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dc.contributor.author
Mucci, Alfonso
dc.contributor.author
Levasseur, Maurice
dc.contributor.author
Gratton, Yves
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Martias, Chloé
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Scarratt, Michael
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Gilbert, Denis
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Tremblay, Jean-Éric
dc.contributor.author
Ferreyra, Gustavo Adolfo
dc.contributor.author
Lansard, Bruno
dc.date.available
2018-11-05T19:22:48Z
dc.date.issued
2017-09
dc.identifier.citation
Mucci, Alfonso; Levasseur, Maurice; Gratton, Yves; Martias, Chloé; Scarratt, Michael; et al.; Tidally induced variations of ph at the head of the laurentian channel; National Research Council Canada-NRC Research Press; Canadian Journal Of Fisheries And Aquatic Sciences; 75; 7; 9-2017; 1128-1141
dc.identifier.issn
0706-652X
dc.identifier.uri
http://hdl.handle.net/11336/63671
dc.description.abstract
The head of the Laurentian Channel is a very dynamic region of exceptional biological richness. To evaluate the impact of freshwater discharge, tidal mixing, and biological activity on the pH of surface waters in this region, a suite of physical and chemical variables was measured throughout the water column over two tidal cycles. The relative contributions to the water column of the four source-water types that converge in this region were evaluated using an optimum multiparameter algorithm (OMP). Results of the OMP analysis were used to reconstruct the water column properties assuming conservative mixing, and the difference between the model properties and field measurements served to identify factors that control the pH of the surface waters. These surface waters are generally undersaturated with respect to aragonite, mostly due to the intrusion of waters from the Upper St. Lawrence Estuary and the Saguenay Fjord. The presence of a cold intermediate layer impedes the upwelling of the deeper, hypoxic, lower pH and aragonite-undersaturated waters of the Lower St. Lawrence Estuary to depths shallower than 50 m.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
National Research Council Canada-NRC Research Press
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Ph
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Tidally induced variations of ph at the head of the laurentian channel
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-10-19T15:07:40Z
dc.identifier.eissn
1128-1141
dc.journal.volume
75
dc.journal.number
7
dc.journal.pagination
1128-1141
dc.journal.pais
Canadá
dc.journal.ciudad
Otawa
dc.description.fil
Fil: Mucci, Alfonso. McGill University; Canadá
dc.description.fil
Fil: Levasseur, Maurice. Laval University; Canadá
dc.description.fil
Fil: Gratton, Yves. Institut National de la Recherche Scientifique; Canadá
dc.description.fil
Fil: Martias, Chloé. McGill University; Canadá
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Fil: Scarratt, Michael. Institut Maurice Lamontagne; Canadá
dc.description.fil
Fil: Gilbert, Denis. Institut Maurice Lamontagne; Canadá
dc.description.fil
Fil: Tremblay, Jean-Éric. Laval University; Canadá
dc.description.fil
Fil: Ferreyra, Gustavo Adolfo. Institut Des Sciences de la Mer de Rimouski; Canadá. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Lansard, Bruno. Laboratoire des Sciences du Climat et de l’Environnement, avenue de la Terrasse; Canadá
dc.journal.title
Canadian Journal Of Fisheries And Aquatic Sciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.nrcresearchpress.com/doi/10.1139/cjfas-2017-0007
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1139/cjfas-2017-0007
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