Climatic controls of the cool human thermal sensation in a summertime onshore wind |
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Authors: | Stanton E Tuller |
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Institution: | (1) Department of Geography, University of Victoria, Box 3050, Victoria, B.C., Canada, V8W 3P5, CA |
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Abstract: | Afternoon observations in summer comparing shoreline with inland atmospheric conditions were made during onshore winds at
Victoria, British Columbia, Canada. The onshore wind came from a cool water surface. Mean monthly water temperatures near
to shore were between 11 and 11.5° C. The onshore wind brought lower air, ground surface radiant and sky radiant temperatures;
lower humidity and greater wind speed. All of these combine to produce a cooler human environment at the shoreline than inland.
The relative importance of climatic elements in producing the cooler environment was assessed using sensitivity analyses with
eight different human thermal exchange models/indices. Air temperature and wind speed had the greatest effect, followed by
ground surface radiant temperature, sky radiant temperature and humidity. Wind speed is the most practical element to consider
when trying to maximize human comfort along the shoreline.
Received: 9 July 1996 / Revised: 31 March 1997 / Accepted: 14 April 1997 |
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Keywords: | Human thermal exchange Onshore wind Sea breeze |
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