多源遥感影像河道参数修正SWAT模型的径流模拟  

Runoff simulation by modified sWAT model with multi-source remote sensing images of river parameters

作　　者：王佩瑜 WANG Peiyu(Jiangxi University of Science and Technology,Ganzhou 341000,China)

机构地区：[1]江西理工大学,江西赣州341000

出　　处：《长江信息通信》2024年第5期44-47,共4页Changjiang Information & Communications

摘　　要：径流模拟在水资源管理、洪水预测及农业灌溉等领域具有重要意义,通过模拟和预测水文过程,可以促进可持续的水资源利用和管理。以澧水流域为研究区,利用多源遥感影像数据提取澧水流域主河道参数,将修正后的河道参数应用于SWAT模型并进行径流模拟实验。通过对比分析原始模型与改进模型的径流模拟结果,发现修正后的SWAT模型在径流模拟中表现出更好的准确性和精度,其中津市站和石门站径流模拟值在验证期的NSE为0.84和0.80,R~2为0.78和0.83。Runoff simulation is of great significance in the fields of water resources manage-ment,flood forecasting and agricultural irrigation.By simulating and predicting hydrological processes,sustainable water resources utilization and management can be promoted.The Lishui River Basin is taken as the rescarch area,and the multi-source remote sensing image data is used to extract the main channel parameters of the Lishui River Basin.The modified channel parame-ters are applied to the SWAT model and the runoff simulation experiment is carried out.By comparing and analyzing the runoff simulation results of the original model and the improved model,it is found that the modified SWAT model shows better accuracy and precision in runoff simulation.The NSE of the runoff simulation values of Jinshi station and Shimen station in the verification period is 0.84 and 0.80,and the R²is 0.78 and 0.83.

关 键 词：径流模拟 河道参数 澧水流域 SWAT模型 

分 类 号：P333.1[天文地球—水文科学]