桂林理工大学学报2024，Vol.44Issue(2)：217-224,8.DOI:10.3969/j.issn.1674-9057.2024.02.004
基于MODFLOW的贺江岩溶流域地下水资源评价
Evaluation of groundwater resources based on MODFLOW in Hejiang karst basin
摘要
Abstract
Visual numerical simulation is an important method for groundwater resource evaluation.The numeri-cal model of karst watershed in the upper reaches of Hejiang River is established by using groundwater simula-tion software MODFLOW.In this model,the karst conduit network is conceptualized by Drain module.The groundwater level data and discharge of the subterranean river in dry months are used for the model calibration.The simulation result shows the established model can finely reproduce the groundwater dynamic,the recharge and drainage relationship among different types of aquifers,and the discharge in dry months.The groundwater in simulation region is under deficit during the low rainfall period and replenished in wet season.During the simulation period,the total groundwater recharge is 3.54×108 m3 and discharge is 3.41×108 m3.The precipita-tion is the main recharge source of karst aquifer accounting for 66.0%of the total recharge.The granite fissure water and clastic-rock fissure water are the second and third recharge resource of karst aquifer with the contribu-tion proportion of 14.3%and 7.9%,respectively.Due to the fine storage of the granite fissure aquifer,the contribution of water in granite fissure aquifer to recharge karst aquifer is larger than the precipitation in dry sea-son.关键词
岩溶流域/MODFLOW/地下水资源评价/贺江Key words
karst basin/MODFLOW/evaluation of groundwater resources/Hejiang River分类
地质学引用本文复制引用
康志强,张勤军,刘玲,贝为昶,袁金福,梁爽,黄春阳..基于MODFLOW的贺江岩溶流域地下水资源评价[J].桂林理工大学学报,2024,44(2):217-224,8.基金项目
国家自然科学基金项目(42372294) （42372294）
广西科技基地和人才专项项目(桂科AD20297091) （桂科AD20297091）
广西自然科学基金重点项目(2020GXNSFDA238013) （2020GXNSFDA238013）
