Spatial patterns of the urban heat island in Zaragoza (Spain)

被引：14
|
作者：
Vicente-Serrano, SM
Cuadrat-Prats, JM
Saz-Sánchez, MA
机构：
[1] CSIC, Inst Pirenaico Ecol, Spanish Res Council, E-50080 Zaragoza, Spain
[2] Univ Cambridge, Unit Landscape Modelling, Cambridge CB2 1QB, England
[3] Univ Zaragoza, Dept Geog, E-50009 Zaragoza, Spain
来源：
CLIMATE RESEARCH | 2005年 / 30卷 / 01期
关键词：
urban climate; urban heat island; spatial patterns; principal component analysis; surface wind; Zaragoza; Spain;
D O I：
10.3354/cr030061
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Spatial patterns of the urban heat island (UHI) in Zaragoza (Spain) were determined by Principal Component Analysis (VARIMAX rotation) of air temperature in the city, and mapped using GIS. The 3 components extracted accounted for 92.9% of the total variance. Principal component (PC) 1 accounted for the most general patterns of UHI, PC2 showed a shift of warm areas to the SE and PC3 a shift to the NW. A rotated component matrix was used to identify correlations between each component and daily maps. The spatial patterns indicated by PC2 and PC3 were determined by surface wind direction. The displacement of warm areas to the SE (PC2) was greater during NW winds while the shift to the NW (PC3) was produced mainly by SE winds.
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页码：61 / 69
页数：9
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