Accession Number : AD0676579

Title :   A NUMERICAL TREATMENT OF STEADY, FRICTIONAL BOUNDARY CURRENTS IN A HOMOGENEOUS OCEAN APPLIED TO A TWO-PORT BASIN.

Descriptive Note : Technical rept.,

Corporate Author : TEXAS A AND M UNIV COLLEGE STATION DEPT OF OCEANOGRAPHY

Personal Author(s) : Jacobs,Clifford A. ; Nowlin,Worth D. , Jr

Report Date : SEP 1968

Pagination or Media Count : 85

Abstract : Considered are three models of steady currents in a homogeneous ocean of uniform depth. Neglecting driving forces and nonlinear field accelerations, a frictional model is formulated which allows vertical and horizontal exchange of momentum due to turbulence. Two limiting cases of the complete model are obtained by considering vertical and horizontal turbulence separately. Turbulent exchange of horizontal momentum in the vertical and horizontal is brought about by stresses proportional to the shear of horizontal velocity in the vertical and horizontal, respectively. The proportionality constants control the internal dissipation of energy from the steady organized flow and thus the circulation patterns. The magnitude of the coefficient of bottom stress was estimated from physical considerations; the coefficient of lateral stress is based on estimates in the literature. The model basin has an inlet and an outlet through which the volume transport is specified. For some solutions to the bottom-friction model the flow was required to be normal to the inlet port, but the distribution across the openings was a part of the solution. In all cases of the lateral-friction and complete models the spatial distribution of transport as well as the flow direction were specified across the ports. (Author)

Descriptors :   (*OCEAN CURRENTS, MATHEMATICAL MODELS), TURBULENCE, SHEAR STRESSES, VELOCITY, ENERGY, WIND, INTENSITY, EQUATIONS OF MOTION, INTERACTIONS, DIFFERENTIAL EQUATIONS, TRANSPORT PROPERTIES

Subject Categories : Physical and Dynamic Oceanography

Distribution Statement : APPROVED FOR PUBLIC RELEASE