EAS372 Midterm: EAS 372 UofA 2011 Exam
31 Jan 2019
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The convective inhibition (cin) is de ned by the integral zb g. 2 2 (cid:21) , and f (x1) dx gives the probability that a randomly sampled value of x lies in the range x1 dx/2. 2: the semi-logarithmic mean wind pro le u(z) = u kv ln(cid:18) z z0(cid:19) u kv. [ ln(z) ln(z0) ] gives the mean wind speed in the surface layer of the atmosphere under neutral strati ca- tion (kv = 0. 4 is the von karman constant and z0 is the roughness length of the surface). The mean drag of the atmosphere on the ground is given by. Eqn. (a) and the friction velocity u is fundamentally de ned in terms of this atmospheric drag or friction as u =p / . 3: the diagonal elements of the reynolds stress matrix. Z k3/2 where the overbar denotes resolved properties, k is the eddy viscosity and is the resolved potential temperature.
