Recent area and ice volume change of Kangwure Glacier in the middle of Himalayas

• 来源期刊: 科学通报(英文版)
• 学科: 地球科学
• 关键词: 喜马拉雅山 冰川变化 冰川面积 冰量 差分GPS 地质雷达 探地雷达 遥感数据
• 年，卷（期）: 2010,（20）
• 所属期刊栏目: ARTICLES
• 页码范围: 2088-2096
• 页数: 9页
• 分类号: P542.1 P343.6
• 语种: 英文

摘要

This paper calculated and evaluated the area and ice volume changes of Kangwure Glacier in Mt.Xixiabangma,middle of Himalayas in the past 3 decades,based on the field survey of glacier boundary position by differential GPS and glacier depth by Ground Penetrating Radar(GPR),together with the topographic map and remote sense data.The studied data showed that the Kangwure Glacier has experienced significant mass deficit since the 1970s,with 34.2%of area loss,48.2%ofice volume loss and 7.5 m of average thickness decrease.This result revealed that the ice volume loss of Himalayan glaciers was more serious than expected.Analysis of meteorological data from two weather stations in the region of Mt.Xixiabangma,shows that the air temperature of this region has risen from the middle of the 20th century to the beginning of the 21st century.Significant retreat of Himalayas glacier driven by climatic warming will have a remarkable impact on hydrology and ecosystem.