Articles | Volume 19, issue 2
https://doi.org/10.5194/acp-19-731-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-731-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Jan 2019
Research article |
| 21 Jan 2019
| 21 Jan 2019
Magnetic signatures of natural and anthropogenic sources of urban dust aerosol
Haijiao Liu
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment,
Chinese Academy of Sciences, Xi'an, 710061, China
College of Earth Science, University of Chinese Academy of Sciences, Beijing, 100049, China
Yan Yan
Key Laboratory of Ocean and Marginal Sea Geology, Guangzhou Institute of Geochemistry,
Chinese Academy of Sciences, Guangzhou, 510640, China
Hong Chang
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment,
Chinese Academy of Sciences, Xi'an, 710061, China
CAS Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi'an, 710061, China
Hongyun Chen
Research Center for Loess and Global Changes, Institute of Hydrogeology and
Environmental Geology, Chinese Academy of Geological Sciences, Shijiazhuang, 050803, China
Lianji Liang
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, 100124, China
Xingxing Liu
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment,
Chinese Academy of Sciences, Xi'an, 710061, China
CAS Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi'an, 710061, China
Xiaoke Qiang
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment,
Chinese Academy of Sciences, Xi'an, 710061, China
CAS Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi'an, 710061, China
Youbin Sun
CORRESPONDING AUTHOR
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment,
Chinese Academy of Sciences, Xi'an, 710061, China
CAS Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi'an, 710061, China
Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an, 710049, China
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Hu Yang, Xiaoxu Shi, Xulong Wang, Qingsong Liu, Yi Zhong, Xiaodong Liu, Youbin Sun, Yanjun Cai, Fei Liu, Gerrit Lohmann, Martin Werner, Zhimin Jian, Tainã M. L. Pinho, Hai Cheng, Lijuan Lu, Jiping Liu, Chao-Yuan Yang, Qinghua Yang, Yongyun Hu, Xing Cheng, Jingyu Zhang, and Dake Chen
EGUsphere, https://doi.org/10.5194/egusphere-2024-2778, https://doi.org/10.5194/egusphere-2024-2778, 2024
This preprint is open for discussion and under review for Climate of the Past (CP).
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The precession driven low-latitude hydrological cycle is not paced by hemispheric summer insolation, but shifting perihelion.
Jingjing Guo, Martin Ziegler, Louise Fuchs, Youbin Sun, and Francien Peterse
EGUsphere, https://doi.org/10.5194/egusphere-2024-1648, https://doi.org/10.5194/egusphere-2024-1648, 2024
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In this study, we use the distribution of soil bacterial membrane lipids stored on the Chinese Loess Plateau (CLP) to quantitatively reconstruct variations in precipitation amount over the past 130 kyr. The precipitation record shows orbital- and millennial-scale variations and varies at precession and obliquity scale. The application of this precipitation proxy across the CLP indicates a more pronounced spatial gradient during glacials, when the western CLP experiences more arid conditions.
Fei Guo, Steven Clemens, Yuming Liu, Ting Wang, Huimin Fan, Xingxing Liu, and Youbin Sun
Clim. Past, 18, 1675–1684, https://doi.org/10.5194/cp-18-1675-2022, https://doi.org/10.5194/cp-18-1675-2022, 2022
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Our high-resolution loess Ca/Ti record displays millennial monsoon oscillations that persist over the last 650 kyr. Wavelet results indicate the ice volume and GHG co-modulation at the 100 kyr band and GHG and local insolation forcing at the precession band for the magnitude of millennial monsoon variability of loess Ca/Ti. The inferred mechanism calls on dynamic linkages to variability in AMOC. At the precession band, combined effects of GHG and insolation lead to increased extreme rainfall.
Xiaoxu Shi, Martin Werner, Carolin Krug, Chris M. Brierley, Anni Zhao, Endurance Igbinosa, Pascale Braconnot, Esther Brady, Jian Cao, Roberta D'Agostino, Johann Jungclaus, Xingxing Liu, Bette Otto-Bliesner, Dmitry Sidorenko, Robert Tomas, Evgeny M. Volodin, Hu Yang, Qiong Zhang, Weipeng Zheng, and Gerrit Lohmann
Clim. Past, 18, 1047–1070, https://doi.org/10.5194/cp-18-1047-2022, https://doi.org/10.5194/cp-18-1047-2022, 2022
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Since the orbital parameters of the past are different from today, applying the modern calendar to the past climate can lead to an artificial bias in seasonal cycles. With the use of multiple model outputs, we found that such a bias is non-ignorable and should be corrected to ensure an accurate comparison between modeled results and observational records, as well as between simulated past and modern climates, especially for the Last Interglacial.
Zhisheng An, Peizhen Zhang, Hendrik Vogel, Yougui Song, John Dodson, Thomas Wiersberg, Xijie Feng, Huayu Lu, Li Ai, and Youbin Sun
Sci. Dril., 28, 63–73, https://doi.org/10.5194/sd-28-63-2020, https://doi.org/10.5194/sd-28-63-2020, 2020
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Earth has experienced remarkable climate–environmental changes in the last 65 million years. The Weihe Basin with its 6000–8000 m infill of a continuous sedimentary sequence gives a unique continental archive for the study of the Cenozoic environment and exploration of deep biospheres. This workshop report concludes key objectives of the two-phase Weihe Basin Drilling Project and the global significance of reconstructing Cenozoic climate evolution and tectonic–monsoon interaction in East Asia.
Xingxing Liu, Youbin Sun, Jef Vandenberghe, Peng Cheng, Xu Zhang, Evan J. Gowan, Gerrit Lohmann, and Zhisheng An
Clim. Past, 16, 315–324, https://doi.org/10.5194/cp-16-315-2020, https://doi.org/10.5194/cp-16-315-2020, 2020
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The East Asian summer monsoon and winter monsoon are anticorrelated on a centennial timescale during 16–1 ka. The centennial monsoon variability is connected to changes of both solar activity and North Atlantic cooling events during the Early Holocene. Then, North Atlantic cooling became the major forcing of events during the Late Holocene. This work presents the great challenge and potential to understand the response of the monsoon system to global climate changes in the past and the future.
Yue Li, Yougui Song, Kathryn E. Fitzsimmons, Hong Chang, Rustam Orozbaev, and Xinxin Li
Clim. Past, 14, 271–286, https://doi.org/10.5194/cp-14-271-2018, https://doi.org/10.5194/cp-14-271-2018, 2018
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This paper finds a close tie between loess magnetic susceptibility and wind strength in the Ili Basin, eastern Central Asia, and identifies three distinct aerodynamic environments with end-member modeling analysis of grain size. The Siberian High is the dominant influence on wind dynamics, resulting in loess deposition, and acts as a teleconnection between the climatic systems of the North Atlantic and East Asia in the high northern latitudes, but not for the mid-latitude westerlies.
Y. Li, N. Su, L. Liang, L. Ma, Y. Yan, and Y. Sun
Clim. Past, 11, 1067–1075, https://doi.org/10.5194/cp-11-1067-2015, https://doi.org/10.5194/cp-11-1067-2015, 2015
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Multiscale signals were decomposed from Chinese loess and speleothem records over the last 260 kyr. We found great glacial and orbital impacts on the loess grain size changes and dominant precession forcing in the speleothem δ18O variability. The millennial components are evident in the loess and speleothem proxies with variances of 13 and 17%. Close matches of millennial monsoon events between these two proxies indicate similar driving force linked to high-latitude Northern Hemisphere climate.
Related subject area
Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Long-range transport of air pollutants increases the concentration of hazardous components of PM2.5 in northern South America
Dominant influence of biomass combustion and cross-border transport on nitrogen-containing organic compound levels in the southeastern Tibetan Plateau
Impacts of elevated anthropogenic emissions on physicochemical characteristics of black-carbon-containing particles over the Tibetan Plateau
Online characterization of primary and secondary emissions of particulate matter and acidic molecules from a modern fleet of city buses
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The water-insoluble organic carbon in PM2.5 of typical Chinese urban areas: light-absorbing properties, potential sources, radiative forcing effects, and a possible light-absorbing continuum
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In situ measurement of organic aerosol molecular markers in urban Hong Kong during a summer period: temporal variations and source apportionment
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Different formation pathways of nitrogen-containing organic compounds in aerosols and fog water in northern China
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Matthew Boyer, Diego Aliaga, Lauriane L. J. Quéléver, Silvia Bucci, Hélène Angot, Lubna Dada, Benjamin Heutte, Lisa Beck, Marina Duetsch, Andreas Stohl, Ivo Beck, Tiia Laurila, Nina Sarnela, Roseline C. Thakur, Branka Miljevic, Markku Kulmala, Tuukka Petäjä, Mikko Sipilä, Julia Schmale, and Tuija Jokinen
Atmos. Chem. Phys., 24, 12595–12621, https://doi.org/10.5194/acp-24-12595-2024, https://doi.org/10.5194/acp-24-12595-2024, 2024
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We analyze the seasonal cycle and sources of gases that are relevant for the formation of aerosol particles in the central Arctic. Since theses gases can form new particles, they can influence Arctic climate. We show that the sources of these gases are associated with changes in the Arctic environment during the year, especially with respect to sea ice. Therefore, the concentration of these gases will likely change in the future as the Arctic continues to warm.
Imad El Haddad, Danielle Vienneau, Kaspar R. Daellenbach, Robin Modini, Jay G. Slowik, Abhishek Upadhyay, Petros N. Vasilakos, David Bell, Kees de Hoogh, and Andre S. H. Prevot
Atmos. Chem. Phys., 24, 11981–12011, https://doi.org/10.5194/acp-24-11981-2024, https://doi.org/10.5194/acp-24-11981-2024, 2024
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This opinion paper explores how advances in aerosol science inform our understanding of the health impacts of outdoor particulate pollution. We advocate for a shift in the way we target PM pollution, focusing on the most harmful anthropogenic emissions. We highlight key observations, modelling developments, and emission measurements needed to achieve this shift.
