基于GIS与Markov模型的土地利用结构变化特征研究

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关键词GIS技术;Markov模型;土地利用结构;变化特征

中图分类号F301.2 文献标识码A

文章编号 0517-6611(2025)16-0049-04

doi:10.3969/j.issn.0517-6611.2025.16.010

AbstractObjective]TakingtheKareainthenorthwestregionasanexample,whichincludes multiplelandusetypes,GISand Markov modelsareusedtoanalyzethecharacteristicsoflndusestructurechangesinthisarea.Method]ByusingGIStechnologytodeterine te testingareaoflandintheKarea,calculatethedyamicdegreeofcomprehensivelanduse,ndcombinethechangesindynamicdgee to measurethelanduseofsetintheKareaaccordingtothescaningnodesstbyGS.Guidedbytheofset,calculatethemaximuplaqueindex,use Markovmodelandmaximumplaqueindextopredict theglobalplaqueposition,andfurtercalibratetheplaquelocationBasedon thedegreofgegatio(odispesion)ofspatialdistrbutionteevolutioaryalysistodisudatloatiooflndatchltiontosummataacestioflnducuegitKaeteeliodoiudaly cationdegrendcoplexityoftructuralchangsofthelandparcels.Result]econtributionateofchangsinwaterbodiesandothrland types within 9O days in K area is relatively high,all exceeding 12% ,the change intensity of paddy fields,dry land, forest land,grassland, water bodies,towns,other land typesin area can reach 1.8% and a balance degree of O.75.[Conclusion] The land structure in K area is gradualleogalladiiacalddefuctualgbiltd changes neachblockhasbeeniproved,andtheoverallsructuralchangesshowapositiverelationship,withgooduilizatioffects.

Key wordsGIS technology;Markov model;Land use structure;Change characteristics

土地利用结构反映了土地资源的配置状况和比例划分,其变化特征与日常的发展关联紧密。(剩余5442字)

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