The results show that the extracted river system matches well with the natural river system by means of adding the elevation data and digitizing main river with pseudo river.

• 结果表明,在盆地区域添加能反映微地形变化的数据点,并将河谷中出现伪河道的干流河网数字化,能生成反映流域实际情况的模拟河网。