Application of Monthly Runoff Model Based on Underlying Surface Variation in Typical Sub-basins of Wulie River and Liuhe River in the Middle Reaches of Luanhe River
With the advance of climate change and human activities,it is particularly important to study the monthly runoff hydrological model based on underlying surface changes.The current mainstream hydrological models at home and abroad were reviewed.On the basis of the model reflecting the actual problem,the key technologies were deeply studied.Combined with hydrological characteristics of the study area,the monthly runoff of hydrology model was established,which can comprehensively consider the change of underlying surface.The case application shows that the model has the ability to quantitatively identify the underlying surface change process.It is feasible to identify the underlying surface change process using the 10 years piecewise method,which is beneficial to eliminate the randomness of hydrological processes and the volatility caused by model errors.In terms of water resources evaluation,the model can be easily re-duced or reprocessed to quantitatively analyze the impact of underlying surface changes on water resources.The results have important theoretical significance and practical value for further understanding the runoff change rule under the con-dition of the underlying surface change and the runoff effect under different climate scenarios in the future.
hydrological modelclimate changeunderlying surface changerunoff simulationLuanhe River Basin
万方数据
维普
