基于SWAT模型的流域径流模拟研究进展

Progress in Application of Watershed Runoff Simulation Based on SWAT

本文概述了国内外应用SWAT模型在流域径流模拟研究方面的主要进展。简要介绍了SWAT模型的径流模拟功能,概括了在不同流域、不同时间尺度上基于SWAT模型的径流模拟的适用性,并针对模型在具体应用时受特定区域下垫面影响这一限制因素,归纳了模型径流模拟功能的开发、改进与拓展。在此基础上,介绍了模型输入参数和环境变化对径流模拟结果的影响,特别是气候和土地利用/覆被变化对径流的影响。最后,总结了现有基于SWAT模型的流域径流模拟研究存在的问题,并就这些问题的解决方案进行了讨论。

Progress in the application of watershed runoff simulation based on soil and water assessment tool model（SWAT） is comprehensively reviewed.Firstly,SWAT and its development and the function of runoff simulation were briefly introduced.Secondly,the applicability of runoff simulation based on SWAT in different regions and time scales were addressed.Considering the limitation of runoff simulation in specific underlying surface,the improvement and development of the model were outlined in concrete application.Then,the impact of input parameters and the environmental changes on runoff simulation was summarized,namely,how climate and land use/cover change will influence the runoff.At last,the existing problems of SWAT-based runoff simulation were summed up,on which the perspectives of research on runoff simulation based on SWAT were highlighted.