GIS技术下跨区域气象环境污染物扩散特征研究

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文章编号：1674-6139（2026）03-0150-05

中图分类号：X51文献标志码：B

Research on Diffusion Characteristics of Cross Regional Meteorological Environmental Pollutants under GIS Technology

WeiKe

（JiyuanCityMeteorological Bureau（Jiyuan CityMeteorological Bureau），Jiyuan459ooo，China）

Abstract：Inodertovealthedifusionbhaviorofolltantsbetweediferentmeteorologicalbackgroundsndgeograpicale gions，asudyontediusiohaacteristisofossgioaleorologcalenviometalpoltatsunerGStecolgisoosd Basednmonitoringcenterdatathispapercalculatesthefrequencyofupwindindiferentdirectionswithintheregionandsumarizes thedominantwiddirectioditsseasoalvaratiopateTheamospericturbulenceintesitisaculatedtoevaluatetesidence timeofpolltantsinthiBasednmoshicabilitylasifiationteightoftesuaceiedlayerisalulateddbine withatmosphericturbuleneintensitytoconstructaolutantdifusionmodelbasedoGStechnologyThroughexperiments，itcanbe senthatthedifusioncharacteristicsofplutantsarerelatedtowndspeedatmospherictabilityndsufacemiinglaerhght. Whenthewindspeedinaregionishigher，thetmosphericstabilitylevelislower，andwhenthesurfacemixinglayerheightisighe the diffusion range of pollutants per unit time is wider.

Keywords：GIS technology；crossregional；meteorological environment；contaminants；difusioncharacteristics

前言

气象环境污染物指的是源自自然现象或人类行为、释放到空气中的各种物质，这些物质能够对气候模式、生态环境以及人体健康产生负面影响[1-3]在跨区域尺度上，大气污染不仅影响到局部地区的生态环境质量，更可能通过长距离传输，跨越行政边界，对更广泛的地理范围产生负面影响。（剩余4544字）