Journal ArticleOpen Access
Lake level changes in the Tibetan Plateau from Cryosat-2, SARAL, ICESat, and Jason-2 altimeters
Authors
Author Affiliations
National Yang Ming Chiao Tung University, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Wuhan University
Published InTerrestrial Atmospheric and Oceanic Sciences
Year2019
Citations48
Abstract
Lake level change in the Tibetan Plateau is an important indicator for regional and global climate changes. We use altimeter data from Cryosat-2, SARAL, ICESat, and Jason-2 to detect lake level changes at different spatial and temporal resolutions over 2003 - 2017 (Jason-3 data in 2017 for validation). Cryosat-2’s SARIn mode provides precise water level time series over 59 lakes. SARAL’s waveforms are retracked to generate near monthly, high-quality measurements at 31 lakes. Jason-2 provides a reference for removing inter-altimeter biases, enabling coherent records over lakes with Jason-2 passes. After a decade of rise since the ICESat record of 2003, the lake levels of Nam Co, Selin Co, Ngangzi Co, and Chibuzhang Co became flat in 2014 - 2016 and…
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