| 中国各季节气候对热盐环流减弱的不同响应 |
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| 引用本文： | 程军,刘征宇,张福颖,郭品文,杨洋.中国各季节气候对热盐环流减弱的不同响应[J].南京气象学院学报,2011,34(6):653-661. |
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| 作者姓名： | 程军 刘征宇 张福颖 郭品文 杨洋 |
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| 作者单位： | 1. 南京信息工程大学气象灾害省部共建教育部重点实验室,江苏南京,210044
2. Center;for;Climatic;Research;and;Department;Atmospheric;and;Oceanic;Sciences,;University;ofWisconsin-Madison,Madison;WI53706;,USA |
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| 基金项目： | 公益性行业(气象)科研专项(GYHY(QX)201106002); 国家自然科学基金资助项目(41005048); 江苏高校优势学科建设工程资助项目 |
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| 摘 要： | 使用CCSM3（community climate system model version 3）模式的＂淡水扰动试验＂结果,对热盐环流强度减弱后中国区域冬、夏气候的不同响应特征进行了研究。结果表明：CCSM3可较为准确地再现中国附近区域表面气温及降水量的量值和分布形态。当热盐环流年平均强度减弱约80%之后,中国区域冬、夏季的表面气温与降水量显著降低,但冬、夏季的降低幅度与空间分布形态存在显著的差异。冬季的降温幅度较大且分布较为一致,平均降温幅度可达2.2℃,最大的降温幅度可达4℃;夏季的降温幅度相对较小且南北差异较大,平均降温幅度为1.3℃,最大的降温幅度为3℃。冬、夏季降水量的降低幅度都在6%左右,但其成因及其分布形态都存在显著差异。
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| 关 键 词： | 中国气候 热盐环流 减弱 冬、夏季 淡水扰动 |
Different seasonal responses of the climate to thermohaline circulation weakening in China |
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| CHENG Jun,LIU Zheng-yu,ZHANG Fu-ying,GUO Pin-wen,YANG Yang.Different seasonal responses of the climate to thermohaline circulation weakening in China[J].Journal of Nanjing Institute of Meteorology,2011,34(6):653-661. |
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| Authors: | CHENG Jun LIU Zheng-yu ZHANG Fu-ying GUO Pin-wen YANG Yang |
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| Institution: | CHENG Jun1,LIU Zheng-yu2,3,ZHANG Fu-ying1,GUO Pin-wen1,YANG Yang1 (1.Key Laboratory of Meteorological Disaster of Ministry of Education,NUIST,Nanjing 210044,China,2.Center for Climatic Research and Department Atmospheric and Oceanic Sciences,University of Wisconsin-Madison,Madison WI53706,USA,3.Laboratory for Climate and Ocean-Atmosphere Studies,School of Physics,Peking University,Beijing 100871,China) |
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| Abstract: | In a water-hosing experiment by using model CCSM3,different seasonal responses of the climate to the weakening of thermohaine circulation(THC) in China are studied.Results show that CCSM3 can reasonably represent the magnitude and pattern of the surface air temperature(SAT) and precipitation in China.Both SAT and precipitation decrease significantly in winter and summer after reducing annual mean THC intensity by 80%,but the magnitude and pattern of decreased SAT and precipitation are quite different in sum... |
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| Keywords: | climate in China thermohaline circulation weakening winter/summer freshwater perturbation |
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