Pramod Kumar, Khushboo Sharma, Ankita Malu, Rajeev Rajak, Aparna Gupta, Bidyutjyoti Baruah, Shailesh Yadav, Thupstan Angchuk, Jayant Sharma, Rakesh Kumar Ranjan, Anil Kumar Misra, and Nishchal Wanjari
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This work monitors and assesses air pollution, especially black and brown carbon, its controlling factor, and its effect on the environment of Sikkim Himalayan region. The huge urban sprawl in recent decades has led to regional human-induced air pollution in the region. Black carbon was highest in April 2021 and March 2022, exceeding the WHO limit. The monsoon season causes huge rainfall over the region, which reduces the pollutants by scavenging (rainout and washout).
Maria P. Velásquez-García, K. Santiago Hernández, James A. Vergara-Correa, Richard J. Pope, Miriam Gómez-Marín, and Angela M. Rendón
Atmos. Chem. Phys., 24, 11497–11520, https://doi.org/10.5194/acp-24-11497-2024, https://doi.org/10.5194/acp-24-11497-2024, 2024
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In the Aburrá Valley, northern South America, local emissions determine air quality conditions. However, we found that external sources, such as regional fires, Saharan dust, and volcanic emissions, increase particulate concentrations and worsen chemical composition by introducing elements like heavy metals. Dry winds and source variability contribute to seasonal influences on these events. This study assesses the air quality risks posed by such events, which can affect broad regions worldwide.
Meng Wang, Qiyuan Wang, Steven Sai Hang Ho, Jie Tian, Yong Zhang, Shun-cheng Lee, and Junji Cao
Atmos. Chem. Phys., 24, 11175–11189, https://doi.org/10.5194/acp-24-11175-2024, https://doi.org/10.5194/acp-24-11175-2024, 2024
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We studied nitrogen-containing organic compounds (NOCs) in particulate matter <2.5 µm particles on the southeastern Tibetan Plateau. We found that biomass burning and transboundary transport are the main sources of NOCs in the high-altitude area. Understanding these aerosol sources informs how they add to regional and potentially global climate changes. Our findings could help shape effective environmental policies to enhance air quality and address climate impacts in this sensitive region.
Jinbo Wang, Jiaping Wang, Yuxuan Zhang, Tengyu Liu, Xuguang Chi, Xin Huang, Dafeng Ge, Shiyi Lai, Caijun Zhu, Lei Wang, Qiaozhi Zha, Ximeng Qi, Wei Nie, Congbin Fu, and Aijun Ding
Atmos. Chem. Phys., 24, 11063–11080, https://doi.org/10.5194/acp-24-11063-2024, https://doi.org/10.5194/acp-24-11063-2024, 2024
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In this study, we found large spatial discrepancies in the physical and chemical properties of black carbon over the Tibetan Plateau (TP). Elevated anthropogenic emissions from low-altitude regions can significantly change the mass concentration, mixing state and chemical composition of black-carbon-containing aerosol in the TP region, further altering its light absorption ability. Our study emphasizes the vulnerability of remote plateau regions to intense anthropogenic influences.
Liyuan Zhou, Qianyun Liu, Christian M. Salvador, Michael Le Breton, Mattias Hallquist, Jian Zhen Yu, Chak K. Chan, and Åsa M. Hallquist
Atmos. Chem. Phys., 24, 11045–11061, https://doi.org/10.5194/acp-24-11045-2024, https://doi.org/10.5194/acp-24-11045-2024, 2024
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Our research on city bus emissions reveals that alternative fuels (compressed natural gas and biofuels) reduce fresh particle emissions compared to diesel. However, all fuels lead to secondary air pollution. Aiming at guiding better environmental policies, we studied 76 buses using advanced emission measurement techniques. This work sheds light on the complex effects of bus fuels on urban air quality, emphasizing the need for comprehensive evaluations of future transportation technologies.
Xu Yang, Fobang Liu, Shuqi Yang, Yuling Yang, Yanan Wang, Jingjing Li, Mingyu Zhao, Zhao Wang, Kai Wang, Chi He, and Haijie Tong
Atmos. Chem. Phys., 24, 11029–11043, https://doi.org/10.5194/acp-24-11029-2024, https://doi.org/10.5194/acp-24-11029-2024, 2024
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A study in the rural North China Plain showed environmentally persistent free radicals (EPFRs) in atmospheric particulate matter (PM), with a notable water-soluble fraction likely from atmospheric oxidation during transport. Significant positive correlations between EPFRs and the water-soluble oxidative potential of PM2.5 were found, primarily attributable to the water-soluble fractions of EPFRs. These findings emphasize understanding EPFRs' atmospheric evolution for climate and health impacts.
Kirsten N. Fossum, Chunshui Lin, Niall O'Sullivan, Lu Lei, Stig Hellebust, Darius Ceburnis, Aqeel Afzal, Anja Tremper, David Green, Srishti Jain, Steigvilė Byčenkienė, Colin O'Dowd, John Wenger, and Jurgita Ovadnevaite
Atmos. Chem. Phys., 24, 10815–10831, https://doi.org/10.5194/acp-24-10815-2024, https://doi.org/10.5194/acp-24-10815-2024, 2024
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The chemical composition and sources of submicron aerosol in the Dublin Port area were investigated over a month-long campaign. Two distinct types of ship emissions were identified and characterised: sulfate-rich plumes from the use of heavy fuel oil with scrubbers and organic-rich plumes from the use of low-sulfur fuels. The latter were more frequent, emitting double the particle number and having a typical V / Ni ratio for ship emission.
Xiao He, Xuan Zheng, Shuwen Guo, Lewei Zeng, Ting Chen, Bohan Yang, Shupei Xiao, Qiongqiong Wang, Zhiyuan Li, Yan You, Shaojun Zhang, and Ye Wu
Atmos. Chem. Phys., 24, 10655–10666, https://doi.org/10.5194/acp-24-10655-2024, https://doi.org/10.5194/acp-24-10655-2024, 2024
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Yu Xu, Tang Liu, Yi-Jia Ma, Qi-Bin Sun, Hong-Wei Xiao, Hao Xiao, Hua-Yun Xiao, and Cong-Qiang Liu
Atmos. Chem. Phys., 24, 10531–10542, https://doi.org/10.5194/acp-24-10531-2024, https://doi.org/10.5194/acp-24-10531-2024, 2024
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This study investigates the characteristics of aminiums and ammonium in PM2.5 on clean and polluted winter days in 11 Chinese cities, highlighting the possibility of the competitive uptake of ammonia versus amines on acidic aerosols or the displacement of aminiums by ammonia under high-ammonia conditions. The overall results deepen the understanding of the spatiotemporal differences in aminium characteristics and formation in China.
Cassidy Soloff, Taiwo Ajayi, Yonghoon Choi, Ewan C. Crosbie, Joshua P. DiGangi, Glenn S. Diskin, Marta A. Fenn, Richard A. Ferrare, Francesca Gallo, Johnathan W. Hair, Miguel Ricardo A. Hilario, Simon Kirschler, Richard H. Moore, Taylor J. Shingler, Michael A. Shook, Kenneth L. Thornhill, Christiane Voigt, Edward L. Winstead, Luke D. Ziemba, and Armin Sorooshian
Atmos. Chem. Phys., 24, 10385–10408, https://doi.org/10.5194/acp-24-10385-2024, https://doi.org/10.5194/acp-24-10385-2024, 2024
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Using aircraft measurements over the northwestern Atlantic between the US East Coast and Bermuda and trajectory modeling of continental outflow, we identify trace gas and particle properties that exhibit gradients with offshore distance and quantify these changes with high-resolution measurements of concentrations and particle chemistry, size, and scattering properties. This work furthers our understanding of the complex interactions between continental and marine environments.
Alex Rowell, James Brean, David C. S. Beddows, Zongbo Shi, Avinash Kumar, Matti Rissanen, Miikka Dal Maso, Peter Mettke, Kay Weinhold, Maik Merkel, and Roy M. Harrison
Atmos. Chem. Phys., 24, 10349–10361, https://doi.org/10.5194/acp-24-10349-2024, https://doi.org/10.5194/acp-24-10349-2024, 2024
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Ions enhance the formation and growth rates of new particles, affecting the Earth's radiation budget. Despite these effects, there is little published data exploring the sources of ions in the urban environment and their role in new particle formation (NPF). Here we show that natural ion sources dominate in urban environments, while traffic is a secondary source. Ions contribute up to 12.7 % of the formation rate of particles, indicating that they are important for forming urban PM.
Yuan Cheng, Xu-bing Cao, Sheng-qiang Zhu, Zhi-qing Zhang, Jiu-meng Liu, Hong-liang Zhang, Qiang Zhang, and Ke-bin He
Atmos. Chem. Phys., 24, 9869–9883, https://doi.org/10.5194/acp-24-9869-2024, https://doi.org/10.5194/acp-24-9869-2024, 2024
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The agreement between observational and modeling results is essential for the development of efficient air pollution control strategies. Here we constrained the modeling results of carbonaceous aerosols by field observation in Northeast China, a historically overlooked but recently targeted region of national clean-air actions. Our study suggested that the simulation of agricultural fire emissions and secondary organic aerosols remains challenging.
