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RS与GIS支持下城市热岛效应与绿地空间相关性研究 被引量:41
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作者 王勇 李发斌 +3 位作者 李何超 贾刘强 荆创利 兴光 《环境科学研究》 EI CAS CSCD 北大核心 2008年第4期81-87,共7页
在RS和GIS技术支持下,以LANDSAT ETM+为数据源,综合运用遥感热红外影像的地温反演、遥感影像分割、空间聚集性分析、混合像元分解、基于遥感信息模型的地理建模及多元线性回归分析等技术,提取了青岛市城市热岛与绿地空间格局,并定量分... 在RS和GIS技术支持下,以LANDSAT ETM+为数据源,综合运用遥感热红外影像的地温反演、遥感影像分割、空间聚集性分析、混合像元分解、基于遥感信息模型的地理建模及多元线性回归分析等技术,提取了青岛市城市热岛与绿地空间格局,并定量分析了绿地格局与城市热岛效应的相关性及其对城市热岛的缓解机制.结果表明:城市热岛效应在给定尺度上与植被盖度呈负相关关系,与绿地斑块密度指数和分维数呈正相关关系. 展开更多
关键词 城市热岛 热场基元 Gi^*指数 植被盖度 混合像元分解 遥感信息模型
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Study on the Ecosystem Services Value of Fei County Based on RS and GIS 被引量:1
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作者 崔敬涛 吴国平 +2 位作者 马庆申 范庆亚 汪佳莉 《Agricultural Science & Technology》 CAS 2013年第8期1171-1173,1177,共4页
[Objective] With the background of dramatic changes in land use patterns,the aim was to explore the ecosystem services value of Fei County based on RS and GIS.[Method] Ecological changes in the environment can bring c... [Objective] With the background of dramatic changes in land use patterns,the aim was to explore the ecosystem services value of Fei County based on RS and GIS.[Method] Ecological changes in the environment can bring changes in economic value expressed quantitatively by ecosystem service value (ESV).According to modified ESV equivalency factor tables and three periods of interpreted TM remote sensing images in 1990,2000 and 2009,this paper calculated the total ESV in Fei County,Shandong Province,China and analyzed the relationship between ESV and the land-use changes at last.[Result] The results showed that the total ESV of the study area decreased from 2.144×109 yuan in 1990,2.139×109 yuan in 2000,and at last to 2.098×109 yuan in 2009 as the overall study area land use pattern changed dramatically,in which the built-up land increased by 23%,while the cropland and forest were constantly on the decrease.[Conclusion] The research provides theoretical support for the construction of high efficient ecological economic zone and sustainable development of the region. 展开更多
关键词 Ecosystem services value Coefficient of sensitivity RS and GIS Feicounty
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