Influence of mountain orientation on precipitation isotopes in the westerly belt of Eurasia

被引：17

作者：

Chen, Longhu ^{[1
,2
,3
]}

Zhu, Guofeng ^{[1
,2
,3
]}

Wang, Qin Qin ^{[1
,2
,3
]}

Ye, Linlin ^{[1
,2
,3
]}

Lin, Xinrui ^{[1
,2
,3
]}

Lu, Siyu ^{[1
,2
,3
]}

Jiao, Yinying ^{[1
,2
,3
]}

Li, Rui ^{[1
,2
,3
]}

Meng, Gaojia ^{[1
,2
,3
]}

Wang, Yuhao ^{[1
,2
,3
]}

Yang, Jiangwei ^{[1
,2
,3
]}

Jia, Chen ^{[1
]}

机构：

[1] Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Gansu, Peoples R China

[2] Northwest Normal Univ, Shiyang River Ecol Environm Observat Stn, Lanzhou 730070, Gansu, Peoples R China

[3] Key Lab Resource Environm & Sustainable Dev Oasis, Lanzhou 730000, Peoples R China

来源：

GLOBAL AND PLANETARY CHANGE | 2024年 / 240卷

基金：

中国国家自然科学基金;

关键词：

Eurasia; Stable isotope of precipitation; Topography; Westerly wind belt; TIBETAN PLATEAU; STABLE-ISOTOPES; WATER; CLIMATE; OXYGEN; EVOLUTION;

D O I：

10.1016/j.gloplacha.2024.104543

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

Mountains have a significant impact on the transport path of water vapour and local meteorological variations. Therefore, understanding the influence mechanism of mountains on stable isotopes of precipitation is essential. In this study, we analyzed the precipitation stable isotope data within the Westerlies in the Eurasian continent. The results indicate the following: (1) East-west-oriented mountain ranges and plains play a "channelling role" in facilitating the inland penetration of westerly moisture, with this effect being more pronounced in the northern part of the Alps. Conversely, north-south-oriented mountain ranges and plateaus act as a "barrier" to westerly moisture. (2) Mountains influence stable isotopes of precipitation primarily by altering the water vapour movement paths and regulating local meteorological factors. (3) The "altitude effect" is the most common mechanism through which mountains affect local meteorological elements reflected in stable isotopes of precipitation. Furthermore, we anticipate that with global climate warming, the interaction and feedback between mountains and climate will become even more complex. This aspect deserves consideration in future research.

引用

页数：11

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