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Amiard, Jc; Queguiner, F; Camus, Y. |
Mean Cd, Cu and Pb concentrations in waters of the Celtic Sea surface layer were found to be 12.4, 55.8 and 36.6 ng.l-1 respectively. From 10 meters below the surface to a depth of 4,400 m, the values are of the same order of magnitude, even in oceanic waters close to the continental slope. Nevertheless, we noticed a wide spread from maxima to minima especially near the surface. On the basis of metal concentration data together with physical (temperature, salinity), chemical (phosphates, nitrites, nitrates, silicates, ammonium and oxygen) and biological (chlorophyll a and phaeophytin rates) parameters, the surface waters of the Celtic Sea can be subdivided into four zones: one inside the Ushant front; a second, called "mer d'Iroise", and finally, south and... |
Tipo: Text |
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Ano: 1991 |
URL: http://archimer.ifremer.fr/doc/00102/21372/18972.pdf |
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