基于GIS技術的城市重金屬污染分析區(qū)域測繪研究

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文章編號：1674-6139（2025）07-0131-04

中圖分類號：X833文獻標志碼：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

重金屬污染是一個嚴峻的環(huán)境問題，不僅影響著土壤生態(tài)系統(tǒng)的平衡與穩(wěn)定，還可能通過食物鏈傳遞，對人類健康構成潛在威脅，包括引發(fā)各種疾病和生理功能障礙[1]。（剩余4193字）