Abstract
The circulation in the western North Atlantic is studied within the framework of a nonlinear finite difference geostrophic inverse model using hydrographic and currentmeter data. The nonlinear inverse formalism is first reviewed. A circulation scheme compatible with the data, the mass conservation and the potential density equation is then derived. The optimal circulation scheme presents variations in the Gulf Stream transport with longitude. The variations are explained by the interaction of the Gulf Stream with recirculating gyres.
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Bretherton, F.P., R.E. Davis and C.B. Fandry (1976): A technique for objective analysis and design of oceanographic experiments applied to MODE-73, Deep Sea Res., 23A, 559–581.
Fuglister, F.C. (1960): Atlantic ocean atlas of temperature and salinity profiles and data from the International Geophysical Year of 1957–1958. Woods Hole Oceanographic Institution Atlas Series, 209 pp.
Fuglister, F.C. (1963): Gulf Stream ’60, Progr. Oceanogr., 1, 265–373.
Hall, M.M. (1986): Horizontal and vertical structure of the Gulf Stream velocity field at 68°W, J. Phys. Oceanogr, 16, 1814–1828.
Hogg, N.G. (1983): A note on the deep circulation of the western North Atlantic: its nature and causes, Deep Sea Res., 30A, 945–961.
Hogg, N.G., R.S. Pickart, R.M. Hendry and W.J. Smethie (1986): The northern recirculation gyre of the Gulf Stream, Deep Sea Res., 33, 1139–1165.
Jackson, D.D. (1979): The use of a priori data to resolve non-uniqueness in linear inversion, Geophys. J. R. Astron. Soc., 57, 137–157.
Joyce, T.M., C. Wunsch and S.D. Pierce (1986): Synoptic Gulf Stream velocity profiles through simultaneous inversion of hydrographic and acoustic doppler data, J. Geophys. Res., 91, 7573–7585.
Mercier, H. (1986): Determining the general circulation of the ocean: A nonlinear inverse problem, J. Geophys. Res., 91, 5103–5109.
Mercier, H. (1988): A study of the time-averaged circulation in the western North Atlantic by simultaneous nonlinear inversion of hydrographic and currentmeter data. Submitted to Deep Sea Res.
Richardson, P.L. (1985): Average velocity and transport of the Gulf Stream near 55°W, J. Marine Res., 43, 83–111.
Stommel, H. and G. Veronis (1981): Variational inverse method for study of the ocean circulation, Deep Sea Res., 28, 1147–1160.
Tarantola, A. and B. Valette (1982a): Inverse problems = quest for information, J. Geophys., 50, 159–170.
Tarantola, A. and B. Valette (1982b): Generalized nonlinear problems solved using the least squares criterion, Rev. Geophys., 20, 219–232.
Wunsch, C. (1977): Determining the general circulation of the oceans: a preliminary discussion. Science, 196, No. 4292, 871–875.
Wunsch, C. (1978): ‘The general circulation of the North Atlantic west of 50°W determined from inverse methods’, Rev. Geophys. Space Phys., 16, 583–620.
Wunsch, C. and J.F. Minster (1982): Methods for box models and ocean circulation tracers: mathematical programming and nonlinear inverse theory, J. Geophys. Res., 87, 5647–5662.
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© 1989 Kluwer Academic Publishers
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Mercier, H. (1989). The Circulation in the Western North Atlantic Determined by a Nonlinear Inverse Method. In: Anderson, D.L.T., Willebrand, J. (eds) Oceanic Circulation Models: Combining Data and Dynamics. NATO ASI Series, vol 284. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1013-3_5
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DOI: https://doi.org/10.1007/978-94-009-1013-3_5
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6946-5
Online ISBN: 978-94-009-1013-3
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