主要结论如下：（1）构建了大理河流域地理空间数据库，阐明了流域土壤侵蚀空间分布的下垫面特征。
The main conclusions are as follows:(1)Dalihe River Geospatial Database was constructed, and the characteristics of the underlying surface in which was studied.
空间数据库主要包括数字高程图、土地利用图与土壤类型图。
Using the technique of GIS, the paper analyses the climate, hydrology, soil and land uses in the study area.
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