南方地区小型河道清淤及农田利用系统的构建研究

Research on the Construction of Small River Channel Dredging and Farmland Utilization System in the Southern Region

旨在探讨南方地区小型河道的清淤问题及其农田利用系统的有效构建,以改善河道生态环境、加强水资源管理和提高农田灌溉效率。通过建立精确的三维数值模型,模拟河道水流特性及清淤效果,对河道几何参数进行了详尽设定,并执行了网格无关性验证,确保了模型的精度和可靠性。结果表明:通过合理设计河道清淤和农田利用系统,可以显著提高水流质量和灌溉水的利用率,河道清淤后水体透明度提高了30%,农田灌溉效率提高了25%。为南方地区的小型河道治理和农田利用提供了科学依据和优化方向,具有重要的理论意义和实践价值。此外,还为未来的河道管理和农田灌溉系统提供了科学依据和优化方向,具有重要的理论意义和实践价值。

The aim of this study is to explore the dredging problem of small river channels in the southern region and the effective construction of farmland utilization systems,in order to improve the ecological environment of river channels,strengthen water resource management,and improve farmland irrigation efficiency.By establishing an accurate three-dimensional numerical model to simulate the flow characteristics and dredging effect of the river,this study has set detailed geometric parameters of the river and performed grid independence verification to ensure the accuracy and reliability of the model.The research results indicate that by properly designing river dredging and farmland utilization systems,water flow quality and irrigation water utilization efficiency can be significantly improved.After river dredging,water transparency is increased by 30%,and farmland irrigation efficiency is improved by 25%.Future research will explore the adaptability of the system under different environmental conditions and the impact of heavy metals in industrial wastewater treatment.This study provides scientific basis and optimization direction for small-scale river management and farmland utilization in the southern region,and has important theoretical significance and practical value.In addition,the research also provides scientific basis and optimization direction for future river management and agricultural irrigation systems,which has important theoretical significance and practical value.