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The Wave Model EXACT-NL

  • S. Hasselmann
  • K. Hasselmann

Abstract

The evolution of a windsea spectrum is strongly controlled by the nonlinear energy transfer S n1 due to resonant wave—wave interactions. Since the exact computation of this process is very time-consuming, most operational wave models are dependent on some form of parametrization of this source function. However, recent, more efficient methods of computing the exact three-dimensional integral expression for S nl (Hasselmann and Hasselmann, 1981, 1985) have made it feasible to carry out integrations of the wave transport equation with the exact form for S nl, at least for simple cases in which only one integration variable occurs.

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References

  1. Hasselmann, K. (1974): On the spectral dissipation of ocean waves due to whitecapping. Boundary-Layer-Meteorol., 6, 107–127.Google Scholar
  2. Hasselmann, S., and K. Hasselmann (1981): A symmetrical method of computing the nonlinear transfer in a gravity wave spectrum. Hamb. Geophys. Einzelschr. 52.Google Scholar
  3. Hasselmann, S., and K. Hasselmann (1985): Computations and parameterizations of the nonlinear energy transfer in a gravity wave spectrum. Part 1: A new method for efficient computations of the exact nonlinear transfer integral. J. Phys. Oceanogr. (in press).Google Scholar
  4. Hasselmann, S., K. Hasselmann, J. H. Allender, and T. P. Barnett (1985): Computations and parameterizations of the nonlinear energy transfer in a gravity wave spectrum. Part 2: Parameterizations of the nonlinear energy transfer for application in wave models. J. Phys. Oceanogr. (in press).Google Scholar
  5. Komen, G. J., S. Hasselmann, and K. Hasselmann (1984): On the existence of a fully developed windsea spectrum. J. Phys. Oceanogr. 14, 1271–1285.CrossRefGoogle Scholar
  6. Snyder, R. L., F. W. Dobson, J. A. Elliot, and R. B. Long (1981): Array measurements of atmospheric pressure fluctuations above surface gravity waves. J. Fluid Mech. 102, 1–59.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1985

Authors and Affiliations

  • S. Hasselmann
    • 1
  • K. Hasselmann
    • 1
  1. 1.Max-Planck-Institut für Meteorologie2000 Hamburg 13Federal Republic of Germany

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