Based on the longtime hydrological observation records during the years from 1956 to 1995, properties of precipitation of Weihe basin in Shaanxi province of different time scale (including month, year and decade scale) is analyzed by the method of contras
Based on the longtime hydrological observation records during the years from 1956 to 1995, properties of precipitation of Weihe basin in Shaanxi province of different time scale (including month, year and decade scale) is analyzed by the method of contras
摘要根据1956-1995年的实测水文资料（降水和河川径流量资料），采用特征值对比方法，对陕西省境内渭河流域不同时间尺度内降水特征进行分析，并对流域内多年径流变化也做了相应的统计分析，从而揭示河川径流对降水变化的响应关系，并确定出河川径流变化的主要原因。