Yuan Dai, Junfeng Wang, Houjun Wang, Shijie Cui, Yunjiang Zhang, Haiwei Li, Yun Wu, Ming Wang, Eleonora Aruffo, and Xinlei Ge
Atmos. Chem. Phys., 24, 9733–9748, https://doi.org/10.5194/acp-24-9733-2024, https://doi.org/10.5194/acp-24-9733-2024, 2024
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Short-term strict emission control can improve air quality, but its effectiveness needs assessment. During the 2021 summer COVID-19 lockdown in Yangzhou, we found that PM2.5 levels did not decrease despite reduced primary emissions. Aged black-carbon particles increased substantially due to higher O3 levels and transported pollutants. High humidity and low wind also played key roles. The results highlight the importance of a regionally balanced control strategy for future air quality management.
Xinya Liu, Diego Alves Gouveia, Bas Henzing, Arnoud Apituley, Arjan Hensen, Danielle van Dinther, Rujin Huang, and Ulrike Dusek
Atmos. Chem. Phys., 24, 9597–9614, https://doi.org/10.5194/acp-24-9597-2024, https://doi.org/10.5194/acp-24-9597-2024, 2024
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The vertical distribution of aerosol optical properties is important for their effect on climate. This is usually measured by lidar, which has limitations, most notably the assumption of a lidar ratio. Our study shows that routine surface-level aerosol measurements are able to predict this lidar ratio reasonably well within the lower layers of the atmosphere and thus provide a relatively simple and cost-effective method to improve lidar measurements.
Weiqi Xu, Ye Kuang, Wanyun Xu, Zhiqiang Zhang, Biao Luo, Xiaoyi Zhang, Jiangchuang Tao, Hongqin Qiao, Li Liu, and Yele Sun
Atmos. Chem. Phys., 24, 9387–9399, https://doi.org/10.5194/acp-24-9387-2024, https://doi.org/10.5194/acp-24-9387-2024, 2024
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We deployed an advanced aerosol–fog sampling system at a rural site in the North China Plain to investigate impacts of aerosol hygroscopic growth and activation on the physicochemical properties of submicron aerosols. Observed results highlighted remarkably different aqueous processing of primary and secondary submicron aerosol components under distinct ambient relative humidity (RH) conditions and that RH levels significantly impact aerosol sampling through the aerosol swelling effect.
Can Wu, Xiaodi Liu, Ke Zhang, Si Zhang, Cong Cao, Jianjun Li, Rui Li, Fan Zhang, and Gehui Wang
Atmos. Chem. Phys., 24, 9263–9275, https://doi.org/10.5194/acp-24-9263-2024, https://doi.org/10.5194/acp-24-9263-2024, 2024
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Brown carbon (BrC) is prevalent in the troposphere and can efficiently absorb solar and terrestrial radiation. Our observations show that the enhanced light absorption of BrC relative to black carbon at the tropopause can be attributed to the formation of nitrogen-containing organic compounds through the aqueous-phase reactions of carbonyls with ammonium.
Taiwo Ajayi, Yonghoon Choi, Ewan C. Crosbie, Joshua P. DiGangi, Glenn S. Diskin, Marta A. Fenn, Richard A. Ferrare, Johnathan W. Hair, Miguel Ricardo A. Hilario, Chris A. Hostetler, Simon Kirschler, Richard H. Moore, Taylor J. Shingler, Michael A. Shook, Cassidy Soloff, Kenneth L. Thornhill, Christiane Voigt, Edward L. Winstead, Luke D. Ziemba, and Armin Sorooshian
Atmos. Chem. Phys., 24, 9197–9218, https://doi.org/10.5194/acp-24-9197-2024, https://doi.org/10.5194/acp-24-9197-2024, 2024
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This study uses airborne data to examine vertical profiles of trace gases, aerosol particles, and meteorological variables over a remote marine area (Bermuda). Results show distinct differences based on both air mass source region (North America, Ocean, Caribbean/North Africa) and altitude for a given air mass type. This work highlights the sensitivity of remote marine areas to long-range transport and the importance of considering the vertical dependence of trace gas and aerosol properties.
Kira Zeider, Grace Betito, Anthony Bucholtz, Peng Xian, Annette Walker, and Armin Sorooshian
Atmos. Chem. Phys., 24, 9059–9083, https://doi.org/10.5194/acp-24-9059-2024, https://doi.org/10.5194/acp-24-9059-2024, 2024
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The predominant wind direction along the California coast (northerly) reverses several times during the summer (to southerly). The effects of these wind reversals on aerosol and cloud characteristics are not well understood. Using data from multiple datasets we found that southerly flow periods had enhanced signatures of anthropogenic emissions due to shipping and continental sources, and clouds had more but smaller droplets.
Saleh Alzahrani, Doğuşhan Kılıç, Michael Flynn, Paul I. Williams, and James Allan
Atmos. Chem. Phys., 24, 9045–9058, https://doi.org/10.5194/acp-24-9045-2024, https://doi.org/10.5194/acp-24-9045-2024, 2024
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This paper investigates emissions from aviation activities at an international airport to evaluate their impact on local air quality. The study provides detailed insights into the chemical composition of aerosols and key pollutants in the airport environment. Source apportionment analysis using positive matrix factorisation (PMF) identified three significant sources: less oxidised oxygenated organic aerosol, alkane organic aerosol, and more oxidised oxygenated organic aerosol.
Mingjie Kang, Mengying Bao, Wenhuai Song, Aduburexiati Abulimiti, Fang Cao, Sönke Szidat, and Yanlin Zhang
EGUsphere, https://doi.org/10.5194/egusphere-2024-2098, https://doi.org/10.5194/egusphere-2024-2098, 2024
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Reports on the molecular level knowledge of high temporal resolution PM2.5 components on hazy days are still limited. This study investigated many individual PM2.5 species and sources. The results show biomass burning (BB) was the main source of organic carbon. Moreover, BB enhanced fungal spore emissions and secondary aerosol formation. The contribution of non-fossils increased with increasing haze pollution. These findings suggest BB may be an important driver of haze events in winter.
Mikko Heikkilä, Krista Luoma, Timo Mäkelä, and Tiia Grönholm
Atmos. Chem. Phys., 24, 8927–8941, https://doi.org/10.5194/acp-24-8927-2024, https://doi.org/10.5194/acp-24-8927-2024, 2024
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Black carbon (BC) concentration was measured from 211 ship exhaust gas plumes at a remote marine station. Emission factors of BC were calculated in grams per kilogram of fuel. Ships with an exhaust gas cleaning system (EGCS) were found to have median BC emissions per fuel consumed 5 times lower than ships without an EGCS. However, this might be because of non-EGCS ships running at low engine loads rather than the EGCS itself. A local speed restriction would increase BC emissions of ships.
Olga Zografou, Maria Gini, Prodromos Fetfatzis, Konstantinos Granakis, Romanos Foskinis, Manousos Ioannis Manousakas, Fotios Tsopelas, Evangelia Diapouli, Eleni Dovrou, Christina N. Vasilakopoulou, Alexandros Papayannis, Spyros N. Pandis, Athanasios Nenes, and Konstantinos Eleftheriadis
Atmos. Chem. Phys., 24, 8911–8926, https://doi.org/10.5194/acp-24-8911-2024, https://doi.org/10.5194/acp-24-8911-2024, 2024
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Characterization of PM1 and positive matrix factorization (PMF) source apportionment of organic and inorganic fractions were conducted at the high-altitude station (HAC)2. Cloud presence reduced PM1, affecting sulfate more than organics. Free-troposphere (FT) conditions showed more black carbon (eBC) than planetary boundary layer (PBL) conditions.
Yuanyuan Qin, Xinghua Zhang, Wei Huang, Juanjuan Qin, Xiaoyu Hu, Yuxuan Cao, Tianyi Zhao, Yang Zhang, Jihua Tan, Ziyin Zhang, Xinming Wang, and Zhenzhen Wang
Atmos. Chem. Phys., 24, 8737–8750, https://doi.org/10.5194/acp-24-8737-2024, https://doi.org/10.5194/acp-24-8737-2024, 2024
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Environmental persistent free radicals (EPFRs) and reactive oxygen species (ROSs) play an active role in the atmosphere. Despite control measures having effectively reduced their emissions, reductions were less than in PM2.5. Emission control measures performed well in achieving Parade Blue, but reducing the impact of the atmosphere on human health remains challenging. Thus, there is a need to reassess emission control measures to better address the challenges posed by EPFRs and ROSs.
Fenghua Wei, Xing Peng, Liming Cao, Mengxue Tang, Ning Feng, Xiaofeng Huang, and Lingyan He
Atmos. Chem. Phys., 24, 8507–8518, https://doi.org/10.5194/acp-24-8507-2024, https://doi.org/10.5194/acp-24-8507-2024, 2024
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The water solubility of secondary organic aerosols (SOAs) is a crucial factor in determining their hygroscopicity and climatic impact. Stable carbon isotope and mass spectrometry techniques were combined to assess the water solubility of SOAs with different aging degrees in a coastal megacity in China. This work revealed a much higher water-soluble fraction of aged SOA compared to fresh SOA, indicating that the aging degree of SOA has considerable impacts on its water solubility.
Zijun Zhang, Weiqi Xu, Yi Zhang, Wei Zhou, Xiangyu Xu, Aodong Du, Yinzhou Zhang, Hongqin Qiao, Ye Kuang, Xiaole Pan, Zifa Wang, Xueling Cheng, Lanzhong Liu, Qingyan Fu, Douglas R. Worsnop, Jie Li, and Yele Sun
Atmos. Chem. Phys., 24, 8473–8488, https://doi.org/10.5194/acp-24-8473-2024, https://doi.org/10.5194/acp-24-8473-2024, 2024
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We investigated aerosol composition and sources and the interaction between secondary organic aerosol (SOA) and clouds at a regional mountain site in southeastern China. Clouds efficiently scavenge more oxidized SOA; however, cloud evaporation leads to the production of less oxidized SOA. The unexpectedly high presence of nitrate in aerosol particles indicates that nitrate formed in polluted areas has undergone interactions with clouds, significantly influencing the regional background site.
