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预流向

预流向预流向
  1. 其在ARC/INFO软件的水文模块环境下,经过数据预处理、流向分析、汇流分析和流域识别等过程,最终自动提取1435个小流域。

    Secondly , under the environment of hydrologic model of ARC / INFO software , through DEM pretreatment , flow direction analysis , flow accumulation analysis and watershed recognization , 1 435 small watersheds are extracted .