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地理科学  2001 

气候与地表覆被变化对梭磨河流域水文影响的分析

, PP. 493-497

Keywords: 气候变化,地表覆被变化,水文效应

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Abstract:

分析了1960~1990年长江上游梭磨河流域气候和地表覆被变化及其对流域水文的影响。30年来,流域降水有所增加,有林地面积1957~1974年大幅下降,以后有所回升。有林地每公顷蓄积量由1957年的423m3下降到1998年的177m3,40年来林分质量不断下降。流域水文发生了明显的变化年均流量自1972年以来不断上升,洪水频率、洪峰流量和土壤侵蚀模数明显增加。

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