A global wave parameter database for geophysical applications. Part 1: Wave-current–turbulence interaction parameters for the open ocean based on traditional parameterizations

Rascle, Nicolas; Ardhuin, Fabrice; Queffeulou, P.; Croizé-Fillon, Denis

doi:10.1016/j.ocemod.2008.07.006

Cited by 130 publications

(130 citation statements)

References 89 publications

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“…For GLS models, z 0 is expressed as a function of the significant wave height H s expressed as a function of the wave age W age as suggested by Rascle et al (2008):…”

Section: Surface Roughnessmentioning

confidence: 99%

Modelling turbulent vertical mixing sensitivity using a 1-D version of NEMO

2015

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Abstract. Through two numerical experiments, a 1-D vertical model called NEMO1D was used to investigate physical and numerical turbulent-mixing behaviour. The results show that all the turbulent closures tested (k + l from Blanke and Delecluse, 1993, and two equation models: generic length scale closures from Umlauf and Burchard, 2003) are able to correctly reproduce the classical test of Kato and Phillips (1969) under favourable numerical conditions while some solutions may diverge depending on the degradation of the spatial and time discretization. The performances of turbulence models were then compared with data measured over a 1-year period (mid-2010 to mid-2011) at the PAPA station, located in the North Pacific Ocean. The modelled temperature and salinity were in good agreement with the observations, with a maximum temperature error between −2 and 2 • C during the stratified period (June to October). However, the results also depend on the numerical conditions. The vertical RMSE varied, for different turbulent closures, from 0.1 to 0.3 • C during the stratified period and from 0.03 to 0.15 • C during the homogeneous period. This 1-D configuration at the PAPA station (called PAPA1D) is now available in NEMO as a reference configuration including the input files and atmospheric forcing set described in this paper. Thus, all the results described can be recovered by downloading and launching PAPA1D. The configuration is described on the NEMO site (http://www.nemo-ocean.eu/Using-NEMO/ Configurations/C1D_PAPA). This package is a good starting point for further investigation of vertical processes.

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“…For GLS models, z 0 is expressed as a function of the significant wave height H s expressed as a function of the wave age W age as suggested by Rascle et al (2008):…”

Section: Surface Roughnessmentioning

confidence: 99%

Modelling turbulent vertical mixing sensitivity using a 1-D version of NEMO

2015

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“…Ideally, we should not use the significant wave height, but the significant wave height of the wind-sea only H sw . Given that the swells have a small surface slope and consequently do not break, it is more appropriate to use the wave height of the wind sea only to calculate the roughness length instead of the significant wave height H s (Rascle et al, 2008). This value is calculated according to Rascle et al (2008) (Eq.…”

Section: Wave-induced Vertical Mixingmentioning

confidence: 99%

Three-dimensional modelling of wave-induced current from the surf zone to the inner shelf

et al. 2012

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Abstract. We develop and implement a new method to take into account the impact of waves into the 3-D circulation model SYMPHONIE (Marsaleix et al., 2008(Marsaleix et al., , 2009a following the simplified equations of , which use glm2z-RANS theory (Ardhuin et al., 2008c). These adiabatic equations are completed by additional parameterizations of wave breaking, bottom friction and wave-enhanced vertical mixing, making the forcing valid from the surf zone through to the open ocean. The wave forcing is performed by wave generation and propagation models WAVEWATCH III ® (Tolman, 2008(Tolman, , 2009Ardhuin et al., 2010) and SWAN (Booij et al., 1999). The model is tested and compared with other models for a plane beach test case, previously tested by Haas and Warner (2009) Finally, a realistic case is simulated with energetic waves travelling over a coast of the Gulf of Lion (in the northwest of the Mediterranean Sea) for which currents are available at different depths as well as an accurate bathymetric database of the 0-10 m depth range. A grid nesting approach is used to account for the different forcings acting at different spatial scales. The simulation coupling the effects of waves and currents is successful to reproduce the powerful northward littoral drift in the 0-15 m depth zone. More precisely, two distinct cases are identified: When waves have a normal angle of incidence with the coast, they are responsible for complex circulation cells and rip currents in the surf zone, and when they travel obliquely, they generate a northward littoral drift. These features are more complicated than in the test cases, due to the complex bathymetry and the consideration of wind and non-stationary processes. Wave impacts in the inner shelf are less visible since wind and regional circulation seem to be the predominant forcings. Besides, a discrepancy between model and observations is noted at that scale, possibly linked to an underestimation of the wind stress.This three-dimensional method allows a good representation of vertical current profiles and permits the calculation of the shear stress associated with waves and currents. Future work will focus on the combination with a sediment transport model.

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“…If no observational nor modelling 748 C. Maraldi et al: Assessment of the Iberia-Biscay-Ireland configuration data are available, various empirical formulae express H s as a function of wind stress. We followed here the formulation of Rascle et al (2008) so that…”

Section: Nemo Physics and Numerical Aspectsmentioning

confidence: 99%

“…Rascle et al (2008) showed that Eq. (4b) better fits their model dataset compared to the classical approach that sets β to a constant value.…”

Section: Nemo Physics and Numerical Aspectsmentioning

confidence: 99%

NEMO on the shelf: assessment of the Iberia–Biscay–Ireland configuration

et al. 2013

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Abstract. This work describes the design and validation of a high-resolution (1/36 • ) ocean forecasting model over the "Iberian-Biscay-Irish" (IBI) area. The system has been setup using the NEMO model (Nucleus for European Modelling of the Ocean). New developments have been incorporated in NEMO to make it suitable to open-as well as coastal-ocean modelling. In this paper, we pursue three main objectives: (1) to give an overview of the model configuration used for the simulations; (2) to give a broad-brush account of one particular aspect of this work, namely consistency verification; this type of validation is conducted upstream of the implementation of the system before it is used for production and routinely validated; it is meant to guide model development in identifying gross deficiencies in the modelling of several key physical processes; and (3) to show that such a regional modelling system has potential as a complement to patchy observations (an integrated approach) to give information on non-observed physical quantities and to provide links between observations by identifying broader-scale patterns and processes. We concentrate on the year 2008. We first provide domain-wide consistency verification results in terms of barotropic tides, transports, sea surface temperature and stratification. We then focus on two dynamical subregions: the Celtic shelves and the Bay of Biscay slope and deep regions. The model-data consistency is checked for variables and processes such as tidal currents, tidal fronts, internal tides and residual elevation. We also examine the representation in the model of a seasonal pattern of the Bay of Biscay circulation: the warm extension of the Iberian Poleward Current along the northern Spanish coast (Navidad event) in the winter of 2007-2008.

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A global wave parameter database for geophysical applications. Part 1: Wave-current–turbulence interaction parameters for the open ocean based on traditional parameterizations

Cited by 130 publications

References 89 publications

Modelling turbulent vertical mixing sensitivity using a 1-D version of NEMO

Modelling turbulent vertical mixing sensitivity using a 1-D version of NEMO

Three-dimensional modelling of wave-induced current from the surf zone to the inner shelf

NEMO on the shelf: assessment of the Iberia–Biscay–Ireland configuration

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