生态学杂志2017，Vol.36Issue(3)：792-799,8.DOI:10.13292/j.1000-4890.201703.018
广州市热岛强度的空间格局及其分异特征
Spatial pattern and differentiation characteristics of urban heat island intensity in Guangzhou City
摘要
Abstract
Along with the rapid urbanization,the expansion of population and explosion of urban impervious surface,the phenomenon of urban heat island is becoming more and more prominent and influences social and economic development seriously in negative ways.Based on Landsat 8_ OLI image data in 2014,a mono-window algorithm was implemented for the retrieval of land surface temperature in Guangzhou.The retrieval temperature,together with GS+/GIS spatial analysis technology,was used for the analysis of the hierarchical characteristics of thermal intensity and its spatial differential characteristics.The results show that the area size of heat island intensity levels completely followed the normal distribution with a fitting degree of R2=0.971 and the dominant pattern effect of Ⅴ and Ⅵ intensity levels.The centers of heat island intensity level were observed in forms of “single center”,“single center surrounded by multiple sub-centers”,and “multiple center”,which followed certain orders of succession.The centers of the rank of cold island intensity were also observed in forms of contiguous cold island center,single cold island center and abnormal cold island center with inconspicuous order of succession.The results of the variable function show that the heat island intensity had high spatial predictability,and obvious regional differences as well as probable hierarchical structure.The results of the study may be helpful for the understanding of the effects of urbanization and regional ecological environment,and the promotion of the sustainable development of the city.关键词
城市热岛效应/强度等级指数/空间自相关/半方差函数Key words
urban heat island effect/intensity hierarchical index/spatial autocorrelation/semivariance function引用本文复制引用
陈康林,龚建周,陈晓越..广州市热岛强度的空间格局及其分异特征[J].生态学杂志,2017,36(3):792-799,8.基金项目
国家自然科学基金项目(41671175、41171070)、国家重点研发计划项目(2016YFC0502803)、教育部人文社科青年项目(12YJC790176)、广东高校省级重点平台和重大科研项目(2014KGJHZ009)、广东省普通高校特色创新类项目(2015KTSCX103)、广州市属高校科研项目(1201421103)和广州市对外科技合作专项项目(2012J5100044)资助. （41671175、41171070）
