Articles | Volume 24, issue 12
https://doi.org/10.5194/acp-24-7027-2024
© Author(s) 2024. 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-24-7027-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
18 Jun 2024
Research article |
| 18 Jun 2024
| 18 Jun 2024
Interpreting Geostationary Environment Monitoring Spectrometer (GEMS) geostationary satellite observations of the diurnal variation in nitrogen dioxide (NO2) over East Asia
Laura Hyesung Yang
CORRESPONDING AUTHOR
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Daniel J. Jacob
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 01238, USA
Ruijun Dang
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Yujin J. Oak
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Haipeng Lin
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Jhoon Kim
Department of Atmospheric Sciences, Yonsei University, Seoul 03722, South Korea
Shixian Zhai
Earth and Environmental Sciences Programme, Graduate Division of Earth and Atmospheric Sciences, Faculty of Science, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR, China
Nadia K. Colombi
Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 01238, USA
Drew C. Pendergrass
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Ellie Beaudry
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Viral Shah
Global Modeling and Assimilation Office, NASA Goddard Space Flight Center, Greenbelt, MD 20770, USA
Science Systems and Applications, Inc., Lanham, MD 20706, USA
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Robert M. Yantosca
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
Heesung Chong
Center for Astrophysics, Harvard & Smithsonian, Cambridge, MA 02138, USA
Junsung Park
Center for Astrophysics, Harvard & Smithsonian, Cambridge, MA 02138, USA
Hanlim Lee
Pukyong National University, Division of Earth Environmental System Science, Busan 48513, South Korea
Won-Jin Lee
Environmental Satellite Center, National Institute of Environmental Research, Incheon 22689, South Korea
Soontae Kim
Ajou University, Department of Environmental and Safety Engineering, Suwon 16499, South Korea
Eunhye Kim
Ajou University, Department of Environmental and Safety Engineering, Suwon 16499, South Korea
Katherine R. Travis
NASA Langley Research Center, Hampton, VA 23666, USA
James H. Crawford
NASA Langley Research Center, Hampton, VA 23666, USA
Hong Liao
Collaborative Innovation Center of Atmospheric Environment and Equipment Technology/Joint International Research Laboratory of Climate and Environment Change, School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China
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Short summary
The Geostationary Environment Monitoring Spectrometer (GEMS) provides hourly measurements of NO2. We use the chemical transport model to find how emissions, chemistry, and transport drive the changes in NO2 observed by GEMS at different times of the day. In winter, the chemistry plays a minor role, and high daytime emissions dominate the diurnal variation in NO2, balanced by transport. In summer, emissions, chemistry, and transport play an important role in shaping the diurnal variation in NO2.
The Geostationary Environment Monitoring Spectrometer (GEMS) provides hourly measurements of...
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