Sciences and Exploration Directorate

Guoyong Wen



Org Code: 613

Mail Code: 613
Greenbelt, MD 20771



Ph.D. 1992 Atmospheric Science, The University of Chicago

M.S. 1987 Atmospheric Science, Purdue University

B.S. 1982 Space Physics, Peking University

Professional Societies

American Geophysical Union


1992 - Present


Best Author Publication Award, Laboratory for Atmospheres, NASA/GSFC 2000

Scientific Leadership Award, Climate and Radiation Laboratory, NASA/GSFC 2020



Wen, G., A. Marshak, J. Herman, and D. Wu. 2022. Reduction of Spectral Radiance Reflectance During the Annular Solar Eclipse of 21 June 2020 Observed by EPIC Frontiers in Remote Sensing 3 [10.3389/frsen.2022.777314]

Marshak, A., A. Ackerman, A. Da Silva, et al. T. Eck, B. Holben, R. Kahn, R. Kleidman, K. Knobelspiesse, R. C. Levy, A. Lyapustin, L. Oreopoulos, L. Remer, O. Torres, T. Varnai, G. Wen, and J. Yorks. 2021. Aerosol properties in cloudy environments from remote sensing observations: a review of the current state of knowledge Bulletin of the American Meteorological Society 1-57 [10.1175/bams-d-20-0225.1]

Wen, G., and A. Marshak. 2021. Precipitable Water Vapor Variation in the Clear-Cloud Transition Zone From the ARM Shortwave Spectrometer IEEE Geoscience and Remote Sensing Letters 1-5 [10.1109/lgrs.2021.3064334]

Yang, W., A. Marshak, and G. Wen. 2019. Cloud Edge Properties Measured by the ARM Shortwave Spectrometer Over Ocean and Land Journal of Geophysical Research: Atmospheres 2019JD030622 [10.1029/2019jd030622]

Wen, G., A. Marshak, W. Song, et al. Y. Knyazikhin, M. Mõttus, and D. Wu. 2019. A Relationship between Blue and Near‐IR Global Spectral Reflectance and the Response of Global Average Reflectance to Change in Cloud Cover Observed from DSCOVR EPIC Earth and Space Science 6 1416-1429 [10.1029/2019ea000664]

Song, W., Y. Knyazikhin, G. Wen, et al. A. Marshak, M. Mõttus, K. Yan, B. Yang, B. Xu, T. Park, C. Chen, Y. Zeng, G. Yan, X. Mu, and R. B. Myneni. 2018. Implications of Whole-Disc DSCOVR EPIC Spectral Observations for Estimating Earth’s Spectral Reflectivity Based on Low-Earth-Orbiting and Geostationary Observations Remote Sensing 10 (10): 1594 [10.3390/rs10101594]

Herman, J., G. Wen, A. Marshak, et al. K. Blank, L. Huang, A. Cede, N. Abuhassan, and M. Kowalewski. 2018. Reduction in 317–780 nm radiance reflected from the sunlit Earth during the eclipse of 21 August 2017 Atmospheric Measurement Techniques 11 (7): 4373-4388 [10.5194/amt-11-4373-2018]

Wen, G., R. F. Cahalan, D. Rind, et al. J. Jonas, P. Pilewskie, D. L. Wu, and N. A. Krivova. 2017. Climate responses to SATIRE and SIM-based spectral solar forcing in a 3D atmosphere-ocean coupled GCM Journal of Space Weather and Space Climate 7 A11 [10.1051/swsc/2017009]

Wen, G., A. Marshak, T. Varnai, and R. C. Levy. 2016. Testing the Two-Layer Model for Correcting Near Cloud Reflectance Enhancement Using LES/SHDOM Simulated Radiances J. Geophys. Res., Atmos. (121): 9661–9674 [10.1002/2016JD025021]

Marshak, A., K. F. Evans, T. Varnai, and G. Wen. 2014. Extending 3D near-cloud corrections from shorter to longer wavelengths Journal of Quantitative Spectroscopy and Radiative Transfer 147 79-85 [10.1016/j.jqsrt.2014.05.022]

Wen, G., A. Marshak, L. Remer, et al. R. Levy, N. Loeb, T. Várnai, and R. F. Cahalan. 2013. Correction of MODIS aerosol retrieval for 3D radiative effects in broken cloud fields AIP Conference Proceedings 1531 (1): [10.1063/1.4804761]

Wen, G., R. F. Cahalan, D. Rind, et al. J. Jonas, P. Pilewskie, and J. Harder. 2013. Spectral solar UV radiation and its variability and climate responses [10.1063/1.4804888]

Wen, G., R. F. Cahalan, J. D. Haigh, et al. P. Pilewskie, L. Oreopoulos, and J. W. Harder. 2013. Reconciliation of modeled climate responses to spectral solar forcing J. Geophys. Res. Atmos. 118 (12): 6281–6289 [10.1002/jgrd.50506]

Wen, G., A. Marshak, R. C. Levy, et al. L. A. Remer, N. Loeb, T. Varnai, and R. F. Cahalan. 2013. Improvement of MODIS aerosol retrievals near clouds J. Geophys. Res. Atmos. 118 (16): 9168-9181 [10.1002/jgrd.50617]

Wu, W., Y. Liu, and G. Wen. 2011. Spectral solar irradiance and its entropic effect on Earth's climate Earth System Dynamics Discussions 2 (1): 45-70 [10.5194/esdd-2-45-2011]

