Arid
DOI10.3319/TAO.2010.08.09.01(TibXS)
Present-Day Lake Level Variation from Envisat Altimetry over the Northeastern Qinghai-Tibetan Plateau: Links with Precipitation and Temperature
Lee, Hyongki1; Shum, C. K.1; Tseng, Kuo-Hsin1; Guo, Jun-Yi1; Kuo, Chung-Yen2
通讯作者Lee, Hyongki
会议名称International Workshop on Gravity, GPS and Satellite Altimetry Observations of Tibet
会议日期AUG 20-22, 2009
会议地点Urumqi, PEOPLES R CHINA
英文摘要

Lakes in permafrost regions are highly sensitive to changes in air temperature, snowmelt, and soil frost. In particular, the Qinghai-Tibetan Plateau (QTP) is one of the most sensitive regions in the world influenced by global climate change. In this study, we use retracked Enivsat radar altimeter measurements to generate water level change time series over Lake Qinghai and Lake Ngoring in the northeastern QTP and examine their relationships with precipitation and temperature changes. The response of water levels in Lake Qinghai and Lake Ngoring is positive with regards to precipitation amount. There is a negative relationship between water level and temperature change. These findings further the idea that the arid and high-elevation lakes in the northeastern QTP are highly sensitive to climate variations. Water level increases in Lake Qinghai in winter may indicate inputs of subsurface water associated with freeze-thaw cycles in the seasonally frozen ground and the active layer.


英文关键词Qinghai-Tibetan Plateau Lake water level Climate variations
来源出版物TERRESTRIAL ATMOSPHERIC AND OCEANIC SCIENCES
ISSN1017-0839
出版年2011
卷号22
期号2
页码169-175
出版者CHINESE GEOSCIENCE UNION
类型Article;Proceedings Paper
语种英语
国家USA;Taiwan
收录类别SCI-E ; CPCI-S
WOS记录号WOS:000289592200008
WOS关键词TOPEX/POSEIDON ALTIMETRY ; RETRACKING ALGORITHM ; PROCESSING SCHEME ; RADAR ALTIMETER ; WATER-BALANCE ; ARCTIC LAKES ; AMAZON BASIN ; SURFACE ; CHINA ; DEPTH
WOS类目Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Oceanography
WOS研究方向Geology ; Meteorology & Atmospheric Sciences ; Oceanography
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/300295
作者单位1.Ohio State Univ, Sch Earth Sci, Div Geodet Sci, Columbus, OH 43210 USA;
2.Natl Cheng Kung Univ, Dept Geomat, Tainan 70101, Taiwan
推荐引用方式
GB/T 7714
Lee, Hyongki,Shum, C. K.,Tseng, Kuo-Hsin,et al. Present-Day Lake Level Variation from Envisat Altimetry over the Northeastern Qinghai-Tibetan Plateau: Links with Precipitation and Temperature[C]:CHINESE GEOSCIENCE UNION,2011:169-175.
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