Now showing items 1-9 of 9

    • Atmospheric Correction of Satellite Ocean-Color Imagery During the PACE Era 

      Frouin, Robert J.; Franz, Bryan A.; Ibrahim, Amir; Knobelspiesse, Kirk D.; Ahmad, Ziauddin; Cairns, Brian; Chowdhary, Jacek; Dierssen, Heidi M.; Tan, Jing; Dubovik, Oleg; Huang, Xin; Davis, Anthony B.; Kalashnikova, Olga; Thompson, David R.; Remer, Lorraine Ann; Boss, Emmanuel; Coddington, Odele; Deschamps, Pierre-Yves; Gao, Bo-Cai; Gross, Lydwine; Hasekamp, Otto; Omar, Ali; Pelletier, Bruno; Ramon, Didier; Steinmetz, François; Zhai, Peng-wang (Frontiers, 2019-07-26)
      The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission will carry into space the Ocean Color Instrument (OCI), a spectrometer measuring at 5 nm spectral resolution in the ultraviolet (UV) to near infrared (NIR) with ...
    • Atmospheric correction over the ocean for hyperspectral radiometers using multi-angle polarimetric retrievals 

      Hannadige, Neranga K.; Zhai, Peng-Wang; Gao, Meng; Franz, Bryan A.; Hu, Yongxiang; Knobelspiesse, Kirk; Werdell, P. Jeremy; Ibrahim, Amir; Cairns, Brian; Hasekamp, Otto P. (OSA Publishing, 2021)
      We developed a fast and accurate polynomial based atmospheric correction (POLYAC) algorithm for hyperspectral radiometric measurements, which parameterizes the atmospheric path radiances using aerosol properties retrieved ...
    • Efficient multi-angle polarimetric inversion of aerosols and ocean color powered by a deep neural network forward model 

      Gao, Meng; Franz, Bryan A.; Knobelspiesse, Kirk; Zhai, Peng-Wang; Martins, Vanderlei; Burton, Sharon; Cairns, Brian; Ferrare, Richard; Gales, Joel; Hasekamp, Otto; Hu, Yongxiang; Ibrahim, Amir; McBride, Brent; Puthukkudy, Anin; Werdell, P. Jeremy; Xu, Xiaoguang (Copernicus Publications, 2021-02-09)
      NASA's Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission, scheduled for launch in the timeframe of 2023, will carry a hyperspectral Ocean Color Instrument (OCI) and two Multi-Angle Polarimeters (MAP): the UMBC ...
    • Inversion of multi-angular polarimetric measurements over open and coastal ocean waters: a joint retrieval algorithm for aerosol and water leaving radiance properties 

      Gao, Meng; Zhai, Peng-Wang; Franz, Bryan; Hu, Yongxiang; Knobelspiesse, Kirk; Werdell, P. Jeremy; Ibrahim, Amir; Cairns, Brian; Chase, Alison (Copernicus Publications, 2019-03-26)
      Ocean color remote sensing is a challenging task over coastal waters due to the complex optical properties of aerosols and hydrosols. In order to conduct accurate atmospheric correction, we previously implemented a joint ...
    • The Plankton, Aerosol, Cloud, Ocean Ecosystem Mission: Status, Science, Advances 

      Werdell, P. Jeremy; Behrenfeld, Michael J.; Bontempi, Paula S.; Boss, Emmanuel; Cairns, Brian; Davis, Gary T.; Franz, Bryan A.; Gliese, Ulrik B.; Gorman, Eric T.; Hasekamp, Otto; Knobelspiesse, Kirk D.; Mannino, Antonio; Martins, J. Vanderlei; McClain, Charles R.; Meister, Gerhard; Remer, Lorraine A. (American Meteorological Society, 2019-09-27)
      The Plankton, Aerosol, Cloud, Ocean Ecosystem (PACE) mission represents the National Aeronautics and Space Administration’s (NASA) next investment in satellite ocean color and the study of Earth’s ocean–atmosphere system, ...
    • Retrieval of aerosol properties and water-leaving reflectance from multi-angular polarimetric measurements over coastal waters 

      Gao, Meng; Zhai, Peng-Wang; Franz, Bryan; Hu, Yongxiang; Knobelspiesse, Kirk; Werdell, P. Jeremy; Amir, Ibrahim; Xu, Feng; Cairns, Brian (The Optical Society, 2018)
      Ocean color remote sensing is an important tool to monitor water quality and biogeochemical conditions of ocean. Atmospheric correction, which obtains water-leaving radiance from the total radiance measured by satellite-borne ...
    • Retrieving Aerosol Characteristics From the PACE Mission, Part 1: Ocean Color Instrument 

      Remer, Lorraine A.; Davis, Anthony B.; Mattoo, Shana; Levy, Robert C.; Kalashnikova, Olga V.; Coddington, Odele; Chowdhary, Jacek; Knobelspiesse, Kirk; Xu, Xiaoguang; Ahmad, Ziauddin; Boss, Emmanuel; Cairns, Brian; Dierssen, Heidi M.; Diner, David J.; Franz, Bryan; Frouin, Robert; Gao, Bo-Cai; Ibrahim, Amir; Martins, J. Vanderlei; Omar, Ali H.; Torres, Omar; Xu, Feng; Zhai, Peng-Wang (Frontiers Media S.A, 2019-07-23)
      NASA’s Plankton, Aerosol, Clouds, ocean Ecosystem (PACE) satellite mission is scheduled to launch in 2022, with the Ocean Color Instrument (OCI) on board. For the first time reflected sunlight from the Earth across a broad ...
    • Retrieving Aerosol Characteristics From the PACE Mission, Part 2: Multi-Angle and Polarimetry 

      Remer, Lorraine A.; Knobelspiesse, Kirk; Zhai, Pengwang; Xu, Feng; Kalashnikova, Olga V.; Chowdhary, Jacek; Hasekamp, Otto; Dubovik, Oleg; Wu, Lianghai; Ahmad, Ziauddin; Boss, Emmanuel; Cairns, Brian; Coddington, Odele; Davis, Anthony B.; Dierssen, Heidi M.; Diner, David J.; Franz, Bryan; Frouin, Robert; Gao, Bo-Cai; Ibrahim, Amir; Levy, Robert C.; Martins, J. Vanderlei; Omar, Ali H.; Torres, Omar (Frontiers Media S.A., 2019-07-23)
      The Plankton, Aerosol, Clouds, ocean Ecosystem (PACE) mission presents new opportunities and new challenges in applying observations of two complementary multi-angle polarimeters for the space-based retrieval of global ...
    • Vertical profiles of droplet size distributions derived from cloud-side observations by the research scanning polarimeter: Tests on simulated data 

      Alexandrov, Mikhail D.; Miller, Daniel J.; Rajapakshe, Chamara; Fridlind, Ann; Diedenhoven, Bastiaan van; Cairns, Brian; Ackerman, Andrew S.; Zhang, Zhibo (Elsevier, 2020-02-25)
      The Research Scanning Polarimeter (RSP) is an airborne along-track scanner measuring the polarized and total reflectances with high angular resolution. It allows for accurate characterization of liquid water cloud droplet ...