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IJMS Vol.32(4) [December 2003] >

Title:  Vertical structure of the chemical properties of western Black Sea
Authors: Kucuksezgin, Filiz
Pazı, Idil
Keywords: Black Sea
dissolved oxygen
hydrogen sulphide
inorganic nitrogen
Issue Date: Dec-2003
Publisher: CSIR
Abstract:  The data have been used to understand the variations of chemical features (distribution of nutrients, oxygen and sulfide) at specific density surfaces of the western Black Sea. The range and possible reasons of variations in the vertical profiles of nutrients, oxygen and hydrogen sulphide concentrations are discussed for the Black Sea. The concentrations of inorganic nutrients in the productive surface waters ranged between 0.02-0.30 μM for o.PO4-P and 0.10-0.50 μM for the TNOx-N. The maximum TNOx value of 6.5-7.0 μM was found between the σθ = 15.35-15.55 surfaces throughout the basin. The upper and the deeper phosphate maxima were observed at σθ = 15.50-15.60 and σθ = 16.20-16.25 surfaces, respectively. TNOx/PO4 ratios displayed distinct maxima at specific density surfaces of the upper nutricline. Si/TNOx and Si/PO4 were also calculated in the western Black Sea.
Page(s): 314-322
ISSN: 0379-5136
Source:IJMS Vol.32(4) [December 2003]

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