On Wed, 28 Dec 2005 07:08:55 +0000, Paul Hyett wrote in
Is there a rough formula which can be used to judge their effects -
based perhaps on population and/or city size?
The centre of Cheltenham tends to be a little warmer, but the effects
seem to be minimal more than 1 mile out.
TR Oke's work in the 70s and 80s is as good as any on this subject. He
showed a good link between the magnitude of the effect and ln population.
There seems to be quite a lot online e.g.
http://www.epa.gov/heatisland/resour...ngResource.pdf
http://www.actionbioscience.org/environment/voogt.html
http://64.233.183.104/search?q=cache...oud+wind&hl=en
Most studies were conducted in the ideal conditions of light winds and
clear skies, when the effect is a maximum. I recall Oke also suggested a
few simple formulae incorporating wind speed and cloud cover.
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Mike 55.13°N 6.69°W Coleraine posted to uk.sci.weather 28/12/2005 08:35:33 UTC