GLACIER VELOCITY MEASUREMENTS WITH LANDSAT-8 OLI DATA: CASE STUDY ON YANONG GLACIER IN TIBETAN PLATEAU OF CHINA

被引：0
|
作者：
Zhang, Jing [1 ,2 ]
Jia, Li [1 ]
Menenti, Massimo [1 ,3 ]
Ren, Shaoting [1 ,2 ]
Zhang, Jingxiao [1 ,2 ]
机构：
[1] Chinese Acad Sci, State Key Lab Remote Sensing Sci, Inst Remote Sensing & Digital Earth, Beijing 100101, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Delft Univ Technol TUD, Fac Civil Engn & Earth Sci CITG, Post Box 5048, NL-2628 CN Delft, Netherlands
来源：
2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019) | 2019年
基金：
中国国家自然科学基金;
关键词：
Yanong glacier; cross-correlation; surface velocity; AREA;
D O I：
10.1109/igarss.2019.8898864
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Mountain glaciers are sensitive to climate change and are thus relevant indicators of regional climate variability. In order to understand the dynamics of glaciers, retrieving glacier surface velocity is valuable in understanding physical processes in glaciers. We apply an image cross-correlation algorithm in the frequency domain to derive glacier velocity on the Yanong glacier between 2013 and 2018. The results indicate that the flow patterns are related to the terrain complexity. Yanong Glacier maximum velocity was 168 m/year at the elevation around 4700 meters. The surface velocity exceeded 100 m/year above the elevation of 4200 m, while above 5000 m the surface velocity fluctuated around 60 m/year along the main stream.
引用
收藏
页码：4198 / 4201
页数：4
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