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几年来我国气候年际变异和短期气候预测研究的一些新成果 被引量:35
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作者 王会军 孙建奇 +2 位作者 郎咸梅 陈丽娟 符伟伟 《大气科学》 CSCD 北大核心 2008年第4期806-814,共9页
为了热烈庆祝中国科学院大气物理研究所成立80周年(1928~2008年),作者谨就五年来中国科学院大气物理研究所的科学家们完成的关于我国气候变异和气候预测方面的研究工作若干新成果作一些非常概要性的介绍,个中也包含一点所外科学家的工... 为了热烈庆祝中国科学院大气物理研究所成立80周年(1928~2008年),作者谨就五年来中国科学院大气物理研究所的科学家们完成的关于我国气候变异和气候预测方面的研究工作若干新成果作一些非常概要性的介绍,个中也包含一点所外科学家的工作。不周和不当之处只有请读者海涵和批评指正了。本文介绍的主要进展有三个方面:关于我国气候年际变异的研究、ENSO预测研究和数值气候预测研究。 展开更多
关键词 气候年际变异 气候预测 东亚季风
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Global Climate Internal Variability in a 2000-year Control Simulation with Community Earth System Model(CESM) 被引量:13
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作者 WANG Zhiyuan LI Yao +1 位作者 LIU Bin LIU Jian 《Chinese Geographical Science》 SCIE CSCD 2015年第3期263-273,共11页
Using the low-resolution (T31, equivalent to 3.75°× 3.75°) version of the Community Earth System Model (CESM) from the National Center for Atmospheric Research (NCAR), a global climate simulation ... Using the low-resolution (T31, equivalent to 3.75°× 3.75°) version of the Community Earth System Model (CESM) from the National Center for Atmospheric Research (NCAR), a global climate simulation was carried out with fixed external forcing factors (1850 Common Era. (C.E.) conditions) for the past 2000 years. Based on the simulated results, spatio-temporal structures of surface air temperature, precipitation and internal variability, such as the E1 Nifio-Southem Oscillation (ENSO), the Atlantic Multi-decadal Oscilla- tion (AMO), the Pacific Decadal Oscillation (PDO), and the North Atlantic Oscillation (NAO), were compared with reanalysis datasets to evaluate the model performance. The results are as follows: 1) CESM showed a good performance in the long-term simulation and no significant climate drift over the past 2000 years; 2) climatological patterns of global and regional climate changes simulated by the CESM were reasonable compared with the reanalysis datasets; and 3) the CESM simulated internal natural variability of the climate system performs very well. The model not only reproduced the periodicity of ENSO, AMO and PDO events but also the 3-8 years vari- ability of the ENSO. The spatial distribution of the CESM-simulated NAO was also similar to the observed. However, because of weaker total irradiation and greenhouse gas concentration forcing in the simulation than the present, the model performances had some differences from the observations. Generally, the CESM showed a good performance in simulating the global climate and internal natu- ral variability of the climate system. This paves the way for other forced climate simulations for the past 2000 years by using the CESM. 展开更多
关键词 Community Earth System Model (CESM) climate simulation past 2000 years climate system intemal variability
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Interannual Climate Variability of the Past Millennium from Simulations
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作者 YANG Kai-Qing JIANG Da-Bang 《Atmospheric and Oceanic Science Letters》 CSCD 2015年第3期160-165,共6页
The interannual variability of global temperature and precipitation during the last millennium is analyzed using the results of ten coupled climate models participating in the Paleoclimate Modelling Intercomparison Pr... The interannual variability of global temperature and precipitation during the last millennium is analyzed using the results of ten coupled climate models participating in the Paleoclimate Modelling Intercomparison Project Phase 3. It is found that large temperature(precipitation) variability is most dominant at high latitudes(tropical monsoon regions), and the seasonal magnitudes are greater than the annual mean. Significant multi-decadal-scale changes exist throughout the whole period for the zonal mean of both temperature and precipitation variability, while their long-term trends are indistinctive. The volcanic forcings correlate well with the temperature variability at midlatitudes, indicating possible leading drivers for the interannual time scale climate change. 展开更多
关键词 interannual variability volcanic impacts last millennium
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