简介:Inordertounderstandthecharacteristicsofspatialandtemporalvariation,aswellasprovideeffectiveideasoncarbonemissionsandregulatorypolicyinYantai,thisarticleanalyzedspatialandtemporalvariationofcarbonemissionsinYantaibasedonenergyconsumptionstatisticsforavarietyofenergysortstogetherwithindustrialsectorsfrom2001to2011.Theresultswereasfollowing:Firstofall,Yantai’scarbonemissionsgrewbyanaverageof5.5%peryearduringthelast10years,andtherewasapeakof10.48millioncarbonintheyearof2011.Second,comparedwiththegrossdomesticproduct(GDP)growthrate,thefiguresforenergycarbonemissionsgrowthrateweresmaller;howevertheproblemofcarbonemissionswerestillmoreobvious.Furthermore,carbonemissionsinYantaiincreasedrapidlybefore2008;whileafter2008,itincreasedmoreslowlyandgraduallybecomestable.Third,theenergyconsumptionwasdifferentamongregionsinYantai.Forinstance,theenergyconsumptioninLongkoucitywasthelargest,whichoccupied50%ofthetotalcarbonemissionsinYantai;andtheenergyconsumptioninChangIslandwasgenerallylessthan1%oftheLongkouconsumption.Finally,therewererelativecloserelationshipsamongthespatialdifferenceofcarbonemissions,regionalresourcesendowment,economicdevelopment,industrialstructure,andenergyefficiency.
简介:Theconstructionofanecologicalcityhastwofounda-tionalplatforms:thesmallplatform,namelyurbandistrictorsimplycalledas'cityecosystem';andthebigplatform,namelyaroundcitydistrictincertainregionscopeoralsoreferredtoas'city-regionecosystem'.Theconstructionofanecologicalcitymustbelaunchedinthedualspatialcriteria:incity(urbandistrict)criterion—optimizingthecityecosystem;incity-region(cityterritory)criterion—optimizingthecity-regionecosystem.Luoy-anghasthebrightcharacteristicandthetypicalimagewithincitiesofChina,andevenintheworld.Theconstructionofanecologicalcityindualspatialcriteria—thecityandthecity-region—hasthevitalsignificancetourbanizationadvancementandsustainabledevelopmentinLuoyang.Incity-regioncriterion,theprimarymissionofLuoyang’secologicalcityconstructionistocreateafineecologicalenvironmentplatforminitscityterritory.Incitycriterion,thebasicdutyofLuoyang’secologiccityconstructionistoenhancetheecologicalcapacityandbenefitofthecentralcity.
简介:China'scirculareconomyisstillattheinitialstage,whosedevelopmenthasmanydifficultiesandproblemsrequiringimmediateresolutiontheoreticallyandpractically.Duetothedifferencesofregionsonthescaleofland,endowmentofresources,economicbasisandculturalbackground,thedevelopmentallevelsandcapabilitiesofcirculareconomyareinevitablydifferent.Basedonestablishingtheindicatorsystemforassessingthedevelopmentallevelofregionalcirculareconomy,spatialvariationofChina'scirculareconomyismeasuredbythequantitativemeasurementusingprincipalcomponentanalysis,andtheexistingproblemsarealsoanalyzedanddiscussed.Ononehand,thedifferencesofthedevelopmentcapabilityofthecirculareconomyofdifferentprovinces(cities)areprofoundinChina;①Differencebetweenthefirstcategory(strong)andthesecondcategory(relativelystrong)is1.1264points.Differencebetweenthesecondcategoryandthethirdcategory(relativelyweak)is0.3867points.Differencebetweenthethirdcategoryandthefourthcategory(weak)is1.0238points.Differencebetweenthefirstcategoryandthefourthcategoryreachesupto2.0869points.Averagedifferencebetweentheareawherethedevelopmentallevelofcirculareconomyisrelativelystrongandtheareawherethedevelopmentallevelofcirculareconomyisrelativelyweakis1.3617points.②Thedifferencesofthedistributionoftheareas,withdifferentdevelopmentcapabilityofcirculareconomy,whicharelocatedinthethreeeconomicregionsofChina,arealsoprofound.Theregionswitharelativelystrongdevelopmentcapabilityofcirculareconomyaremainlylocatedintheeasterneconomicarea,whichaccountfor22.58%ofthewholeregions,whileonlyaccountfor12.90%inthemiddleandwesterneconomicareas.Onthecontrary,theregionswitharelativelyweakdevelopmentcapabilityofcirculareconomyaccountfor48.39%inthemiddleandwesternarea,whileaccountfor16.13%intheeasternarea.Ontheothe
简介:Basedonthedataofurbanlanduseobtainedbyremotesensinginterpretationfromaeroimagesin1986and2004,thespatialstructureofJinanisstudiedinthispaperwiththemethodofGeographicInformationSystem(GIS).Accordingtotheproportionoflandforresidence,industryandcommerce,theurbandistrictcanbedistinguishedintothreerings.ComparedwiththetraditionaltheoryoftheringstructureinWesterncoun-tries,theyhavemanydistinctivecharacteristics.Themainfunc-tionsoftheinnerringincluderesidence,businessandbanking,buttheproportionofresidentialland(morethan50%)isconsiderablyhigherthanthatofthecitiesinWesterncountries.Thelandproportionforresidenceandindustryintheintermediateringisequalonthewhole.Themainlandoftheoutsideringisforindustrialuse.From1986to2004,greatchangeshavetakenplaceonthelandproportionofdifferenttypesofuse.Intheinnerring,thelandforresidentialandindustrialusehasshrunkmuchwhilethelandforcommercialusehasincreased.Intheintermediatering,thechangesofthethreetypesoflandusewerenotverymuchandthetemporalvariationwasrelativelystable.Onthecontrary,thestructureintheoutsideringvariesacutely.Thoughmostofitisalsoforindustrialuse,theproportionofresidentiallandhasin-creasedmuch.Thethreeringscanalsobedividedintoseveralsectorsrespectively,accordingtothefunctionoflanduseclusters.Newtrendsandmechanismsofthechangesoflanduseimpactingtheurbanstructurewereproposedintheendofthepaper.
