Source Contributions to Heavy Metal Fluxes into the Loukous Estuary (Moroccan Atlantic Coast)
Identifieur interne : 000204 ( Main/Exploration ); précédent : 000203; suivant : 000205Source Contributions to Heavy Metal Fluxes into the Loukous Estuary (Moroccan Atlantic Coast)
Auteurs : Sanaa Kalloul [France] ; Wafaa Hamid ; Mohamed Maanan [France] ; Marc Robin [France] ; Sayouty El Hassan ; Bendahhou ZourarahSource :
- Journal of Coastal Research [ 0749-0208 ] ; 2012-01-02.
English descriptors
Abstract
Aluminum, iron, mercury, lead, copper, cadmium, chromium, zinc, manganese, and nickel concentrations were determined in surface and core sediment samples collected in the Loukous estuary (Atlantic Coast, Morocco) to evaluate their levels and spatial distribution. For various metals, the enrichment factor was calculated as a criterion to assess whether their concentrations represented contamination levels or could be considered background levels. Analytical results were processed using Geographical Information System software to show areas of metal accumulation. Using multivariate statistical analysis, the possibility of distinguishing the sampling stations in relation to their geographical position was evaluated. The radiolead (210Pb) and cesium 137 (137Cs) profiles in sediment core retrieved from the Loukous estuary were used to study the temporal variations in sedimentation rate and to reconstruct historical trends of heavy metal input and the effects of human activities. The results show that the distribution of metals in the Loukous estuary is principally influenced by industrial and urban wastes located mostly in the northern coastal area. Marine currents are additional factors influencing metal accumulation in sediments.
Url:
DOI: 10.2112/JCOASTRES-D-09-00142.1
Affiliations:
- France
- Pays de la Loire, Région Bretagne
- Angers, Brest, Nantes, Rennes
- Université Rennes 2 Haute Bretagne, Université d'Angers, Université de Bretagne Occidentale, Université de Nantes, Université européenne de Bretagne
Links toward previous steps (curation, corpus...)
- to stream Hal, to step Corpus: 000015
- to stream Hal, to step Curation: 000015
- to stream Hal, to step Checkpoint: 000013
- to stream Main, to step Merge: 000207
- to stream Main, to step Curation: 000204
Le document en format XML
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CS 24307 - 35043 Rennes cedex</addrLine> <country key="FR"></country> </address> <ref type="url">http://www.univ-rennes2.fr/</ref> </desc></org></tutelle><tutelle name="UMR6554" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"> <idno type="ISNI">0000000122597504</idno> <idno type="IdRef">02636817X</idno> <orgName>Centre National de la Recherche Scientifique</orgName> <orgName type="acronym">CNRS</orgName> <date type="start">1939-10-19</date> <desc> <address> <country key="FR"></country> </address> <ref type="url">http://www.cnrs.fr/</ref> </desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Angers</settlement><region type="region" nuts="2">Pays de la Loire</region></placeName><orgName type="university">Université d'Angers</orgName><placeName><settlement type="city">Nantes</settlement><region type="region" nuts="2">Pays de la Loire</region></placeName><orgName type="university">Université de Nantes</orgName><placeName><settlement type="city">Brest</settlement><region type="region" nuts="2">Région Bretagne</region></placeName><orgName type="university">Université de Bretagne Occidentale</orgName><orgName type="institution" wicri:auto="newGroup">Université européenne de Bretagne</orgName><placeName><settlement type="city">Rennes</settlement><region type="region" nuts="2">Région Bretagne</region></placeName><orgName type="university">Université Rennes 2 Haute Bretagne</orgName><orgName type="institution" wicri:auto="newGroup">Université européenne de Bretagne</orgName></affiliation></author><author><name sortKey="Robin, Marc" sort="Robin, Marc" uniqKey="Robin M" first="Marc" last="Robin">Marc Robin</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-2267" status="VALID"> <orgName>Littoral, Environnement, Télédétection, Géomatique</orgName> <orgName type="acronym">LETG - Géolittomer</orgName> <desc> <address> <addrLine>Faculté des Lettres BP 81227 44312 NANTES Cédex 3</addrLine> <country key="FR"></country> </address> <ref type="url">http://letg.univ-nantes.fr</ref> </desc> <listRelation> <relation active="#struct-7127" type="direct"></relation> <relation active="#struct-74911" type="direct"></relation> <relation active="#struct-93263" type="direct"></relation> <relation active="#struct-300314" type="direct"></relation> <relation active="#struct-406201" type="direct"></relation> <relation name="UMR6554" active="#struct-441569" type="direct"></relation> </listRelation><tutelles><tutelle active="#struct-7127" type="direct"><org type="institution" xml:id="struct-7127" status="VALID"> <orgName>Université Caen Normandie</orgName> <orgName type="acronym">UNICAEN</orgName> <desc> <address> <addrLine>Esplanade de la Paix - BP 5186 - 14032 Caen Cedex 5</addrLine> <country key="FR"></country> </address> <ref type="url">http://www.unicaen.fr/</ref> </desc></org></tutelle><tutelle active="#struct-74911" type="direct"><org type="institution" xml:id="struct-74911" status="VALID"> <orgName>Université d'Angers</orgName> <orgName type="acronym">UA</orgName> <desc> <address> <addrLine>40 rue de Rennes - BP 73532 - 49035 Angers cedex 01</addrLine> <country key="FR"></country> </address> <ref type="url">http://www.univ-angers.fr/</ref> </desc></org></tutelle><tutelle active="#struct-93263" type="direct"><org type="institution" xml:id="struct-93263" status="VALID"> <orgName>Université de Nantes</orgName> <orgName