Case study on soil erosion supported by GIS and RS

Soil erosion is a serious problem all over the world, especially in China. As the capital of China, soil erosion in Beijing has been concerned a lot by both government and scholars. Located in northwest Beijing, Miyun county is an important region because it includes the Miyun reservoir which is the water source for all of Beijing citizens. Based on the theory and model about soil erosion, the technique method and current situation of soil erosion in Miyun county is studied in this paper supported by GIS and RS. The conclusion is that the existing situation of soil erosion in Miyun county is well due to recent years planting, monitoring, and managing by both central and local government.