Climate Change Data Portal
| Collaborative Research: Hygroscopic Properties of Aerosol Organics | |
| 项目编号 | 0931431 |
| Douglas Lowenthal | |
| 项目主持机构 | Nevada System of Higher Education, Desert Research Institute |
| 开始日期 | 2009-09-01 |
| 结束日期 | 2014-08-31 |
| 英文摘要 | This project will develop a history of anthropogenic emissions of short-lived pollutants to the atmosphere during the period from 1850 to 2010. It will produce estimate of all major aerosol species, aerosol precursors, short-lived trace gases, ozone precursors, and major trace elements emitted from anthropogenic, energy-related combustion and industrial processes for that period. This work represents the first attempt at constraining histories of these species by integrating all available records, from engineering histories to ice cores. Trends in technology change and emission were previously developed on the basis of engineering records and used to estimate black and organic carbon histories. Process-specific emissions of other tracers will be added to develop a time history of multiple tracers. Emissions will be translated to atmospheric concentrations and deposition using the Community Atmosphere Model (CAM) developed at the National Center for Atmospheric Research. Measured histories of deposition will be tabulated as recorded in lake sediments and ice cores. This project will update the CAM deposition parameterization, particularly for snow and ice, based on recent polar campaigns. It will also conduct an analysis of transport to and deposition in remote regions by climate mode, using a 40-year run with prescribed meteorology, to assess transport and deposition prior to 1960. A scheme will be developed to obtain an optimal representation of emitting technology by comparison with predicted and observed deposition records. Trends, rather than absolute magnitudes, will be the primary basis for comparison. Markers used for optimization will include elemental ratios in source profiles and differences in observations near and far from sources. The optimized technology base will then provide emissions of the important atmospheric species. The broader impacts of this project include: (i) spatially and temporally resolved inputs to global chemical and transport models that evaluate changes in climate forcing, transient climate response, and climate sensitivities from short-lived chemical species and (ii) critical inputs to models of time-dependent anthropogenic perturbations to biogeochemical cycles. A graduate student and two undergraduate students will participate in this project |
| 学科分类 | 08 - 地球科学;0805 - 大气科学 |
| 资助机构 | US-NSF |
| 项目经费 | 386695 |
| 项目类型 | Continuing 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/76250 |
| 推荐引用方式 GB/T 7714 | Douglas Lowenthal.Collaborative Research: Hygroscopic Properties of Aerosol Organics.2009. |
| 条目包含的文件 | 条目无相关文件。 | |||||
| 个性服务 |
| 推荐该条目 |
| 保存到收藏夹 |
| 导出为Endnote文件 |
| 谷歌学术 |
| 谷歌学术中相似的文章 |
| [Douglas Lowenthal]的文章 |
| 百度学术 |
| 百度学术中相似的文章 |
| [Douglas Lowenthal]的文章 |
| 必应学术 |
| 必应学术中相似的文章 |
| [Douglas Lowenthal]的文章 |
| 相关权益政策 |
| 暂无数据 |
| 收藏/分享 |
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
