The earths surface creates a boundary layer in the


The Earth's surface creates a boundary layer in the atmosphere. The velocity profile near the surface can be expressed as a power law, u = a * y n, where the constants a and n depend on the roughness of the surface. Typical values for a flat surface (such as a hard ground or an ocean) are a = 8.00(ft^0.9)/s and n = 0.10, while values for a forested area with trees a = 1.43(ft^0.65)/s and n = 0.35. Make a table of values for both surfaces of the velocity profile from the surface (y = 0 ft) to y = 1000 ft at 100 ft intervals. Plot the values on a graph of u versus y. (Make sure to show how to reduce all of your units.)

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Civil Engineering: The earths surface creates a boundary layer in the
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