Sciences and Exploration Directorate

Can Li



Org Code: 614

Mail Code: 614
Greenbelt, MD 20771

Employer: NASA


Research Physical Scientist

NASA Goddard Space Flight Center - Greenbelt, MD

2023 - Present

Research Scientist

University of Maryland - College Park, MD

2019 - 2023

Associate Research Scientist

University of Maryland - College Park, MD

2015 - 2019

Assistant Research Scientist

University of Maryland - College Park, MD

2011 - 2015

Research Associate

University of Maryland - College Park, MD

2008 - 2011


Ph.D., 2008, Atmospheric and Oceanic Science, University of Maryland, College Park, MD

M.S., 2003, Environmental Sciences, Peking University, Beijing, China

B.S., 2000, Chemistry, Peking University, Beijing, China

Professional Service

Member, the international Commission on Atmospheric Chemistry and Global Pollution (iCACGP), 2019-2022

Associate Editor, Atmospheric Measurement Techniques, 2020-present


Distinguished Research Scientist Award, CMNS, University of Maryland, 2023

Outstanding Performance in Science Award, Earth Science Division Atmospheres (610AT), NASA GSFC2022

Robert H. Goddard Award – Science, NASA GSFC, 2021

Best Research Faculty Paper Award, Earth System Science Interdisciplinary Center, University of Maryland, 2018

Best Senior Author Publication, Earth Science Division, NASA GSFC2018

NASA Exceptional Public Achievement Medal, 2015

Best Senior Author Publication, Earth Science Division, NASA GSFC2015

NASA Earth Science New (Early Career) Investigator, 2014

Outstanding Performance – Software Development, Earth Science Division (610AT), NASA Goddard Space Flight Center, 2014

Best Research Faculty Paper Award, Earth System Science Interdisciplinary Center, University of Maryland, 2011

Outstanding Performance Award - Science, Laboratory for Atmospheres, NASA GSFC, 2010

Performance Award in Technical Support/Scientific Research, Climate and Radiation Branch, NASA GSFC, 2010


Extending NASA’s EOS SO2 and NO2 data records from Aura/OMI to Suomi NPP/OMPS - NASA (NNH17ZDA001N-TASNP) - Awarded: 2018-03-23

Dates: 2018-03-23  - 2021-03-23

Advancing NASA OMI SO2 Product: Enabling New Science Analyses, Applications, and Long-Term, Multi-Satellite Monitoring - NASA (NNH16ZDA001N-ACMAP) - Awarded: 2017-07-18

Dates: 2017-07-18  - 2020-07-17

Producing Consistent Trace Gas Retrievals through Inter-Calibration of Hyperspectral UV Measurements from OMI and GOME-2A - NASA (NNH15ZDA001N-SCIS) - Awarded: 2016-08-29

Dates: 2016-08-29  - 2019-08-28

Systematic multi-satellite study of recent changes in global anthropogenic SO2 pollution - NASA (NNH13ZDA001N-NIP) - Awarded: 2014-04-28

Dates: 2014-04-28  - 2017-04-27

Continuing and Enhancing NASA Standard OMPS SO2 and Cloud Data Records from SNPP and JPSS Satellites - NASA - Awarded: 2021-10-20

Dates: 2021-10-20  - 2024-10-19



Fioletov, V. E., C. A. McLinden, D. Griffin, et al. I. Abboud, N. Krotkov, P. J. Leonard, C. Li, J. Joiner, N. Theys, and S. Carn. 2023. Version 2 of the global catalogue of large anthropogenic and volcanic SO2 sources and emissions derived from satellite measurements Earth System Science Data 15 (1): 75-93 [10.5194/essd-15-75-2023]

Li, C., J. Joiner, F. Liu, et al. N. A. Krotkov, V. Fioletov, and C. McLinden. 2022. A new machine-learning-based analysis for improving satellite-retrieved atmospheric composition data: OMI SO<sub>2</sub> as an example Atmospheric Measurement Techniques 15 (18): 5497-5514 [10.5194/amt-15-5497-2022]

