Westerly-triggered lake-effect snowfall enhanced with climate warming over the Tibetan Plateau

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外文摘要：Lake-effect snowfall(LES)occurs when cold air moves across open lakes.LES is expected to occur more frequently over the TP,due to the intensified lake expansion caused by intensified global warming.Thus,there is an urgent need to comprehensively assess the LES over the TP.Here,we revealed that the LES is triggered by westerly southward shift leading to the drop in air temperature and is positively correlated with lake area,wind speed and longitude across 12 large lakes(＞300 km2)based on satellite observations and reanalysis data.Using a sensitivity model simulation,we determined that large lakes in the southern TP contributed to more than 50％of the snowfall in the downwind area in 2013.Projections indicate that the westerly-triggered LES will increase under the future RCP4.5 climate warming scenario,highlighting the importance of developing adaptive policies to address the growing risks associated with future LES.

外文关键词：

Lake-effect snowfallWesterlyTibetan PlateauClimate warming

作者：

Yufeng Dai、Tao Wang、Yongwei Sheng、Lei Wang、Hongbin Chen、Xiaowen Zhang、Xiangyu Li、Weicai Wang、Junfei Wu、Wenfeng Chen、Tandong Yao

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作者单位：

State Key Laboratory of Tibetan Plateau Earth System,Environment and Resources(TPESER),Institute of Tibetan Plateau Research,Chinese Academy of Sciences,Beijing 100101,China

Department of Geography,University of California,Los Angeles CA 90095,USA

College of Information Science and Engineering,Huaqiao University,Xiamen 361021,China

Department of Resource Management,Tangshan Normal University,Tangshan 063000,China

Department of Atmospheric Science,School of Environmental Studies,China University of Geosciences,Wuhan 430074,China

Center for Pan-third Pole Environment,Lanzhou University,Lanzhou 730000,China

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基金：

Youth Innovation Promotion Association of Chinese Academy of SciencesBasic Science Center for Tibetan Plateau Earth System

项目编号：

CAS202206741988101

出版年：

2024

DOI：

10.1016/j.scib.2024.01.042

科学通报(英文版)

中国科学院

科学通报(英文版)

CSTPCD

ISSN：1001-6538

年,卷(期)：2024.69(7)

参考文献量2