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Registros recuperados: 6
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Amoco Cadiz. Premières observations des conséquences à court terme de la pollution par hydrocarbures sur l'environnement marin. Journée spéciale Amoco Cadiz, Brest, France - 7 juin 1978 ArchiMer
Conan, Gérard; D'Ozouville, Laurent; Marchand, Michel.
L'ensemble des observations scientifiques réalisées tant à la côte qu'en mer représentait dès le premier mois après l' accident une quantité importante d'informations et de données qu'il convenait de recueillir. La décision de tenir au Centre Océanologique de Bretagne la réunion annuelle du groupe de Travail du Conseil I nternational pour l' Exploration de la Mer consacrée à l' étude des hydrocarbures dans le milieu marin, a fourni l'occasion recherchée : en dehors de la session ordinaire du groupe, qui s 'est déroulée les 8 et 9 Juin 1978, une séance extraordinaire consacrée à l'exposé des résultats préliminaires obtenus par les diverses équipes sicentifiques a eu lieu le 7 Juin 1978. Le présent volume regroupe sous forme d 'une quinzaine de textes les 19...
Tipo: Text
Ano: 1978 URL: http://archimer.ifremer.fr/doc/00451/56295/57876.pdf
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Baie du mont saint-Michel - Etude écologique d'avant projet du site marémoteur du golfe normano-breton - Etude bio sédimentaire du secteur oriental de la baie ArchiMer
Guillaumont, Brigitte; Hamon, Dominique; D'Ozouville, Laurent.
Un des aspects de l'étude écologique d'avant-projet du site marémoteur du golfe normano-breton confié par EDF au CNEXO a consisté à identifier les peuplements benthiques de la zone intertidale de la baie du Mont-St-Michel. L'idée directrice a été de définir les différentes composantes faunistiques de la baie en fonction~ notamment la nature du substrat et du niveau bathymétrique. L'analyse des données bibliographiques a fait rapidement apparaître le manque de données biologiques dans la partie orientale de la baie, aussi l'étude a-t-elle été centrée sur ce secteur.
Tipo: Text
Ano: 1984 URL: http://archimer.ifremer.fr/doc/00004/11522/8103.pdf
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Effect of coastal processes on the distribution and persistence of oil spilled by the Amoco-Cadiz - Preliminary conclusions ArchiMer
D'Ozouville, Laurent; Gundlach, E.r.; Hayes, M.o..
The section of North Brittany contaminated by the "AMOCO-CADIZ" oil spill (17 March 1978) is a low-lying ria coastline dominated by dynamic processes favorable for the rapid dispersion of the oil. Aerial and ground surveys were made of the impacted area on 19 March - 2 April and 20 - 28 April 1978, to detail the distribution and persistence of oil along the shoreline. Oil deposition on the shoreline was primarily controlled by local geomorphology (e.g. rocky headlands, tombolos, crenulate bays, etc..) and wind-driven currents. Our results indicate that approximately 62.000 tons of oil was spread along 123 km of coastline and offshore rocks at the time of our first study. During the second study period, oil was distributed along 375 km of shoreline and...
Tipo: Text Palavras-chave: Pollution Hydrocarbures; Géomorphologie côtière; Processus côtiers; Oil spill; Coastal geomorphology; Coastal processes.
Ano: 1978 URL: http://archimer.ifremer.fr/doc/00306/41720/40931.pdf
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Etat de la pollution par les hydrocarbures dans l'Aber Benoit ArchiMer
Allen, G.; D'Ozouville, Laurent; L'Yavanc, Jacky.
The Aber Benoît, a small estuary on the North West coast of Brittany was polluted by oil from the Amoco Cadiz oil spill. Preliminary results from water and sediment samples taken in the estuary in May 1978, show that two months after the initial spill, high concentrations of hydrocarbures existed in the water and sediments of the estuary. The Aber Benoît shows a well developed salt wedge and upstream increasing suspended sediment concentrations. Oil was dispersed more or less evenly throughout the water column, in the entire length of the estuary. In the bottom sediments, oil had accumulated to depths of 30 cm. Sand bars appear to induce a trapping of oil in the estuary channel.
Tipo: Text Palavras-chave: Estuaire; Sédiment; Pollution Hydrocarbures; Estuary; Sediment; Oil spill.
Ano: 1978 URL: http://archimer.ifremer.fr/doc/00306/41721/40932.pdf
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Impact assesment of Cyclone Sally on the almost atoll of Aitutaki (cook Islands) by remote sensing ArchiMer
Loubersac, Lionel; Dahl, Arthur; Collote, Pascal; Lemaire, Olivier; D'Ozouville, Laurent.
Damage from tropical cyclones can have major consequences for coral reef structure and ecology, as well as for human communities and human uses of coral reef resources. Remote sensing with high resolution multispectral satellite images can be used to asses large scale cyclone damages on coral reef areas. SPOT images of the almost atoll of AITUTAKI (Cook Islands) taken in june 1986 and february 1987 after the passage of Cyclone Sally near the island in january, were transformed and subjected to a textural analysis, and then compared to asses damage on the reefs and lagoon.New shallow sand and rubble deposits showed increased reflectance, while lower reflectance seemed associated with damage to reef structure, scouring in the lagoon, deposits of terrestrial...
Tipo: Text Palavras-chave: ICRS 6; Remote sensing; Reflectance; Stresses; Cyclones; Extreme events; Coral reef; Lagoon; Natural System; External Threats & Opportunities.
Ano: 1988 URL: http://archimer.ifremer.fr/doc/00143/25380/23518.pdf
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Télédétection des pollutions par hydrocarbures de l'"AMOCO CADIZ" ArchiMer
Berne, Serge; Brossier, R.; Fontanel, A.; D'Ozouville, Laurent; Serriere, J.; Wadsworth, A..
At first, the chronology of remote sensing flights organized by CNEXO, IFP and IGN is summarized. Secondly, examples of the most commonly observed phenomena along the coastline are presented. An interpretation of the various data collected is given for the area of Roscoff, taken as a model. This interpretation is extended to draw a serie of maps of sea and coastline pollution for several days between March 18 to May 26, 1978. The maps for the 18th and 21st of March are enclosed.
Tipo: Text Palavras-chave: Télédétection; Marée noire; Cartographie; Remote sensing; Oil spill; Cartography.
Ano: 1978 URL: http://archimer.ifremer.fr/doc/00306/41716/40927.pdf
Registros recuperados: 6
Primeira ... 1 ... Última
 

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