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Glacier Changes on the Qiangtang Plateau between 1976 and 2015: A Case Study in the Xainza Xiegang Mountains
Alternative Title1976-2015年羌塘高原冰川变化遥感分析:以申扎杰岗为例
Nie Y(聂勇); Yang C(杨超); Zhang YL(张镱锂); Liu LS(刘林山); Xu X(徐霞)
Corresponding Author聂勇
Source PublicationJournal of Resources and Ecology

羌塘高原的申扎县处于青藏高原的气候和生态环境过渡带,该区域对环境变化非常敏感。冰川是该区域重要的土地覆被类型之一,也是重要的淡水资源。目前对该区域冰川的最新状况和时空变化的理解非常有限。本研究选用6期陆地卫星遥感影像,完成了2015年申扎杰岗山脉冰川调查及1976~2015年间冰川时空变化分析。结果显示:2015年研究区有131条冰川(74.59±5.25 km~2),主要分布在海拔5600–6000 m。1976–2015年,研究区冰川面积退缩了24.98%(24.83 km~2),冰川分裂导致冰川总条目增加了12条。据估算,过去的39年冰川退缩导致11.77×10~8 m~3的冰川水资源损耗。冰川在不同的子流域、坡向和海拔段存在显著的变化差异。气候变暖是冰川持续退缩的关键驱动因子。本研究构建的数据集可为羌塘高原的气候、生态和环境变化研究提供重要的支持。 


Xainza County on the Qiangtang Plateau (QP) spans a transitionally climatic and eco-environmental zone and is therefore a very sensitive region. Glaciers in this area are one of the most important kinds of land cover as well as key water resources, yet our understanding of their current status and spatio-temporal change remains limited. Using Landsat images, this study investigated the current distribution of glaciers (2015) in the Xainza Xiegang Mountains as well as the spatio-temporal changes that took place over six time periods between 1976 and 2015. Results show that, in 2015, 131 glaciers covered a total area of 74.59 5.25 km~2, mainly located between 5,600 and 6,000 m above sea level (a.s.l). Between 1976 and 2015, the total number of glaciers increased by 12,while their areas decreased by 24.98% (24.83 km~2). Glacial retreat has induced a loss of water resources of 11.77 * 10~8 m~3 over the last 39 years, while spatial heterogeneities in glacial changes across various sub-basins, aspects,and altitudinal zones are also clearly observed. Climate warming is the key factor driving this continuous glacial retreat; the high-quality dataset presented in this paper for the Xainza Xiegang study area is crucial for the ongoing assessment of climatic and eco-environmental changes.

KeywordGlacier Water Resources Remote Sensing Landsat Images Qiangtang Plateau
Subject AreaP343.6
Indexed ByCSCD
Funding OrganizationNational Natural Science Foundation of China(41571104,41101082) ; the Key Foundation Project of Basic Work of the Ministry of Science and Technology of China(2012FY111400) ; China Scholarship Council(20140491029)
Citation statistics
Cited Times:5[CSCD]   [CSCD Record]
Document Type期刊论文
Recommended Citation
GB/T 7714
Nie Y,Yang C,Zhang YL,et al. Glacier Changes on the Qiangtang Plateau between 1976 and 2015: A Case Study in the Xainza Xiegang Mountains[J]. Journal of Resources and Ecology,2017,8(1):97-104.
APA Nie Y,Yang C,Zhang YL,Liu LS,&Xu X.(2017).Glacier Changes on the Qiangtang Plateau between 1976 and 2015: A Case Study in the Xainza Xiegang Mountains.Journal of Resources and Ecology,8(1),97-104.
MLA Nie Y,et al."Glacier Changes on the Qiangtang Plateau between 1976 and 2015: A Case Study in the Xainza Xiegang Mountains".Journal of Resources and Ecology 8.1(2017):97-104.
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