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| Collaborative Research: Developing and Implementing Ocean-Atmosphere Reanalyses for Climate Applications (OARCA) | |
| 项目编号 | DE-SC0006966 |
| Compo, Gilbert | |
| 项目主持机构 | The Regents of the University of Colorado |
| 开始日期 | 2011-09-15 |
| 结束日期 | 2017-09-14 |
| 英文摘要 | Limits in our understanding of concerning cloud-aerosol interactions, and particularly the role of atmospheric aerosols serving as cloud condensation nuclei and their ultimate influence on solar and infrared radiation passing through earth's atmosphere, remain a significant source of uncertainty in the prediction of long-term global climate trends. This research will serve to design and develop an instrument to enable real-time measurement of aerosol hygroscopic growth factors suitable for operation aboard research aircraft. This instrument, called the Real-time Hygroscopic Differential Mobility Spectrometer (RH-DMS), will permit accurate sizing and characterization of aerosols both within and outside cloud systems over a diameter range of observed particle diameters. The intellectual merit of this effort centers on efforts to minimize uncertainties in cloud interactions with both short- (visible) and long-wave (infrared) radiation, and will employ innovative components including an interstitial inlet for artifact-free sampling of aerosol within clouds, a high-resolution differential mobility analyzer to distinctly quantify particle sizes, and coupling with a high-resolution optical particle sizer and electrical mobility spectrometer to assess the hygroscopic growth potential over a wide range of aerosol sizes (10-500 nm). Broader impacts will come through enhanced measurement capabilities aboard a research aircraft, and improved understanding of both the local behavior and global impacts of clouds in the context of both naturally-occurring and anthropogenic aerosols relevant to earth's changing climate. Related educational benefits will include graduate student education and be integrated with the lead investigator's existing K-12 outreach activities. |
| 学科分类 | 09 - 环境科学;06 - 生物科学 |
| 资助机构 | US-DOE |
| 项目经费 | 442788 |
| 项目类型 | Grant |
| 国家 | US |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/75528 |
| 推荐引用方式 GB/T 7714 | Compo, Gilbert.Collaborative Research: Developing and Implementing Ocean-Atmosphere Reanalyses for Climate Applications (OARCA).2011. |
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