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近50年来天山地区典型冰川厚度及储量变化
Changes of Ice-thickness and Volume for Representative Glaciers in Tianshan Mountains in the Past 50 Years

查看参考文献51篇

王璞玉 1   李忠勤 1   李慧林 1   吴利华 2   金爽 1   周平 1  
文摘 冰川储量变化与冰川水资源量变化以及冰川对河川径流的贡献量密切相关。在GPR-3S技术支持下,本研究基于雷达测厚数据、不同时期的高分辨率遥感影像、地形图及实测资料,分析了天山三个典型地区四条代表性冰川近期厚度及储量变化特征,并通过对比探讨了造成变化差异的可能原因。结果表明,1962-2006年乌鲁木齐河源1号冰川厚度平均减薄0.15ma~(-1),冰储量亏损26.2×10~6m~3,冰川末端平均退缩3.8ma~(-1);博格达峰南坡的黑沟8号冰川在1986-2009年间,冰舌平均减薄0.57ma~(-1),冰储量损失了25.5×10~6m~3,末端平均退缩11.0ma~(-1);位于博格达峰北坡的四工河4号冰川在1962-2009年间冰舌平均减薄0.32ma~(-1),冰储量亏损14.0×10~6m~3,末端平均后退8.0ma~(-1);1964-2008年间,托木尔峰青冰滩72号冰川冰舌平均减薄0.22ma~(-1),由此至少造成冰储量亏损14.1×10~6m~3,末端退缩达40.0ma~(-1)。对比分析显示,青冰滩72号冰川消融退缩最为强烈,黑沟8号冰川次之,与乌鲁木齐河源1号冰川、科其喀尔冰川相差不大,稍大于四工河4号冰川和哈密庙尔沟冰川。这种差异可能与区域气候变化和冰川物理特征有直接关系。
其他语种文摘 Changes of glacier volume is directly related to glacial water resources and contribution of glacier changes to river runoff. With the support of GPR-3S technology, this paper studied ice-thickness and volume changes of the four typical glaciers in the three areas of Tianshan Mountains in recent years based on radar survey data, high-resolution remote sensing image, topographic maps and observation data. Furthermore, a comparison was made between the changes of these glaciers and the possible causes for the differences were analyzed. Results indicated that Urumqi Glacier No.1 underwent thinning of 0.15 m a ~(-1) with the ice-volume loss of 26.2 × 10~6 m~3 and retreated by 3.8 m a ~(-1) during 1962-2006. During 1986-2009, the ice tongue of Heigou Glacier No.8 on the south slope of Mt. Bogda thinned by 0.57 m a~(-1), corresponding to the loss in ice-volume of 25.5×10~6 m~3. At the same time, the terminus retreated by 11.0 m a ~(-1). The ice-thickness of Glacier No.4 of Sigong River located on the north slope of Mt. Bogda decreased to 0.32 m a ~(-1) with an ice-volume loss of 14.0×10 ~6 m~3 over the period 1962-2009. The glacier terminus retreated by 11.0 m a ~(-1) in the same period. For Qingbingtan Glacier No.72 in the Tomor region, the ice tongue thinned by 0.22 m a ~(-1), corresponding to a loss of ice-volume of 14.1 × 10~6 m~3 during 1964-2008. The glacier terminus retreated by 40.0 m a ~(-1) in the same period. Results indicated that Qingbingtan Glacier No.72 retreated most intensively, followed by Heigou Glacier No.8, which differed slightly from Urumqi Glacier No.1 and Keqikaer Glacier. However, its changing magnitude was slightly larger than that of Glacier No.4 of Sigong River and Hami Miaoergou Glacier, indicating that such differences were directly influenced by regional climate change and physical features of glaciers.
来源 地理学报 ,2012,67(7):929-940 【核心库】
关键词 天山 ; 冰川变化 ; 冰川厚度 ; 冰川储量 ; 水资源
地址

1. 中国科学院寒区旱区环境与工程研究所天山冰川站, 冰冻圈科学国家重点实验室, 兰州, 730000  

2. 西南林业大学生态旅游学院, 昆明, 650224

语种 中文
文献类型 研究性论文
ISSN 0375-5444
学科 地球物理学
基金 中国科学院知识创新工程重要方向项目 ;  国家973计划 ;  国家自然科学基金项目
文献收藏号 CSCD:4582926

参考文献 共 51 共3页

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引证文献 16

1 谢伟 哈密地区冰川变化趋势分析 干旱区研究,2014,31(1):27-31
被引 1

2 骆书飞 近50年来中国阿尔泰山友谊峰地区冰川储量变化 干旱区资源与环境,2014,28(5):180-185
被引 1

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论文科学数据集

1. 雅弄冰川年代际和年际厚度变化数据(1975-2015)

2. 西南季风区气候与冰川演变对丽江-玉龙雪山地区资源和可持续发展的影响项目的汇交数据

3. 中国第二次冰川编目数据集(V1.0)(2006-2011)

数据来源:
国家青藏高原科学数据中心
PlumX Metrics
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