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Virginia Ruth Sawyer

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Virginia Ruth Sawyer

  • Research Scientist
  • 301.614.6184
  • NASA/GSFC
  • Mail Code: 613
  • Greenbelt , MD 20771
  • Employer: SCIENCE SYSTEMS AND APPLICATIONS INC

    • Publications

    Refereed

    Hammer, M. S., A. van Donkelaar, L. Bindle, et al. A. M. Sayer, J. Lee, N. C. Hsu, R. C. Levy, V. Sawyer, M. J. Garay, O. V. Kalashnikova, R. A. Kahn, A. Lyapustin, and R. V. Martin. 2023. "Assessment of the impact of discontinuity in satellite instruments and retrievals on global PM2.5 estimates." Remote Sensing of Environment, 294: 113624 [10.1016/j.rse.2023.113624]

    Schutgens, N., A. M. Sayer, A. Heckel, et al. C. Hsu, H. Jethva, G. de Leeuw, P. J. Leonard, R. C. Levy, A. Lipponen, A. Lyapustin, P. North, T. Popp, C. Poulsen, V. Sawyer, L. Sogacheva, G. Thomas, O. Torres, Y. Wang, S. Kinne, M. Schulz, and P. Stier. 2020. "An AeroCom–AeroSat study: intercomparison of satellite AOD datasets for aerosol model evaluation." Atmospheric Chemistry and Physics, 20 (21): 12431-12457 (In Press) [10.5194/acp-20-12431-2020]

    Remer, L. A., R. C. Levy, S. Mattoo, et al. D. Tanré, P. Gupta, Y. Shi, V. Sawyer, L. A. Munchak, Y. Zhou, M. Kim, C. Ichoku, F. Patadia, R.-R. Li, S. Gassó, R. G. Kleidman, and B. N. Holben. 2020. "The Dark Target Algorithm for Observing the Global Aerosol System: Past, Present, and Future." Remote Sensing, 12 (18): 2900 (In Press) [10.3390/rs12182900]

    Sawyer, V., R. C. Levy, S. Mattoo, et al. G. Cureton, Y. Shi, and L. A. Remer. 2020. "Continuing the MODIS Dark Target Aerosol Time Series with VIIRS." Remote Sensing, 12 (2): 308 [10.3390/rs12020308]

    Levy, R. C., S. Mattoo, V. Sawyer, et al. Y. Shi, P. R. Colarco, A. I. Lyapustin, Y. Wang, and L. A. Remer. 2018. "Exploring systematic offsets between aerosol products from the two MODIS sensors." Atmospheric Measurement Techniques, 11: 4073-4092 [https://doi.org/10.5194/amt-11-4073-2018]

    Lipponen, A., T. Mielonen, M. R. Pitkänen, et al. R. C. Levy, V. R. Sawyer, S. Romakkaniemi, V. Kolehmainen, and A. Arola. 2018. "Bayesian aerosol retrieval algorithm for MODIS AOD retrieval over land." Atmospheric Measurement Techniques, 11 (3): 1529-1547 [10.5194/amt-11-1529-2018]

    Publications

    Refereed

    Hammer, M. S., A. van Donkelaar, L. Bindle, et al. A. M. Sayer, J. Lee, N. C. Hsu, R. C. Levy, V. Sawyer, M. J. Garay, O. V. Kalashnikova, R. A. Kahn, A. Lyapustin, and R. V. Martin. 2023. "Assessment of the impact of discontinuity in satellite instruments and retrievals on global PM2.5 estimates." Remote Sensing of Environment 294 113624 [10.1016/j.rse.2023.113624]

    Schutgens, N., A. M. Sayer, A. Heckel, et al. C. Hsu, H. Jethva, G. de Leeuw, P. J. Leonard, R. C. Levy, A. Lipponen, A. Lyapustin, P. North, T. Popp, C. Poulsen, V. Sawyer, L. Sogacheva, G. Thomas, O. Torres, Y. Wang, S. Kinne, M. Schulz, and P. Stier. 2020. "An AeroCom–AeroSat study: intercomparison of satellite AOD datasets for aerosol model evaluation." Atmospheric Chemistry and Physics (In Press) 20 (21): 12431-12457 [10.5194/acp-20-12431-2020]

    Remer, L. A., R. C. Levy, S. Mattoo, et al. D. Tanré, P. Gupta, Y. Shi, V. Sawyer, L. A. Munchak, Y. Zhou, M. Kim, C. Ichoku, F. Patadia, R.-R. Li, S. Gassó, R. G. Kleidman, and B. N. Holben. 2020. "The Dark Target Algorithm for Observing the Global Aerosol System: Past, Present, and Future." Remote Sensing (In Press) 12 (18): 2900 [10.3390/rs12182900]

    Sawyer, V., R. C. Levy, S. Mattoo, et al. G. Cureton, Y. Shi, and L. A. Remer. 2020. "Continuing the MODIS Dark Target Aerosol Time Series with VIIRS." Remote Sensing 12 (2): 308 [10.3390/rs12020308]

    Levy, R. C., S. Mattoo, V. Sawyer, et al. Y. Shi, P. R. Colarco, A. I. Lyapustin, Y. Wang, and L. A. Remer. 2018. "Exploring systematic offsets between aerosol products from the two MODIS sensors." Atmospheric Measurement Techniques 11 4073-4092 [https://doi.org/10.5194/amt-11-4073-2018]

    Lipponen, A., T. Mielonen, M. R. Pitkänen, et al. R. C. Levy, V. R. Sawyer, S. Romakkaniemi, V. Kolehmainen, and A. Arola. 2018. "Bayesian aerosol retrieval algorithm for MODIS AOD retrieval over land." Atmospheric Measurement Techniques 11 (3): 1529-1547 [10.5194/amt-11-1529-2018]

                                                                                                                                                                                            
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    • Last Updated: 10/02/2023