念青唐古拉山冰川高程变化的ICESat监测Glacier elevation changes monitoring in Nyainqêntanglha Range using ICESat
莫琪,刘少创,马友青,李明磊
摘要(Abstract)：
针对青藏高原冰川高程变化研究较少的问题,该文提出一种大范围区域的冰川高程变化监测方法。基于ICESat激光高度计数据,联合利用SRTM DEM数据,计算念青唐古拉山脉冰川的高程变化,进而反演冰川的冰量变化。结果显示,念青唐古拉山冰川高程在2003—2009年间平均减薄速率为(0.53±0.47)(m·a~(-1)),估算得到冰量年均减少(0.32±0.28)km~3,总体呈逐年减少趋势,证明冰川一直处于消融状态。拉萨和当雄气象站的资料表明,冰川消融主要是由于当地气温升高。
关键词(KeyWords)： 冰川高程变化;ICESat;激光测高;航天飞机雷达地形测图计划;念青唐古拉山脉冰川
基金项目(Foundation): 国家自然科学基金项目(41601494)
作者(Author): 莫琪,刘少创,马友青,李明磊
DOI: 10.16251/j.cnki.1009-2307.2018.04.009
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