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First 376 results for ” Yongjoo Choi”

1. New observations of NO2 in the upper troposphere from TROPOMI

     Nitrogen oxides (NOx≡NO+NO2) in the NOx-limited upper troposphere (UT) are long-lived and so...

   Marais, E. A., Roberts, J. F., Ryan, R. G., Eskes, H., Boersma, K. F., Choi, S., Joiner, J., Abuhassan, N., Redondas, A., Grutter, M., Cede, A., Gomez, L., and Navarro-Comas, M. | Journal: Atmos. Meas. Tech. | Volume: 14 | Year: 2021 | First page: 2389 | Last page: 2408 | doi: 10.5194/amt-14-2389-2021

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2. Abrupt decline in tropospheric nitrogen dioxide over China after the outbreak of COVID-19

   China’s policy interventions to reduce the spread of the coronavirus disease 2019 have environmen...

   Liu, F., A. Page, S. A. Strode, Y. Yoshida, S. Choi, B. Zheng, L. N. Lamsal, C. Li, N. A. Krotkov, H. Eskes, R. van der A, P. Veefkind, P. F. Levelt, O. P. Hauser, J. Joiner | Journal: Sci. Adv. | Volume: 6 | Year: 2020 | First page: eabc2992 | doi: 10.1126/sciadv.abc2992

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3. Intercomparison of wind observations from ESA’s satellite mission Aeolus, ERA5 reanalysis and radiosonde over China

   The European Space Agency (ESA) Earth Explorer Atmospheric Dynamics Mission Aeolus is the first s...

   Boming Liu, Jianping Guo, Wei Gong, Yong Zhang, Lijuan Shi, Yingying Ma, Jian Li, Xiaoran Guo, Ad Stoffelen, Gerrit de Leeuw, Xiaofeng Xu | Journal: Atmospheric Measurement Techniques Discussions | Year: 2022 | doi: https://doi.org/10.5194/amt-2022-26

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4. Nitrogen Oxide Emissions from U.S. Oil and Gas Production: Recent Trends and Source Attribution

   Abstract U.S. oil and natural gas production volumes have grown by up to 100% in key production a...

   Dix, Barbara; de Bruin, Joep; Roosenbrand, Esther; Vlemmix, Tim; Francoeur, Colby; Gorchov-Negron, Alan; McDonald, Brian; Zhizhin, Mikhail; Elvidge, Christopher; Veefkind, Pepijn; Levelt, Pieternel; de Gouw, Joost | Journal: Geophysical Research Letters | Year: 2020 | doi: https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019GL085866

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5. A New Divergence Method to Quantify Methane Emissions Using Observations of Sentinel-5P TROPOMI

   We present a new divergence method to estimated methane (CH4) emissions from satellite observed m...

   Mengyao Liu, Ronald van der A, Michiel van Weele, Henk Eskes, Xiao Lu, Pepijn Veefkind, Jos de Laat, Hao Kong, Jingxu Wang, Jiyunting Sun, Jieying Ding, Yuanhong Zhao, Hongjian Weng | Journal: Geophysical Research Letters | Volume: 48 | Year: 2021 | doi: 10.1029/2021GL094151

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