学科分类
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2 个结果
  • 简介:Publicwillingnesstopay(WTP)forurbanriversrestorationwasinvestigatedinShanghai,NanjingandHangzhouinChinawithasampleof1,285.ThefactorsinfluencingpositiveWTPagainstzeroWTPareanalyzedusingabinarylogitmodel.Theresultsindicatethatincome,Huji(residentialregistration)status,householdsize,homepropertyownership,riverfrontaccess,andattitudestowardcurrentwaterqualityarestatisticallysignificantinthelikelihoodofpositiveWTP.ItisalsofoundthatrespondentswithoutlocalHujiarelesswillingnesstopaypositivelyinpooledsampleandShanghaisample.InthegroupholdingpropertyrightofhousebutwithoutlocalHujiislesswillingnesstopaypositivelyinHangzhou.RespondentsinNanjingaremorewillingnesstopaypositivelythanthoseinHangzhou.Mostcommonargumentsagainsttopayfortherestorationare"government’sduty","lowincome","non-local-Huji"and"lackoftrustinthegovernmentinhowitspendsmoney".TheresultsaregenerallyconsistentwiththehypothesisandspecificsituationsinChina.Thefindingsmakesomecontributionstothenon-marketvaluationstudiesaswellasprovideusefulinformationforpublicpolicymakinginChina.

  • 标签: 城市河流 长江三角洲 河道整治 Logit模型 居民 支付意愿
  • 简介:NewtechnologiesareinurgentneedofunconventionalhydrocarbonexplorationanddevelopmentinChina.Thispaperprovidesabriefintroductionandanalysisofanewthree-dimensional(3D)geomechanicalrestorationmethoddevelopedinrecentyears.Afteranin-depthdiscussiononthetechnicalprincipleandspecificcharacteristicsofthefields,wedesignedafeasibleworkflowfortwooil-gasfieldswithgreatunconventionaloil-gasresourcepotentialsinChina(WeiyuanandJiulongshanoil-gasfieldsofSichuan).Afterdiscussingthemajorchallengesandlimitationsofthenewtechnology,wealsosuggestitsresearcheffortsandfutureapplicationprospectItisshownthatthenewtechnologywillbeaneffectivemethodtofacilitatetheexplorationanddevelopmentofunconventionaloilandgasresourcesinChina.

  • 标签: geomechanical RESTORATION RESERVOIR prediction UNCONVENTIONAL oil-gas