type="acronym">UN</orgName> <desc> <address> <addrLine>1, quai de Tourville - BP 13522 - 44035 Nantes cedex 1</addrLine> <country key="FR"></country> </address> <ref type="url">http://www.univ-nantes.fr/</ref> </desc></org></tutelle><tutelle active="#struct-300314" type="direct"><org type="institution" xml:id="struct-300314" status="VALID"> <orgName>Université de Bretagne Occidentale</orgName> <orgName type="acronym">UBO</orgName> <desc> <address> <addrLine>3 Rue des Archives 29238 Brest</addrLine> <country key="FR"></country> </address> <ref type="url">https://www.univ-brest.fr/</ref> </desc></org></tutelle><tutelle active="#struct-406201" type="direct"><org type="institution" xml:id="struct-406201" status="VALID"> <orgName>Université Rennes 2</orgName> <orgName type="acronym">UR2</orgName> <desc> <address> <addrLine>Place du recteur Henri Le Moal - CS 24307 - 35043 Rennes cedex</addrLine> <country key="FR"></country> </address> <ref type="url">http://www.univ-rennes2.fr/</ref> </desc></org></tutelle><tutelle name="UMR6554" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"> <idno type="ISNI">0000000122597504</idno> <idno type="IdRef">02636817X</idno> <orgName>Centre National de la Recherche Scientifique</orgName> <orgName type="acronym">CNRS</orgName> <date type="start">1939-10-19</date> <desc> <address> <country key="FR"></country> </address> <ref type="url">http://www.cnrs.fr/</ref> </desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Angers</settlement><region type="region" nuts="2">Pays de la Loire</region></placeName><orgName type="university">Université d'Angers</orgName><placeName><settlement type="city">Nantes</settlement><region type="region" nuts="2">Pays de la Loire</region></placeName><orgName type="university">Université de Nantes</orgName><placeName><settlement type="city">Brest</settlement><region type="region" nuts="2">Région Bretagne</region></placeName><orgName type="university">Université de Bretagne Occidentale</orgName><orgName type="institution" wicri:auto="newGroup">Université européenne de Bretagne</orgName><placeName><settlement type="city">Rennes</settlement><region type="region" nuts="2">Région Bretagne</region></placeName><orgName type="university">Université Rennes 2 Haute Bretagne</orgName><orgName type="institution" wicri:auto="newGroup">Université européenne de Bretagne</orgName></affiliation></author><author><name sortKey="El Hassan, Sayouty" sort="El Hassan, Sayouty" uniqKey="El Hassan S" first="Sayouty" last="El Hassan">Sayouty El Hassan</name></author><author><name sortKey="Zourarah, Bendahhou" sort="Zourarah, Bendahhou" uniqKey="Zourarah B" first="Bendahhou" last="Zourarah">Bendahhou Zourarah</name></author></analytic><idno type="DOI">10.2112/JCOASTRES-D-09-00142.1</idno><series><title level="j">Journal of Coastal Research</title><idno type="ISSN">0749-0208</idno><imprint><date type="datePub">2012-01-02</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="en"><term>GIS</term><term>Loukous estuary</term><term>enrichment factor</term><term>heavy metals</term><term>spatial analysis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Aluminum, iron, mercury, lead, copper, cadmium, chromium, zinc, manganese, and nickel concentrations were determined in surface and core sediment samples collected in the Loukous estuary (Atlantic Coast, Morocco) to evaluate their levels and spatial distribution. For various metals, the enrichment factor was calculated as a criterion to assess whether their concentrations represented contamination levels or could be considered background levels. Analytical results were processed using Geographical Information System software to show areas of metal accumulation. Using multivariate statistical analysis, the possibility of distinguishing the sampling stations in relation to their geographical position was evaluated. The radiolead (210Pb) and cesium 137 (137Cs) profiles in sediment core retrieved from the Loukous estuary were used to study the temporal variations in sedimentation rate and to reconstruct historical trends of heavy metal input and the effects of human activities. The results show that the distribution of metals in the Loukous estuary is principally influenced by industrial and urban wastes located mostly in the northern coastal area. Marine currents are additional factors influencing metal accumulation in sediments.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Pays de la Loire</li><li>Région Bretagne</li></region><settlement><li>Angers</li><li>Brest</li><li>Nantes</li><li>Rennes</li></settlement><orgName><li>Université Rennes 2 Haute Bretagne</li><li>Université d'Angers</li><li>Université de Bretagne Occidentale</li><li>Université de Nantes</li><li>Université européenne de Bretagne</li></orgName></list><tree><noCountry><name sortKey="El Hassan, Sayouty" sort="El Hassan, Sayouty" uniqKey="El Hassan S" first="Sayouty" last="El Hassan">Sayouty El Hassan</name><name sortKey="Hamid, Wafaa" sort="Hamid, Wafaa" uniqKey="Hamid W" first="Wafaa" last="Hamid">Wafaa Hamid</name><name sortKey="Zourarah, Bendahhou" sort="Zourarah, Bendahhou" uniqKey="Zourarah B" first="Bendahhou" last="Zourarah">Bendahhou Zourarah</name></noCountry><country name="France"><region name="Pays de la Loire"><name sortKey="Kalloul, Sanaa" sort="Kalloul, Sanaa" uniqKey="Kalloul S" first="Sanaa" last="Kalloul">Sanaa Kalloul</name></region><name sortKey="Maanan, Mohamed" sort="Maanan, Mohamed" uniqKey="Maanan M" first="Mohamed" last="Maanan">Mohamed Maanan</name><name sortKey="Robin, Marc" sort="Robin, Marc" uniqKey="Robin M" first="Marc" last="Robin">Marc Robin</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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