| Aerosol-cloud-precipitation relationships from satellite observations and global climate model simulations | |
| B. Q. Yi; P. Yang; Kenneth P. Bowman; X. D. Liu | |
| 2012 | |
| 发表期刊 | Journal of Applied Remote Sensing
 |
| 卷号 | 6期号:1页码:doi:10.1117/1.JRS.6.063503 |
| 合作性质 | 国际 |
| 摘要 | Substantial uncertainties exist in the current knowledge of aerosol-cloud-precipitation relationships and stem from the complicated interactions among the atmospheric constituents. We use a straightforward statistical method, the regression analysis technique, to examine the aerosol-cloud-precipitation relationships from satellite observational data sets, including the aqua moderate resolution imaging spectroradiometer (MODIS) aerosol and cloud products and the tropical rainfall measuring mission (TRMM) precipitation rate. Furthermore, the conventional MODIS aerosol product is combined with the Deep Blue algorithm product to reconstruct a complete global map of aerosol optical depth. Numerical simulations using the latest version of the community earth system model (CESM) are also carried out. Globally, distinct statistically significant relationships between aerosol optical depth, cloud fraction, and precipitation rate are obtained over both land and ocean. Signals agreeing with the first and second indirect effects of aerosols are detected, but other factors are likely contributors. The modeling results are found to generally agree with satellite observations, but the model usually overestimates the aerosol-cloud-precipitation relationship. An increasing trend in cloud fraction with the increase of aerosol optical depth (AOD) over ocean regions is found in the observations, while the reverse is true in the model simulation. It is mostly consistent that the model and observation both show a negative relationship between AOD and precipitation rate over land and a positive relationship over ocean. |
| 学科领域 | 大气科学 ; 地球系统科学与全球变化科学 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000302118800001 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ieecas.cn/handle/361006/2577 |
| 专题 | 古环境研究室 |
| 推荐引用方式 GB/T 7714 | B. Q. Yi,P. Yang,Kenneth P. Bowman,et al. Aerosol-cloud-precipitation relationships from satellite observations and global climate model simulations[J]. Journal of Applied Remote Sensing,2012,6(1):doi:10.1117/1.JRS.6.063503. |
| APA | B. Q. Yi,P. Yang,Kenneth P. Bowman,&X. D. Liu.(2012).Aerosol-cloud-precipitation relationships from satellite observations and global climate model simulations.Journal of Applied Remote Sensing,6(1),doi:10.1117/1.JRS.6.063503. |
| MLA | B. Q. Yi,et al."Aerosol-cloud-precipitation relationships from satellite observations and global climate model simulations".Journal of Applied Remote Sensing 6.1(2012):doi:10.1117/1.JRS.6.063503. |
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