Investigaciones en el pecio de Camposoto: hacía la identificación del navío francés Fougueux

Mariscal, Nuria E. Rodríguez; Rieth, Éric; Izaguirre, Manuel

doi:10.33349/2010.75.3018

Cited by 4 publications

(3 citation statements)

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“…(b) Schematic of the Fougueux hull remains and rock outcrop with scattered cannons are based on Rodríguez Mariscal et al. ().…”

Section: Methodsmentioning

confidence: 99%

“…Thirty‐one cannons, a large anchor, and the central part of the hull remain at the site today. Despite exposure to open sea conditions, partial burial in sediment has resulted in the preservation of a considerable portion of the wooden hull structure (Rodríguez Mariscal et al., ). The remaining 15 × 7 m hull structure and associated artifacts are heavily encrusted with a layer of hard concretions.…”

Section: Methodsmentioning

confidence: 99%

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Evolution of a Shallow Water Wave‐Dominated Shipwreck Site: Fougueux (1805), Gulf of Cadiz

et al. 2016

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The evolution of the shallow water wave-dominated Fougueux wreck site in the Gulf of Cadiz was investigated through repeat bathymetric surveys, wave-and current-velocity field measurements, and numerical modeling. This multidisciplinary approach was used to understand the relationships between scouring, morphodynamic change, and hydrodynamic forcing. Field experiments and numerical models indicate that wave processes dominate site evolution. Numerical model outputs indicate current velocity, bed shear stress, orbital velocity, and specially wave fraction breaking (with an increase of 45% and 135% for weak and significant storm conditions, respectively) are all amplified at the site. Scour pits 0.8 m depth inshore and 0.4 m depth offshore of the wreck are developed in response to hydrodynamic forcing. Time-lapse bathymetric surveys quantify seasonal geomorphological change at the Fougueux. Up to 1.2 m of sediment is deposited and 0.7 m of sediment eroded in response to seasonal wave climate variation (an increase of 0.5 m for mean significant wave height, 0.9 m for significant wave height corresponding to 99% of nonexceedance probability, and 0.4 m·s −1 for mean near-bed orbital velocity during winter conditions). A two-dimensional scour model reproduces observed seasonal scour changes. Results have direct applications at all stages of a wreck site investigation. C 2016 Wiley Periodicals, Inc.

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“…(b) Schematic of the Fougueux hull remains and rock outcrop with scattered cannons are based on Rodríguez Mariscal et al. ().…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Evolution of a Shallow Water Wave‐Dominated Shipwreck Site: Fougueux (1805), Gulf of Cadiz

et al. 2016

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“…The wreck site is characterized by low to moderate wave energy conditions, with the exception of high the energetic winter storms from WSW. Partial burial in sediment has resulted in the preservation of a considerable portion of the wooden hull structure (15x7m 2 ) along with 31 cannons and a large anchor (Rodríguez Mariscal et al, 2010).…”

Section: Study Sitementioning

confidence: 99%

Waves and wrecks: A computational fluid dynamic study in an underwater archaeological site

Fernández-Montblanc

Izquierdo

Quinn³

et al. 2018

Ocean Engineering

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The modification of waves by shipwrecks and the resulting scour play important roles in shipwreck site formation, and conservation of archaeological sites. The oscillatory flow induced by waves and its interaction with the hull structure at a historic shipwreck site was analyzed using a two phase 2D model based on the Reynolds averaged Navier-Stokes equations and shear stress transport (SST) k-Omega turbulence model, with inputs from field-based bathymetric survey. The relative importance and seasonal variation in hydrodynamic processes were investigated (flow velocity increase, coherent structures and vortex shedding, turbulence and steady current induced by the non linearity of waves). Results demonstrate that frictional velocity and flow increase dominate morphological change in the low wave energy period (LEP), whereas turbulent shear stress and large coherent structures dominate scouring in the high wave energy period (HEP). Furthermore, flow acceleration around the hull structure and recirculation cells originated by wave non-linearities become more prominent in the HEP, modifying the trajectory of the shedding vortex and increasing its capacity to transport sediment. The results demonstrate, for the first time, that computational fluid dynamics is a valuable tool in assessing the wave structure interaction in full scale and realistic morphological conditions at complex shipwreck sites.

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Scattered shipwreck site prospection: the combined use of numerical modeling and documentary research (Fougueux, 1805)

Fernández-Montblanc

Izquierdo

Bethencourt

2016

Archaeol Anthropol Sci

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A shipwreck site located off Sancti Petri sand spit (Cadiz, Spain) was identified as a Temeraire-class 74-gun French ship. The archaeological deposits relate it to the Fougueux, sunken after the Battle of Trafalgar. The site contains some pieces of the naval structure, 32 iron guns, and a large anchor, but two thirds of the ship is missing. Available information (including ship logbooks of weather observations and other historic documents) establishes that a dismasted French ship ran aground on 22 October 1805 and broke up into pieces on the 25th due to tempestuous weather. Combining that information and a set of numerical models (ocean, atmosphere, and dispersion), we aim to simulate different scenarios in order to determine the most probable areas for finding the shipwreck remains of the Fougueux, taking into account the uncertainty of the information used and the modeling limitations. The probability of finding scattered remains belonging to the Fougueux was calculated using the modeled scenarios. As a result, it was found that the high probability area contained four additional sites comprising 40 guns and 5 anchors whose characteristics and dating are similar to those of the previously known site. The results of our study highlight the value of numerical modeling in underwater archaeology as a tool for the identification and optimization of resources in prospecting scattered shipwreck sites.

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Investigaciones en el pecio de Camposoto: hacía la identificación del navío francés Fougueux

Cited by 4 publications

References 0 publications

Evolution of a Shallow Water Wave‐Dominated Shipwreck Site: Fougueux (1805), Gulf of Cadiz

Evolution of a Shallow Water Wave‐Dominated Shipwreck Site: Fougueux (1805), Gulf of Cadiz

Waves and wrecks: A computational fluid dynamic study in an underwater archaeological site

Scattered shipwreck site prospection: the combined use of numerical modeling and documentary research (Fougueux, 1805)

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