一种根据时段平均流量和水位的水

根据实测的时段平均流量和水位的资料，建立了水均衡计算模型，通过简单的理想算例和实际观测资料，验证了模型的正确性和可靠性。同时以某灌区为例，利用前10年的实际月平均观测资料，反求了模型参数，并对后10年进行了水位计算，结果表明，模型简单、实用，可以用于大区域长时段的地下水均衡分析研究。

A kind of Water Balance Algorithm of Averaged Discharge and Water Level

To overcome the difficulties for the shortage of measured detailed data in the analysis of groundwater resources, a revised water balance model is established. The model is proved to be correct and reliable through a simple ideal case study and compared with observed data. The model is used for the analysis of groundwater resources in a large-sized irrigation district. The first ten-year monthly averaged water table and flux data are used for the identification of all the parameters in the model. Then, monthly averaged groundwater table is calculated in the next ten years and compared with the measured data. It is shown that the model is simple and practical, so it can be used for the analysis of groundwater balance in large districts with long-time period.