Joiner, J., Z. Fasnacht, W. Qin, et al. Y. Yoshida, A. P. Vasilkov, C. Li, L. Lamsal, and N. Krotkov. 2022. Use of Hyper-Spectral Visible and Near-Infrared Satellite Data for Timely Estimates of the Earth’s Surface Reflectance in Cloudy and Aerosol Loaded Conditions: Part 1–Application to RGB Image Restoration Over Land With GOME-2 Frontiers in Remote Sensing 2 [10.3389/frsen.2021.716430]

Gorkavyi, N., N. Krotkov, C. Li, et al. L. Lait, P. Colarco, S. Carn, M. DeLand, P. Newman, M. Schoeberl, G. Taha, O. Torres, A. Vasilkov, and J. Joiner. 2021. Tracking aerosols and SO2 clouds from the Raikoke eruption: 3D view from satellite observations Atmospheric Measurement Techniques 14 (12): 7545-7563 [10.5194/amt-14-7545-2021]

Theys, N., V. Fioletov, C. Li, et al. I. De Smedt, C. Lerot, C. McLinden, N. Krotkov, D. Griffin, L. Clarisse, P. Hedelt, D. Loyola, T. Wagner, V. Kumar, A. Innes, R. Ribas, F. Hendrick, J. Vlietinck, H. Brenot, and M. Van Roozendael. 2021. A sulfur dioxide Covariance-Based Retrieval Algorithm (COBRA): application to TROPOMI reveals new emission sources Atmospheric Chemistry and Physics 21 (22): 16727-16744 [10.5194/acp-21-16727-2021]

Krotkov, N., V. Realmuto, C. Li, et al. C. Seftor, J. Li, K. Brentzel, M. Stuefer, J. Cable, C. Dierking, J. Delamere, D. Schneider, J. Tamminen, S. Hassinen, T. Ryyppö, J. Murray, S. Carn, J. Osiensky, N. Eckstein, G. Layne, and J. Kirkendall. 2021. Day–Night Monitoring of Volcanic SO2 and Ash Clouds for Aviation Avoidance at Northern Polar Latitudes Remote Sensing 13 (19): 4003 [10.3390/rs13194003]

Li, C., N. A. Krotkov, P. J. Leonard, et al. S. Carn, J. Joiner, R. J. Spurr, and A. Vasilkov. 2020. Version 2 Ozone Monitoring Instrument SO2 product (OMSO2 V2): new anthropogenic SO2 vertical column density dataset Atmospheric Measurement Techniques 13 (11): 6175-6191 [10.5194/amt-13-6175-2020]

Chong, H., S. Lee, J. Kim, et al. U. Jeong, C. Li, N. A. Krotkov, C. R. Nowlan, J. A. Al-Saadi, S. J. Janz, M. G. Kowalewski, M.-H. Ahn, M. Kang, J. Joiner, D. P. Haffner, L. Hu, P. Castellanos, L. G. Huey, M. Choi, C. H. Song, K. M. Han, and J.-H. Koo. 2020. High-resolution mapping of SO2 using airborne observations from the GeoTASO instrument during the KORUS-AQ field study: PCA-based vertical column retrievals Remote Sensing of Environment 241 111725 [10.1016/j.rse.2020.111725]

Fedkin, N. M., C. Li, R. R. Dickerson, T. Canty, and N. A. Krotkov. 2019. Linking improvements in sulfur dioxide emissions to decreasing sulfate wet deposition by combining satellite and surface observations with trajectory analysis Atmospheric Environment 199 210-223 [10.1016/j.atmosenv.2018.11.039]

