简介：CopyrightSubmissionofamanuscriptimplies:thattheworkdescribedhasnotbeenpublishedbefore(exceptintheformofanabstractoraspartofapublished

简介：

简介：

简介：AGISBasedModelforCalculatingofFloodAreaLIURenyi,LIUNan5EffectofAppleBaseonRegionalWaterCycleinWeibeiUplandoftheLoessPlateau12HUANGMingbin,YANGXinmin,LIYushanTheoryandPracticeonDatabaseofThree-dimensionalVegetationQuantity23ZHAOUJianhuaDemarcationoftheEco-geographicalSystemBasedupontheExtensionEngineeringMethod31--TakingSemi-aridandSub-humidAreasinMid-temperateZoneasanExampleZHANGJuntao,LIZhe,ZHENGDuEffectofWetlandLandscapePatternonNutrientReductionintheLiaoheDelta43LIXiuzhen,XIAODuning,HUYuanmanetalTheContentofSoilOrganicCarbonandTotalNitrogenandCorrelAtivitybetweenTheir52ContentandFluxesofCO2,N20andCH4inXilinRiverBasinSteppeGENGYuanbo,ZHANGShen,DONGYunsheetalComprehensiveEvaluationofGuangzhouUrbanSustainableDevelopment62XUXueqiang,ZHANGJunjunUrbanImageSpaceandMainFactorsinBeijing74GUChaolin,SONGGuochenAnalysisonInfluenceofZalingandElingLakeontheAnnualDischargeoftheHuangheRiver82SourceAreaLIWangshou,FENGling,SUNShengliFormationandGrowthofHighMegadunesinBadainJaranDesert91YANMancun,WANGGuangqian,LIBaoshengetalProcessesofGullyErosionandAccumulationintheCentralLoessPlateauofChinaSincethe98LastInterglacialDENGChen-long,YUANBaoyinArealDiffusionandIntegrationoftheFrontierPioneeringCultureinHainanIsland105ZHUHong,SITUShangjiStandardizedDocumentationofModelsforResourcesandEnvironmentandTheirIntegration111withGISYUNTianxiangAnAnalysisofSpatialStructureandOptimalRegionalDevelopment135LUDadaoCountyLevelEconomicDisparitiesofChinainthe1990s145LIXiaojian,QIAOJiajunSpatialDistributionofAeolianErosionofSoilandItsDrivingFactorsinChina158ZHANGGuoping,ZHANGZengxiang,LIUJiyuanClimateVariationintheSanjiangPlainDisturbedbyLargeScaleReclamationduringtheLast17045YearsYANMinhua,DENGWei

简介：

简介：

简介：BasedontheplantleveldatafromtheFirstNationalCensusofBasicUnits,theSecondNationalCensusofBasicUnits,andtheFirstNationalEconomicCensusofChina,thispaperex-aminesthegeographicalagglomerationofChinesemanufacturingindustriesatamoredisaggregatedlevelbothbyindustrialclassi-ficationandspatialunitanalysis.ApplyingtheagglomerationindexproposedbyMaurelandSedillot,studiesshowthatthemostagglomeratedindustriesareresource-intensive,andcapitalandtechnologyintensivewhileindustriesdemandinglocalizedinputsorservinglocalizedmarketsorfavoredbylocalgovernmentsarefairlydispersed.Themoredisaggregatedindustriesaremorespa-tiallyagglomerated.Atthefinerspatialscale,industriesaremoredispersed.Resultsindicatethatwithin-countyspilloversarestrongerthannearby-countyspillovers,andwithin-prefecturespilloversarestrongerthannearbyprefecturespillovers.Local-izedspilloversarestillquitesubstantialatarangebeyondthatofcounties.ComparingtheagglomerationindexofChinesemanu-facturingindustriesin1996,2001and2004,agglomerationseemstobeageneraltendency.Resultsalsoindicatethatsomeindustrieshaveexperiencedremarkablechangesintheirlevelsofagglom-erationintheperiod1996–2004.

简介：

简介：

简介：

简介：

简介：ＧｅｏｇｒａｐｈｉｃａｌｄｉｓｔｒｉｂｕｔｉｏｎｏｆｈｙｐｏｃｅｎｔｒａｌｄｅｐｔｈｓｏｆＣｈｉｎｅｓｅｅａｒｔｈｑｕａｋｅｓＸＩＮＧ－ＢＥＩＤＵＡＮ（段星北）ＩｎｓｔｉｔｕｔｅｏｆＧｅｏｐｈｙｓｉｃａｌ，ＳｔａｔｅＳｅｉｓｍｏｌｏｇｉｃａｌＢｕｒ...

