水利水电技术2017，Vol.48Issue(4)：1-7,12,8.DOI:10.13928/j.cnki.wrahe.2017.04.001
基于流溪河模型的乐昌峡水库入库洪水预报模型研究
Liuxihe Model-based study on inflow flood forecasting model of Lechangxia Reservoir
摘要
Abstract
The inflow flood forecasting model of Lechangxia Reservoir is established herein with Liuxihe Model,for which the model parameters are optimized throughPSO algorithm,and then the measured flood hydrographsare simulated,while the model performances are compared as well.The study find out that the performance of the inflow flood forecasting of Lechangxia Reservoir carried out with Liuxihe Model is perfect and can meet the requirement of the accuracy of the inflow flood forecasting for the reservoir.The optimization of the model parameters can obviously enhance the flood simulation accuracy of Liuxihe Model used for the inflow flood forecasting of Lechangxia Reservoir.The PSO algorithm has strong global optimization capability,rapid convergence capacity with the swarm evolution number within 30 times.The complete and operation of Lechangxia Reservoir create a certain reservoir flood effect,i.e.the average peak occurrence time of 10 flood events is advanced by 1.3 hour,the runoff coefficient of the half-hourly flood is increased by 1.59％ and the flood peak discharge is increased by 0.207％.The model can be applied to the inflow flood forecasting of the similar reservoir.关键词
水库洪水预报/分布式模型/流溪河模型/产汇流计算/水库洪水效应/洪峰预报/降雨径流预报/水文预报精度Key words
reservoir flood forecasting/distributed hydrological model/Liuxihe Model/calculation methods of runoff generation and concentration/reservoir flood effect/flood-peak forecasting/rainfall-runoff forecasting/hydrological forecasting accuracy分类
建筑与水利引用本文复制引用
黄家宝,董礼明,陈洋波,王幻宇,陈隆杰..基于流溪河模型的乐昌峡水库入库洪水预报模型研究[J].水利水电技术,2017,48(4):1-7,12,8.基金项目
国家自然科学基金项目(50479033) （50479033）
国家“十二五”科技支撑计划项目(2012BAK10B06-04) （2012BAK10B06-04）
水利部公益性行业科研专项经费项目(201301070) （201301070）
广东省科技计划项目(2013B020200007) （2013B020200007）
