High-resolution simulation of Asian monsoon response to regional uplift of the Tibetan Plateau with regional climate model nested with global climate model
High-resolution simulation of Asian monsoon response to regional uplift of the Tibetan Plateau with regional climate model nested with global climate model
复制标题
区域气候模式与全球气候模式嵌套高分辨率模拟亚洲季风对青藏高原区域隆升的响应
DOI：
10.1016/j.gloplacha.2018.07.002
复制
发表时间：
2018
影响因子：
3.9
通讯作者：
Jianqi Sun
中科院分区：
文献类型：
--
作者：
Entao Yu;Ran Zhang;Dabang Jiang;Gilles Ramstein;Zhongshi Zhang;Jianqi Sun
结果表明，包括青藏高原在内的亚洲地形的存在分别增强了印度夏季风和东亚夏季风。青藏高原中南部和西部的抬升引起了印度和东亚季风降水的不同步响应，而喜马拉雅山脉、戈壁阿尔泰山和蒙古高原的存在增加了ISM和EASM降水。TP抬升引起的中国东南部夏季风降水增强是由强水汽输送、水汽辐合和上升运动引起的。印度和东亚冬季风（IWM和EAWM）对TP抬升的响应呈非同步变化；EAWM得到加强，而IWM则相反。该研究进一步揭示了亚洲季风对青藏高原区域隆升的响应，并强调了在全球气候模式中嵌套高分辨率区域气候模式模拟的重要性。
Using the high-resolution regional climate model–Weather Research and Forecasting model(WRF)–nested within the National Center for Atmospheric Research Community Atmosphere Model(CAM4), a set of sensitivity experiments were conducted to investigate the Asian climate response to the regional uplift of the Tibetan Plateau (TP). The results indicated that the presence of Asian orography, including the TP, strengthened both the Indian and East Asian summer monsoon (ISM and EASM), respectively. The uplift of the central-southern TP and western TP caused an asynchronous response of monsoon precipitation over India and East Asia, while the presence of the Himalayan mountains, Gobi Altai mountains, and Mongolian Plateau increased both ISM and EASM precipitation. The enhanced summer monsoon precipitation over southeastern China due to the TP uplift was caused by strong water vapor transportation, vapor convergence and ascending movement. The Indian and East Asian winter monsoons (IWM and EAWM), however, showed asynchronous change in response to the TP uplift; the EAWM was strengthened, but the opposite holds for the IWM. This study provides further understanding of the response of Asian monsoons to the regional uplift of the TP and emphasizes the importance of high-resolution regional climate model simulation nested within global climate model.