An investigation of momentum exchange parameterizations and atmospheric forcing for the Coastal Mixing and Optics Program
Martin, Michiko J.
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This thesis presents an investigation of the influence of surface waves on momentum exchange. A quantitative comparison of direct covariance friction velocity measurements to bulk aerodynamic and inertial dissipation estimates indicates that both indirect methods systematically underestimate the momentum flux into developing seas. To account for wave-induced processes and yield improved flux estimates, modifications to the traditional flux parameterizations are explored. Modification to the bulk aerodynamic method involves incorporating sea state dependence into the roughness length calculation. For the inertial dissipation method, a new parameterization for the dimensionless dissipation rate is proposed. The modifications lead to improved momentum flux estimates for both methods.
Submitted in partial fulfillment of the requirements for the degree of Master of Science at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution September 1998
Suggested CitationThesis: Martin, Michiko J., "An investigation of momentum exchange parameterizations and atmospheric forcing for the Coastal Mixing and Optics Program", 1998-09, DOI:10.1575/1912/5343, https://hdl.handle.net/1912/5343
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