Three in one: GPS-IR measurements of ground surface elevation changes, soil moisture, and snow depth at a permafrost site in the northeastern Qinghai–Tibet Plateau
Heihe Remote Sensing Experimental Research Station, Key Laboratory of
Remote Sensing of Gansu Province, Northwest Institute of Eco-Environment and
Resources, Chinese Academy of Sciences, Lanzhou, 730000, China
College of Resources and Environment, University of Chinese Academy of
Sciences, Beijing, 100049, China
Heihe Remote Sensing Experimental Research Station, Key Laboratory of
Remote Sensing of Gansu Province, Northwest Institute of Eco-Environment and
Resources, Chinese Academy of Sciences, Lanzhou, 730000, China
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We improve the commonly used GPS-IR algorithm for estimating surface soil moisture in permafrost areas, which does not consider the bias introduced by seasonal surface vertical movement. We propose a three-in-one framework to integrate the GPS-IR observations of surface elevation changes, soil moisture, and snow depth at one site and illustrate it by using a GPS site in the Qinghai–Tibet Plateau. This study is the first to use GPS-IR to measure environmental variables in the Tibetan Plateau.
We improve the commonly used GPS-IR algorithm for estimating surface soil moisture in permafrost...
