Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41401109 |
| 基于多指标的科尔沁沙地沙漠化定量遥感监测与综合评价 | |
| 段翰晨 | |
| 主持机构 | 中国科学院寒区旱区环境与工程研究所 |
| 开始日期 | 2015 |
| 结束日期 | 2017 |
| 资助经费 | 250000(CNY) |
| 项目类别 | 青年科学基金项目 |
| 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 | As an essential environmental and socio-economic issue, aeolian desertification severely restricts the sustainability of regional soicio-economic development. But for the desertification monitoring, the technique which based on the human-computer interactive visual interpretation still stay in the low efficiency as the high cost and long-cycle stage for a long time, some studies use single or multi-factor for desertification quantitative inversion, but which lack of continuity on the time scale. In addition, Large-scale research on landscape pattern and sensitivity evaluation of aeolian desertification is still insufficient. Thus, this research selects the Horqin Sandy Land as the study area, takes middle and high resolution remote sensing images as data source, in support of 3S technology, combines meteorological, environmental and ground survey data. 1) Aeolian desertification evaluation indicators will be retrieved quantitatively, we will construct the remote sensing monitoring indicator system and automatic recognition model of aeolian desertification based on multiple indicators, to achieve the dynamic monitoring of aeolian desertification from the large scale and long time series. 2) Landscape pattern evolution of aeolian desertification will be investigated by GIS spatial analysis method. 3) By combining the natural and anthropogenic factors, we will evaluate the sensitivity of aeolian desertification comprehensively in the Horqin Sandy Land. The success of this research will provide new ideas and methods for the remote sensing monitoring of aeolian desertification, and provide a scientific basis for combating aeolian desertification effectively and better understanding the sustainability of regional socio-economic development. |
| 来源机构 | 中国科学院西北生态环境资源研究院 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346737 |
| 推荐引用方式 GB/T 7714 | 段翰晨.基于多指标的科尔沁沙地沙漠化定量遥感监测与综合评价.2015. |
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