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- Urban_heat_island abstract "An urban heat island (UHI) is a metropolitan area that is significantly warmer than its surrounding rural areas due to human activities. 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. UHI is most noticeable during the summer and winter. The main cause of the urban heat island effect is from the modification of land surfaces, which use materials that effectively store short-wave radiation. Waste heat generated by energy usage is a secondary contributor. As a population center grows, it tends to expand its area and increase its average temperature. The less-used term heat island refers to any area, populated or not, which is consistently hotter than the surrounding area.Monthly rainfall is greater downwind of cities, partially due to the UHI. Increases in heat within urban centers increases the length of growing seasons, and decreases the occurrence of weak tornadoes. The UHI decreases air quality by increasing the production of pollutants such as ozone, and decreases water quality as warmer waters flow into area streams and put stress on their ecosystems.Not all cities have a distinct urban heat island. Mitigation of the urban heat island effect can be accomplished through the use of green roofs and the use of lighter-colored surfaces in urban areas, which reflect more sunlight and absorb less heat.Despite concerns raised about its possible contribution to global warming, comparisons between urban and rural areas show that the urban heat island effects have little influence on global mean temperature trends.".
- Urban_heat_island thumbnail HeatIsland_Kanto_en.png?width=300.
- Urban_heat_island wikiPageExternalLink heatisland.lbl.gov.
- Urban_heat_island wikiPageExternalLink heatisland.
- Urban_heat_island wikiPageExternalLink www.coolrooftoolkit.org.
- Urban_heat_island wikiPageExternalLink www.globalcoolcities.org.
- Urban_heat_island wikiPageExternalLink 2221.
- Urban_heat_island wikiPageExternalLink index.php?p=43.
- Urban_heat_island wikiPageExternalLink www.thegbi.org.
- Urban_heat_island wikiPageExternalLink www.urbanheatislands.com.
- Urban_heat_island wikiPageID "32236".
- Urban_heat_island wikiPageRevisionID "605438105".
- Urban_heat_island hasPhotoCollection Urban_heat_island.
- Urban_heat_island subject Category:Climate_change_science.
- Urban_heat_island subject Category:Climate_forcing.
- Urban_heat_island subject Category:Urbanization.
- Urban_heat_island comment "An urban heat island (UHI) is a metropolitan area that is significantly warmer than its surrounding rural areas due to human activities. 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. UHI is most noticeable during the summer and winter.".
- Urban_heat_island label "Hitte-eilandeffect".
- Urban_heat_island label "Ilha de calor".
- Urban_heat_island label "Isla de calor".
- Urban_heat_island label "Isola di calore".
- Urban_heat_island label "Miejska wyspa ciepła".
- Urban_heat_island label "Stadtklima".
- Urban_heat_island label "Urban heat island".
- Urban_heat_island label "Îlot de chaleur urbain".
- Urban_heat_island label "جزر حرارية حضرية".
- Urban_heat_island label "ヒートアイランド".
- Urban_heat_island label "熱島現象".
- Urban_heat_island sameAs Městské_tepelné_ostrovy.
- Urban_heat_island sameAs Stadtklima.
- Urban_heat_island sameAs Αστική_θερμονησίδα.
- Urban_heat_island sameAs Isla_de_calor.
- Urban_heat_island sameAs Hiriko_bero-uhartea.
- Urban_heat_island sameAs Îlot_de_chaleur_urbain.
- Urban_heat_island sameAs Pulau_bahang_perkotaan.
- Urban_heat_island sameAs Isola_di_calore.
- Urban_heat_island sameAs ヒートアイランド.
- Urban_heat_island sameAs 도시_열섬.
- Urban_heat_island sameAs Hitte-eilandeffect.
- Urban_heat_island sameAs Miejska_wyspa_ciepła.
- Urban_heat_island sameAs Ilha_de_calor.
- Urban_heat_island sameAs m.07xmh.
- Urban_heat_island sameAs Q215712.
- Urban_heat_island sameAs Q215712.
- Urban_heat_island wasDerivedFrom Urban_heat_island?oldid=605438105.
- Urban_heat_island depiction HeatIsland_Kanto_en.png.
- Urban_heat_island isPrimaryTopicOf Urban_heat_island.