Feifei Li, Shanshan Tang, Jitao Lv, Shiyang Yu, Xu Sun, Dong Cao, Yawei Wang, and Guibin Jiang
Atmos. Chem. Phys., 24, 8397–8411, https://doi.org/10.5194/acp-24-8397-2024, https://doi.org/10.5194/acp-24-8397-2024, 2024
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Targeted derivatization and non-targeted analysis with Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) were used to reveal the molecular composition of carbonyl molecules in PM2.5, and the important role of carbonyls in increasing the oxidative potential of organic aerosol was found in real samples.
Adam E. Thomas, Hayley S. Glicker, Alex B. Guenther, Roger Seco, Oscar Vega Bustillos, Julio Tota, Rodrigo A. F. Souza, and James N. Smith
EGUsphere, https://doi.org/10.5194/egusphere-2024-2230, https://doi.org/10.5194/egusphere-2024-2230, 2024
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We present measurements of the composition of ultrafine particles collected from the eastern Amazon, a relatively understudied region that is subjected to increasing human influence. We find that while isoprene chemistry is likely significant to ultrafine particle growth throughout the year, compounds related to other sources such as biological spore emissions and biomass burning exhibit striking seasonal differences, implying an extensive variation in regional ultrafine particle sources.
Maya Abou-Ghanem, Daniel M. Murphy, Gregory P. Schill, Michael J. Lawler, and Karl D. Froyd
Atmos. Chem. Phys., 24, 8263–8275, https://doi.org/10.5194/acp-24-8263-2024, https://doi.org/10.5194/acp-24-8263-2024, 2024
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Using particle analysis by laser mass spectrometry, we examine vanadium-containing ship exhaust particles measured on NASA's DC-8 during the Atmospheric Tomography Mission (ATom). Our results reveal ship exhaust particles are sufficiently widespread in the marine atmosphere and experience atmospheric aging. Finally, we use laboratory calibrations to determine the vanadium, sulfate, and organic single-particle mass fractions of vanadium-containing ship exhaust particles.
Cassandra J. Gaston, Joseph M. Prospero, Kristen Foley, Havala O. T. Pye, Lillian Custals, Edmund Blades, Peter Sealy, and James A. Christie
Atmos. Chem. Phys., 24, 8049–8066, https://doi.org/10.5194/acp-24-8049-2024, https://doi.org/10.5194/acp-24-8049-2024, 2024
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To understand how changing emissions have impacted aerosols in remote regions, we measured nitrate and sulfate in Barbados and compared them to model predictions from EPA’s Air QUAlity TimE Series (EQUATES). Nitrate was stable, except for spikes in 2008 and 2010 due to transported smoke. Sulfate decreased in the 1990s due to reductions in sulfur dioxide (SO2) in the US and Europe; then it increased in the 2000s, likely due to anthropogenic emissions from Africa.
Jie Zhang, Tianyu Zhu, Alexandra Catena, Yaowei Li, Margaret Schwab, Pengfei Liu, Akua Asa-Awuku, and James Schwab
EGUsphere, https://doi.org/10.5194/egusphere-2024-1390, https://doi.org/10.5194/egusphere-2024-1390, 2024
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This study shows the derived organic aerosol hygroscopicity under high humidity conditions based on a simple optical scatter monitor system, including two nephelometric monitors (pDR-1500), after knowing the aerosol chemical composition.
Jiao Xue, Tian Zhang, Keyhong Park, Jinpei Yan, Young Jun Yoon, Jiyeon Park, and Bingbing Wang
Atmos. Chem. Phys., 24, 7731–7754, https://doi.org/10.5194/acp-24-7731-2024, https://doi.org/10.5194/acp-24-7731-2024, 2024
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Ice formation by particles is an important way of making mixed-phase and ice clouds. We found that particles collected in the marine atmosphere exhibit diverse ice nucleation abilities and mixing states. Sea salt mixed-sulfate particles were enriched in ice-nucleating particles. Selective aging on sea salt particles made particle populations more externally mixed. Characterizations of particles and their mixing state are needed for a better understanding of aerosol–cloud interactions.
Yangzhi Mo, Jun Li, Guangcai Zhong, Sanyuan Zhu, Shizhen Zhao, Jiao Tang, Hongxing Jiang, Zhineng Cheng, Chongguo Tian, Yingjun Chen, and Gan Zhang
Atmos. Chem. Phys., 24, 7755–7772, https://doi.org/10.5194/acp-24-7755-2024, https://doi.org/10.5194/acp-24-7755-2024, 2024
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In this study, we found that biomass burning (31.0 %) and coal combustion (31.1 %) were the dominant sources of water-insoluble organic carbon in China, with coal combustion sources exhibiting the strongest light-absorbing capacity. Additionally, we propose a light-absorbing carbonaceous continuum, revealing that components enriched with fossil sources tend to have stronger light-absorbing capacity, higher aromaticity, higher molecular weights, and greater recalcitrance in the atmosphere.
Jing Duan, Ru-Jin Huang, Ying Wang, Wei Xu, Haobin Zhong, Chunshui Lin, Wei Huang, Yifang Gu, Jurgita Ovadnevaite, Darius Ceburnis, and Colin O'Dowd
Atmos. Chem. Phys., 24, 7687–7698, https://doi.org/10.5194/acp-24-7687-2024, https://doi.org/10.5194/acp-24-7687-2024, 2024
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The chemical composition of atmospheric particles has shown significant changes in recent years. We investigated the potential effects of changes in inorganics on aerosol water uptake and, thus, secondary organic aerosol formation in wintertime haze based on the size-resolved measurements of non-refractory fine particulate matter (NR-PM2.5) in Xi’an, northwestern China. We highlight the key role of aerosol water as a medium to link inorganics and organics in their multiphase processes.
Hongyong Li, Xiaopu Lyu, Likun Xue, Yunxi Huo, Dawen Yao, Haoxian Lu, and Hai Guo
Atmos. Chem. Phys., 24, 7085–7100, https://doi.org/10.5194/acp-24-7085-2024, https://doi.org/10.5194/acp-24-7085-2024, 2024
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Organic aerosol is ubiquitous in the atmosphere and largely explains the gap between current levels of fine particulate matter in many cities and the World Health Organization guideline values. This study highlights the dominant contributions of cooking emissions to organic aerosol when marine air prevailed in Hong Kong, which were occasionally overwhelmed by aromatics-derived secondary organic aerosol in continental ouflows.
Shao Shi, Jinghao Zhai, Xin Yang, Yechun Ruan, Yuanlong Huang, Xujian Chen, Antai Zhang, Jianhuai Ye, Guomao Zheng, Baohua Cai, Yaling Zeng, Yixiang Wang, Chunbo Xing, Yujie Zhang, Tzung-May Fu, Lei Zhu, Huizhong Shen, and Chen Wang
Atmos. Chem. Phys., 24, 7001–7012, https://doi.org/10.5194/acp-24-7001-2024, https://doi.org/10.5194/acp-24-7001-2024, 2024
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The determination of ions in the mass spectra of individual particles remains uncertain. We have developed a standard-free mass calibration algorithm applicable to more than 98 % of ambient particles. With our algorithm, ions with ~ 0.05 Th mass difference could be determined. Therefore, many more atmospheric species could be determined and involved in the source apportionment of aerosols, the study of chemical reaction mechanisms, and the analysis of single-particle mixing states.
Wei Sun, Xiaodong Hu, Yuzhen Fu, Guohua Zhang, Yujiao Zhu, Xinfeng Wang, Caiqing Yan, Likun Xue, He Meng, Bin Jiang, Yuhong Liao, Xinming Wang, Ping'an Peng, and Xinhui Bi
Atmos. Chem. Phys., 24, 6987–6999, https://doi.org/10.5194/acp-24-6987-2024, https://doi.org/10.5194/acp-24-6987-2024, 2024
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The formation pathways of nitrogen-containing compounds (NOCs) in the atmosphere remain unclear. We investigated the composition of aerosols and fog water by state-of-the-art mass spectrometry and compared the formation pathways of NOCs. We found that NOCs in aerosols were mainly formed through nitration reaction, while ammonia addition played a more important role in fog water. The results deepen our understanding of the processes of organic particulate pollution.
Fuzhen Shen, Michaela I. Hegglin, and Yue Yuan
Atmos. Chem. Phys., 24, 6539–6553, https://doi.org/10.5194/acp-24-6539-2024, https://doi.org/10.5194/acp-24-6539-2024, 2024
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We attempt to use a novel structural self-organising map and machine learning models to identify a weather system and quantify the importance of each meteorological factor in driving the unexpected PM2.5 and O3 changes under the specific weather system during the COVID-19 lockdown in China. The result highlights that temperature under the double-centre high-pressure system plays the most crucial role in abnormal events.
Wenshuai Li, Yuxuan Qi, Yingchen Liu, Guanru Wu, Yanjing Zhang, Jinhui Shi, Wenjun Qu, Lifang Sheng, Wencai Wang, Daizhou Zhang, and Yang Zhou
Atmos. Chem. Phys., 24, 6495–6508, https://doi.org/10.5194/acp-24-6495-2024, https://doi.org/10.5194/acp-24-6495-2024, 2024
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Aerosol particles from mainland can transport to oceans and deposit, providing soluble Fe and affecting phytoplankton growth. Thus, we studied the dissolution process of aerosol Fe and found that photochemistry played a key role in promoting Fe dissolution in clean conditions. RH-dependent reactions were more influential in slightly polluted conditions. These results highlight the distinct roles of two weather-related parameters (radiation and RH) in influencing geochemical cycles related to Fe.
