基于GIS的流域突发水污染扩散模拟研究

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文章编号：1674-6139（2026）04-0054-06

中图分类号：X736文献标志码：B

Researchon GISBasedSimulationofSudden WaterPollution Diffusion in River Basins

Sun Jiaxi

（HenanProvincial Instituteof Natural Resources MonitoringandLandConsolidation，Zhengzhou45oooo，China）

Abstract：BysimulatingthedifusionofwaterpolutioncausedbysudenoilspillfromshipsinabasinincentralChina，thisstudy providesscientificsupportforforulatingefectivewaterpolutionpreventionandcontrolstrategies.FVCOMoceanumericalodelis usedtoconstructhydrodyamicequationsandsimulatethehydrodynamicenvironmentofrivers.Basedontheconceptof"oilparticles"， theparticletrackingcomponentinFVCOMmodelisoptimized，andtheinfluenceofshearfowandturbulenceistakenintoaccountto buildanoilspllsmulationmodeltoealizeynamicvisualaalyssandpredictionofsddenpolutantdifusion.Thepoltantsapidly dispersedfromthesource，primarilyspreadinginthesoutheastdirection.Thedifusionrangeofthesudenpolutantreleaseisgradualy expanding，formngafnapedpattSuddenpoltatsgraduallypenetrateintotheloweraterbodyeventuallforingtable polution distribution in the water body，simulating the diffusion of sudden water polltion incidents inthe basin.

Keywords：FVCOMoceannumericalmodel；oilspillsimulationmodel；vsualanalysis；suddenwaterpolutioninwatershed;difu sion simulation

前言

流域作为水资源管理与保护的基本单元，水质状况直接关系到下游地区的水资源可用性、生态系统平衡及人类活动的可持续性[1]。（剩余4985字）