引用本文:
【打印本页】   【HTML】   【下载PDF全文】   查看/发表评论  【EndNote】   【RefMan】   【BibTex】
←前一篇|后一篇→ 过刊浏览    高级检索
本文已被:浏览 29次   下载 26 本文二维码信息
码上扫一扫!
分享到: 微信 更多
浙江省湖州市土地利用和覆被变化对热岛效应的响应
边晓辉1, 刘燕2, 丁倩倩1, 刘友存2
1.江西理工大学 建筑与测绘工程学院, 江西 赣州 341000;2.江西理工大学 资源与环境工程学院, 江西 赣州 341000
摘要:
[目的]探讨浙江省湖州市区土地利用和覆被变化(LUCC)对城市热岛效应的响应及影响因素的相关性,为湖州市生态环境可持续发展提供科学的理论依据。[方法]以湖州市区2000,2005,2010和2015年的Landsat TM和Landsat OIL 4期遥感影像为基础,基于GIS和RS技术,运用土地利用分类和地表温度反演,结合土地利用类型的开发度和重心偏移分析了LUCC,并借助主成分分析法探讨其与城市热岛效应之间的关系。[结果]①近15 a来,湖州市区建设用地面积占总面积的50%,耕地面积大幅度减少;吴兴区建设用地重心向西南方转移,南浔区建设用地向东北方转移。②随着湖州市区地表温度逐渐升高,2015年最高温度达38.6℃,而且高温区面积也在日益扩大。③建设用地的不断开发导致高温区面积的大范围扩张,城市水系分布有利于缓解城市下垫面温度的升高。④近15 a湖州市区第一主成分中的荷载量对地表温度变化影响较大,且荷载因子位于土地利用类型中。[结论]湖州市区土地利用进入缓慢变化时期,建设用地面积日益增加,地表温度随之上升,影响地表温度变化的主要荷载因子和土地利用类型有关。
关键词:  RS  GIS  土地利用和覆被变化(LUCC)  重心偏移  城市热岛效应
DOI:10.13961/j.cnki.stbctb.2019.03.043
分类号:P461;U412.1+4
基金项目:国家自然科学基金项目“稀土矿区典型流域水沙过程与氨氮及重金属多界面迁移机制研究”(41861002);江西省自然科学基金项目(20181BAB203026);赣州市重点研发计划项目(赣市财教字[2017]179号);江西理工大学“清江学者”拔尖人才科研启动项目(JXUSTQJBJ2017002)
Response of Land Use and Cover Change to Urban Heat Island Effect in Huzhou City, Zhejiang Province
Bian Xiaohui1, Liu Yan2, Ding Qianqian1, Liu Youcun2
1.School of Architectural and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China;2.School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China
Abstract:
[Objective] The relationship between land use and cover change and urban heat island effects and the influencing factors was explored in order to provide a scientific theoretical basis for the sustainable development of ecological environment in Huzhou City, Zhejiang Province.[Methods] The remote sensing images of Landsat TM and Landsat OIL in 2000, 2005, 2010 and 2015 in Huzhou City were collected. Land use was classified and surface temperature were inversed based on GIS and RS technologies. The LUCC was analyzed based on the development and gravity center shift of land use types, and the relationship between LUCC and urban heat island effect was explored by principal component analysis.[Results] ① In the past 15 years, the construction land area of Huzhou City accounted for 50% of the total area, while the area of cultivated land decreased significantly. The center of construction land in Wuxing District was shifted to the southwest, while the center of construction land in Nanxun District was shifted to the northeast. ② With the gradual increase of surface temperature in Huzhou City, the highest temperature in 2015 reached 38.6℃, and the area of high temperature zone was also expanding. ③ The continuous development of construction land was responsible for the wide expansion of high temperature areas, and the urban water system was conducive to alleviating the increase of urban underlying surface temperature. ④ The load in the first principal component of Huzhou City in the past 15 years had a great influence on the surface temperature change, and the load factor was located in the land use type.[Conclusion] The land use has entered a period of slow change in Huzhou City, the construction land area is increasing, the surface temperature is rising, and the main load factors affecting surface temperature changes are related to land use types.
Key words:  RS  GIS  land use/cover change  center of gravity shift  urban heat island effects