Liu, F., S. Choi, C. Li, et al. V. E. Fioletov, C. A. McLinden, J. Joiner, N. A. Krotkov, H. Bian, G. Janssens-Maenhout, A. S. Darmenov, and A. M. da Silva. 2018. A new global anthropogenic SO2 emission inventory for the last decade: a mosaic of satellite-derived and bottom-up emissions Atmospheric Chemistry and Physics 18 (22): 16571-16586 [10.5194/acp-18-16571-2018]

Li, C., C. McLinden, V. Fioletov, et al. N. Krotkov, S. Carn, J. Joiner, D. Streets, H. He, X. Ren, Z. Li, and R. R. Dickerson. 2017. India Is Overtaking China as the World’s Largest Emitter of Anthropogenic Sulfur Dioxide Scientific Reports 7 (1): 14304 [10.1038/s41598-017-14639-8]

Fioletov, V., C. A. McLinden, S. K. Kharol, et al. N. A. Krotkov, C. Li, J. Joiner, M. D. Moran, R. Vet, A. J. Visschedijk, and H. A. Denier van der Gon. 2017. Multi-source SO2 emission retrievals and consistency of satellite and surface measurements with reported emissions Atmospheric Chemistry and Physics 17 (20): 12597-12616 [10.5194/acp-17-12597-2017]

Zhang, Y., C. Li, N. A. Krotkov, et al. J. Joiner, V. Fioletov, and C. McLinden. 2017. Continuation of long-term global SO<sub>2</sub> pollution monitoring from OMI to OMPS Atmospheric Measurement Techniques 10 (4): 1495-1509 [10.5194/amt-10-1495-2017]

Carn, S. A., V. E. Fioletov, C. A. McLinden, C. Li, and N. A. Krotkov. 2017. A decade of global volcanic SO2 emissions measured from space Scientific Reports 7 44095 [10.1038/srep44095]

Li, C., N. A. Krotkov, S. Carn, et al. Y. Zhang, R. J. Spurr, and J. Joiner. 2017. New-generation NASA Aura Ozone Monitoring Instrument (OMI) volcanic SO2 dataset: algorithm description, initial results, and continuation with the Suomi-NPP Ozone Mapping and Profiler Suite (OMPS) Atmospheric Measurement Techniques 10 (2): 445-458 [10.5194/amt-10-445-2017]

Fioletov, V. E., C. A. McLinden, N. Krotkov, et al. C. Li, J. Joiner, N. Theys, S. Carn, and M. D. Moran. 2016. A global catalogue of large SO2 sources and emissions derived from the Ozone Monitoring Instrument Atmospheric Chemistry and Physics 16 (18): 11497-11519 [10.5194/acp-16-11497-2016]

McLinden, C. A., V. Fioletov, M. W. Shephard, et al. N. Krotkov, C. Li, R. V. Martin, M. D. Moran, and J. Joiner. 2016. Space-based detection of missing sulfur dioxide sources of global air pollution Nature Geosci 9 496–500 [10.1038/ngeo2724]

Krotkov, N. A., C. A. McLinden, C. Li, et al. L. N. Lamsal, E. A. Celarier, S. V. Marchenko, W. H. Swartz, E. J. Bucsela, J. Joiner, B. N. Duncan, K. F. Boersma, J. P. Veefkind, P. F. Levelt, V. E. Fioletov, R. R. Dickerson, H. He, Z. Lu, and D. G. Streets. 2016. Aura OMI observations of regional SO<sub>2</sub> and NO<sub>2</sub> pollution changes from 2005 to 2015 Atmos. Chem. Phys. 16 (7): 4605-4629 [10.5194/acp-16-4605-2016]

Li, C., N. C. Hsu, A. M. Sayer, et al. N. A. Krotkov, J. S. Fu, L. N. Lamsal, J. Lee, and S.-C. Tsay. 2016. Satellite observation of pollutant emissions from gas flaring activities near the Arctic Atmospheric Environment 133 1-11 [10.1016/j.atmosenv.2016.03.019]

