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[1]TONG Guangchen,LIN Jie,CHEN Hang,et al.Characteristic Change of Urban Heat Island in Changzhou City Based on Multi-Temporal Remote Sensing Data[J].Research of Soil and Water Conservation,2017,24(01):207-212.

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Characteristic Change of Urban Heat Island in Changzhou City Based on Multi-Temporal Remote Sensing Data

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 01 Page number: 207-212 Column: Public date: 2017-02-28

Title:: Characteristic Change of Urban Heat Island in Changzhou City Based on Multi-Temporal Remote Sensing Data

Author(s):: TONG Guangchen¹, LIN Jie¹, CHEN Hang², GU Zheyan², TANG Peng¹, ZHANG Jinchi¹; 1. College of Forestry, Key Laboratory of Soil and Water Conservation and Ecological Restoration of Jiangsu Province, Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China;
2. Jiangsu Surveying and Design of Water Resources Co., Ltd., Yangzhou, Jiangsu 225127, China

Keywords:: urban heat island; landscape analysis; Changzhou City

CLC:: X16;X87

DOI:: -

Abstract:: In order to analyze the temporal and spatial variation of the thermal landscape in Changzhou City over the past more than 20 years, choosing Landsat TM/ETM+ images of 1986, 1992, 2000 and 2010 as the data sources, and supported by Remote Sensing (RS), Geographical Information System (GIS) and Fragstats tools, we tried to analyze the urban heat island landscape during those years. The results showed that heat island effects were prominence in the construction area of Changzhou City from the year of 1986 to 2010. With the acceleration of urbanization, the thermal differences between urban and rural areas magnified, the difference between the maximum and minimum land surface temperatures reached to 35.3 K in 2010. The area of intense level of urban heat island which included above it increased from 8 580.24 hm² in 2010 to 17 725.23 hm² in 1986, the corresponding proportion increased from 4.58% to 9.45%, respectively, the increase was 106.33%. The analysis results of class metrics showed that high-level heat island patche distribution improved obviously both in range and intensity. Two ring high-level heat island distribution of patchy was obvious. The shape of heat island patches become more complicated because of human activities. The analysis results of landscape metrics showed that there was the most abundant diversity and a high degree of heat island landscape fragmentation in 2010, its distribution was also the most homogeneous. The results of this study can provide the reference for urban ecological construction.

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