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• CN 62-1072/P
• ISSN 1000-0240
• 创刊于1979年
• 主管单位：中国科学院
• 主办单位：中国科学院寒区旱区
•                  环境与工程研究所
•                  中国地理学会

• 冰冻圈变化 •

### 玉龙雪山白水河1号冰川消融期表面流速特征分析

1. 1. 西北师范大学
2. 中国科学院西北生态环境资源研究院
3. 兰州大学
4. 兰州大学
• 收稿日期:2017-02-02 修回日期:2017-05-31 出版日期:2018-03-14
• 通讯作者: 张松林
• 基金资助:

### Analysis of surface flow velocity on the Baishui Glacier No.1 during ablation period in the Yulong Snow Mountain

1.
• Received:2017-02-02 Revised:2017-05-31 Online:2018-03-14
• Supported by:

Abstract: On July 15, 2016, 16 stakes were set up on the surface of the Baishui Glacier No.1 in Yulong Snow Mountain, in order to establish a network for survey glacial movement velocity Handheld difference GPS, TrimbleGeoXT, was used to survey the positions of these stakes. The displacement data of these stakes, from July to October in 2016, were collected and analyzed. The results show that: (1) in a transverse profile the velocity of glacier flow was larger in the mainstream line than that in both sides; in a longitudinal profile, the velocity of glacier flow gradually decreased  from the terminus to the firn basin, which was different with general mountain glaciers; in the direction of glacier movement, the velocity vector is mostly moving down along the mainstream line or slightly off the mainstream line; (2) the flow velocity of the glacier was not synchronized with the change of the ablation speed of the glacier, having a lag; (3) the strongly developed ice crevasses divided the ice bodies, affecting the overall flow of the glacier and making the flow of the glacier more special; (4) the retreat speed of the glacier terminal will continue to accelerate and the retreat  trend will continue.

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