摘要
生态环境问题的调查是生态功能保护区规划的基础 ,本文介绍了利用 1∶ 2 5万 TM卫星遥感图像查明了陕西秦岭山地土壤侵蚀类型、土壤侵蚀强度及空间分布特征 ,分析了影响土壤侵蚀的主要因素及发展趋势 ,为生态功能保护区的准确划分提供依据。
Investigation of ecological environment problem is the basis of programming ecological function protected areas. The article mainly introduced the method of using 1∶250 000 TM satellite remote sensing images to find out soil erosion types and intensity in Qinling Mountain of Shaanxi, and drew the conclusion that within the region with the drop of altitude waterpower erosion gradually increased while freeze erosion gradually weakened. The main factor influencing soil erosion is anthropogenic activities. Soil erosion areas in the region increase due to largely exploration and using of forest resources and soil erosion intensity increased because of increase of farmland and slope farmland areas. The work proved that using remote sensing technology combined with GIS technology is useful to investigate and analyse ecological environment problems in process of programming ecological function protected areas.
出处
《地球信息科学》
CSCD
2003年第1期109-112,共4页
Geo-information Science
