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The behaviour of phosphorus in an old parallel channel Slaňáky in the Poodří (Czech Republic)
Title The behaviour of phosphorus in an old parallel channel Slaňáky in the Poodří (Czech Republic) Author info Jana Nováková ... [et al.] Author Nováková Jana (40%)
Co-authors Švehláková Hana (10%)
Kučerová Radmila (10%)
Matějová Tereza (10%)
Andráš Peter 1953- (30%) UMBFP04 - Katedra životného prostredia
Source document Carpathian journal of earth and environmental sciences. Vol. 17, no. 2 (2022), pp. 199-205. - Baia Mare : North University of Baia Mare, 2022 Keywords fosfor sedimenty - sediments spektrofotometria - spectrophotometry Form. Descr. články - journal articles Language English Country Romania Annotation Within the Poodří nature reserve and the Odra River old parallel channel, Slaňáky, various forms of phosphorus were investigated due to increased high concentrations of total phosphorus (Ptot) in the surface water. Surface water samples were subjected to chemical analyses using absorption spectrophotometry (Ptot and P-PO43-) and accompanying parameters (t, O2, pH, Cond, TSS ) were measured. Next, grain size analysis of the sediment and sediment analyses using X-ray fluorescence were carried out (P, Fe, Al, Ca, Si, K, Mn, S, etc.). The seasonality of Ptot concentrations in the water was not confirmed, the reservoir behaved as a pool. The concentrations of the dissolved inorganic form P- PO43- were low when compared to Ptot, thus suspended phosphorus prevailed. This may be related to the low depth of the given water body, where stratification does not occur in contrast to deep water bodies. However, sediment resuspension is frequent, and phosphorus largely accumulates. The concentrations of Ptot in the sediment ranged around 4900 mg/kg, where the inorganic form prevailed (87.24 – 93.73 %) over the organic (6.27 – 12.76 %). At the same time, the sediment samples were abundant for sand fractions (2 – 0.03 mm), 47.86 – 60.89 %, and finest silt and clay (< 0.063 mm), 33.07 – 44.60 %. URL Link na zdrojový dokument Public work category ADM No. of Archival Copy 52285 Repercussion category BARTHA, Csaba - TOKOS, Attila - JIPA, Monica - CARAMITU, Alina - VOINA, Andreea - CIRCIUMARU, Gabriela - MICU, Dan-Doru - LINGVAY, Iosif. Saving energy in biological wastewater treatment by using extremely low-frequency electric field-pilot-scale study. In Sustainability. ISSN 2071-1050, 2023, vol. 15, no. 15, pp. 1-13.
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