基于多源空间数据的广州市生态环境综合评价与分析

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1、华南师范大学硕士学位论文基于多源空间数据的广州市生态环境综合评价与分析姓名：麦少芝申请学位级别：硕士专业：自然地理学指导教师：徐颂军20050601华南师范大学硕士学位论文评价结果表明，广州市生态环境质量综合指数位于2．79～9．85之间，平均值为7．22，呈偏正态分布，全市62％以上地区生态环境质量状况处理较好水平(生态环境质量综合指数>7)，环境质量总体状况从东南向西北逐渐变差。在行政区域分布上，增城区和番禺区生态环境状况较好，从化市、广州市区次之，花都区最差，在区域开发过程中应引起足够重视。关键词：遥感地理信息系统生态环境综合评

2、价与分析栅格数据广州市麦少芝t基于多源空间数据的广州市生态环境综合评价与分析ComprehensiveAssessmentandAnalysisofGuangzhouEco—environmentBasedonSpatialDataAbstractTakingtheremotesensingimagesasthemajordatasource，thispapermakesacomprehensivestudyontheecologicalenvironmentofGuangzhouCitybasedontheGeographicalI

3、nformationSystemtechnology．Aimingatthemajorinfluencingfactorsofregionalenvironmentandthedataavailabilityatpresent，asyntheticalassessmentmodelofecologicalenvironmentisestablished．Thenfouritems(1andeover，soilerosion，topography-geomorphologyandmeteorologicalconditions)andn

4、ineindexes(1andusetypes，vegetationcoverageetc．)areselectingtoassesstheregionalenvironmentanditsspatialpaRems．Furtheranalysis眦madebyintegratingsocialandeconomicdata，inordertofindoutthecausesandthecorrespondingcountermeasuresforthecurrentsituationofregionalecologicalenvir

5、onment．Thissuppliesthedivisionsupportforregionaleconomicdevelopmentandenvironmentprotection．RS(remotesensingtechnology)andGIS(GeographicalInformationSystemtechnology)alebotheffectivemeansforstudiesoilresourcA：sandenvironment．TherearemanyadvantagesofusingRSandGIStechnolo

6、gyindifferentscalesecologicalenvironmentevaluation．Earllydataextraction，abundantinformationandquickanalysisareitsmaincharacteristics，andthatcanheanimprovementofthetraditionalmethodinobtainingecologicalenvironmentdata．Thispapermakesacomprehensiveecologicalenvironmentasse

7、ssmentonGuangzhouCitybyusingtheRSandGIStechnologybasedonthegriddata．Thethinkingofthedesignisclear；theanalysisissimpleandconcise．Alltheevaluationresultssavethespatialcharacteristicsofeverydatainformationsothattheyhavegoodvisibility．Meanwhile，overlayingtheadministrativebo

8、undaryandtheevaluationVll华南师范大学硕士学位论文resultstoanalysisthedistrictdistributionofecologicalenvironmentqualityear