Phosphorus in sediments and pore waters of selected Polish dam reservoirs

This study aimed to examine and explain the spatial distribution of total phosphorus in sediments and orthophosphates in interstitial water in four Polish dam reservoirs with varying hydrological and geochemical characteristics. The results are linked to physicochemical parameters of sediments: orga...

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Bibliographic Details
Published in:Oceanological and hydrobiological studies 2011-06, Vol.40 (2), p.72-85
Main Authors: Trojanowska, Adriana, Jezierski, Piotr
Format: Article
Language:English
Subjects:
Accuracy
Calcium
Calcium carbonate
Calcium carbonates
Calcium ions
Carbonates
dam reservoirs
Dams
Earth and Environmental Science
Earth Sciences
Eutrophication
Freshwater
Geochemistry
Humic substances
Hydrology
interstitial water
Iron
Marine
Marine & Freshwater Sciences
Oceanography
Organic matter
Original Research Paper
Orthophosphates
Oxidoreductions
phosphate
Phosphates
Phosphorus
Physicochemical processes
Physicochemical properties
Pore water
Redox potential
Reservoirs
Sediment
Sediments
Shorelines
Spatial distribution
Total phosphorus
Water circulation
Water flow
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Summary:This study aimed to examine and explain the spatial distribution of total phosphorus in sediments and orthophosphates in interstitial water in four Polish dam reservoirs with varying hydrological and geochemical characteristics. The results are linked to physicochemical parameters of sediments: organic matter and calcium carbonates content, pH, redox potential and conductivity. In two of the studied reservoirs hydrological dynamics were a driving force in phosphorus circulation, despite the big difference in their mean water retention times, and interactions with Ca and Fe were of secondary importance In other reservoirs with complicated shorelines and reservoir beds, due to water flow disturbance the hydrological impact was not as pronounced. Geochemical processes, such as precipitation of phosphorus associated with Ca +2 , Fe(III) or in complexed with humic substances became more significant.
ISSN:1730-413X
1897-3191
1897-3191
DOI:10.2478/s13545-011-0018-3