水利水电科技进展2025，Vol.45Issue(3)：16-22,7.DOI:10.3880/j.issn.1006-7647.2025.03.003
基于Visual MODFLOW的若尔盖泥炭湿地小流域地下水运动与排水过程研究
Study on groundwater movement and drainage process in a small watershed of Zoige Peatland based on Visual MODFLOW
摘要
Abstract
In order to reveal the groundwater movement rule of peatland,using a typical peatland watershed in the upper Heihe River in the Zoige Basin as an example,a numerical model of groundwater movement along the headward erosion channel in the watershed was set up based on Visual MODFLOW,and the groundwater dynamics under different channel morphologies were simulated.The results show that groundwater movement in the peatland is influenced by precipitation,gully,and terrain.The increase of precipitation will accelerate the movement of groundwater to the gully,and the movement speed reaches the maximum after the peatland reaches saturation,and the effect of precipitation is weakened.The increase of gully depth will speed up the rate of groundwater discharge and enlarge the area of drainage zone,and the drainage capacity of the gully after cutting through the peat layer is 3.21 times that of the gully without cutting through the peat layer.There is a significant linear relationship between groundwater hydraulic gradient and topographic slope.关键词
地下水运动/泥炭湿地/沟道下切/Visual MODFLOWKey words
groundwater dynamics/peatland/gully incision/Visual MODFLOW分类
天文与地球科学引用本文复制引用
刘紫萱,李志威,鲁瀚友,黄草,田世民..基于Visual MODFLOW的若尔盖泥炭湿地小流域地下水运动与排水过程研究[J].水利水电科技进展,2025,45(3):16-22,7.基金项目
国家自然科学基金项目(U2243214,52442908) （U2243214,52442908）
