摘要
摘要!利用意大利国际理论物理研究中心（ICTP）发展的耦合了气溶胶模块的最新版区域气候模式RegCM4／Aerosol，选用全球大气研究排放源（EDGAR）和亚洲区域排放源（REAS）分别对中国地区进行了1a的数值积分，分析了上述2种气溶胶排放源对模拟中国地区气溶胶光学厚度（AOD）、浓度和干湿沉降分布的影响。结果表明，2种排放源对硫酸盐气溶胶（SO2）量级和分布的模拟基本一致。在西南和华北2个源区，2种排放源模拟的SO2浓度均高达100μg/m3。由于EDGAR排放源中黑碳（Bc）和有机碳（0c）排放量级较小，模拟的中国地区BC和OC浓度均比REAS排放源模拟值偏小50～100倍左右，对应其模拟的BC和OC干（湿）沉降通量也比REAS排放源模拟结果偏低50—100倍左右。东亚气溶胶模拟中，REAS排放源优于EDGAR排放源。
An aerosol module developed by the Abdus Salam Intemational Center for Theoretical （ICTP）coupled with a regional climate model of the latest version 4 （RegCM4）was used for one-year integration of the aerosol distribution in China with two emission inventories, among others, one from the emission database of the global atmospheric research （EDGAR）, the other from the regional emission inventory in Asia （REAS）. Result of the study showed that simulation of SOz concentration by inventories of both EDGAR and REAS was more than 100 μg/m3 in southwest China and north China; on the other hand, due to the low emissions of BC （black carbon）and OC （organic carbon）in EDGAR inventory, the simulated concentrations of BC and OC was also lower than those simulated by use of REAS, as were the deposition fluxes of BC and OC. So, in general, REAS inventory was better than EDGAR inventory in simulation of aerosol in China.
出处
《环境科学与技术》
CAS
CSCD
北大核心
2013年第8期187-193,共7页
Environmental Science & Technology
关键词
气溶胶
排放源
区域气候模式
数值模拟
aerosol
emission inventory
regional climate model
numerical simulation
