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中国夏季硫酸盐气溶胶间接辐射强迫的数值模拟 预览 被引量:1

Model Study of Indirect Radiative Forcing by Sulfate Aerosol Over China in Summer
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摘要 运用发展的区域系统集成模式RIEMS,结合Slingo参数化方案,研究了中国夏季硫酸盐气溶胶对云特性(云滴有效半径)的影响及其所产生的间接辐射效应。模拟的云滴尺度分布基本合理,数值在0~10nm之间,但与卫星数据MODIS相比偏小。硫酸盐气溶胶间接辐射强迫7月平均值为-2.58W/m^2,空间变化在-10~1W/m^2之间,最大值出现在东北长白山地区,陆地上的负强迫大于海洋。间接辐射强迫与气溶胶浓度分布和云水分布有密切的关系。 Regional integrated environment modeling system (RIEMS) was developed and applied to study the effect of anthropogenic sulfate on cloud properties, such as cloud droplet effective radius, and the resulting indirect radiation forcing over China in summer. The simulated cloud droplet size was reasonably within the range of 0-10μm, and the cloud droplet size was generally smaller than that retrieved fi'om MODIS data. In July, the simulated domain-averaged indirect forcing by sulfate was about -2.58 W/m2 with a range of-10--1 W/m^2 in the study domain. The maximum forcing occurred in the area of the Changbaishan Mountain in northeast China and the forcing was larger over land than that over sea. The indirect radiative forcing was closely related to the distribution of aerosol and cloud water concentrations.
作者 吴蓬萍 韩志伟 Wu Pengping, Han Zhiwei (Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China)
出处 《中国粉体技术》 CAS 北大核心 2010年第1期 65-67,共3页 China Powder Science and Technology
基金 国家重点基础研究发展计划(973计划)项目,编号:2006CB400500 中国科学院知识创新工程重要方向项目,编号:KZCX2-YW-Q11-03.
关键词 硫酸盐气溶胶 间接辐射强迫 数值模拟 sulfate aerosol indirect radiative forcing numerical simulation
作者简介 吴蓬萍(1981-),女,博士,研究方向为气溶胶的气候效应与气溶胶的数值模拟。E-mail:wupp@tea.ac.cn。
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