Yanqin Ren, Zhenhai Wu, Yuanyuan Ji, Fang Bi, Junling Li, Haijie Zhang, Hao Zhang, Hong Li, and Gehui Wang
Atmos. Chem. Phys., 24, 6525–6538, https://doi.org/10.5194/acp-24-6525-2024, https://doi.org/10.5194/acp-24-6525-2024, 2024
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Nitrated aromatic compounds (NACs) and oxygenated derivatives of polycyclic aromatic hydrocarbons (OPAHs) in PM2.5 were examined from an urban area in Beijing during the autumn and winter. The OPAH and NAC concentrations were much higher during heating than before heating. They majorly originated from the combustion of biomass and automobile emissions, and the secondary generation was the major contributor throughout the whole sampling period.
Rime El Asmar, Zongrun Li, David J. Tanner, Yongtao Hu, Susan O’Neill, L. Gregory Huey, M. Talat Odman, and Rodney J. Weber
EGUsphere, https://doi.org/10.5194/egusphere-2024-1485, https://doi.org/10.5194/egusphere-2024-1485, 2024
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Prescribed burning is an important method for managing ecosystems and preventing wildfires, however, smoke from prescribed fires can have a significant impact on air quality. Here, using a network of fixed sites and sampling throughout an extended prescribed burning period in two different years, we characterize the emissions and evolution up to 8 hours of PM2.5 mass, BC, and BrC in smoke from burning of forested lands in the southeastern US.
Gregory P. Schill, Karl D. Froyd, Daniel M. Murphy, Christina J. Williamson, Charles Brock, Tomás Sherwen, Mat J. Evans, Eric A. Ray, Eric C. Apel, Rebecca S. Hornbrook, Alan J. Hills, Jeff Peischl, Tomas B. Ryerson, Chelsea R. Thompson, Ilann Bourgeois, Donald R. Blake, Joshua P. DiGangi, and Glenn S. Diskin
EGUsphere, https://doi.org/10.5194/egusphere-2024-1399, https://doi.org/10.5194/egusphere-2024-1399, 2024
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Using single-particle mass spectrometry, we show that trace concentrations of bromine and iodine are ubiquitous in remote tropospheric aerosol, and suggest that aerosols are an important part of the global reactive iodine budget. Comparisons to a global climate model with detailed iodine chemistry are favorable in the background atmosphere; however, the model cannot replicate our measurements near the ocean surface, in biomass burning plumes, and in the stratosphere.
Marco Paglione, David C. S. Beddows, Anna Jones, Thomas Lachlan-Cope, Matteo Rinaldi, Stefano Decesari, Francesco Manarini, Mara Russo, Karam Mansour, Roy M. Harrison, Andrea Mazzanti, Emilio Tagliavini, and Manuel Dall'Osto
Atmos. Chem. Phys., 24, 6305–6322, https://doi.org/10.5194/acp-24-6305-2024, https://doi.org/10.5194/acp-24-6305-2024, 2024
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Applying factor analysis techniques to H-NMR spectra, we present the organic aerosol (OA) source apportionment of PM1 samples collected in parallel at two Antarctic stations, namely Signy and Halley, allowing investigation of aerosol–climate interactions in an unperturbed atmosphere. Our results show remarkable differences between pelagic (open-ocean) and sympagic (sea-ice-influenced) air masses and indicate that various sources and processes are controlling Antarctic aerosols.
Zhichao Dong, Chandra Mouli Pavuluri, Peisen Li, Zhanjie Xu, Junjun Deng, Xueyan Zhao, Xiaomai Zhao, Pingqing Fu, and Cong-Qiang Liu
Atmos. Chem. Phys., 24, 5887–5905, https://doi.org/10.5194/acp-24-5887-2024, https://doi.org/10.5194/acp-24-5887-2024, 2024
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Comprehensive study of optical properties of brown carbon (BrC) in fine aerosols from Tianjin, China, implied that biological emissions are major sources of BrC in summer, whereas fossil fuel combustion and biomass burning emissions are in cold periods. The direct radiation absorption caused by BrC in short wavelengths contributed about 40 % to that caused by BrC in 300–700 nm. Water-insoluble but methanol-soluble BrC contains more protein-like chromophores (PLOM) than that of water-soluble BrC.
Kumiko Goto-Azuma, Yoshimi Ogawa-Tsukagawa, Kaori Fukuda, Koji Fujita, Motohiro Hirabayashi, Remi Dallmayr, Jun Ogata, Nobuhiro Moteki, Tatsuhiro Mori, Sho Ohata, Yutaka Kondo, Makoto Koike, Sumito Matoba, and Teruo Aoki
EGUsphere, https://doi.org/10.5194/egusphere-2024-1498, https://doi.org/10.5194/egusphere-2024-1498, 2024
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Monthly records spanning 350 years from a Greenland ice core reveal trends in black carbon (BC) concentrations and sizes. BC concentrations have risen since the late 19th century due to the inflow of anthropogenic BC, with these particles being larger than those from biomass burning (BB). High BB BC concentration peaks in summer originating from BB could reduce albedo. However, BB BC showed no upward trend until the early 2000s. Our findings are crucial for validating aerosol and climate models.
Shan Wang, Kezheng Liao, Zijing Zhang, Yuk Ying Cheng, Qiongqiong Wang, Hanzhe Chen, and Jian Zhen Yu
Atmos. Chem. Phys., 24, 5803–5821, https://doi.org/10.5194/acp-24-5803-2024, https://doi.org/10.5194/acp-24-5803-2024, 2024
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In this work, hourly primary and secondary organic carbon were estimated by a novel Bayesian inference approach in suburban Hong Kong. Their multi-temporal-scale variations and evolution characteristics during PM2.5 episodes were examined. The methodology could serve as a guide for other locations with similar monitoring capabilities. The observation-based results are helpful for understanding the evolving nature of secondary organic aerosols and refining the accuracy of model simulations.
Andreas Aktypis, Dontavious Sippial, Christina Vasilakopoulou, Angeliki Matrali, Christos Kaltsonoudis, Andrea Simonati, Marco Paglione, Matteo Rinaldi, Stefano Decesari, and Spyros Pandis
EGUsphere, https://doi.org/10.5194/egusphere-2024-1317, https://doi.org/10.5194/egusphere-2024-1317, 2024
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A dual chamber system was deployed in two different environments (Po Valley, Italy and Pertouli forest, Greece) to study the potential of ambient air directly injected into the chambers, to form secondary aerosol. In the Po Valley, the system reacts rapidly forming large amounts of SOA, while in Pertouli the corresponding SOA formation chemistry appears to have been practically terminated before the beginning of most experiments, so there is little additional SOA formation potential left.
Mingfu Cai, Chenshuo Ye, Bin Yuan, Shan Huang, E Zheng, Suxia Yang, Zelong Wang, Yi Lin, Tiange Li, Weiwei Hu, Wei Chen, Qicong Song, Wei Li, Yuwen Peng, Baolin Liang, Qibin Sun, Jun Zhao, Duohong Chen, Jiaren Sun, Zhiyong Yang, and Min Shao
EGUsphere, https://doi.org/10.5194/egusphere-2024-887, https://doi.org/10.5194/egusphere-2024-887, 2024
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This study investigated the daytime secondary organic aerosol (SOA) formation in urban plumes. We observed a significant daytime SOA formation through gas-particle partitioning when the site was affected by urban plumes. Box model simulation indicated that urban pollutants (nitrogen oxide and volatile organic compounds) could enhance the oxidizing capacity, while the elevated volatile organic compounds were mainly responsible for promoting daytime SOA formation.
James Brean, David C. S. Beddows, Eija Asmi, Ari Virkkula, Lauriane L. J. Quéléver, Mikko Sipilä, Floortje Van Den Heuvel, Thomas Lachlan-Cope, Anna Jones, Markus Frey, Angelo Lupi, Jiyeon Park, Young Jun Yoon, Ralf Weller, Giselle L. Marincovich, Gabriela C. Mulena, Roy M. Harrison, and Manuel Dall´Osto
EGUsphere, https://doi.org/10.5194/egusphere-2024-987, https://doi.org/10.5194/egusphere-2024-987, 2024
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Our results emphasize how understanding the geographical variation in surface types across the Antarctic is key to understanding secondary aerosol sources.
Cited articles
Adachi, K. and Tainosho,Y.: Characterization of heavy metal particles
embedded in tire dust, Environ. Int., 30, 1009–1017,
https://doi.org/10.1016/j.envint.2004.04.004, 2004.
Baddock, M. C., Strong C. L., Murray, P. S., and McTainsh, G. H.: Aeolian
dust as a transport hazard, Atmos. Environ., 71, 7–14,
https://doi.org/10.1016/j.atmosenv.2013.01.042, 2013.
Blaha, U., Sapkota, B., Appel, E., Stanjek, H., and Rösler, W.:
Micro-scale grain-size analysis and magnetic properties of coal-fired power
plant fly ash and its relevance for environmental magnetic pollution
studies, Atmos. Environ., 42, 8389–8370, https://doi.org/10.1016/j.atmosenv.2008.07.051, 2008a.
Blaha, U., Appel, E., and Stanjek, H.: Determination of anthropogenic
boundary depth in industrially polluted soil and semi-quantification of
heavy metal loads using magnetic susceptibility, Environ. Pollut., 156,
278–289, https://doi.org/10.1016/j.envpol.2008.02.013, 2008b.
Blanco, A., Dee Tomasi, F., Filippo, E., Manno, D., Perrone, M. R.,
Serra, A., Tafuro, A. M., and Tepore, A.: Characterization of African
dust over southern Italy, Atmos. Chem. Phys., 3, 2147–2159, https://doi.org/10.5194/acp-3-2147-2003, 2003.
