TM5-803-14
Figure 4-18. Methods of Erosion Control.
climates and the temperate climate in summer,
Table 4-2. Relative Surface Temperatures in Summer at Noon.
the goal is to maximize breezes by channelling
125 degrees reflected
Side of Building
them with topography, vegetation, walls or fences.
125 degrees
Asphalt Road or Drive
Windbreaks can be used to minimize turbulence
110 degrees
Concrete Sidewalk
caused by undesirable winds.
94 degrees
Unshaded Lawn
88 degrees
c. Snow. Plant material can be used to reduce
Shaded Lawn
snow accumulation along walks, roads and the per-
b. Wind. Wind, to a large extent, determines the
imeters of parking lots and at building entrances.
level of comfort which can be achieved in the cold
4-8. Utilities.
or heat conditions found on site. In the cool
climate or the temperate climate during winter,
Utility systems should minimize interruption of
the wind chill factor can substantially lower the
the natural site while meeting basic functional cri-
perceived temperature. Topography, vegetation,
teria and economizing on costs. Utilities should be
walls or fences can be used as windbreaks. In hot
placed underground to avoid conflicts with the
4-17
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