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Dynamics of steady ocean currents in the light of experimental fluid mechanics

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dc.contributor.author Rossby, Carl-Gustaf
dc.date.accessioned 2006-07-11T16:09:18Z
dc.date.available 2006-07-11T16:09:18Z
dc.date.issued 1936-08
dc.identifier.uri http://hdl.handle.net/1912/1088
dc.description.abstract The present investigation may be regarded as a part of a systematic effort to introduce into meteorology and physical oceanography methods and results which for a number of years have contributed to the rapid growth and increasing practical significance of experimental fluid mechanics. This science has recognized that the exact character of the forces controlling the motion of a turbulent fluid is not known and that consequently there is very little justification for a purely theoretical attack on problems of a practical character. For this reason fluid mechanics has been forced to develop a research technique all of its own, in which the theory is developed on the basis of experiments and then used to predict the behavior of fluids in cases which are not accessible to experimentation. In oceanography it has long been regarded as an axiom that the movements of the water are controlled by three forces, the horizontal pressure gradient, the deflecting force, and the frictional force resulting from the relative motion of superimposed strata. It is significant that thirty-five years of intensive theoretical work on this basis have failed to produce a theory capable of explaining the major features of the observed oceanic circulation below the pure drift current layer. The present investigation considers a force which has been completely disregarded by theoretical investigators although its existence has been admitted implicitly by practically everyone who has approached physical oceanography from the descriptive side, namely the frictional force resulting from large-scale horizontal mixing. The intro- . duction of this force permits us to see how motion generated in the surface layers may be diffused and finally dissipated without recourse to doubtful frictional forces at the bottom of the ocean. en
dc.format.extent 2272508 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Massachusetts Institute of Technology and Woods Hole Oceanographic Institution en
dc.relation.ispartofseries Papers in Physical Oceanography and Meteorology en
dc.relation.ispartofseries v.5, no.1 en
dc.subject Ocean currents en
dc.title Dynamics of steady ocean currents in the light of experimental fluid mechanics en
dc.type Book en
dc.identifier.doi 10.1575/1912/1088


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