Bourliva, A., Papadopoulou, L., and Aidona, E.: Study of road dust magnetic
phases as the main carrier of potentially harmful trace elements, Sci. Total Environ., 553,
380–391, https://doi.org/10.1016/j.scitotenv.2016.02.149, 2016.
Brunekreef, B. and Holgate, S. T.: Air pollution and health, Lancet., 360,
1233–1242, https://doi.org/10.1016/S0140-6736(02)11274-8, 2002.
Chen, Y. S., Sheen, P. C., Chen, E. R., Liu Y. K., Wu, T. N., and Yang, C.
Y.: Effects of Asian dust storm events on daily mortality in Taipei, Taiwan,
Environ. Res., 95, 151–155, https://doi.org/10.1016/j.envres.2003.08.008,
2004.
China IEECAS (Institute of Earth Environment, Chinese Academy of Sciences,
China): East Asian Paleoenvironmental Science Database, available at:
http://paleo-data.ieecas.cn/ (last access: 10 January 2019), 2009
Chow, J. C., Engerlbrecht, J. P., Freeman, N. C. G., Hashim, J. H.,
Jantunen, M., Michaud, J-P., de Tejada, S. S., Watson, J. G., Wei, F.,
Wilson, W. E., Yasuno, M., and Zhu, T.: Chapter one: exposure measurements,
Chemosphere., 49, 873–901, https://doi.org/10.1016/S0045-6535(02)00233-3,
2002.
Day, R., Fuller, M., and Schmidt, V. A.: Hysteresis properties of
titanomagnetite: Grain-size and compositional dependence, Phys. Earth Planet In., 13, 260–267,
https://doi.org/10.1016/0031-9201(77)90108-X, 1977.
Dearing, J. A.: Environmental Magnetic Susceptibility, Using the Bartington
MS2 system, Chi. Publ., Kenilworth, 1994.
Dearing, J. A., Hay, K. L., Baban, S. M. J., Huddleston, A. S., Wellington,
E. M. H., and Loveland, P. J.: Magnetic susceptibility of soil: an
evaluation of conflicting theories using a national data set, Geophys. J. Int., 127,
728–734, https://doi.org/10.1111/j.1365-246X.1996.tb04051.x,
1996.
de Miguel, E., Llamas, J. F., Chacón, E., Berg, T., Larssen, S.,
Røyset, O., and Vadset, M.: Origin and patterns of distribution of trace
elements in street dust: unleaded petrol and urban lead, Atmos. Environ., 31, 2733–2740,
https://doi.org/10.1016/S1352-2310(97)00101-5, 1997.
Desenfant, F., Petrovský, E., and Rochette, P.: Magnetic Signature of
Industrial Pollution of Stream Sediments and Correlation with Heavy Metals:
Case Study from South France, Water Air Soil Poll., 152, 297–312,
https://doi.org/10.1023/B:WATE.0000015356.88243.f0, 2004.
Diapouli, E., Chaloulakou, A., Mihalopoulos, N., and Spyrellis, N.: Indoor
and outdoor PM mass and number concentrations at schools in the Athens area,
Environ. Monit. Assess., 136, 13–20, https://doi.org/10.1007/s10661-007-9724-0,
2008.
Dodge, Y.: Statistical data analysis based on the L1-Norm and related
methods, Birkhäuser, Neuchatel, 2012.
Dunlop, D. J.: Theory and application of the Day plot (Mrs/Ms versus Hcr/Hc)
1. Theoretical curves and tests using titanomagnetite data, J. Geophys. Res., 107, 2076,
https://doi.org/10.1029/2001JB000486, 2002a.
Dunlop, D. J.: Theory and application of the Day plot (Mrs/Ms versus Hcr/Hc)
2. Application to data for rocks,sediments, and soils, J. Geophys. Res., 107, 2057,
https://doi.org/10.1029/2001JB000487, 2002b.
Dunlop, D. J. and Özdemir, Ö.: Rock magnetism: fundamentals and
Frontiers, Cambridge University Press, UK, 1997.
Elser, M., Huang, R.-J., Wolf, R., Slowik, J. G., Wang, Q., Canonaco, F., Li,
G., Bozzetti, C., Daellenbach, K. R., Huang, Y., Zhang, R., Li, Z., Cao, J.,
Baltensperger, U., El-Haddad, I., and Prévôt, A. S. H.: New insights into
PM2.5 chemical composition and sources in two major cities in China during
extreme haze events using aerosol mass spectrometry, Atmos. Chem. Phys., 16,
3207–3225, https://doi.org/10.5194/acp-16-3207-2016, 2016.
Evans, M. E. and Heller, F.: Environmental magnetism: principles and
applications of enviromagnetics, Volume 86, Academic Press, San Diego, 2003.
Feng, S. P., Liu, H. C., Zhang, N. N., Lin, H., Du, X. L., and Liu, Y. L.:
Contamination assessment of copper, lead, zinc and chromium in dust fall of
Jinan, NE China, Environ. Earth Sci., 66, 1881–1886,
https://doi.org/10.1007/s12665-011-1412-2, 2012.
Finlayson-Pitts, B. J., Wingen, L. M., Sumner, A. L., Syomin, D., and
Ramazan, K. A.: The heterogeneous hydrolysis of NO2 in laboratory systems and
in outdoor and indoor atmospheres: An integrated mechanism,
Phys. Chem. Chem. Phys., 5, 223–242,
https://doi.org/10.1039/B208564j, 2003.
Flanders, P. J.: Collection, measurement, analysis of airborne magnetic
particulates from pollution in the environment, J. Appl. Phys., 75, 5931–5936,
https://doi.org/10.1063/1.355518, 1994.
Fleming, Z. L., Monks, P. S., and Manning, A. J.: Review: Untangling the
influence of air-mass history in interpreting observed atmospheric
composition, Atmos. Res., 104–015, 1–39, https://doi.org/10.1016/j.atmosres.2011.09.009, 2012.
Ginoux, P., Prospero, J. M., Torres, O., and Chin, M.: Long-term simulation
of global dust distribution with the GOCART model: correlation with North
Atlantic Oscillation, Environ. Model Softw., 19, 113–128,
https://doi.org/10.1016/S1364-8152(03)00114-2, 2004.
Ginoux, P., Prospero, J. M., Gill,T. E., Hsu, N. C., and Zhao, M.:
Global-scale attribution of anthropogenic and natural dust sources and their
emission rates based on MODIS Deep Blue aerosol products, Rev. Geophys., 50,
RG3005, https://doi.org/10.1029/2012RG000388, 2012.
Gomez, E. T., Sanfeliu, T., Jordan, M. M., Rius, J., and de la Fuente, C.:
Geochemical characteristics of particulate matter in the atmosphere
surrounding a ceramic industrialized area, Environ. Geol., 45, 536–543,
https://doi.org/10.1007/S00254-003-0908-9, 2004.
Gorden, G. E.: Receptor models, Environ. Sci. Technol., 22, 1132–1142,
https://doi.org/10.1021/es00175a002, 1988.
Gupta, A. K., Karar, K., and Srivastava, A.: Chemical mass balance source
apportionment of PM10 and TSP in residential and industrial sites of an
urban region of Kolkata, India, J. Hazard. Mater., 142, 279–287,
https://doi.org/10.1016/j.jhazmat.2006.08.013, 2007.
Härdle, W. and Steiger, W.: Algorithm AS 296: Optimal median smoothing,
Appl. Stat-J. Roy. St. C., 44, 258–264, 1995.
Hanesch, M., Scholger, R., and Rey, D.: Mapping dust distribution around an
industrial site by measuring magnetic parameters of tree leaves, Atmos. Environ., 37,
5125–5133, https://doi.org/10.1016/j.atmosenv.2003.07.013,
2003.
Hanisch, F. and Crowley, J. N.: Heterogeneous reactivity of gaseous nitric
acid on Al2O3, CaCO3, and atmospheric dust samples: A Knudsen
cell study, J. Phys. Chem. A., 105, 3096–3106, https://doi.org/10.1021/jp001254+, 2001.
Hansard, R., Maher, B. A., and Kinnersley, R.: Biomagnetic monitoring of
industry-derived particulate pollution, Environ. Pollut., 159, 1673–1681,
https://doi.org/10.1016/j.envpol.2011.02.039, 2011.
Hansard, R., Maher, B. A., and Kinnersley, R. P.: Rapid Magnetic
Biomonitoring and Differentiation of Atmospheric Particulate Pollutants at
the Roadside and around Two Major Industrial Sites in the U.K., Environ. Sci. Technol., 46,
4403–4410, https://doi.org/10.1021/es203275r, 2012.
Harrison, R. J. and Feinberg, J. M.: FORCinel: An improved algorithm for
calculating first-order reversal curve distributions using locally weighted
regression smoothing, Geochem. Geophy. Geosy., 9, Q05016, https://doi.org/10.1029/2008GC001987, 2008.
Harrison, R. M., Smith, D. J. T., Piou, C. A., and Castro, L. M.:
Comparative receptor modellion study of airborne particulate pollutants in
Birminghan (United Kingdom), Coimbra (Portugal) and Lahore (Pakistan),
Atmos. Environ., 131, 3309–3321, https://doi.org/10.1016/S1352-2310(97)00152-0, 1997a.
Harrison, R. M., Deacon, A. R., Jones, M. R., and Appleby, R. S.: Sources
and processes affecting concentrations of PM10 and PM2.5
particulate matter in Birmingham (U. K.), Atmos. Environ., 31, 4103–4117,
https://doi.org/10.1016/S1352-2310(97)00296-3, 1997b.
Hoffmann, V., Knab, M., and Appel, E.: Magnetic susceptibility mapping of
roadside pollution, J. Geochem. Explor., 66, 313–326, https://doi.org/10.1016/S0375-6742(99)00014-X, 1999.
