Short-wave Direct Radiative Effect of Aerosols in the Clear-Sky over Oceans from Satellites Observations

被引：0
|
作者：
Chen, Lin [1 ]
Shi, Guang-Yu [1 ]
Zhong, Ling-Zhi [2 ]
机构：
[1] Chinese Acad Sci, Inst Atmospher Phys, LASG, Beijing, Peoples R China
[2] Chinese Acad Meteorol Sci, State Key Lab Severe Weather, Beijing, Peoples R China
来源：
2008 INTERNATIONAL WORKSHOP ON EDUCATION TECHNOLOGY AND TRAINING AND 2008 INTERNATIONAL WORKSHOP ON GEOSCIENCE AND REMOTE SENSING, VOL 1, PROCEEDINGS | 2009年
关键词：
Aerosol; Direct radiative effect; Sattelite observation; ATMOSPHERE; TOP;
D O I：
10.1109/ETTandGRS.2008.177
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Short-wave radiative flux at top of atmosphere (TOA) changes due to aerosols. The analysis provides a new measurement perspective to an aerosol radiative effect problem dominated so far by models. Short-wave radiative fluxes at TOA from a satellite measurement CERES merged with tire aerosol optical depth (AOD) from MODIS were used here to estimate direct radiative effect (DRE) of aerosols over cloud-free oceans. The results show that clear sky DRE at TOA is about 5 +/- 1.2 Wm(2) over global ocean, consistence with previous studies. The spatial distribution of aerosols A OD and DRE were clearly seen from satellite observations. The study is an independent measurement-based assessment of cloud-free aerosol radiative effect that could be used as a validation tool for numerical modeling studies.
引用
收藏
页码：567 / +
页数：2
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