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Based On Remote Sensing Technical Ebinur Lake Wetland Land Use And Land Coverage Information Extration And Lake Change Study

Posted on:2007-03-25Degree:MasterType:Thesis
Country:ChinaCandidate:W J LiuFull Text:PDF
GTID:2121360185451925Subject:Environmental Science
Abstract/Summary:PDF Full Text Request
The land use land cover change is one of global environmental variation research cores. But wetland landscape change and land use and cover change close correlation. The wetland is in the amphibious staggered zone of transition, maintains the region ecological equilibrium and the environment stable huge function. The Ebinur Lake area is one of Chinese sand storm source areas, and China the key communication line - Asian-European land bridge which opens to the west passed through from Ebinur Lake's southern region. The Ebinur Lake level of the lake change not only changes influential to this region land use and land cover, moreover has to this region ecological environment change refers drafts the function. Therefore the synthesis application remote sensing, the geographic information system technology, carries on the Ebinur Lake region land use and land cover change appraisal has the scientific significance.This article uses the resources satellite phantom, unifies the Modis data, uses the remote sensing data class with the method which confirms on the spot unifies. Using the vegetation index model, establishes the solution to translate the symbol, uses does not have supervises and has the classified method which the jail unifies, determined the training sample, has withdrawn the Ebinur Lake wetland protectorate LUCC present situation information. Carries on the accuracy test to the Ebinur Lake wetland protectorate LUCC present situation information: The main utilization on the spot landscape compared to, and had fully considered the spatial distribution, in picks an aspect, the research lamination picks a law, has attempted the method of weighting and the method of average in the erroneous matrix technique and in the Kappa method of correlates foundation, carries on the examination with these methods to this area LUCC present situation data, 0.867,0.846,0.861,0.856,the result tallies.In the LUCC data precision analysis foundation, qualitatively made, the quota analysis to the Ebinur Lake level of the lake change, use least squares method has carried on the linear return, by sought the level of the lake change and the precipitation factor relevance, discovered Ebinur Lake in the year and the year border change all big, moreover was close with the precipitation relations. In view of the Ebinur Lake water volume revenue and expenditure situation, has established Ebinur Lake's waterretaining capacity and the water demand mathematical model. According to the above research may forecast approximately Ebinur Lake and the LUCC change tendency, finally proposed corresponds preventing and controlling countermeasure.
Keywords/Search Tags:Remote Sensing, Land Use and Land Cover Change, Wetland, Accuracy, Ebinur Lake
PDF Full Text Request
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