Huang, R. J., Zhang, Y., Bozzetti, C., Ho, K. F., Cao, J. J., Han, Y. M.,
Daellenbach, K. R., Slowik, J. G., Platt, S. M., Canonaco, F., Zotter, P.,
Wolf, R., Pieber, S. M., Bruns, E. A., Crippa, M., Ciarelli, G.,
Piazzalunga, A., Schwikowski, M., Abbaszade, G., Schnelle-Kreis, J.,
Zimmermann, R., An, Z. S., Szidat, S., Baltensperger, U., Haddad, I. E., and
Prevot, A. S. H.: High secondary aerosol contribution to particulate
pollution during haze events in China, Nature., 514, 218–222, https://doi.org/10.1038/nature13774, 2014.
Huang, X. D., Olmezi, I., Aras, N. K., and Gordon, G. E.: Emission of trace
elements from motor- vehicles-potential maker elements and source
composition profile, Atmos. Environ., 28, 1385–1391, https://doi.org/10.1016/1352-2310(94)90201-1, 1994.
Hunt, A., Jones, J., and Oldfield, F.: Magnetic measurements and heavy
metals in atmospheric articulateres of anthropogenic origin, Sci. Total Environ., 33, 129–139,
https://doi.org/10.1016/0048-9697(84)90387-5, 1984.
Jordanova, D., Hoffmann, V., and Febr, K. T.: Mineralmagnetic
characterization of anthropogenic magnetic phases in the Danube river
sediments (Bulgarian part), Earth planet. Sc. Lett., 30, 71–89,
https://doi.org/10.1016/S0012-821X(04)00074-3, 2004.
Jordanova, D., Jordanova, N., and Petrov, P.: Magnetic susceptibility of
road deposited sediments at a national scale-relation to population size and
urban pollution, Environ. Pollut., 189, 239–251,
https://doi.org/10.1016/j.envpol.2014.02.030, 2014.
Kan, H., London, S. J., Chen, G., Zhang, Y., Song, G., Zhao, N., Jiang, L.,
and Chen, B.: Differentiating the effects of fine and coarse particles on
daily mortality in Shanghai, China, Environ. Int., 33, 376–384,
https://doi.org/10.1016/j.envint.2006.12.001, 2007.
Kardel, F., Wuyts, K., Mahe, B. A., and Samson, R.: Intra-urban spatial
variation of magnetic particles: Monitoring via leaf saturation isothermal
remanent magnetisation (SIRM), Atmos. Environ., 55, 111–120,
https://doi.org/10.1016/j.atmosenv.2012.03.025, 2012.
Kim, W., Doh, S. J., Park, Y. H., and Yun, S. T.: Two-year magnetic
monitoring in conjunction with geochemical and electron microscopic data of
roadside dust in Seoul, Korea, Atmos. Environ., 41, 7627–7641,
https://doi.org/10.1016/j.atmosenv.2007.05.050, 2007.
Kim, W., Doh, S. J., and Yu, Y. J.: Anthropogenic contribution of magnetic
particulates in urban roadside dust, Atmos. Environ., 43, 3137–3144,
https://doi.org/10.1016/j.atmosenv.2009.02.056, 2009.
Koukouzas, N., Hämäläinen, J., Papanikolaou, D., Tourunen, A.,
and Jäntti, T.: Mineralogical and elemental composition of fly ash from
pilot scale fluidised bed combustion of lignite, bituminous coal, wood chips
and their blends, Fuel., 86, 2186–2219, https://doi.org/10.1016/j.fuel.2007.03.036, 2007.
Kutchko, B. G. and Kim, A. G.: Fly ash characterization by SEM-EDS, Fuel., 85,
2537–2544, https://doi.org/10.1016/j.fuel.2006.05.016, 2006.
Lee, S. H., Murphy, D. M., Thomson, D. S., and Middlebrook, A. M.: Chemical
components of single particles measured with Particle Analysis by Laser Mass
Spectrometry (PALMS) during the Atlanta Supersite Project: Focus on
organic/sulfate, lead, soot, and mineral particles, J. Geophys. Res.-Atmos., 107,
AAC1-1–AAC1-13, https://doi.org/10.1029/2000JD000011, 2002.
Lee, P. K., Choi, B. Y., and Kang, M. J.: Assessment of mobility and
bio-availability of heavy metals in dry depositions of Asian dust and
implications for environmental risk, Chemosphere., 119, 1411–1421,
https://doi.org/10.1016/j.chemosphere.2014.10.028, 2015.
Li, G. J., Chen, J., Ji, J. F., Yang, J., and Conway, T. M.: Natural and
anthropogenic sources of East Asian dust, Geology., 37, 727–730,
https://doi.org/10.1130/G30031A.1, 2009.
Li, P., Perreau, K. A,, Covington, E., Song, C. H., Carmichael, G. R., and
Grassian, V. H.: Heterogeneous reactions of volatile organic compounds on
oxide particles of the most abundant crustal elements: surface reactions of
acetaldehyde, acetone, and propionaldehyde on SiO2, Al2O3,
Fe2O3, TiO2, and CaO, J. Geophys. Res.-Atmos., 106,
5517–5529, https://doi.org/10.1029/2000JD900573, 2001.
Liu, Q. S., Roberts, A. P., Larrasoaña, J. C., Banerjee, S. K., Guyodo,
Y., Tauxe, L., and Oldfield, F.: Environmental Magnetism: Principles and
Applications, Rev. Geophys., 50, 1–50, https://doi.org/10.1029/2012RG000393, 2012.
Liu, Q. S., Sun, Y. B., Qiang, X. K., Tada, R., Hu, P.X., Duan, Z. Q.,
Jiang, Z. X., Liu, J. X., and Su, K.: Characterizing magnetic mineral
assemblages of surface sediments from major Asian dust sources and
implications for the Chinese loess magnetism, Earth Planets Space., 67,
61,
https://doi.org/10.1186/s40623-015-0237-8, 2015.
Lu, X., Zhang, X., Li, L. Y., and Chen, H.: Assessment of metals pollution
and health risk in dust from nursery schools in Xi'an, China, Environ. Res., 128, 27–34,
https://doi.org/10.1016/j.envres.2013.11.007, 2014.
Maher, B. A.: Magnetic properties of modern soils and Quaternary loessic
palaeosols: palaeoclimatic implications, Palaeogeogr. Palaeocl., 137, 25–54,
https://doi.org/10.1016/S0031-0182(97)00103-X, 1998.
Maher, B. A.: Rain and dust: magnetic records of climate and pollution,
Elements., 5, 229–234, https://doi.org/10.2113/gselements.5.4.229, 2009.
Maher, B. A. and Thompson, R.: Mineral magnetic record of the Chinese loess
and paleosols, Geology., 19, 3–6,
https://doi.org/10.1130/0091-7613(1991)019<0003:MMROTC>2.3.CO;2, 1991.
Maher, B. A., Moore, C., and Matzka, J.: Spatial variation in
vehicle-derived metal pollution identified by magnetic and elemental
analysis of roadside tree leaves, Atmos. Environ., 42, 364–373,
https://doi.org/10.1016/j.atmosenv.2007.09.013, 2008.
Maher, B. A., Ahmed, I. A. M., Davison, B., Karloukovski, V., and Clarke,
R.: Impact of Roadside Tree Lines on Indoor Concentrations of
Traffic-Derived Particulate Matter, Environ. Sci. Technol., 47, 13737–13744,
https://doi.org/10.1021/es404363m, 2013.
Marron, J. S.: What does optimal bandwidth selection mean for nonparametric
regression estimation?, Department of Statistics, University of North
Carolina at Chapel Hill, 1986.
Matzka, J. and Maher, B. A.: Magnetic biomonitoring of roadside tree leaves:
identification of spatial and temporal variations in vehicle-derived
particulates, Atmos. Environ., 33, 4564–4569, https://doi.org/10.1016/S1352-2310(99)00229-0, 1999.
Meza-Figueroa, D., De la O-Villanueva, M., and De la Parra, M. L.: Heavy
metal distribution in dust from elementary schools in Hermosillo, Sonora,
Mexico, Atmos. Environ., 41, 276–288, https://doi.org/10.1016/j.atmosenv.2006.08.034, 2007.
Moreno, E., Sagnotti, L., Dinares-Turell, J., Winkler, A., and Cascella, A.:
Biomonitoring of traffic air pollution in Rome using magnetic properties of
tree leaves, Atmos. Environ., 37, 2967–2977, https://doi.org/10.1016/S1352-2310(03)00244-9, 2003.
Mudelsee, M.: Short note: CLIM-X-DETECT: A Fortran 90 program for robust
detection of extremes against a time-dependent background in climate
records, Comput. Geosci-UK., 32, 141–144, https://doi.org/10.1016/j.cageo.2005.05.010, 2006.
Muxworthy, A. R., Matzka, J., and Petersen, N.: Comparison of magnetic
parameters of urban atmospheric particulate matter with pollution and
meteorological data, Atmos. Environ., 35, 4379–4386, https://doi.org/10.1016/S1352-2310(01)00250-3, 2001.
Nel, A., Xia, T., Madler, L., and Li, N.: Toxic potential of materials at
the nanolevel, Science, 311, 622–627, https://doi.org/10.1126/science.1114397, 2006.
Pacyna, J. M. and Pacyna, E. G.: An assessment of global and regional
emissions of trace metals to the atmosphere from anthropogenic sources
worldwide, Environ. Rev., 9, 269–298, https://doi.org/10.1139/a01-012,
2001.
Pant, P. and Harrison, R. M.: Estimation of the contribution of road traffic
emissions to particulate matter concentrations from field measurements: A
review, Atmos. Environ., 77, 78–97, https://doi.org/10.1016/j.atmosenv.2013.04.028, 2013.
