区域气候模式CWRF对东亚冬季风气候特征的模拟

王冰笛; 李清泉; 沈新勇; 董李丽; 汪方; 王涛; 梁信忠

doi:10.11867/j.issn.1001-8166.2020.025

地球科学进展 >

2020 , Vol. 35 >Issue 3: 319 - 330

DOI: https://doi.org/10.11867/j.issn.1001-8166.2020.025

青藏高原综合科学考察研究

区域气候模式CWRF对东亚冬季风气候特征的模拟

王冰笛 ,
李清泉 ,
沈新勇 ,
董李丽 ,
汪方 ,
王涛 ,
梁信忠

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^1.南京信息工程大学气象灾害教育部重点实验室/气候与环境变化国际合作联合实验室/气象灾害预报预警与评估协同创新中心，江苏南京 210044
^2.国家气候中心/中国气象局气候研究开放实验室，北京 100081
^3.南方海洋科学与工程广东省实验室（珠海），广东珠海 519082
^4.沈阳区域气候中心，辽宁沈阳 110166
^5.Earth System Science Interdisciplinary Center, University of Maryland, MD, USA 207 42

王冰笛（1995-），女，江苏徐州人，硕士研究生，主要从事区域气候模式模拟研究. E-mail：1209596511@qq.com

收稿日期: 2020-01-18

修回日期: 2020-02-28

网络出版日期: 2020-04-10

基金资助

中国科学院战略性先导科技专项子课题“青藏高原热源的长期变化及其与亚非季风系统的关系”(XDA20100304);第二次青藏高原综合科学考察研究专题“亚洲水塔变化及其广域效应”(2019QZKK0208)

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Climatological Characteristics of the East Asian Winter Monsoon Simulated by CWRF Regional Climate Model

Bingdi Wang ,
Qingquan Li ,
Xinyong Shen ,
Lili Dong ,
Fang Wang ,
Tao Wang ,
Xinzhong Liang

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^1.Key Laboratory of Meteorological Disaster, Ministry of Education /Joint International Research Laboratory of Climate and Environment Change/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters，Nanjing University of Information Science and Technology，Nanjing 210044，China
^2.National Climate Center/Climate Research Open Laboratory of China Meteorological Administration，Beijing 100081，China
^3.Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)，Guangdong Province, Zhuhai 519082，China
^4.Shenyang Regional Climate Center，Shenyang 110166，China
^5.Earth System Science Interdisciplinary Center, University of Maryland, Maryland 20742，USA

Wang Bingdi (1995-), female, Xuzhou City, Jiangsu Province, Master student. Research areas include regional climate modeling research. E-mail：1209596511@qq.com

Received date: 2020-01-18

Revised date: 2020-02-28

Online published: 2020-04-10

Supported by

the Strategic Priority Research Program of Chinese Academy of Science’s Sub-project “Long-term changes of heat sources over the Qinghai-Tibet Plateau and their relationship with the Asian-African Monsoon System”(XDA20100304);The Second Tibetan Plateau Scientific Expedition and Research Program "The change of Asian water tower and its wide effect"(2019QZKK0208)

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摘要

利用1979—2016年欧洲中期天气预报中心的ERA-Interim大气再分析资料及美国国家海洋和大气管理局的ERSSTv4海表面温度资料驱动区域气候模式CWRF，对东亚冬季风气候特征进行模拟和评估。结果表明：CWRF模式能够较好地再现东亚冬季风环流的平均特征，包括低层大陆冷高压的位置、中心强度以及高低层风场的变化特征，对北风出现区域和频率的模拟也与再分析资料的结果相符。该模式模拟的中国地区的气温、降水分布与观测基本一致，水汽输送也与再分析资料吻合，来自孟加拉湾的水汽为华南降水所需的水分起着至关重要的作用。对视热源和视水汽汇的模拟结果表明，模式较好地模拟出了东亚大陆与邻近海域的热力差异。分析结果均表明，区域气候模式CWRF具备模拟东亚冬季风主要特征的能力。

关键词： 区域气候模式; 东亚冬季风; 数值模拟; CWRF; 冬季风指数

本文引用格式

王冰笛 , 李清泉 , 沈新勇 , 董李丽 , 汪方 , 王涛 , 梁信忠 . 区域气候模式CWRF对东亚冬季风气候特征的模拟[J]. 地球科学进展, 2020 , 35(3) : 319 -330 . DOI: 10.11867/j.issn.1001-8166.2020.025

Abstract

Based on the ERA-Interim atmospheric reanalysis data from the European Medium-Term Weather Forecast Center from 1979 to 2016 and the ERSSTv4 sea surface temperature data from the US National Oceanic and Atmospheric Administration, the regional climate model CWRF was used to simulate the climate characteristics in East Asia. The results show that the CWRF model can well reproduce the average characteristics of the East Asian winter monsoon circulation, including the location and intensity of the low-level continental cold high pressure and variation characteristics of wind field in high and low levels. The occurrence area and frequency of the north wind in the simulation and the reanalysis data were further calculated and compared. It is shown that they are basically consistent. The distribution of air temperature and precipitation over China are well represented by the model. The water vapor transport is also in good agreement with the reanalysis data. The water vapor from the Bay of Bengal plays a vital role in the precipitation over South China. The simulation results of apparent heat source and apparent moisture sink show that the model can well simulate the thermal difference between the East Asian continent and the adjacent sea area. The analysis results indicate that CWRF model has the ability to simulate the main characteristics of the East Asian winter monsoon.

Key words： Regional climate model; East Asian winter monsoon; Numerical simulation; CWRF; Winter monsoon index

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