Taking Shitoukoumen reservoir as an example, the water quality was analyzed by the value DN of wave band and routine monitor data, with three input nodes which were reflectance of ASTER band 1, 2, 3;

• 以石头口门水库为例，采用ASTER数据分析了石头口门水库水质污染状况，通过波段的DN值和常规监测数据建立能反映水质状况的污染物监测模型。