Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41375160 |
| 青海湖区沙漠化对气候变化响应动态机制研究 | |
| 俞文政 | |
| 主持机构 | 南京信息工程大学 |
| 开始日期 | 2014 |
| 结束日期 | 2017 |
| 资助经费 | 800000(CNY) |
| 项目类别 | 面上项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | Supported by RS, GPS and GIS technology, using the peripheral region around Qinghai Lake in Qinghai province as the research object, and according to the meteorological observation data as well as TM images (1987~2012), the space-time change of climate and desertification are analyzed by the methods of wavelet analysis, empirical orthogonal function and linear regression analysis, respectively. The objectives of this research are to 1) extract the dominating climate factor of desertification, 2) find out the connection between desertification and quasi-periodic climate variation and 3) study the dynamic response mechanism of land desertification to climate change and its variation trend to propose some countermeasures to prevent land desertification and climate change. Meanwhile, the desertification is an illustration of global climate change, thus to consider the effect of regional climate change on local desertification in the future, this work will provide a scientific decision-making base for desertification control and ecological protection in the region around Qinghai Lake. |
| 中文关键词 | 青海湖 ; 沙漠化 ; 气候变化 ; 响应 ; 动态机制 |
| 来源机构 | 南京信息工程大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/345646 |
| 推荐引用方式 GB/T 7714 | 俞文政.青海湖区沙漠化对气候变化响应动态机制研究.2014. |
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