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A PARAMETERIZATION OF THE LARGE-SCALE TRANSIENT EDDY FLUX OF RELATIVE ANGULAR MOMENTUM

BARRY SALTZMANThe Travelers Research Center, Inc., Hartford, Conn.

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ANANDU D. VERNEKARThe Travelers Research Center, Inc., Hartford, Conn.

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Abstract

The barotropic vorticity equation and zonal kinetic energy equation are used to derive a formula expressing the transport of relative angular momentum by large-scale transient eddies in terms of other mean zonally averaged variables. To test the formula, computations are made using the observed winter and summer zonal average conditions. Generally good agreement is found between the calculated and observed momentum transport.

New address: Department of Geology and Geophysics, Yale University, New Haven, Conn.

Abstract

The barotropic vorticity equation and zonal kinetic energy equation are used to derive a formula expressing the transport of relative angular momentum by large-scale transient eddies in terms of other mean zonally averaged variables. To test the formula, computations are made using the observed winter and summer zonal average conditions. Generally good agreement is found between the calculated and observed momentum transport.

New address: Department of Geology and Geophysics, Yale University, New Haven, Conn.

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