简介:ChengdeCity,famousforitsculturalsightseeingtourismindustry,andislocatedinChina's"CapitalHolidayTourismCircle".Thislocationisadvantageous,becauseoftherecentboominChina'snationaltourismindustry.Thisindustryhasgonethroughseveralstructuralanddevelopmentchangeswithinthepastseveralyears.Aresultoftheserestructuringpatternsisthegreatchangesconcerningcompetitiveandcooperativerelationsamongtourismdestinations,whichhaveprecipitatedthedeclineofthetraditionalsightseeingpattern.NorthernChina's"CapitalHolidayTourismCircle"isoneofninekeyareaswithintheChinesetourismindustryunderdevelopmentduringtheEleventhFive-YearPlan.Inthepresentarticlethemethodof"DistanceDeclineofTheTouristFlow"wasusedtodefinetheflowoftouristsintheCapitalHolidayTourismCircleanditsinfluenceuponChengde'stourismspatialdistribution.3aspectswillbediscussed:(1)ThetransformationfromsightseeingtoleisuremarketsmakesthechangepossibleinChengde'stourismspatialpattern.(2)Thelocationadvantage(adjacenttoBeijingandTianjin)alsoleadstothechangeinChengdetourismspatialpattern.(3)Theestablishmentoffreewaysalsocontributestoagreatdegreesofchange.TherapiddevelopmentofleisuretourismmightleadtothechangefromnucleusmodeltoadiversifiedonewithinChengde'stourism.Specifically,Chengdeisdevelopingthetourismindustrywiththecentralheritageareaasthenucleusandthenorthernforest,pasture,southernmountain,andriversasitsperiphery.
简介:PopularregionalinequalityindexessuchasvariationcoefficientandGinicoefficientcanonlyrevealoverallinequality,andhavelimitedabilityinrevealingspatialdependenceorspatialagglomeration.Recentlysomemethodsofexploratoryspatialdataanalysissuchasspatialautocorrelationhaveprovidedeffectivetoolstoanalyzespatialagglomerationandcluster,whichcanrevealthepatternofregionalinequality.ThisarticleattemptstousespatialautocorrelationatcountyleveltogetrefinedspatialpatternofregionaldisparityinChinesenortheasteconomicregionover2000-2006(2001absent).Theresultindicatesthatthebasictrendofregionaleconomyisanincreasingconcentrationofgrowthamongcountiesinnortheasteconomicregion,andtherearetwogeographicalclustersofpoorercountiesincludingthecountiesinwesternLiaoningProvinceandadjacentcountiesinInnerMongolia,poorercountiesofHeihe,QiqiharandSuihuainHeilongjiangProvince.Thisarticlealsorevealsthatwecanusethemethodsofexploratoryspatialdataanalysisasthesupplementaryanalysismethodsinregionaleconomicanalysis.
简介:Thearticlestudiestourismeco-environmentof14citiesofGangsuProvince,China,basedonGISwithmanykindsofmulti-subjectspatialdatabase,suchasremotesensingdata,observationdataandliteraturedata.Theresearchresultswereasfollows.First,spatialfeaturesof14cities'tourismeco-environmentaredisplayedwithfivelevelsofvulnerabilityrespectively.ThevulnerabilityinGansubecomesworsefromGannanCity,locatedinsouthernGansutoHexiCorridorwhichliesinnorthwesternGansu.Second,theareasofabovethemiddlevulnerabilitylevelmakeup75%ofthetotalareasofGansuProvince.Third,morethan70%ofhigh-levelhumanandnaturaltourismresourcesareintheareaswithhighvulnerabilityeco-environment.Fourth,itiscrucialtodevelopcomprehensivetourismindustryinordertoimprovetheharmoniousdevelopmentbetweentourismindustryandeco-environmentinGansuProvince.
