Semiempirical Dissipation Source Functions for Ocean Waves. Part I: Definition, Calibration, and Validation

By Fabrice Ardhuin, Erick Rogers, A. Babanin, J. Filipot, R. Magne, A. Roland, A. J. Westhuysen, Pierre Queffeulou, Jean-Michel Lefevre, Lotfi Aouf and 1 more. 2009

858 citations recorded by the source corpus.

Abstract New parameterizations for the spectral dissipation of wind-generated waves are proposed. The rates of dissipation have no predetermined spectral shapes and are functions of the wave spectrum and wind speed and direction, in a way consistent with observations of wave breaking and swell dissipation properties. Namely, the swell dissipation is nonlinear and proportional to the swell steepness, and dissipation due to wave breaking is nonzero only when a nondimensional spectrum exceeds the threshold at which waves are observed to start breaking. An additional source of short-wave dissipation is introduced to represent the dissipation of short waves due to longer breaking waves. A reduction of the wind-wave generation of short waves is meant to account for the momentum flux absorbed by longer waves. These parameterizations are combined and calibrated with the discrete interaction approximation for the nonlinear interactions. Parameters are adjusted to reproduce observed shapes of directional wave spect...

Subfields: Atmospheric Science, Oceanography

View Paper: https://www.semanticscholar.org/paper/d1fa2bd67f516e66e3d1d530e172513474540a47

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Citations in the corpus

A global wave parameter database for geophysical applications. Part 2: Model validation with improved source term parameterization (2013, methodology): “The observed mean square slope follows the behavior shown in Ardhuin et al. (2010), with an increase as a function of both wind speed and wave height (not shown here for the mss, but shown for the Stokes drift in the next section).”
Wave-ice interactions in the marginal ice zone. Part 1: Theoretical foundations (2013, positive): “Masson and LeBlond (1989) were the first to incorporate the effects of ice into the wave energy transport/balance equation that had previously been only used to model waves in open water (Gelci et al., 1957; Hasselmann, 1960; WAMDI Group, 1988; Ardhuin et al., 2010).”
Numerical Wave Modeling in Conditions with Strong Currents: Dissipation, Refraction, and Relative Wind. J (2012, methodology): “Compared to all other parameterization, based on a global or local steepness, Ardhuin et al. (2010) followed Tolman and Chalikov (1996) by including a separate swell dissipation term, but that effect is negligible at the scales, under 100 km, considered in the present paper. b. Observations and…”
Ocean wave sources of seismic noise (2011, neutral): “%) positive bias for low‐frequency energies f < 0.08 Hz along the U.S. west coast, which is noticeable in a high bias of modeled peak periods [Ardhuin et al., 2010].”
Observation-Consistent Input and Whitecapping Dissipation in a Model for Wind-Generated Surface Waves: Description and Simple Calculations (2012, methodology): “Though they have been implemented separately in some fashion previously (section 1), these two features were not included together in any numerical model until very recently [e.g., Tsagareli (2009) in an academic model and Ardhuin et al. (2010) in WAVEWATCH III].”
User manual and system documentation of WAVEWATCH III R version 4.18 (2014, background): “• Adding Ardhuin et al. (2010) source term package (see section 2.3.9), and SHOWEX bottom friction source term (see section 2.3.13, model version 4.04) • Adding iceberg blocking (model version 4.05).”