Dynamics of warm-core mesoscale eddies

Liu Juping; A. D. Kirwan

doi:10.1007/BF02849661

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Dynamics of warm-core mesoscale eddies

OriginalPaper | Updated：2023-05-16

- Dynamics of warm-core mesoscale eddies
- Dynamics of warm-core mesoscale eddies
- 海洋湖沼学报（英文） 1990年8卷第3期页码：220-231
- Affiliations：
  
  1. Institute of Oceanology
  2. Department of Oceanography Old Dominion University
- Author bio：
- Funds：
  
  Contribution No.1747 from the Institute of Oceanology, Academia Sinica
- DOI：10.1007/BF02849661
  中图分类号：
- 纸质出版：1990
- Accepted：
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Dynamics of warm-core mesoscale eddies[J]. 海洋湖沼学报（英文）, 1990,8(3):220-231.

Juping, L., Kirwan, A.D. Dynamics of warm-core mesoscale eddies., Chin. J. Ocean. Limnol. 8, 220–231 (1990). https://doi.org/10.1007/BF02849661
Dynamics of warm-core mesoscale eddies[J]. 海洋湖沼学报（英文）, 1990,8(3):220-231. DOI： 10.1007/BF02849661.

Juping, L., Kirwan, A.D. Dynamics of warm-core mesoscale eddies., Chin. J. Ocean. Limnol. 8, 220–231 (1990). https://doi.org/10.1007/BF02849661 DOI：

摘要

Abstract

A nonlinear model of a warm-core ring is presented here. The model treats the warm core ring as a confined lens of fluid rotating on anf plane. A simple polynomial expansion of the hydrodynamic field variables about the center of mass of the lens provides the basis for an exact reduction of the hydrodynamic equations. Observations from two warm-core rings are compared with simulations from the nonlinear model. Fair agreement is found between model calculations and observations from the Gulf Stream and the Kuroshio.

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references

Ball, F. K., 1963. Some general theorems concerning the finite motion of a shallow rotating liquid lying on a paraboloid.J. Fluid Mech. 17: 204–256.

Cushman-Roisin B. W. H. Heil and D. Nof, 1985. Oscillations and rotations of elliptical warm-core ring.J. Geophys. Res. 90: 11756–11764.

Cushman-Roisin B. 1987. Exact analytical solutions for elliptical vortices of the shallow-water equations.Tellus. 39A: 235–244.

Gotthardt G. A. and G. J. Potocsky, 1974. Life of a Gulf Stream anticyclonic eddy observed from several oceanographic platforms.J. Phys. Oceanogr. 4: 131–134.

Joyce T. M. 1984. Velocity and hydrographic structure of a Gulf Stream warm-core ring.J. Phys. Oceanogr. 14: 936–947.

Kawai H., 1972. Physical Aspects of the Japan Current,In Kuroshio, Univ. of Washington Press, Seattle, pp. 235–352.

Kirwan, A. D., Jr., 1975. Oceanic velocity gradients.J. Phys. Oceanogr. 5: 729–735.

Kirwan, A. D. Jr., J. K. Lewis, A. W. Indest, P. Reinersman, and I. Quintero, 1988. Observed and simulated kinematic properties of loop current ring.J. Geophys. Res. 93: 1189–1198.

Kirwan, A. D., Jr. and Juping Liu, 1989. The shallow water equations on an F plane. To appear in Nonlinear Topics in Ocean Physics, Course CIX, Int'l. School of Physics “Enrico Fermi”, A.R. Osborne ed., North Holland.

Ripa, P., 1987. On the stability of elliptical vortex solutions of the shallow water equations.J. Fluid Mech. 183: 343–363.

Saunders P. M., 1971. Anticyclonic eddies formed from Shoreward meanders of the Gulf Stream.Deep Sea Res. 198: 1207–1219.

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