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学科主题: 地理学::自然地理学
题名: Quantifying evaporation and its decadal change for Lake Nam Co, central Tibetan Plateau
作者: Lazhu (Lazhu)1, 2; Yang, K (Yang, Kun)1, 3; Wang, JB (Wang, Junbo)1, 3; Lei, YB (Lei, Yanbin)1, 3; Chen, YY (Chen, Yingying)1, 3; Zhu, LP (Zhu, Liping)1, 3; Ding, BH (Ding, Baohong)1; Qin, J (Qin, Jun)1
通讯作者: Yang, K
刊名: JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
发表日期: 2016
DOI: 10.1002/2015JD024523
卷: 121, 期:13, 页:7578-7591
收录类别: SCI
合作性质: 国内
文章类型: Article
英文摘要: Most lakes in the interior Tibetan Plateau have expanded rapidly since the late 1990s. Because of a lack of observations, lake water balances and their changes are far from well understood. Evaporation is a component of the lake water balance, and this study quantifies its magnitude, decadal change, and its contribution to the water balance changes in Lake Nam Co, one of the largest lakes on the Tibetan Plateau (with an area of approximately 2000km(2) and a mean depth of approximately 40m). The lake temperature and the evaporation are simulated by the Flake model. The simulation results are validated against observed lake temperature profile from 2013 and Moderate Resolution Imaging Spectroradiometer lake surface temperature data from 2000 to 2014. The simulated latent heat flux and sensible heat flux are validated against Bowen ratio-derived estimates for 2013. Based on the validated simulation results, the long-term mean annual evaporation is approximately 83269mm, and this value is much less than the potential evaporation estimated using the Penman-Monteith equation. The annual evaporation from 1980 to 2014 displays a complex decadal oscillation, mainly due to the changes in energy-related terms (air temperature and radiation). The mean lake evaporation since the late 1990s is greater than previous periods; thus, this change in evaporation has suppressed the recent expansion of Nam Co.
语种: 英语
WOS记录号: WOS:000380730500005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7657
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, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China

Recommended Citation:
Lazhu ,Yang, K ,Wang, JB ,et al. Quantifying evaporation and its decadal change for Lake Nam Co, central Tibetan Plateau[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2016,121(13):7578-7591.
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