简介：Itisurgentandnecessarytointegrateamarinegeographicalinformationsystem(MGIS)withmarineremotesensingdetectionmodules.Onthebasisofthecurrenttechnologyandfeaturesofapplications,anopenthree-layerintegrationframeworkisdesigned.Atthedatalayer,atwo-levelthree-baseintegrationmechanismbasedontheplug-intechnologyisapplied;Atthefunctionlayer,anintegrationmodebasedonAPI,DLL,EXEandCOMisdiscussed;andattheapplicationlayer,asharingmechanismbasedontheclients/serviceisadopted.Asanexample,theremotesensingintegratedapplicationinformationsystemofChina'scoastalzoneandoffshore(MaXplorer1.0)withmultiecologyremotesensingfusionandassimilationmodule,surgedetectionmoduleaswellaseightotherthematicapplicationmodulesisintegrated,andthekeytechnologyofintegrationisdiscussedatdifferentlayersandindifferentmodules.Theresultshowsthatitispossibletorealizetheconformityoftechnologyandresourcesandtoprovidetheincorporatetechnologyplatformformarineinformationoperationalfunctioningafterapplyingtheintegrationframework

简介：AdistributionmapofPinusyunnanensiswasmadeaccordingtothedataongeographicaldistributionofP.yunnanensisbymeansofapplyinggeographicinformationsystemssoftwareArcGIS,andtheclimaticparametersofthedistributionareasforP.yunnanensisweredeterminedbytheclimateforecastmodelClimateChina.TherelationshipbetweenthegeographicaldistributionofP.yunnanensisandtheclimatewasstudiedbyadoptingtheindexesofKiraincludingthewarmthindex(WI),coldnessindex(CI)andaridityindex(K),Xu’shumidityindex(HI),Holdridge’slifetemperature(BT),potentialevapotranspiration(PET),potentialevapotranspirationratio(PER)andthesinglefactorsasthemeanannualtemperature,themeantemperatureinJanuary,themeantemperatureinJuly,themeanannualprecipitation,the>5℃accumulatedtemperature,the>18℃accumulatedtemperature,themaximumtemperature,theminimumtemperature,thetemperaturevariation,theratiooftemperatureandprecipitationoftheyear,etc.AndtheKira’swater-temperatureindexesondistributionalupperlimit,lowlimitandnorthlimitwerediscussed.ThemajorclimaticfactorseffectingthedistributionofP.yunnanensiswerescreenedoutbystatisticalanalysissoftwareSPSSandtheresultsshowedtheimpactfactorsareintheorderoftemperature>humidity>thetemperaturedifferencebetweenmeanwarmestmonthtemperatureandmeancoldestmonthtemperature.

简介：

简介：

简介：

简介：

简介：这份报纸建议一个本体论驱动的发现模型让地理信息服务改进他们的召回比率和精确比率。这个模型使用地理信息服务本体论。在这份报纸，首先，我们学习匹配地理信息服务的算术的multilevel。这算术被用于根据选择的服务和从功能类似的定义请求的服务的类似和信用站类似在服务收款机中心过滤并且匹配服务。匹配的算术，地理信息服务本体论和语义描述组成发现模型。最后，我们从召回比率，精确比率，responsivity和负担平衡测试并且分析模型。结果显示本体论驱动的发现模型在召回比率和精确比率是优秀的，并且能维持服务拷贝的动态负担平衡。

简介：TheRhineseffectmayberegardedasaninteractionbetweenRossbywavesandturbulence,inwhichtheRossbywavesmayradiateawayeddyenergywhentheirfrequenciesareequalorlargerthanthoseoftheturbulence,therebydeformingandeventuallydestroyingtheexistingeddies.Throughcomparingeddy-scalevelocityandlongRossbywavephasespeedintheoceans,ageneralizedformoftheRhineseffectisexaminedonthegeographicalcharacteristicsofaltimeter-observededdies.TheresultsshowthatthegeneralizedRhineseffecthasamuchgreaterinfluenceoneddycharacteristicsthanitsclassicalform,whichonlyconsidersthesimplebetaeffectduetothemeridionalgradientofplanetaryvorticity.Thelargestamountofeddiesaredetectedinregionswhereeddy-scalevelocityislargerthanthecriticalRossby-wavephasespeedconsideringageneralizedbetaeffect.Theeddiesinthoseregionscangrowviaaninversekineticenergycascadeandhavemuchlargeramplitudesandsizes.The'eddydesert'regionsoutsideofthetropicaloceans,whichhavefarfewerdetectededdiesandmuchweakereddyamplitudes,lieinareaswheretheeddy-scalevelocityislessthanthecriticalRossby-wavephasespeed.Inthoseregions,thegeneralizedRhineseffectmaybeapossiblemechanismofsuppressingeddygrowth.