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This article describes the upgraded PALS instrument and the characteristics of data acquired from the Cloud Land Atmospheric Interaction Campaign (CLASIC) 2007. The data acquired over lake passes were used to remove the radiometer calibration bias. The calibrated radiometer data showed significant consistency with the L-band land emission model for soil surfaces published in the literature. We observed...
Validation is an important and particularly challenging task for passive microwave remote sensing of soil moisture from Earth orbit. As part of the Advance Microwave Scanning Radiometer-E (AMSR-E) validation programs networks of dedicated validation sites were developed. Measurements have been made on a continuous basis since 2002. The NASA and JAXA standard soil moisture products were compared to...
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