Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 8716432 |
| An Analysis of Mineral Aerosol Transport from Asia to the North Pacific During the Last 18,000 Yr. | |
| Margaret Leinen | |
| 主持机构 | University of Rhode Island |
| 开始日期 | 1988-03-01 |
| 结束日期 | 1991-02-28 |
| 资助经费 | 192450(USD) |
| 项目类别 | Continuing Grant |
| 资助机构 | US-NSF（美国国家科学基金会） |
| 项目所属计划 | CLIMATE & LARGE-SCALE DYNAMICS |
| 语种 | 英语 |
| 国家 | 美国 |
| 英文简介 | A B S T R A C T This research concerns the transport of mineral dust from the arid regions of Asia to the open North Pacific Ocean over the last 18,000 years. New analysis will be carried out on selected deep sea cores to improve the resolution and the coverage of the data. Meteorological models of transport will be used to assess the variation with time of the latitudinal distribution of mineral dust transport and deposition, the likely variation in the source areas, and the speed of transport. These calculations will be based upon climatological fields simulated by NCAR's Community Climate Model obtained under the COHMAP project. The transport results will be compared with sedimentological results on the latitudinal distribution of the minerology, grain size distribution and mass accumulation rates over the past 18,000 years. Together, the climatological and sedimentological research will allow an assessment of the capability of transport models and refine our understanding of climate variations deduced from geological evidence. |
| 来源学科分类 | Geosciences |
| URL | https://www.nsf.gov/awardsearch/showAward?AWD_ID=8716432 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/342025 |
| 推荐引用方式 GB/T 7714 | Margaret Leinen.An Analysis of Mineral Aerosol Transport from Asia to the North Pacific During the Last 18,000 Yr..1988. |
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