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Study of the Impact of Summer Monsoon Circulation on Spatial Distribution of Aerosols in East Asia Based on Numerical Simulations
L. B. Yan; X. D. LIU; P. YANG; Z. Y. YIN; GERALD R. NORTH
2011
Source PublicationJOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY
Volume50Issue:11Pages:2270-2282
Abstract

    The regional coupled climate–chemistry/aerosol model (RegCM3) is used to investigate the difference in the spatial distribution of aerosol optical depth (AOD) between a strong summer monsoon year (SSMY; July 2003) and a weak summer monsoon year (WSMY; July 2002) under the actual- and same-emission scenarios.It is shown that the intensity of the Asian summer monsoon is primarily responsible for the AOD spatial distribution anomaly in midsummer over East Asia. Specifically, the AOD over southern China, upwind of the Asian summer monsoon, is greater in WSMY than in SSMY, but the opposite is observed for the AOD downwind over northern China and the Korean Peninsula. The AOD spatial distribution patterns simulated on the basis of the actual emission inventories for the SSMY andWSMYdo not substantially differ from their counterparts that are based on the same emission inventory, confirming that the monsoon circulation, rather than local emissions or dry and wet deposition processes, is the predominant factor determining the regional AODdistribution. These modeling results are consistent with the analyses based on the Moderate Resolution Imaging Spectroradiometer (MODIS) products, NCAR–Department of Energy wind fields, and air parcel
movements according to the 7-day trajectories of air parcels determined by the Hybrid Single-Particle Lagrangian Integrated Trajectory model.

Subject Area大气科学
Indexed BySCI
Language英语
WOS IDWOS:000297080400007
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/2542
Collection古环境研究室
Recommended Citation
GB/T 7714
L. B. Yan,X. D. LIU,P. YANG,et al. Study of the Impact of Summer Monsoon Circulation on Spatial Distribution of Aerosols in East Asia Based on Numerical Simulations[J]. JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY,2011,50(11):2270-2282.
APA L. B. Yan,X. D. LIU,P. YANG,Z. Y. YIN,&GERALD R. NORTH.(2011).Study of the Impact of Summer Monsoon Circulation on Spatial Distribution of Aerosols in East Asia Based on Numerical Simulations.JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY,50(11),2270-2282.
MLA L. B. Yan,et al."Study of the Impact of Summer Monsoon Circulation on Spatial Distribution of Aerosols in East Asia Based on Numerical Simulations".JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY 50.11(2011):2270-2282.
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