How urban areas modify wind 0.0 / 5 ? GeographyWeather systemsA2/A-levelAQA Created by: Georgew298Created on: 01-04-16 11:40 What are windspeeds like in urban areas compared to rural? Average windspeeds are 5% lower due to buildings and surface friction 1 of 5 Why are wind speeds variable in Urban areas? Some buildings will have gustier winds blowing against them and venturi effect means wind is funneled between tall buildings 2 of 5 How is turbulence created? When wind hits the side of a building and is deflected in all directions which creates vortices 3 of 5 - - 4 of 5 - - 5 of 5
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