基于RS與GIS的伊犁塔克爾莫乎爾沙漠綠洲交錯帶土地利用-覆蓋變化研究.pdf

1、新疆師范大學(xué)碩士學(xué)位論文基于RS與GIS的伊犁塔克爾莫乎爾沙漠綠洲交錯帶土地利用覆蓋變化研究姓名：劉巍申請學(xué)位級別：碩士專業(yè)：地圖學(xué)與地理信息系統(tǒng)指導(dǎo)教師：陳蜀江李志忠200906摘要IIAbstractInlriverbasinisthreatenbythewindthedesertificationinAridarea.Theecologicalenvironmentisfragile.Inrecentyearsduetothera

2、pidincreaseinpopulationtheimpactofhumanactivitiesbecomeincreasinglyintensivetheseexacerbatedthevulnerabilityoftheecologicalenvironment.Therefelusecoverchangeisaconcentratedexpressionofhumanactivity.Therefelusecoverchange

3、ontheecologicalenvironmentinaridareaswillhavefarreachingimpact.Lusecoverchangeisanimptantaspectofinternationallusecoverchangeresearch.Comprehensiveobjectivereflectionoftheprocessoflusecoverchangeisinfavofacrectundersting

4、ofthecurrentlusecoverwhichisreasonablenotprovidesabasistotherationaluseofthearidl.RemotesensingprovidestremendoussourceofinfmationGIStechnologyprovidespowerfuldataprocessing、spatialanalysisotherfunctions.Combinationofthe

5、twohastheunmatchedadvantagesfromthetraditionalmethods.Theyhaveshtcycle、highprecisionlowcostfeatures.Theyplayasignificantroleinlusecoverchangeresearch.BasedonBasicdata，RSGIS，Conclusionsareasfollows：⑴Thestudyareaistypicalo

6、faridsemiaridagricultureintheregionhighlightingtheadvantagesofagriculturalltheproptionofslackoflresources.⑵Asaresultofhumanluseintensityincreasegraduallythesteadydeclineinthereservelresourcesresultinginsbarellatedecrease

7、stronglyvariableAfter1990stheimplementationofWestDevelopmentStrategyleadstothequicklygrowthofcitiesminingtransptationl.⑶Countrysideresidentialareaisafocalpointareainreaseach.thetendencyofmainlchangearefarmlincreasingther

8、eductionofslawn.⑷Thelusecoverchangeareais36131.56hectareswhichaccountsf33.56%instudyareaduringtheperiod19752006.themainareawhichchangesisagriculturallgrasslwithlowcoveragehighcoverageofgrasss..Themainchangeddirectionisas

9、follows:sistransfmedtofarmllowcoveragelawnistransfmedtofarmlhighcoverageoflawnistransfmedtofarmlfarmlistransfmedtocountrysideresidentialarea.Afteranalysiswehavefoundthatthechangesoftheareatyperelativelyconcentratescloset

10、otheoasisdesertareasespeciallythepartaroundriverswhichdivisess.ItisshownthathumanactivityhasadevelopmentacteristicofalongthewatersalsohighlightstheWaterresourcesistheconstraintsoftheoasisfmation.KeyWds：RS；GIS；Takeermohue