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一、问题的提出黄河干流的分段是研究黄河、认识黄河的重要内容之一。河段划分因素很多,一般有区域地质环境、河谷地貌特征、水资源条件、流域社会经济状况、治理开发要求等。不同的学者或机构依据黄河的特性,选择某个主导因素或者综合各种因素,对黄河河段提出了不同的划分方法,有七分法、四分法、三分法等,其中以三分法使用最多。1.七分法申丙先生在《黄河通考》一书中,依据河流大势将黄
First, the issue raised The Yellow River mainstream is the study of the Yellow River, one of the important elements of the Yellow River. There are many factors for dividing the river section, generally including the regional geological environment, the valley topography, the water resources conditions, the social and economic conditions of the basin, the requirements of governance development and so on. Different scholars or institutions based on the characteristics of the Yellow River, choose a dominant factor or a combination of various factors, the Yellow River proposed a different method of division, with seven points, four points, trichotomy, etc., of which three points Act most used. 1. Seven points Mr. Shen Bing in the “Yellow River pass test,” a book, according to the general trend of the river will be yellow