【摘 要】
：
用小流域和量水堰方法6a多的观测资料,分析了江西兴国一个面积为2.9hm2的侵蚀荒山森林小流域的降水流出特性.年流量(Q)随年降水量(P)的增多而增加,Q/P为48.0%～63.7%.P-Q的差数
【机 构】
：
中国科学院地理科学与资源研究所,京都大学農学部
论文部分内容阅读
用小流域和量水堰方法6a多的观测资料,分析了江西兴国一个面积为2.9hm2的侵蚀荒山森林小流域的降水流出特性.年流量(Q)随年降水量(P)的增多而增加,Q/P为48.0%～63.7%.P-Q的差数在737mm～1128mm之间,大体上是稳定的.由于表面水占流出量的主要部分,因而流量水平的变化极大.观测期间的流量水平最高为93.3mm/h,持续5min,最低为0.01mm/h.月流量与月降水量、日流量与日雨量、以及小时流量与小时雨量之间都基本上是线性关系.
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