According to 2698 sets of observation data on solar direct radiation in sub-divisions of wave band at 10 spots of seven regions in China, the empirical formula and nomograph for estimating ultraviolet
This paper deals with regional development of China in the 1980s, including regional dynamic change and the State regional development policy. Behind the practice of regional development is dispuation
Daily snow depth records at 60 primary dimatc statons over the Tibetan Plateau for the penod 1957-1992 are used as basis for point and areal hme series developmat. A statistical lnodel consistng of a
Unlike other river patterns, the anabranched pattern is rarely studied before although Lane has already mentioned about it in 1957. The most eminent features of the anabranched pattern are that there
By summarizing the results of debris flow studies in China and integating with the knowledge and experience gained by the authors in their research work, thes paper makes a review and outlook on debri
The paper focuses on systematic and overall review of literatures on Chinas urban mpaphy in recent years. Attention was paniculariy paid on the progrss in new themes and generalization of major ampmen