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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Misevičienė, Stefanija
Title: Influence of slurry on organic matter fluctuation in groundwater
Is part of: Environmental engineering : the 8th international conference, May 19-20, 2011, Vilnius, Lihtuania: selected papers. Vol. 2 : Water engineering. Energy for buildings. Vilnius : Technika, 2011
Extent: p. 630-637
Date: 2011
Keywords: Pig-breeding enterprise;Groundwate;Organic matter
ISBN: 9789955288275
Abstract: The paper analyses the data on the change of the groundvvater organic matter content in the observed boreholes, eąuiped in light soils fertilized with the slurry from pig-breeding enterprise. The investigations aimed to determine the influence of the fields fertilized vvith the slurry from pig-breeding enterprise on the migration of organic matter in the groundvvater. The work involved natūrai investigations, analysis of the water samples vvas carried out follovving the Unified Water Quality Research methods, approved by ministry of Environment. The investigations established that meteorological conditions and groundvvater level had some influence on water level fluctuation in the boreholes. The higher the air temperature and the lovver the precipitation, the lower is the groundwater level in the boreholes. The fluctualions of the groundwater level in the boreholes 2 and 3 were bigger, because the groundwater level in these boreholes is eloser to the soil surface. Fluctuation of water levels influenced concentrations of organic matter: the eloser water level is to the soil surface, the higher COD and TOD concentrations were observed. The groundvvater flow direction had the influence on the higher hard oxidised organic matter content in the boreholes 1 and 4, because in these boreholes the groundvvater lies deeper than in the boreholes 2 and 3. The investigations established that the fields fertilized vvith slurry had insignifieant influence on the groundvvater ųuality: the dominant sectional water composition stayed the same as in the \vater that is naturally emerging in the nature
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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