Articles | Volume 23, issue 2
https://doi.org/10.5194/acp-23-1641-2023
© Author(s) 2023. 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-23-1641-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Jan 2023
Research article |
| 27 Jan 2023
| 27 Jan 2023
How aerosol size matters in aerosol optical depth (AOD) assimilation and the optimization using the Ångström exponent
Jianbing Jin
Department of Climate, Air and Sustainability, TNO, Utrecht, the Netherlands
now at: Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Jiangsu Collaborative Innovation
Center of Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering,
Nanjing University of Information Science and Technology, Nanjing, Jiangsu, China
Department of Climate, Air and Sustainability, TNO, Utrecht, the Netherlands
Arjo Segers
Department of Climate, Air and Sustainability, TNO, Utrecht, the Netherlands
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Cited
14 citations as recorded by crossref.
- Improvement of Aerosol Coarse-Mode Detection through Additional Use of Infrared Wavelengths in the Inversion of Arctic Lidar Data C. Böckmann et al. 10.3390/rs16091576
- Assessment of the Influence of Instrument Parameters on the Detection Accuracy of Greenhouse-Gases Absorption Spectrometer-2 (GAS-2) S. Li et al. 10.3390/atmos14091418
- Observational operator for fair model evaluation with ground NO2 measurements L. Fang et al. 10.5194/gmd-17-8267-2024
- Correlation of aerosol particles with clouds and radiation budget over the horn of Africa–Ethiopia using MODIS satellite data: Part 02 A. Alemu & J. Raju 10.1016/j.jqsrt.2024.109261
- In-line monitoring and modelling of particle size reduction of hexagonal boron nitride (hBN) suspension in femtosecond laser processing H. Muneoka et al. 10.1088/1361-6463/ad66df
- On the added value of satellite AOD for the investigation of ground-level PM2.5 variability J. Handschuh et al. 10.1016/j.atmosenv.2024.120601
- Parameterization of size of organic and secondary inorganic aerosol for efficient representation of global aerosol optical properties H. Zhu et al. 10.5194/acp-23-5023-2023
- On Saharan Air Layer Stability and Suppression of Convection over the Northern Tropical Atlantic: Case Study Analysis of a 2007 Dust Outflow Event A. Flores et al. 10.3390/atmos14040707
- Improved Himawari-8 10-minute scale aerosol optical depth product using deep neural network over Japan Y. Tan et al. 10.1016/j.apr.2023.102005
- Daily high-resolution surface PM2.5 estimation over Europe by ML-based downscaling of the CAMS regional forecast S. Shetty et al. 10.1016/j.envres.2024.120363
- Comprehensive Assessment and Analysis of the Current Global Aerosol Optical Depth Products L. Zhang et al. 10.3390/rs16081425
- Spatiotemporal Distribution, Sources, and Impact on Atmospheric Oxidation of Reactive Nitrogen Oxides in the North China Plain Agricultural Regions in Summer S. Wei et al. 10.3390/rs16173192
- Temporal distributions of aerosols over the Horn of Africa–Ethiopia using MODIS satellite data: Part 01 A. Alemu & J. Raju 10.1016/j.jqsrt.2024.109085
- 4DEnVar-based inversion system for ammonia emission estimation in China through assimilating IASI ammonia retrievals J. Jin et al. 10.1088/1748-9326/acb835
13 citations as recorded by crossref.
- Improvement of Aerosol Coarse-Mode Detection through Additional Use of Infrared Wavelengths in the Inversion of Arctic Lidar Data C. Böckmann et al. 10.3390/rs16091576
- Assessment of the Influence of Instrument Parameters on the Detection Accuracy of Greenhouse-Gases Absorption Spectrometer-2 (GAS-2) S. Li et al. 10.3390/atmos14091418
- Observational operator for fair model evaluation with ground NO2 measurements L. Fang et al. 10.5194/gmd-17-8267-2024
- Correlation of aerosol particles with clouds and radiation budget over the horn of Africa–Ethiopia using MODIS satellite data: Part 02 A. Alemu & J. Raju 10.1016/j.jqsrt.2024.109261
- In-line monitoring and modelling of particle size reduction of hexagonal boron nitride (hBN) suspension in femtosecond laser processing H. Muneoka et al. 10.1088/1361-6463/ad66df
- On the added value of satellite AOD for the investigation of ground-level PM2.5 variability J. Handschuh et al. 10.1016/j.atmosenv.2024.120601
- Parameterization of size of organic and secondary inorganic aerosol for efficient representation of global aerosol optical properties H. Zhu et al. 10.5194/acp-23-5023-2023
- On Saharan Air Layer Stability and Suppression of Convection over the Northern Tropical Atlantic: Case Study Analysis of a 2007 Dust Outflow Event A. Flores et al. 10.3390/atmos14040707
- Improved Himawari-8 10-minute scale aerosol optical depth product using deep neural network over Japan Y. Tan et al. 10.1016/j.apr.2023.102005
- Daily high-resolution surface PM2.5 estimation over Europe by ML-based downscaling of the CAMS regional forecast S. Shetty et al. 10.1016/j.envres.2024.120363
- Comprehensive Assessment and Analysis of the Current Global Aerosol Optical Depth Products L. Zhang et al. 10.3390/rs16081425
- Spatiotemporal Distribution, Sources, and Impact on Atmospheric Oxidation of Reactive Nitrogen Oxides in the North China Plain Agricultural Regions in Summer S. Wei et al. 10.3390/rs16173192
- Temporal distributions of aerosols over the Horn of Africa–Ethiopia using MODIS satellite data: Part 01 A. Alemu & J. Raju 10.1016/j.jqsrt.2024.109085
Latest update: 24 Dec 2024
Short summary
Aerosol models and satellite retrieval algorithms rely on different aerosol size assumptions. In practice, differences between simulations and observations do not always reflect the difference in aerosol amount. To avoid inconsistencies, we designed a hybrid assimilation approach. Different from a standard aerosol optical depth (AOD) assimilation that directly assimilates AODs, the hybrid one estimates aerosol size parameters by assimilating Ängström observations before assimilating the AODs.
Aerosol models and satellite retrieval algorithms rely on different aerosol size assumptions. In...
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