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Covariance Analysis of the Global Atmospheric Axial Angular Momentum Budget

2002
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Monthly Weather Review
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Given the budget equation for the global axial angular momentum M, the related covariance equations are derived. These equations allow one to study the response of the global angular momentum to the forcing by mountain and friction torques in a statistical framework. ECMWF reanalysis (ERA) data are used to evaluate the terms of these equations and to assess their relative importance. Moreover, a new test of the quality of these data is provided this way. The decay of the autocovariance function

doi:10.1175/1520-0493(2002)130<1063:caotga>2.0.co;2
fatcat:g7sds7l2grgs3j3y7o5tctqt5a