Analysis of relations between aerosol optical depth and cloud parameters over land and offshore area of Eastern China and America

Yi-Lun Chen; Yun-Fei Fu; Yuan-Jian Yang; Ao-Qi Zhang

doi:10.1117/12.2069146

8 November 2014 Analysis of relations between aerosol optical depth and cloud parameters over land and offshore area of Eastern China and America

Yi-Lun Chen, Yun-Fei Fu, Yuan-Jian Yang, Ao-Qi Zhang

Author Affiliations +

Proceedings Volume 9259, Remote Sensing of the Atmosphere, Clouds, and Precipitation V; 92591N (2014) https://doi.org/10.1117/12.2069146
Event: SPIE Asia-Pacific Remote Sensing, 2014, Beijing, China

Abstract

As we know, China is the largest developing country and the United State (US) is one of the most developed countries of the world. Due to significant differences of the developmental levels between China and the US, different pollutants emissions may be performed. It is found that aerosol optical depth (AOD) over China is much higher than that over America. Since China and the US locate in westerly wind belts, it is feasible to examine the relationship between different AOD and cloud parameters over land and offshore area of the two countries. In this paper, cloud effective radius (CER), liquid water path (LWP) and AOD derived from the Moderate Resolution Imaging Spectroradiometer (MODIS) and circulations supplied by NCEP/NCAR reanalysis data from 2000 to 2013 are employed to explore the relationships between AOD and CER under different LWP levels. Results indicate that there is a clear negative relationship between AOD and CER in different LWP levels over the offshore area contrary to the insignificant relationship over land or the open sea. It suggests that aerosol indirect effects are more obvious over the offshore area.

Citation Download Citation

Yi-Lun Chen, Yun-Fei Fu, Yuan-Jian Yang, and Ao-Qi Zhang "Analysis of relations between aerosol optical depth and cloud parameters over land and offshore area of Eastern China and America ", Proc. SPIE 9259, Remote Sensing of the Atmosphere, Clouds, and Precipitation V, 92591N (8 November 2014); https://doi.org/10.1117/12.2069146

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