简介:Long-lastingexpansionofhazepollutioninChinahasalreadypresentedasternchallengetoregionaljointpreventionandcontrol.Thereisanurgentneedtoenlargeandreconstructthecoverageofjointpreventionandcontrolofairpollutioninkeyarea.Airqualitymodelscanidentifyandquantifytheregionalcontributionofhazepollutionanditskeycomponentswiththehelpofnumericalsimulation,butitisdifficulttobeappliedtolargerspatialscaleduetothecomplexityofmodelparameters.Thetimeseriesanalysiscanrecognizetheexistenceofspatialinteractionofhazepollutionbetweencities,butithasnotyetbeenusedtofurtheridentifythespatialsourcesofhazepollutioninlargescale.Usingeconometricframeworkoftimeseriesanalysis,thispaperdevelopedanewapproachtoperformspatialsourceapportionment.WeappliedthisapproachtocalculatethecontributionfromspatialsourcesofhazepollutioninChina,usingthemonitoringdataofparticulatematter(PM2.5)across161Chinesecities.Thisapproachovercamethelimitationofnumericalsimulationthatthemodelcomplexityincreasesatexcesswiththeexpansionofsamplerange,andcouldeffectivelydealwithseverelarge-scalehazeepisodes.
简介:Theobjectiveofthisarticleistospeculateonresortrestructuringinthemarket-orientedreformprocessinChina.Previousstudiesshowthatspatialdisequilibriumwasaggravatedbydecentralization,whichleadstothedifferenceintourismpolicyandinvestment,publicgoods,andservice;aprofoundanalyticalframeworkismuchneededforfurtherempiricalstudies.Thisarticlehasreviewedtherelevantstudiesonlinksbetweendecentralizationandrestructuring,spatialinfluencesofdecentralizationontourism,basedonwhichweputforwardthetheoreticalframeworkofresortspatialrestructuringfromtheviewofpoliticaleconomyanalysis,thenweelaborateonanddiscussitbasedontheexampleofSanya,China.Inshort,thearticlesuggeststhatdecentralizationoffiscalresponsibilitiesandinstitutionalpowercontributestothespatialdisequilibriumoftourismindustrialstructure,landuse,publicinfrastructureandservicefacilities,andtocommunityinequality.Interestsofgovernment,investors,andcommunityshouldbecomprehensivelycoordinatedintheresortspatialrestructuringprocessfromthreeaspects:restructuringgovernment,optimizingspacestructure,andtourismindustry.Furthermore,wearguethatresortrestructuringinthecontextofSanyarequirescoordinationofvariousinterestgroupsthroughfourways:restructurethegovernmentpowerunderadministrativedivisionadjustment,optimizingspatialstructure,expandingindustrialspacetodiversifiedtourismproducts,andbuildingresortmanagementservicesorganization.Finally,wediscussedsomepolicyrequirementsforresortsustainabledevelopment.
简介:China’stechnologicaleffortstotackleclimatechangehavelastedformanyyears.Itisnecessarytotesttheeffectoftheseeffortswithquantitativemethod.Tobeexact,whetherandhowChina’slow-carbontechnologyinnovationrespondstoclimatechangeshouldbetested.Basedonthe2004-2015paneldataof30provincesinChina,weusethemethodofESDAanalyzingthespatialcorrelationofChina’slow-carboninnovationtechnology.Furthermore,weusethespatialDurbinmodelempiricallyanalyzingthespatialspillovereffects.Theresultsobtainedareasfollows:first,supplyanddemandofChineselow-carboninnovationhassomedeviationinthespatialdistribution.Thelow-carbontechnologyinnovationasthesupplyfactorshowsthecharacteristicsofexpandingfromtheeasttothewest.InnovationineasternChinahasalwaysbeenthemostactive,butinnovativeactivitiesinthemiddleandwesternChinaaregraduallydecreased.However,carbonemissionshavethecharacteristicsofmovingwestward,implyingthechangeoftechnologydemanddifferentfromtechnologysupply.Second,China’slow-carboninnovationactivelyrespondstothetrendofclimatechange,indicatingChina’stechnologicaleffortshavepaidoff.However,thespatialspillovereffectsarenotsignificant,showingthattheeffortsineachregionofChinastillworkforhimself.Third,environmentalregulationandmarketpullareimportantfactorsforlow-carbontechnologyinnovation.Amongthem,bothsupportingpolicyandinhibitorypolicyhavesignificantimpactonthelocallow-carbontechnologyinnovation,butnosignificantspatialspillovereffects.Itshowsthatenvironmentalpoliciesindifferentregionsarecompetitiveandlackofdemonstrationeffects.Economicgrowthandexportasmarketpullhavehigherlevelofeffectonlow-carbontechnologyinnovationforbothlocalandadjacentareas.Somepolicyimplicationsareproposedbasedontheseresultsfinally.