摘要
以2013年8月11日Landsat 8影像为数据源,以ENVI5.1遥感软件为平台,对安徽省滁州市城市热岛效应进行分析.首先采用单窗算法对Landsat 8影像热红外波段进行热辐射亮度和地表亮度温度反演,并对亮度温度进行归一化处理;其次按等差级数将滁州市热岛效应分为强绿岛区、绿岛区、正常区、热岛区和强热岛区;最后在此基础上对滁州市城市热岛效应时、空分布规律进行研究.结果表明:(1)滁州市市区地表温度明显高于郊区,市中心温度最高,城市热岛效应显著.(2)研究区内强热岛区和热岛区主要分布在市区建成区,占研究区面积的5%;强绿岛区和绿岛区主要分布在郊区和农村附近,占研究区面积的78%.(3)研究成果可为滁州市城市建设和城市规划提供参考.
This article used the image of the Landsat - 8 on 11 th, August 2013 as the data source and the ENVI 5.1 （ Remote Sensing Software） as the platform to analyze the urban heat island effect of Chuzhou City in Anhui Province. First of all, the mono - window algorithm method was used to invert the thermal radiation brightness temperature and the surface brightness temperature with the thermal in- frared band image of the Landsat - 8, and the surface brightness temperature was concentrated. Be- sides, the urban heat island effect into the strong green island zone, green island zone, normal zone, heat island zone and strong heat island zone were devided. Finally, the spatial and temporal distribu- tion of the urban heat island effect in Chuzhou City was analyzed. The results showed that firstly, the surface temperature was significantly higer than the surbub, the highest temperature was in the city center and the urban heat island effect was significant. Secondly, the strong heat island zone and the heat island zone were mainly distributed in the built - up area of the city, occupied the 5% of the study area, while the strong green island zone and green island zone were mainly distributed in the surbubs and nearby the rural, occupied the 78% of the study tent, could provide some references for Chuzhou City area. Finally, the research results, to some ex- in urban construction and urban planning.
出处
《凯里学院学报》
2015年第3期116-119,共4页
Journal of Kaili University
基金
宿州学院第八届大学生科研项目"基于Landsat 8卫星数据的滁州市城市热岛效应分析"(编号:KYLXLKZD14-03)
