Bian Xiaohui, Liu Yan, Ding Qianqian, et al. Response of Land Use and Cover Change to Urban Heat Island Effect in Huzhou City, Zhejiang Province[J]. Bulletin of Soiland Water Conservation, 2019, 39(3): 263-269.
DOI:
Bian Xiaohui, Liu Yan, Ding Qianqian, et al. Response of Land Use and Cover Change to Urban Heat Island Effect in Huzhou City, Zhejiang Province[J]. Bulletin of Soiland Water Conservation, 2019, 39(3): 263-269. DOI: 10.13961/j.cnki.stbctb.2019.03.043.
Response of Land Use and Cover Change to Urban Heat Island Effect in Huzhou City, Zhejiang Province
[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.
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