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amenity
Joined: 22 Nov 2006
Posts: 775
Location: Dovercourt
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 Posted: Wed Feb 14, 2007 1:13 am Post subject: Urban heat island |
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This is worth considering. Link below.
An urban heat island (UHI) is a metropolitan area which is significantly warmer than its surroundings. As population centres grow in size from village to town to city, they tend to have a corresponding increase in average temperature, which is more often welcome in winter months than in summertime. The EPA says: "On hot summer days, urban air can be 2-10°F [2-6°C] hotter than the surrounding countryside. Not to be confused with global warming, scientists call this phenomenon the 'urban heat island effect'"
http://en.wikipedia.org/wiki/Urban_heat_island
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ivan burit
Joined: 26 Dec 2006
Posts: 1238
Location: live the life you love, love the life you lead, if that fails, buy a big Harley Davidson.
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| Posted: Wed Feb 14, 2007 7:41 am Post subject: the uhi effect, and how you notice it without |
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Its quite simple to actually see the effects of this mystical UHI effect...When our weather is good to us, and its been a scorcher of a few days, if you are lucky enough to own and drive either a convertable car, or a motorcycle, then go for a ride in the dead of night in the town and out to open country side, then come back....The heat change hits you in the face in no more than half a mile apart from the two different areas...Towns and built up areas are just like storage heaters at night, yet less than half a mile into open land its so much cooler... As an ex resident of town living for more than 30 years, and an ex night worker working in a place surrounded by fields that was only a couple of miles from my ex home, belive me i know the difference in temperatures....So then, when does these experts take readings on temperatures, or where.....Sounds a bit like used car salesmans talk to me, you know what i mean, its a lovely car sir, only had 1 owner who only used it to go to church on sunday (that church was 5,000 miles away i recon..lol..)
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