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Effect of forced aeration on the biogeochemical cycle of nutrients and metal(loid)s as a remedy for hypoxia in a permanently stratified estuary (Gulf of Trieste, northern Adriatic Sea)Pavoni, Elena ...The Timavo River estuary (northern Adriatic Sea) is characterised by strong thermohaline stratification that keeps the deep waters hypoxic. The consequence is an harmful algal bloom at the surface in ... summer that can be mitigated with a forced aeration system installed at the bottom to improve water oxygenation. The nutrient and metal(loid) cycle was investigated, before and during reoxygenation, using an in situ benthic chamber coupled with sampling and analyses of the water column, sediments and porewater. Dissolved oxygen (DO) decreased along the water column and quickly within the benthic chamber when aeration was not in operation, resulting in hypoxia (2.29 mg L−1) at the bottom and consequent increase in nutrient and metal(loid) concentrations. In contrast, DO levels increased during the activation of the forced aeration system, which proved effective in mitigating oxygen depletion and the efflux of metal(loid)s and nutrients into the overlying water.Source: Marine pollution bulletin. - ISSN 0025-326X (Vol. 205, art. no. 116632, Aug. 2024, str. [1]-12)Type of material - article, component part ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 201091331
Author
Pavoni, Elena |
Floreani, Federico |
Petranich, Elisa |
Crosera, Matteo |
Marussi, Giovanna |
Acquavita, Alessandro |
Pisoni, Chiara |
Klun, Katja, 1988- |
Faganeli, Jadran |
Covelli, Stefano
Topics
Hidrobiologija |
hipoksija |
kovine |
hranila |
vodni stolpec |
biogeokemijsko kroženje |
Jadransko morje |
izliv reke Timav |
hypoxia |
metal(loid)s |
nutrients |
water column |
sediment-water interface |
biogeochemical cycles |
Adriatic Sea |
Timavo River estuary
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Pavoni, Elena | ![]() |
Floreani, Federico | ![]() |
Petranich, Elisa | ![]() |
Crosera, Matteo | ![]() |
Marussi, Giovanna | ![]() |
Acquavita, Alessandro | ![]() |
Pisoni, Chiara | ![]() |
Klun, Katja, 1988- | 34499 |
Faganeli, Jadran | 05249 |
Covelli, Stefano | ![]() |
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