He, H., K. Y. Vinnikov, C. Li, et al. N. A. Krotkov, A. R. Jongeward, Z. Li, J. W. Stehr, J. C. Hains, and R. R. Dickerson. 2016. Response of SO2and particulate air pollution to local and regional emission controls: A case study in Maryland Earth's Future [10.1002/2015ef000330]

McLinden, C. A., V. Fioletov, N. A. Krotkov, et al. C. Li, K. F. Boersma, and C. Adams. 2016. A Decade of Change in NO2 and SO2 over the Canadian Oil Sands As Seen from Space Environ. Sci. Technol. 50 (1): 331-337 [10.1021/acs.est.5b04985]

Li, C., J. Joiner, N. A. Krotkov, and L. Dunlap. 2015. A new method for global retrievals of HCHO total columns from the Suomi National Polar-orbiting Partnership Ozone Mapping and Profiler Suite Geophysical Research Letters 42 (7): 2515-2522 [10.1002/2015gl063204]

Fioletov, V. E., C. A. McLinden, N. A. Krotkov, and C. Li. 2015. Lifetimes and emissions of SO2 from point sources estimated from OMI Geophysical Research Letters 42 (6): 1969-1976 [10.1002/2015gl063148]

Li, C., J. Joiner, N. A. Krotkov, and P. K. Bhartia. 2013. A fast and sensitive new satellite SO2 retrieval algorithm based on principal component analysis: Application to the ozone monitoring instrument Geophysical Research Letters 40 (23): 6314-6318 [10.1002/2013gl058134]

Li, C., S.-C. Tsay, N.-Y. C. Hsu, et al. J. Y. Kim, S. G. Howell, B. J. Huebert, Q. Ji, M.-J. Jeong, S.-H. Wang, R. A. Hansell, and S. W. Bell. 2013. Characteristics and composition of atmospheric aerosols in Phimai, central Thailand during BASE-ASIA Atmospheric Environment 78 60-71 [10.1016/j.atmosenv.2012.04.003]

Li, C., N.-Y. C. Hsu, and S.-C. Tsay. 2011. A study on the potential applications of satellite data in air quality monitoring and forecasting Atmospheric Environment 45 (22): 3663-3675 [10.1016/j.atmosenv.2011.04.032]

Li, C., T. Wen, Z. Li, et al. R. R. Dickerson, Y. Yang, Y. Zhao, Y. Wang, and S.-C. Tsay. 2010. Concentrations and origins of atmospheric lead and other trace species at a rural site in northern China J. Geophys. Res. 115 (D7): D00K23 [10.1029/2009JD013639]

Li, C., S.-C. Tsay, J. Fu, et al. Q. Ji, S. Bell, Y. Gao, W. Zhang, J. Huang, Z. Li, and H. Chen. 2010. Anthropogenic air pollution observed near dust source regions in northwestern China during springtime 2008 J. Geophys. Res. 115 (D7): D00K22 [10.1029/2009JD013659]

Li, C., N. A. Krotkov, D. Streets, et al. K. He, S.-C. Tsay, and J. F. Gleason. 2010. Recent large reduction in sulfur dioxide emissions from Chinese power plants observed by the Ozone Monitoring Instrument Geophysical Research Letters 37 (8): L08807 [10.1029/2010GL042594]

Li, C., N. A. Krotkov, R. R. Dickerson, et al. Z. Li, K. Yang, and M. Chin. 2010. Transport and evolution of a pollution plume from northern China: A satellite-based case study J Geophys Res 115 (D7): D00K03 [10.1029/2009JD012245]

Dickerson, R. R., C. Li, Z. Li, et al. L. T. Marufu, J. W. Stehr, B. McClure, N. Krotkov, H. Chen, P. Wang, X. Xia, X. Ban, F. Gong, J. Yuan, and J. Yang. 2007. Aircraft observations of dust and pollutants over northeast China: Insight into the meteorological mechanisms of transport Journal of Geophysical Research 112 (D24): D24S90 [10.1029/2007jd008999]