期刊
EARTH-SCIENCE REVIEWS
卷 210, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.earscirev.2020.103349
关键词
Tibetan Plateau; Elevation dependent warming; Patterns and trends; Physical mechanisms
资金
- Second Tibetan Plateau Scientific Expedition and Research (STEP) program [2019QZKK0105]
- National Natural Science Foundation of China [41971072, 41771069, 41911530187]
- Strategic Priority Research Program of Chinese Academy of Sciences [XDA20060401]
- Royal Society-Newton Mobility Grant [IEC\NSFC\181093]
The Tibetan Plateau (TP) is also known as the Third Pole. Elevation dependent warming (EDW), the phenomenon that warming rate changes systematically with elevation, is of high significance for realistically estimating warming rates and their impacts over the TP. This review summarizes studies of characteristics and mechanisms behind EDW over the TP based on multiple observed datasets and model simulations. Spatial expression of EDW and explanatory mechanisms are still largely unknown because of the lack of suitable data over the TP. The focus is on the roles played by known mechanisms such as snow/ice-albedo feed-back, cloud feedback, atmospheric water vapor feedback, aerosol feedback, and changes in land use, ozone and vegetation. At present, there is limited consensus on the main mechanisms controlling EDW. Finally, new perspectives and unresolved issues are outlined, including quantification of EDW in climate model simulations, explanation of the long-term EDW reconstructed from proxies, interaction between the Asian summer monsoon and EDW, importance of EDW for future environmental changes and water resources, and current gaps in understanding EDW over extremely high elevations. Further progress requires a more comprehensive ground observation network, greater use of remote sensing data, and high-resolution climate modeling with better representation of both atmospheric and cryospheric processes.
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