Investigating the impact of surface wave breaking on modeling the trajectories of drifters in the northern Adriatic Sea during a wind-storm event

Carniel, Sandro; Warner, John C.; Chiggiato, Jacopo; Sclavo, Mauro

doi:10.1016/j.ocemod.2009.07.001

Cited by 82 publications

(84 citation statements)

References 55 publications

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“…The spin-up was performed with the coupling technique between atmosphere and ocean (run AO, described further on) in order to achieve consistency with the dynamic atmospheric fields, with the use of the GFS-FNL dataset for initial and boundary conditions. In these simulations, ROMS used the Generic Length Scale mixing scheme as in [34].…”

Section: Ocean Modelmentioning

confidence: 99%

Sensitivity of a Mediterranean Tropical-Like Cyclone to Different Model Configurations and Coupling Strategies

et al. 2017

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Abstract:In November 2011, an Atlantic depression affected the Mediterranean basin, eventually evolving into a Tropical-Like Cyclone (TLC or Mediterranean Hurricane, usually designated as Medicane). In the region affected by the Medicane, mean sea level pressures down to 990 hPa, wind speeds of hurricane intensity close to the eye (around 115 km/h) and intense rainfall in the prefrontal zone were reported. The intensity of this event, together with its long permanence over the sea, suggested its suitability as a paradigmatic case for investigating the sensitivity of a numerical modeling system to different configurations, air-sea interface parameterizations and coupling approaches. Toward this aim, a set of numerical experiments with different parameterization schemes and levels of coupling complexity was carried out within the Coupled Ocean Atmosphere Wave Sediment Transport System (COAWST), which allows the description of air-sea dynamics by coupling an atmospheric model (WRF), an ocean circulation model (ROMS), and a wave model (SWAN). The sensitivity to different initialization times and Planetary Boundary Layer (PBL) parameterizations was firstly investigated by running a set of WRF standalone (atmospheric-only) simulations. In order to better understand the effect of coupling on the TLC formation, intensification and trajectory, different configurations of atmosphere-ocean coupling were subsequently tested, eventually including the full coupling among atmosphere, ocean and waves, also changing the PBL parameterization and the formulation of the surface roughness. Results show a strong sensitivity of both the trajectory and the intensity of this TLC to the initial conditions, while the tracks and intensities provided by the coupled modeling approaches explored in this study do not introduce drastic modifications with respect to those resulting from a fine-tuned standalone atmospheric run, though they provide by definition a better physical and energetic consistency. Nevertheless; the use of different schemes for the calculation of the surface roughness from wave motion, which reflects the description of air-sea interface processes, can significantly affect the results in the fully coupled runs.

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Section: Ocean Modelmentioning

confidence: 99%

Sensitivity of a Mediterranean Tropical-Like Cyclone to Different Model Configurations and Coupling Strategies

et al. 2017

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“…River flow is a useful indicator of freshwater resources and availability, which makes it useful for the indication of climate changes and increasing flooding events (Falloon and Betts, 2006). Freshwater discharge occurs locally, at the river mouth, and forces ocean circulations regionally through changes in density (Dai et al, 2009) and surface layer velocity distribution because of the momentum flux and turbulence (Carniel et al, 2009). It also changes the stratification of the near-surface layer and temperature of the mixed layer, (Carton, 1991) and plays a key role in global biogeochemical cycles (Dai et al, 2009).…”

Section: Significance Of Extreme Freshwater Outflow Calculation In Comentioning

confidence: 99%

Modeling of extreme freshwater outflow from the north-eastern Japanese river basins to western Pacific Ocean

Trošelj

Sayama

Varlamov

et al. 2017

Journal of Hydrology

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“…1), the most visible and impacting results are related to flooding or high wave conditions, coastal vulnerability and erosion processes (Carniel et al, 2011). In addition to this, dominant winds play a major role in triggering the associated surface stresses, which affect the water circulation (see, for example, Carniel et al, 2009). They also modify the heat budget by inducing significant water cooling episodes and triggering the dense shelf water formation episodes (see Supic and Vilibic, 2005;Carniel et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Wave climate of the Adriatic Sea: a future scenario simulation

Benetazzo

Fedele

Carniel

et al. 2012

Nat. Hazards Earth Syst. Sci.

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Abstract. We present a study on expected wind wave severity changes in the Adriatic Sea for the period 2070–2099 and their impact on extremes. To do so, the phase-averaged spectral wave model SWAN is forced using wind fields computed by the high-resolution regional climate model COSMO-CLM, the climate version of the COSMO meteorological model downscaled from a global climate model running under the IPCC-A1B emission scenario. Namely, the adopted wind fields are given with a horizontal resolution of 14 km and 40 vertical levels, and they are prepared by the Italian Aerospace Research Centre (CIRA). Firstly, in order to infer the wave model accuracy in predicting seasonal variability and extreme events, SWAN results are validated against a control simulation, which covers the period 1965–1994. In particular, numerical predictions of the significant wave height Hs are compared against available in-situ data. Further, a statistical analysis is carried out to estimate changes on wave storms and extremes during the simulated periods (control and future scenario simulations). In particular, the generalized Pareto distribution is used to predict changes of storm peak Hs for frequent and rare storms in the Adriatic Sea. Finally, Borgman's theory is applied to estimate the spatial pattern of the expected maximum wave height Hmax during a storm, both for the present climate and that of the future scenario. Results show a future wave climate in the Adriatic Sea milder than the present climate, even though increases of wave severity can occur locally.

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Investigating the impact of surface wave breaking on modeling the trajectories of drifters in the northern Adriatic Sea during a wind-storm event

Cited by 82 publications

References 55 publications

Sensitivity of a Mediterranean Tropical-Like Cyclone to Different Model Configurations and Coupling Strategies

Sensitivity of a Mediterranean Tropical-Like Cyclone to Different Model Configurations and Coupling Strategies

Modeling of extreme freshwater outflow from the north-eastern Japanese river basins to western Pacific Ocean

Wave climate of the Adriatic Sea: a future scenario simulation

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