Aerosol Optical Depth and Dusty Weather over Eastern China Seas in Spring of 2006" /> 2006年春季我国东部海域气溶胶光学厚度与沙尘天气
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地球科学进展  2008, Vol. 23 Issue (3): 290-298    DOI: 10.11867/j.issn.1001-8166.2008.03.0290
全球变化     
2006年春季我国东部海域气溶胶光学厚度与沙尘天气
申彦波1,2,王 标2,石广玉2
1. 中国气象局气候研究开放实验室,国家气候中心,北京 100081;2.中国科学院大气物理研究所大气科学和地球流体力学数值模拟国家重点实验室(LASG),北京 100029
Aerosol Optical Depth and Dusty Weather over Eastern China Seas in Spring of 2006
Shen Yanbo1, 2,Wang Biao2,ShiGuangyu2
1.Laboratory for Climate Studies, National Climate Center, China Meteorological Administration,Beijing 100081, China; 2. State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics (LASG), Institute of Atmospheric Physics, CAS, Beijing 100029, China

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摘要:

结合船基的太阳光度计观测资料和空基卫星遥感的MODIS气溶胶光学厚度资料,研究了我国东部海域气溶胶光学厚度与沙尘天气的关系。通过对不同天气条件下500 nm气溶胶光学厚度的分析,得出晴天(背景天气)、有云和浮尘以及只有浮尘时的平均值分别约为0.2、0.6和1.3以上;将MODIS的气溶胶光学厚度与船基观测资料进行对比之后发现,两者随时间的变化趋势非常一致,但前者在数值上明显偏高;利用订正后的MODIS资料,分析了2006年春季我国东部海域气溶胶光学厚度的时空分布特征,并与我国北方发生的沙尘天气进行了对比,发现两者之间关系密切。

关键词: 东部海域气溶胶光学厚度沙尘天气MODIS资料    
Abstract:

Combining the ship-based observational data by sunphotometer with space-based MODIS/AOD data by satellite, the relationship between AOD and dusty weather over Eastern China seas is studied in this paper. By investigation of 500nm AOD in different weather conditions, it is discovered that the mean AOD during clear day (background condition), cloudy and dusty condition, and only dusty weather are about 0.2, 0.6 and more than 1.3 respectively. By comparing the MODIS/AOD and ship-based observational data, it can be concluded that the variation of them with time are very consistent with each other, while the former is obviously larger than the latter magnitude. Using the revised MODIS/AOD data, the temporal and spatial distribution characteristics of AOD over Eastern China seas are analyzed. By comparing these characteristics with dusty weather occurring in north China, it is found that the relationship of them is very close.

 

 

Key words: Eastern China seas    Aerosol optical depth    Dusty weather    MODIS data.      
收稿日期: 2007-09-30 出版日期: 2008-03-10
:  P402  
基金资助:

国家自然科学基金重大项目“上层海洋—低层大气生物地球化学与物理过程耦合研究”(编号:40490260)第一课题“亚洲沙尘对中国近海初级生产力的影响及其气候效应”(编号:40490261);科技部国际科技合作项目“亚洲沙尘的气候与环境效应研究”(编号:2006DFA21950);中国科学院国际合作重点项目“亚洲沙尘气溶胶的辐射特性及其气候与环境效应的研究”(编号:GJHZ0620)共同资助.

通讯作者: 申彦波     E-mail: shenyb@cma.gov.cn
作者简介: 申彦波(1978-)男,河南南阳人,副研究员,主要从事沙尘的数值模拟研究.E-mail:shenyb@cma.gov.cn
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引用本文:

申彦波,王标,石广玉. 2006年春季我国东部海域气溶胶光学厚度与沙尘天气[J]. 地球科学进展, 2008, 23(3): 290-298.

Shen Yanbo,Wang Biao,ShiGuangyu. Aerosol Optical Depth and Dusty Weather over Eastern China Seas in Spring of 2006. Advances in Earth Science, 2008, 23(3): 290-298.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2008.03.0290        http://www.adearth.ac.cn/CN/Y2008/V23/I3/290

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