Remote Microwave Monitoring Of Saline Soils
Abstract
A complex microwave monitoring of saline soils with the example of the West Siberia steppe zone is carried out. Spatio-temporal characteristics of the microwave radiation of soils under salinization are studied. Dependences of microwave radiation of Kulunda steppe saline soils on volumetric moisture and temperature are investigated. The analysis of underlying surface radiobrightness temperatures measured from the SMOS satellite is performed. The usage of SMOS remote sensing data and the dependence of emissivity on volumetric moisture and temperature coefficients calculated from laboratory measurements of saline soils dielectric properties is proposed for remote evaluation of volumetric soil moisture. Radiobrightness temperatures of underlying surface are obtained from SMOS satellite data (product L1c) at 1.41 GHz, 42.5º calibrated in units of radiobrightness temperature. The L1c data are tied to the DGG ISEA 4H9 discrete geodetic grid
DOI 10.14258/izvasu(2017)4-09
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