A Surface Freeze-Thaw Cycle Detecting Framework Based on Passive Microwave Data for the Alpine Zone: A Case Study of Three River Source Region in the Qinghai-Tibetan Plateau

The freeze-thaw cycle of near-surface soils significantly affects energy and water exchanges between the atmosphere and land surface. Passive microwave remote sensing is commonly used to observe the freeze-thaw state. However, existing algorithms face challenges in accurately monitoring near-surface...

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Veröffentlicht in:	IEEE journal of selected topics in applied earth observations and remote sensing 2025-01, Vol.18, p.25-37
Hauptverfasser:	Wen, Bo, Zhang, Tingbin, Zhou, Xiaobing, Chen, Dongmei, Yi, Guihua, Li, Jingji, Bie, Xiaojuan, Hu, Jiao, Liu, Xian
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Advanced microwave scanning radiometer 2 (AMSR-2) Algorithms Alpine environments alpine zone Brightness temperature Climate change Energy capture Environmental monitoring Error reduction Freeze thaw cycles Freeze-thawing Freezing Frozen ground Horizontal polarization Ice accretion Microwave sensors Monitoring Parameterization passive microwave remote sensing Permafrost Radiometers Remote sensing Rivers Scanning thermal microscopy Soil Soil depth Soil improvement Soil measurements soil surface freeze/thaw Soil surfaces Soil water Surface radiation temperature Surface topography Temperature distribution Thawing Water monitoring
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