基于GIS技术的城市重金属污染分析区域测绘研究

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文章编号：1674-6139（2025）07-0131-04

中图分类号：X833文献标志码：B

Research on Regional Surveying and Mapping of Urban Heavy Metal Pollution Analysis Based on GIS Technology

MaYoulu，LiuXiaojie，SongShenglei，DingYi （Qinghai Provincial Natural Resources Survey and Monitoring Institute，Xining 81Oooo，China）

Abstract：Heavymetalpollutantsposeaseriousthreattothehealthofurbanresidents.Inodertofectivelyontrolthem，itisnc esarytounderstandtedistribtioofavetalpltionaeasToisdseachogioalapigofurbanavtalp tionanalysisbasedonGIStechnology.Takingaresearchareainacityasanexample，thisstudysetupsamplingpointstocolectand processamples，determiningthetypeandoncentrationofheavymetalpolution，calculating theNemeropolutionindex，ndsingG technologytoimplementspatialinterpolationnddrawsurveying maps.TeresultsshowthatAsheavymetalpolutionismainlyconcen trated in the western and northern regions，and the distribution range is relatively wide，while Pb pollutionis mainly distributed near the northernregions.TepolutionindexofNmerointewesternregionissignificantlyhighertanthatintheasteregionInsomre as，the index even exceeds 3.O，reaching a level of severe pollution.

Keywords：GIS technology；urbanheavymetalpolution；sampling；concentrationdetection；regionalsurveyingandmapping

前言

重金属污染是一个严峻的环境问题，不仅影响着土壤生态系统的平衡与稳定，还可能通过食物链传递，对人类健康构成潜在威胁，包括引发各种疾病和生理功能障碍[1]。（剩余4193字）