19332.基于3s技術(shù)的區(qū)域景觀格局變化及驅(qū)動力研究——以青海省祁連縣為例

1、華中師范大學碩士學位論文基于3S技術(shù)的區(qū)域景觀格局變化及驅(qū)動力研究以青海省祁連縣為例姓名：朱春曉申請學位級別：碩士專業(yè)：地圖學與地理信息系統(tǒng)指導教師：喻光明201210AbstractInthispaperQilianCountyofQinghaiProvinceastheresearchobject，usesthe3stechnologytoimplementhuman—computerinteractiveinterpretatio

2、ntorthestudyareain1999，2006and2009thethirdphaseofremotesensingimages，thelandscapepatternanalysismethodwasusedtoresearchthelandscapepatternandlandscapedynamicchange，andthemaindrivingforcefactorcausedbythelandscapepatternc

3、hangeswereanalyzed，weconcludedthatresultsasthefollowing；First，rapidlychangesoflanduseandlandscapepatterninQilianCountyofQinghaiProvincehadbeentakenpalaceduring1999，2006and2009，nearly1lyears，whichcanreflecthumanactivities

4、andeconomicdevelopmentdramaticimpactonthechangesoflandscapepatterninrecentyearsFromtheproportionofeachtypeoflandscapearea，thetotalforestareafrom1999to2009overallgraduallyreduced；而egrassinthehigh—coveragegrasslandand10Wco

5、veragegrasslandarealncreasedyearbyyeartrom1999to2009，whileinthecoverageareaofgrasslandareadecreasedfrom1999to2009，whichholdsamajorityproportionofgrasslandinthestudyarea；Theareaofrivers，beachesandwetlandsalsograduallyhadr

6、educedduringthepast11years；theareaofurbanconstruction1andandruralsettlementshadexperiencedacontinuousincreasewithsmallpercentageincensement；theareaofdryland，barrenlandareahadbeeninasteadygrowthprocessinthepast11yearsSeco

7、nd，intheaspectsofthemainindicesoflandscapepatchlevelsthedegreeoffragmentationofthelandscapepatcheswasincreasing，whilemeanpatchareawasdecreasedduringthe11yearsofthestudyareaThevarioustypesoflandscapeindicesincreasedduring

8、1999—2006，butnotobviousDuetotheacceleratedpaceofurbanconstruction，whichresultsinincreasingoftheoccupiedandsplitthegrasslandlandscapemelandscapespatialheterogeneitygraduallyincreasedin2009Uniformdistributionofthedegreeofp

9、laquetypesinthelandscapeshowsanincreasingfiendFromabove，itcanbeseenthatlandscapepatternisaffectedbymanyfactorstodriveandtowardthedirectionofthediversificationandhomogenizationThirdanalysisofbothnaturalandhumandrivingforc

10、efactorsshowsthat，climate，precipitation，evaporationandnaturaldisastersfactorsmakethestudyofthelandscapepattemchange，HoweverpopulationgrowthandeconomicdevelopmentarethefundamentaldriversoflandscapepattemchangeforceFourth，