Brief communication: Identification of tundra topsoil frozen/thawed state from SMAP and GCOM-W1 radiometer measurements using the spectral gradient method
Konstantin Muzalevskiy,Zdenek Ruzicka,Alexandre Roy,Michael Loranty,and Alexander Vasiliev
Laboratory of Radiophysics of Remote Sensing, Kirensky Institute of
Physics, Federal Research Center, Krasnoyarsk Science Center of the Siberian
Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
Laboratory of Radiophysics of Remote Sensing, Kirensky Institute of
Physics, Federal Research Center, Krasnoyarsk Science Center of the Siberian
Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
Department of Geography, Colgate University, Hamilton, NY, USA
Alexander Vasiliev
Laboratory for Cartographic Modeling and Forecasting the State of
Permafrost Geosystems, Earth Cryosphere Institute, Tyumen Scientific Centre,
Siberian
Branch of the Russian Academy of Sciences, Tyumen, Russia
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A new all-weather method for determining the frozen/thawed (FT) state of soils in the Arctic region based on satellite data was proposed. The method is based on multifrequency measurement of brightness temperatures by the SMAP and GCOM-W1/AMSR2 satellites. The created method was tested at sites in Canada, Finland, Russia, and the USA, based on climatic weather station data. The proposed method identifies the FT state of Arctic soils with better accuracy than existing methods.
A new all-weather method for determining the frozen/thawed (FT) state of soils in the Arctic...
