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Alternative TitleThe Relationship Between the Difference of Air and Ground and the Precipitation during June to September in Eastern Qinghai-Xizang Plateau
汶林科1,2; 崔鹏1,2; 向灵芝1,2; 方华1,2
Source Publication冰川冻土
Contribution Rank1
Other AbstractBased on the data of daily precipitation,air temperature,ground temperature from 17 regular weather stations in the middle and east of Tibet Plateau,and by EOF analysis,the relationships between the difference of air and ground and the precipitation during June to September in middle and east Tibet were analyzed.The results show that the difference between the air and ground during May of over the central Qinghai-Xizang Plateau relates closely to the first eigenvector weight time series(EOF1) of the monsoon precipitation for the eastern part of the Plateau from June to September.At the Amdo site,the correlation coefficient exceeds 0.7,and the correlation between the EOF1 and the average of the difference at five sites(Amdo,Bange,Wudaoliang,Tuotuohe and Gaize) over the central Qinghai-Xizang Plateau can exceed 0.80.Due to sensible heat is closely related to the the difference between air and ground,this relationship suggests a mechanism of more the sensible heat flux in central Qinghai-Xizang Plateau during May causing stronger cyclonic flow and low vortices in this area,resulting in more precipitation during the monsoon season on the eastern Plateau.From May to August,1979,for example,this sensible heat effect can account for more than half of the precipitation.
Keyword地温 降水 感热通量 青藏高原
Indexed ByCSCD
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Document Type期刊论文
Corresponding Author汶林科
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
汶林科,崔鹏,向灵芝,等. 西藏东部6-9月降水与中部地-气温差的关系[J]. 冰川冻土,2011,7(3):300-308.
APA 汶林科,崔鹏,向灵芝,&方华.(2011).西藏东部6-9月降水与中部地-气温差的关系.冰川冻土,7(3),300-308.
MLA 汶林科,et al."西藏东部6-9月降水与中部地-气温差的关系".冰川冻土 7.3(2011):300-308.
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