| 项目编号: | 1701526
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| 项目名称: | Impact of Anthropogenic Air Pollution on Ice Clouds and Regional Radiative Forcing |
| 作者: | Yu Gu
|
| 承担单位: | University of California-Los Angeles
|
| 批准年: | 2017
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| 开始日期: | 2017-09-01
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| 结束日期: | 2019-08-31
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| 资助金额: | 279999
|
| 资助来源: | US-NSF
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| 项目类别: | Standard Grant
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| 国家: | US
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| 语种: | 英语
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| 特色学科分类: | Geosciences - Atmospheric and Geospace Sciences
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| 英文关键词: | ice cloud
; pollution
; anthropogenic aerosol
; cloud
; ice nucleation process
; ice nucleation
; important impact
; project
; ice particle
; radiative balance
; long-term impact
|
| 英文摘要: | This project will make use of satellite data to improve the understanding of how pollution affects ice clouds. A significant fraction of the globe is covered by cirrus and related ice clouds and these clouds have an important impact on the radiation budget of Earth. Pollution can impact clouds by changing the size and density of the ice particles that make up the cloud. However, there are still significant uncertainties related to the kinds of pollution that affect clouds and how that translates to changes in the radiative balance and climate. The long-term impact of the project will be to improve global climate models by addressing ice clouds, which are one of the key remaining uncertainties. The project also includes training for an early-career scientist.
The research team will improve understanding of the ice nucleation process associated with anthropogenic aerosols. The focus of the project will be on black carbon, biomass burning aerosols, organic matter and solid ammonium sulfate with a goal to provide a comprehensive assessment of the contribution of anthropogenic aerosols to ice nucleation, ice cloud properties, and the consequent regional radiative forcing. Data from the A-train constellation of satellites, including CloudSat, CALIPSO, and Aqua will be used to: 1) investigate the correlation between aerosol loading and ice cloud microphysical and macro-physical properties, 2) evaluate the impacts of various meteorological parameters on the observed aerosol-cloud relationship to extract the effect of aerosols, and 3) perform a comprehensive analysis of observations of collocated aerosols and ice clouds to quantify the radiative forcing exerted by aerosols interacting with ice clouds. |
| 资源类型: | 项目
|
| 标识符: | http://119.78.100.158/handle/2HF3EXSE/89125
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| Appears in Collections: | 全球变化的国际研究计划
科学计划与规划
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| Recommended Citation: | |
Yu Gu. Impact of Anthropogenic Air Pollution on Ice Clouds and Regional Radiative Forcing. 2017-01-01.
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