2021唐古拉山冬克玛底地区冰川变化遥感监测.docx

唐古拉山冬克玛底地区冰川变化遥感监测
唐古拉山冬克玛底地区冰川变化遥感监测
谯程骏
（中国科学院寒区旱区环境与工程研究所寒旱区流域水文及应用生态实验室，甘肃兰州730000）
摘要利用1973年MSS 、1992年TM 、2021年ETM +、2021年TM 数字遥感影像资料以及数字高程模型（DEM ），结合第一次冰川编目资
料，
通过地理信息系统和遥感图像处理技术提取了唐古拉山冬克玛底地区不同年份的冰川分布范围。结果表明：%，%，%，%。结合气象资料和有限的野外资料进行分析，该地区冰川退宿趋势同气温升高趋势基本一致。1969年到
2021年近40年时间里， 2，%， 3， 3
。关键词唐古拉山；冰川变化；遥感； 文章编号0517－6611（2021）14－07703－03Remote Sensing Monitoring of Glacier Changes in Dongkemadi Region of Tanggula Mountain
QIAO Cheng-jun （Laboratory of Watershed Hydrology and Applied Ecology in Cold and Arid Regions ，
Cold and Arid Regions Environmental and Engineering Research Institute ，Chinese Academy of Sciences ，Lanzhou ，Gansu 730000）Abstract Based on the numeric remote sensing image data （MSS data in 1973，TM data in 1992，ETM +data in 2021，TM data in 2021）and nu-meric terrain model ，combined with the first glacier inventories data ，the glacier distribution range in Dongkemadi Region of Tanggula Mountain in different years were extracted by using GIS technology and remote sensing image processing results showed that the glaciers area in the study area had decreased by %，%，%，%from 1969to 1976，1976to 1992，1992to 2021and 2021to with the meteorological data and limited field data ，the analysis results showed that glacier shrinkage in the study area was mainly subjected to continuous temperature 1969to 2021，the glacier area had decreased 2，being %of that area in
glacier volume had decreased 3，which meant that water resources lost 3
.
Key words Tanggula Mountain ；Glacier change ；Remote sensing ；Geographic information system
基金项目
国家重点基础研究发展计划资助项目（2021CB411502）；水
利部公益性行业科研专项经费项目（2021SHZ1-46）资助。作者简介谯程骏（1983－），男，四川什邡人，在读硕士，从事水文水资
源以及冰川变化的研究。E