入库水量与库区积雪厚度的相关分析及来水预测

Correlation Analysis on Reservoir Inflow and Snow Thickness and Runoff Forecast

我国北方很多地区的山区水库来水多源自融雪,其时间在1月～7月,占全年来水量的80%以上。根据哈拉布拉水库蓄水过程,对库区当年累计积雪厚度与当年水库来水量的数据进行了分析,建立起当年累计积雪厚度与水库来水量的关系式;依据当年积雪厚度对当年用以灌溉的来水量、汛期洪水总量作出定量预测,从而为当年水库制定防洪调度和兴利调节计划提供有效的数据。

The inflow of most reservoirs in China＇s northern mountain area is mainly from the snow melting, in which, the inflow between January and July accounts for more than 80% total water storage. According to the water storage of Italabula Reservoirs, the correlation between snow thickness in reservoir area and the inflow is analyzed, and the relationship formula is also obtained. The result has been used for the quantitative predictions of annual total inflow and flood, and it provides an effective supporting data to develop reservoir flood control and water resources utilization plans.