Observational evidence of the combined influence of atmospheric circulations and local factors on near-surface meteorology in Dagze Co basin, inner Tibetan Plateau | |
Yang, W (Yang, Wei)1,2; Wang, YJ (Wang, Yongjie)1; Guo, XF (Guo, Xiaofeng)3 | |
刊名 | INTERNATIONAL JOURNAL OF CLIMATOLOGY
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2018-03-30 | |
卷号 | 38期号:4页码:2056-2066 |
关键词 | Energy-balance Climate-change Air-temperature Mass-balance High Asia Glacier Precipitation Dynamics Lakes Variability |
ISSN号 | 0899-8418 |
DOI | 10.1002/joc.5316 |
英文摘要 | Based on meteorological observations of three automatic weather stations (AWSs), spanning an altitudinal range of 1400 m from 4480 to 5880 m above sea level (m a.s.l.) during August 2015 to August 2016, this study presents a description of the spatio-temporal characteristics of the near-surface meteorology of the Dagze Co (lake) basin in the interior of the Tibetan Plateau. We also investigated the influence of synoptic atmospheric systems and local factors on the meteorological characteristics. We found that the onset and withdrawal of the South Asian summer monsoon triggered seasonal shift in meteorological variables including wind direction, precipitation, and relative humidity. In addition, the magnitude of various meteorological factors during the monsoonal period is clearly associated with the intensity of the South Asian summer monsoon, which subsequently controls the lake water budget of Dagze Co. Moreover, both the local topography and the existence of the lake contribute significantly to the altitudinal variation of several meteorological factors. For example, the orographic precipitation near the glaciated area at 5880 m a.s.l. was about three times greater than in the area adjacent to the lake. The dominating katabatic wind over these glaciated areas weakens the up-valley wind and consequently wind speed tends to decrease with increasing elevation during the monsoonal season. In addition, different levels of cloudiness between the low-altitude lake and the glaciated mountain area contribute to a 40-50% reduction in incoming short-wave radiation receipt. Our observations will hopefully contribute to future glacio-hydrological studies and will help to evaluate statistically/dynamically downscaled climate fields in the interior of Tibetan Plateau which contains numerous lakes and glaciers. |
学科主题 | 地理学 |
WOS研究方向 | Meteorology & Atmospheric Sciences |
语种 | 英语 |
出版者 | WILEY |
WOS记录号 | WOS:000427011700033 |
内容类型 | 期刊论文 |
源URL | [http://ir.itpcas.ac.cn/handle/131C11/8699] ![]() |
专题 | 青藏高原研究所_图书馆 |
通讯作者 | Yang, W (Yang, Wei) |
作者单位 | 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Bldg 3,Courtyard 16,Lincui Rd, Beijing 100101, Peoples R China; 2.Chinese Acad Sci, CAS Ctr Excellence & Innovat Tibetan Plateau Eart, Beijing, Peoples R China; 3.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing, Peoples R China. |
推荐引用方式 GB/T 7714 | Yang, W ,Wang, YJ ,Guo, XF . Observational evidence of the combined influence of atmospheric circulations and local factors on near-surface meteorology in Dagze Co basin, inner Tibetan Plateau[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2018,38(4):2056-2066. |
APA | Yang, W ,Wang, YJ ,&Guo, XF .(2018).Observational evidence of the combined influence of atmospheric circulations and local factors on near-surface meteorology in Dagze Co basin, inner Tibetan Plateau.INTERNATIONAL JOURNAL OF CLIMATOLOGY,38(4),2056-2066. |
MLA | Yang, W ,et al."Observational evidence of the combined influence of atmospheric circulations and local factors on near-surface meteorology in Dagze Co basin, inner Tibetan Plateau".INTERNATIONAL JOURNAL OF CLIMATOLOGY 38.4(2018):2056-2066. |
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