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The occurrence of sand-dust storms induced by wind erosion is a process that accelerates land degradation and can also be considered as an indicator of desertification. Thus, it is of significance both in theory and in practice to reveal the interaction between these two phenomena. Based on data from the Ordos Plateau and its surrounding areas, a study has been made of the effect of land degradation...
Natural rivers may be classified into two flow durations, perennial and seasonal. However, due to strong human activities, some perennial rivers in north China have been changed into seasonal rivers, among which the most striking examples are the lower Yellow River, the lower Yongdinghe River and the lower Hutuohe River in North China Plain. These rivers can be regarded as a new category of rivers,...
According to the yearly maximum suspended sediment concentrations (SSC) in the Yellow River and its tributaries, the rivers are divided into three types of more than 300, 20-300, and less than 20 kg/m 3 . The middle Yellow River basin is located in the transitional zone from subhumid to semiarid climates, and covered by a thick loess mantle. Neighboring on the desert areas to the northwest,...
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