基于RS和GIS的漢石橋濕地區(qū)域土地利用-覆被變化研究.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文基于RS和GIS的漢石橋濕地區(qū)域土地利用覆被變化研究姓名：姚蕾申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：土地利用與信息技術(shù)指導(dǎo)教師：孫丹峰20070601AbstractWetlandisofleoftherichestbiodiversityecologicall卸ds跚inthenatureandofthemostimportanthumanlivingenvironmentwiththefounctionofmaintain

2、ingecologicalbalance，controllingthefloodanddroughtstoringfreshwaterdegradatiagpollutionregulatingclimateandprotectingbiodiversityetcItisoneofthethreemajorglobalecosystemswiththeforestandtheseaButasaresultoftheincreasingc

3、onflictsbdc、^嘲thegrowthofpopulationandreductionofthelandresoureelargewetlandareahasbeen嗽lamatedandtheareahasbeelldecreasingwetlandenvironmenthasbeenseriouslydisruptedanddamagedThereforewetlandresearchhasbecomethefocusoft

4、hecurrentintemationalresearchfieIdwhichscholarsandmanagersconcernInthispaperHaashiqiaowetlandregionslandu蚓covcrchange(LUCC)situationhasbeeninvestigatedbytheanalysisresearchofLandsatn“dataof1988，1996andASTERdataof2004，bas

5、edonremotesensing(RS)andgeographicinformationsystem(GIS)111isstudymadeclassificationofthethreephasesoftheremotesensingimage惦illgmaximumlikelihoodclassificationandartificialvisualrevisionmethodandextractedtheinformatiORof

6、LUCCinthestudyawaThetendencyofLUCCofthesixteenyearswasanalysiz面bypresentingtheindexoflandu∞dynamicdegreeTheconclusionwasgotten：Inthesixteenyears，theIandusedcoverofthewetlandl℃$elVewasgreatlychanged111eareaofbuildingland。

7、farmland，forestandgrasslandhaveincreasedwhiletheareaofwetlandhasdeereasedOnthebasisofthewetlandreservesLUCCanalysisinordertofurtherstudytheaffectionofthewatershed。sLUCConthewetlandchangethestudywatershedwagdividedintosix

8、subwatershedThrotIghthecorrelationanalysisofthelandu∞dynamicdegreeofthesixsub—watershedandthewetlandreservewegottheconclusionthatthenearestuppersubwatershedneartothewetlandreselvehasthemostimportantaffectiononiLKeywords：