Pickrell, J. A., Erickson, L. E., and Klabunde, K. J.: Toxicity of inhaled
nanomaterials, in: Nanoscale Materials in Chemistry, 2nd edition, edited by:
Klabunde, K. J. and Richards, R. M., published by John Wiley & Sons, Inc.,
Hoboken, New Jersey, Chapter 22, 729–769, https://doi.org/10.1002/9780470523674.ch22, 2009.
Pike, C. R., Roberts, A. P., and Verosub, K. L.: Characterizing interactions
in fine magnetic particle systems using first order reversal curves, J. Appl. Phys., 85,
6660–6667, https://doi.org/10.1063/1.370176, 1999.
Qian, G. Q. and Dong, J. B.: Discussions on different dust trapping methods and
on some related Topics (in Chinese), J. Desert Res., 24, 779–782, 2004.
Qiao, Q. Q., Huang, B. C., Zhang, C. X., Piper, J. D. A., Pan, Y. P., and
Sun, Y.: Assessment of heavy metal contamination of dustfall in northern
China from integrated chemical and magnetic investigation, Atmos. Environ., 74, 182–193,
https://doi.org/10.1016/j.atmosenv.2013.03.039, 2013.
Quayle, B. M., Mather, T. A., Witt, M. L. I., Maher, B. A., Mitchell, R.,
Martin, R. S., and Calabrese, S.: Application and evaluation of biomagnetic
and biochemical monitoring of the dispersion and deposition of
volcanically-derived particles at Mt. Etna, Italy, J. Volcanol. Geoth. Res., 191, 107–116,
https://doi.org/10.1016/j.jvolgeores.2010.01.004, 2010.
Roberts, A. P., Pike, C. R., and Verosub, K. L.: First-order reversal curve
diagrams: a new tool for characterizing the magnetic properties of natural
samples, J. Geophys. Res., 105, 28461–28475, https://doi.org/10.1029/2000JB900326, 2000.
Rubasinghege, G. and Grassian, V. H.: Photochemistry of adsorbed nitrate on
aluminum oxide particle surfaces, J. Phys. Chem. A., 113, 7818–7825, https://doi.org/10.1021/jp902252s, 2009.
Salvador, P., Artíñano, B., Alonso, D. G., Querol, X.,
and Alastuey, A.: Identification and characterisation of sources
of PM10 in Madrid (Spain) by statistical methods, Atmos Environ.,
38, 435–447, https://doi.org/10.1016/j.atmosenv.2003.09.070, 2004.
Spassov, S., Egli, R., Heller, F., Nourgaliev, D. K., and Hannam, J.:
Magnetic quantification of urban pollution sources in atmospheric
particulate matter, Geophys. J. Int., 159, 555–564, https://doi.org/10.1111/j.1365-246X.2004.02438.x, 2004.
Stein, A. F., Draxler, R. R., Rolph, G.D., Stunder, B. J. B., Cohen, M. D.,
and Ngan, F.: NOAA's HYSPLIT atmospheric transport and dispersion modeling
system, B. Am. Meterorl. Soc., 96, 2059–2077, https://doi.org/10.1175/BAMS-D-14-00110.1, 2015.
Sun, J. M., Zhang, M. Y., and Liu, T. S.: Spatial and temporal
characteristics of dust storms in China and its surrounding regions,
1960–1999: relations to source area and climate, J. Geophys. Res., 106, 10325–10334,
https://doi.org/10.1029/2000JD900665, 2001.
Sun, Y. B., Chen, H. Y., Tada, R., Weiss, D., Lin, M., Toyoda, S., Yan, Y.,
and Isozaki, Y.: ESR signal intensity and crystallinity of quartz from Gobi
and sandy deserts in East Asia and implication for tracing Asian dust
provenance, Geochem. Geophy. Geosy., 14, 2615–2627, https://doi.org/10.1002/ggge.20162, 2013.
Sushil, S. and Batra, V. S.: Analysis of fly ash heavy metal content and
disposal in three thermal power plants in India, Fuel., 85, 2676–2679,
https://doi.org/10.1016/j.fuel.2006.04.031, 2006.
Takeuchi, M., Deguchi, J., Sakai, S., and Anpo, M.: Effect of H2O vapor
addition on the photocatalytic oxidation of ethanol, acetaldehyde and acetic
acid in the gas phase on TiO2 semiconductor powders, Appl. Catal. B-Environ., 96, 218–223,
https://doi.org/10.1016/j.apcatb.2010.02.024, 2010.
Urbat, M., Lehndorff, E., and Schwark, L.: Biomonitoring of air quality in
the Cologne conurbation using pine needles as a passive sampler – Part I:
magnetic properties, Atmos. Environ., 38, 3781–3792, https://doi.org/10.1016/j.atmosenv.2004.03.061, 2004.
Usher, C. R., Al-Hosney, H., Carlos-Cuellar, S., and Grassion, V. H.: A
laboratory study of the heterogeneous uptake and oxidation of sulfur dioxide
on mineral dust particles, J. Geophys. Res.-Atmos., 107, ACH16-1–ACH16-9,
https://doi.org/10.1029/2002JD002051, 2002.
Vouk, V. B. and Piver, W. T.: Metallic elements in fossil fuel combustion
products: amounts and form of emissions and evaluation of carcinogenicity
and mutagenicity, Environ. Health Persp., 47, 201–225,
https://doi.org/10.1289/ehp.8347201, 1983.
Wang, X., Dong, Z., Zhang, J., and Liu, L.: Modern dust storms in China: an
overview, J. Arid Environ., 58, 559–574, https://doi.org/10.1016/j.jaridenv.2003.11.009, 2004.
Wehner, B., Birmili, W., Ditas, F., Wu, Z., Hu, M., Liu, X., Mao, J.,
Sugimoto, N., and Wiedensohler, A.: Relationships between submicrometer
particulate air pollution and air mass history in Beijing, China, 2004–2006,
Atmos. Chem. Phys., 8, 6155–6168, https://doi.org/10.5194/acp-8-6155-2008,
2008.
Welton, J. E.: SEM petrology Atlas. The American association of petroleum
geologists, Oklahoma, USA, 1984.
Wilson, W. E., Chow, J. C., Claibom, C., Fusheng, W., Engelbrecht, J., and
Watson, J. G.: Monitoring of particulate matter outdoors, Chemosphere., 49, 1009–1043,
https://doi.org/10.1016/S0045-6535(02)00270-9, 2002.
Wu, L. Y., Tong, S. R., Wang, W. G., and Ge, M. F.: Effects of temperature on
the heterogeneous oxidation of sulfur dioxide by ozone on calcium carbonate,
Atmos. Chem. Phys., 11, 6593–6605, https://doi.org/10.5194/acp-11-6593-2011,
2011.
Xie, S., Dearing, J. A., Bloemendal, J., and Boyle, J. F.: Association
between the organic matter content and magnetic properties in street dust,
Liverpool, UK, Total Environ., 241, 205–214, https://doi.org/10.1016/S0048-9697(99)00346-0, 1999.
Yan, Y., Sun, Y., Weiss, D., Liang, L. J., and Chen, H. Y.: Polluted dust
derived from long-range transport as a major end member of urban aerosols
and its implication of non-point pollution in northern China, Total Environ., 506–507,
538–545, https://doi.org/10.1016/j.scitotenv.2014.11.071,
2015a.
Yan, Y., Sun, Y., Ma, L., and Long, X,: A multidisciplinary approach to
trace Asian dust storms from source to sink, Atmos. Environ., 105, 43–52,
https://doi.org/10.1016/j.atmosenv.2015.01.039, 2015b.
Zdanowicz, C., Hall, G., Vaive, J., Amelin, Y., Percival, J., Girard, I.,
Biscaye, P., and Bory, A.: Asian dustfall in the St. Elias Mountains, Yukon,
Canada, Geochim. Cosmochi. Act., 70, 3493–3507, https://doi.org/10.1016/j.gca.2006.05.005, 2006.
Zhang, C. X., Qiao, Q. Q., Piper, J. D. A., and Huang, B. C.: Assessment of
heavy metal pollution from a Fe-smelting plant in urban river sediments
using environmental magnetic and geochemical methods, Environ. Pollut., 159, 3057–3070,
https://doi.org/10.1016/j.envpol.2011.04.006, 2011.
Zhang, C. X., Qiao, Q. Q., Appe,l E., and Huang, B. C.: Discriminating
sources of anthropogenic heavy metals in urban street dusts using magnetic
and chemical methods, J. Geochem. Explor., 119–120, 60–75,
https://doi.org/10.1016/j.gexplo.2012.06.014, 2012a.
Zhang, C. X., Erwin, A., and Qiao, Q. Q.: Heavy metal pollution in farmland
irrigated with river water near a steel plant – magnetic and geochemical
signature, Geophys. J. Int., 192, 963–974,
https://doi.org/10.1093/gji/ggs079, 2012b.
Zhang, R., Wang, M., Zhang, X., and Zhu, G.: Analysis on the chemical and
physical properties of particles in a dust storm in spring in Beijing,
Powder Technol., 137, 77–82, https://doi.org/10.1016/j.powtec.2003.08.056,
2003.
Zheng, Z. G. and Yang, Y.: Cross-validation and median criterion, Stat. Sinica., 8,
907–921, 1998.
Short summary
The characteristics of urban dust aerosols are of substantial sociopolitical and economic concern. We find that atmospheric dustfall in Xi'an exhibits significant seasonal variations, with a maximum in spring and minimum in autumn. The atmospheric dustfall of Xi'an mainly originates from natural dust sources in East Asia and local anthropogenic sources. Distal natural dust and local anthropogenic dust have different magnetic, morphological, and elemental characteristics.
The characteristics of urban dust aerosols are of substantial sociopolitical and economic...
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