Community Development of the Snow Microwave Radiative Transfer Model for Passive, Active and Altimetry Observations of the Cryosphere

M. Sandells, G. Picard, H. Lowe, N. Maass, M. Winstrup, L. Brucker, M. Leduc-Leballeur, F. Larue, J. Aublanc, P. Thibaut, J. Murfitt

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    Abstract

    The Snow Microwave Radiative Transfer (SMRT) model was initially developed to explore the sensitivity of microwave scattering to snow microstructure for active and passive remote sensing applications. Here, we discuss the modular design of SMRT that has enabled its rapid extension by the community. SMRT can now represent a layered medium consisting of snow, land ice, lake ice and/or sea ice overlying a substrate of soil, water or parameterized by reflectivity. A time-dependent radiative transfer solution method has also been added to allow for low resolution mode altimetry applications. We illustrate the use of SMRT to simulate brightness temperature for snow on lake ice, backscatter for snow on soil and altimeter waveforms for snow on sea ice.
    Original languageEnglish
    Title of host publicationProceedings of 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS
    PublisherIEEE
    Publication date2021
    Pages852-855
    ISBN (Print)978-1-6654-0369-6
    DOIs
    Publication statusPublished - 2021
    Event2021 IEEE International Geoscience and Remote Sensing Symposium - Brussels, Belgium
    Duration: 11 Jul 202116 Jul 2021
    https://ieeexplore.ieee.org/xpl/conhome/9553015/proceeding

    Conference

    Conference2021 IEEE International Geoscience and Remote Sensing Symposium
    Country/TerritoryBelgium
    CityBrussels
    Period11/07/202116/07/2021
    Internet address
    SeriesIEEE International Geoscience and Remote Sensing Symposium Proceedings
    ISSN2153-6996

    Keywords

    • MRT
    • Radiative transfer
    • Altimetry
    • Snow
    • Ice

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