Cahalan, R. F., G. Wen, J. W. Harder, and P. Pilewskie. 2010. Temperature responses to spectral solar variability on decadal time scales Geophysical Research Letters 37 (7): [10.1029/2009gl041898]

Wen, G., A. Marshak, and R. F. Cahalan. 2008. Importance of molecular Rayleigh scattering in the enhancement of clear sky radiance in the vicinity of boundary layer cumulus clouds J. Geophys. Res. 113 [10.1029/2008JD010592]

Miyahara, H., G. Wen, R. F. Cahalan, and A. Ohmura. 2008. Deriving historical total solar irradiance from lunar borehole temperatures Geophys. Res. Lett. 35 [10.1029/2007GL032171]

Marshak, A., G. Wen, J. Coakley, et al. L. Remer, N. Loeb, and R. F. Cahalan. 2008. A simple model for the cloud adjacency effect and the apparent bluing of aerosols near clouds J. Geophys. Res. 113 [10.1029/2007JD009196]

Wen, G., A. Marshak, R. F. Cahalan, L. Remer, and R. G. Kleidman. 2007. 3D aerosol-cloud radiative interaction observed in collocated MODIS and ASTER images of cumulus cloud fields J. Geophys. Res. 112 [10.1029/2005JD006686]

Marshak, A., S. E. Platnick, T. Varnai, G. Wen, and R. F. Cahalan. 2006. Impact of three-dimensional radiative effects on satellite retrievals of cloud droplet sizes J. Geophys. Res. 111 (D9): D09207 [10.1029/2005JD006686]

Wen, G., A. Marshak, and R. Cahalan. 2006. Impact of 3D Clouds on Clear Sky Reflectance and Aerosol Retrieval in a Biomass Burning Region of Brazil IEEE Geo Rem Sens Lett 3 169-172 [10.1109/LGRS.2005.861386]

Cahalan, R., L. Oreopoulos, A. Marshak, et al. K. Evans, A. Davis, R. Pincus, K. Yetzer, B. Mayer, R. Davies, T. Ackerman, H. Barker, E. Clothiaux, R. Ellingson, M. Garay, E. Kassianov, S. Kinne, O. Macke, O. Macke, O. Macke, P. Partain, S. Prigarin, A. Rublev, G. Stephens, F. Szczap, E. Takara, T. Varnai, G. Wen, and T. Zhuravleva. 2005. The International Intercomparison of 3D Radiation Codes (I3RC): Bringing together the most advanced radiative transfer tools for cloudy atmospheres Bull Amer Meteor Soc 86 (9): 1275-1293 [10.1175/BAMS-86-9-1275]

Wen, G., R. F. Cahalan, and B. N. Holben. 2003. Limitations of ground-based solar irradiance estimates due to atmospheric variations J. Geophys. Res. 108 [10.1029/2003JD003431]

Cahalan, R. F., L. Oreopoulos, G. Wen, et al. A. Marshak, S.-C. Tsay, and T. DeFelice. 2001. Cloud characterization and clear sky correction from Landsat 7 Remote Sens Environ 78 (1-2): 83-98 [10.1016/S0034-4257(01)00251-6]

Wen, G., R. Cahalan, S.-C. Tsay, and L. Oreopoulos. 2001. Impact of cumulus cloud spacing on Landsat atmospheric correction and aerosol retrieval J. Geophys. Res. 106 (D11): 12129-12138 [10.1029/2001JD900159]

Oreopoulos, L., R. F. Cahalan, A. Marshak, and G. Wen. 2000. A new normalized difference cloud retrieval technique applied to Landsat radiances over the Oklahoma ARM Site J Appl Meteor 39 (12): 2305-2320 [10.1175/1520-0450(2000)039<2305:ANNDCR>2.0.CO;2]

Oreopoulos, L., A. Marshak, R. F. Cahalan, and G. Wen. 2000. Cloud three-dimensional effects evidenced in Landsat spatial power spectra and autocorrelation functions J Geophys Res 105 (D11): 14777-14788 [10.1029/2000JD900153]

Wen, G., S.-C. Tsay, R. F. Cahalan, and L. Oreopoulos. 1999. Path radiance technique for retrieving aerosol optical thickness over land J. Geophys. Res. 104 (D24): 31321-31332 [10.1029/1999JD900964]

Reck, R., B. Weinberg, R. Bornick, G. Wen, and J. Frederick. 1996. A new approach to the characterization of long-term changes in total atmospheric ozone: Determination and application of frequency distributions Atmospheric Environment 30 (14): 2627-2636 [10.1016/1352-2310(95)00316-9]

Wen, G., J. E. Frederick, and E. Hilsenrath. 1995. Pinatubo aerosols and the behavior of ozone inferred from backscatter ultraviolet measurements on the space shuttle Journal of Geophysical Research 100 (D9): 18855 [10.1029/95jd01839]

Wen, G., and J. E. Frederick. 1995. The effects of horizontally extended clouds on backscattered ultraviolet sunlight Journal of Geophysical Research 100 (D8): 16387 [10.1029/95jd01753]

Wen, G., and J. E. Frederick. 1994. Ozone within the El Chichón aerosol cloud inferred from solar backscatter ultraviolet continuous-scan measurements Journal of Geophysical Research 99 (D1): 1263 [10.1029/93jd02661]