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学科主题: 地理学::自然地理学
题名: Estimation of lakes water storage and their changes on the northwestern Tibetan Plateau based on bathymetric and Landsat data and driving force analyses
作者: Qiao, BJ (Qiao, Baojin)1, 3; Zhu, LP (Zhu, Liping)1, 2, 3; Wang, JB (Wang, Junbo)1, 2; Ju, JT (Ju, Jianting)1; Ma, QF (Ma, Qingfeng)1; Liu, C (Liu, Chong)1, 3
通讯作者: Qiao, BJ ; Zhu, LP
关键词: MULTIMISSION SATELLITE DATA ; NAM CO BASIN ; GLACIER INVENTORY ; QUANTITATIVE-ANALYSIS ; ELEVATION CHANGES ; CLIMATE-CHANGE ; LEVEL CHANGES ; EVAPORATION ; PRECIPITATION ; EXPANSION
刊名: QUATERNARY INTERNATIONAL
发表日期: 2017
DOI: 10.1016/j.quaint.2017.08.005
卷: 454, 期:0, 页:56-67
收录类别: SCI
合作性质: 国内
文章类型: Article
类目[WOS]: Geography, Physical; Geosciences, Multidisciplinary ; Physical Geography; Geology
研究领域[WOS]: Physical Geography; Geology
英文摘要: Lake water storage changes in four lakes were analyzed based on in situ bathymetric survey data and Landsat images in the extremely dry and cold northwestern Tibetan Plateau region. The results indicated that Bangdag Co and Aksai Chin Lake, which are glacier-fed and closed lakes, showed decreasing trends from 1976 to 1996, then increasing trend from 1996 to 2015, during which period water storage increased by 1.24 km(3) and 1.37 km(3), respectively, and 65% of the water storage increase in Aksai Chin Lake during this period occurring in 2006 and 2013. Longmu Co, which is a non-glacier-fed lake, exhibited little variation from 1976 to 1996 and a slight increase of 0.1 km(3) from 1996 to 2015. The precipitation, temperature and potential evaporation (Ep) trends indicated that lake shrinkage from 1976 to 1996 was attributed to less precipitation and less meltwater at lower surface air temperatures. Decreased Ep (15.5 mm/y) contributed approximately 2% and 4% to the lake expansion of Aksai Chin Lake and Bangdag Co from 2000 to 2009. Based on the assumption of equal precipitation-evaporation for the study area, glacial meltwater contributed 76.6% to the lake expansion of Bangdag Co from 2000 to 2015. Because change in lakes' water storage showed a large difference between glacier-fed lakes and nonglacier-fed lakes from 1996 to 2015 under relatively high precipitation conditions, it is suggested that glacial meltwater exerted more influence on increasing lake water storage associated with rising temperatures. (C) 2017 Elsevier Ltd and INQUA. All rights reserved.
语种: 英语
WOS记录号: WOS:000409353200006
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7986
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

Recommended Citation:
Qiao, BJ ,Zhu, LP ,Wang, JB ,et al. Estimation of lakes water storage and their changes on the northwestern Tibetan Plateau based on bathymetric and Landsat data and driving force analyses[J]. QUATERNARY INTERNATIONAL,2017,454(0):56-67.
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