Urban heat island
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An urban heat island (UHI) is a metropolitan area which is significantly warmer than its surrounding rural areas. The phenomenon was first investigated and described by Luke Howard in the 1810s, although he was not the one to name the phenomenon. The temperature difference usually is larger at night than during the day, and is most apparent when winds are weak. Seasonally, UHI is seen during both summer and winter. The main cause of the urban heat island is modification of the land surface by urban development which uses materials which effectively retain heat. Waste heat generated by energy usage is a secondary contributor. As a population center grows, it tends to expand its area, and increase in its average temperature. The less-used term heat island refers to any area, populated or not, which is consistently hotter than the surrounding area.
- See also: Wikipedia
- Related: Anthropogenic heat, Cool roof, David Parker (climatologist), Urban climatology, Urban dust dome, Urban thermal plume
| Land-Surface Air Temperature Land-Surface Air Temperature www.grida.no/climate/ipcc_tar/wg1/052.htm#2221 - Web |
| Lawrence Berkeley National Laboratory Heat Island ... Lawrence Berkeley National Laboratory Heat Island Group heatisland.lbl.gov - Web |
| NASA Earth Observatory: The Earth's Big Cities, Ur... NASA Earth Observatory: The Earth's Big Cities, Urban Heat Islands eobglossary.gsfc.nasa.gov/Study/GreenRoof/index.html - Web |
Gallery for «Urban heat island»
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| Urban Heat Islands and Climate Change Urban Heat Islands and Climate Change www.earthsci.unimelb.edu.au/~jon/WWW/uhi-melb.html - Web |
| Research and mitigation strategies on UHI Research and mitigation strategies on UHI asusmart.com/urbanclimate.php - Web |
| The Surface Temperature Record and the Urban Heat ... The Surface Temperature Record and the Urban Heat Island www.realclimate.org/index.php?p=43 - Web |
| Urban Heat Island research group Urban Heat Island research group isu1.indstate.edu/heatisland/ - Web |
| UrbanHeatIslands.com UrbanHeatIslands.com www.urbanheatislands.com - Web |
| Cool Roof and Pavement Toolkit Cool Roof and Pavement Toolkit www.coolrooftoolkit.org - Web |
| Global Cool Cities Alliance Global Cool Cities Alliance www.globalcoolcities.org - Web |
