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ID:34838479
大小:3.64 MB
页数:67页
时间:2019-03-12
《基于ca-markov模型的百色市石江河谷土地资源利用景观格局动态模拟与预测》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、▾ắᦻnuturalfactorssuchastheslope,distancefromtheadministrativecenterandtransportrouteshaveagreatimpactonthechangeoflandscapepattern;andtheplanningfactors,delimitationoflandforControlAreaoftheConstructionLandandlandusezomeforthecapitalfarmlandprotection,willlimitthedevelopmentoftheconstruct
2、ionlandandStrengtheningthecultivatedlandprotection.Inthispaperthequalitativeandquantitativeanalysisofthesefactorsarecarriedon,whichwillprovidetheconversionrulesforthesimulationofthefuturelandscapepatternofbaiseyoujiangrivervalley.(4)UsingtheCA-Markovmodeltosimulatethelandscapepatternofthestudyare
3、ain2010andcomparingthasimulationresultswiththeactuallandscapepatternchart,theAccuracytestofnumberandspacesimulationareupto85%,whichindicatesthatthemodelisfineandconfident.aftertheAccuracytest,thelandscapepatternin2020issimulated.Theresultsshowsthatintheperiodfrom2010to2020,thechangeofthelandscape
4、patterninbaiseyoujiangrivervalleyisobvious:theareaofwoollandandgrasslandisdecreases,andthecultivatedland,constructionland,waterandunusedlandlandscapeincrease;thelandscapefragmentationgoesinadeeperlenel,andthenumberofpatchesincreases,andthelandscapediversityhasanupwardtrend,whichmeansthattheimpact
5、ofhumanactivityonthelandscapepatternofbaiseyoujiangrivervalleyareacontinuestodeepen.Keywords:landuse;landscapepattern;CA-Markovmodel;dynamicsimulationandpredictionoflandscape;BaiseYoujiangrivervalleyIV▾ắᦻ..................................................................................
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