Sungyeon Choi

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

Fei Liu, Aaron Page, Sarah A. Strode et al. · Science Advances · 2020 · 373 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +15

Ozone Monitoring Instrument (OMI) Aura nitrogen dioxide standard product version 4.0 with improved surface and cloud treatments

Lok N. Lamsal, N. A. Krotkov, A. P. Vasilkov et al. · Atmospheric measurement techniques · 2021 · 197 citations · Full text

Natural Sciences, Earth Sciences, Meteorology +17

Using satellite observations of tropospheric NO ₂ columns to infer long-term trends in US NO _<i>x</i> emissions: the importance of accounting for the free tropospheric NO ₂ background

Rachel Silvern, Daniel J. Jacob, Loretta J. Mickley et al. · Atmospheric chemistry and physics · 2019 · 191 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +17

A new global anthropogenic SO ₂ emission inventory for the last decade: a mosaic of satellite-derived and bottom-up emissions

Fei Liu, Sungyeon Choi, Can Li et al. · Atmospheric chemistry and physics · 2018 · 112 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +16

Assessment of NO ₂ observations during DISCOVER-AQ and KORUS-AQ field campaigns

Sungyeon Choi, Lok N. Lamsal, Melanie B. Follette‐Cook et al. · Atmospheric measurement techniques · 2020 · 92 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +17