urban heat island

(redirected from Heat-island phenomenon)

urban heat island

[′ər·bən ′hēt ‚ī·lənd]
(meteorology)
Increased urban temperatures of 1-2°C higher for daily maxima and 1-9°C for daily minima compared to rural environs resulting from changes in moisture balance due to impermeable surfaces, decreased humidity, or alteration in heat balance.
References in periodicals archive ?
To aid in reducing the effects of urban heat-island phenomenon, TMC has been working on urban greening products, of both the rooftop and indoor variety.
Assigned to tackle the heat-island phenomenon for Tokyo's Shibuya ward two years ago, Kojima helped draw up legislation requiring new buildings bigger than 300 square metres at ground level to plant gardens on a fifth of that surface.
said Monday it has set up a wholly owned subsidiary in China's Sichuan Province to mine and export water- and nutrient-retention peat for use in combating the so-called heat-island phenomenon and other weather-related problems in cities.
Their study indicated that a heat-island phenomenon had impacted certain limited areas in cities in addition to global warming.