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时间:2018-12-06
《资源环境支撑视角下的干旱区城市区位研究——以河西走廊城市为例》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、资源环境支撑视角下的干旱区城市区位研究一一以河西走廊城市为例開隔豪懵稠I西北师范大学地理与环境科学学院摘要:水土资源、生态环境、交通、公共设施是城市发展的重要支撑要素,影响城市区位的优劣。将资源与环境作为关键因子引入到干旱区城市区位研究中,采用“状态指数”法、综合交通可达性赋值测度法和区位爛分析河西走廊城市区位状况。结果表明:河西五市水土资源和牛态环境区位多项指标处于危机和预警状态,张掖市相对最优;城市间交通区位差别较大且对内、对外交通基础设施不协调,嘉峪关市交通区位最好,交通可达性指数是金昌市的1・8倍;公共设施发展不均衡,具有区位比较优势的产业部
2、门主要集中在张掖市和酒泉市。根据区位因子优劣的分析结果,为河西走廊城市发展提出建议。关键词:干旱区;城市区位;生态环境;水土资源;作者简介:陈佳银(1993-),女,四川省广汉人,硕士研究生,主要从事城市与区域发展研究。作者简介:石培基(1961-),男,廿肃省临洗人,教授,博士生导师,主要研究方向为人文地理学、经济地理学、城市与区域发展规划和国土整治。收稿日期:2017-10-19基金:国家自然科学基金项目“河西走廊经济带绿洲型城镇簇群空间成长过程、机理及管治研究”(编号:41271133)LocationStudyonCitiesinAridRe
3、gioninViewofResource-environmentSupportACaseofCitiesinHexiCorridorCHENJia-yinSHIPei-jiFENGHao—yuanCollegeofGeographyandEnvironmentalScience,NorthwestNormalUniversity;Abstract:Thescientificstudyofurbanlocationprovidedtheoreticalsupportandpracticalbasisforurbanplanningandurbanloc
4、ation.Thispaperattemptedtointroduceresourceemdenvironmentastheimportantlocationfactorsintothetraditionalstudyoflocation,andemphaticallyanalyzedtransportation,publicfacilities,landandwaterresourcesandecologicalenvironmentoffivecitiesintheHexiCorridorbymeansofindexofstatus,locati
5、onentropyandevo1utionofcomprehensivetremsportationacccssibility.TheresultsshowedthattherankofregionalspacesupportcapacityoffivecitiesintheHexiCorridor.Theordersoftheadvantageurbanwere:ZhangyeCity,JiayuguanCity,JiuqudnCity,WuweiCity,JinchangCity.ZhangyeCitywasthebestarea.Indices
6、ofstatusofresourcesandenvironmentconstraintindicatorsforfivecitiesintheHexiCorridorwereincrisisemdearl3^warningstate,ZhangycCitywasrelativelyoptimal.Thetrafficbetweenthecitieswasdifferent,thetransportionofJiayuguanCitywasthebest.TheindexoftransportationaccessibilityofJiayuguanC
7、itywas1.8timesbiggerthanJinchangCity.Thedevelopmentofpublicfaci1itieswasnotbalanced,thereweresomeadvantagcousindustriesinZhangycCityandJiuquanCity.Accordingtotheanalysisresultsoflocationfactors,thispaperputforwardsomereasonablesuggestionsforthosecities,butalsoprovidedreferences
8、forhealthydevelopmentofurbanandregionalcooperationunde
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