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1

Hydrogeological determinants of migration of potential pollutants to shallow groundwater in the Mogilnica river catchment

100%
Graf R.
Polish Journal of Environmental Studies
|
2008
|
tom 17
|
nr 5
841-848
This study describes the hydrological conditions of migration of potential pollutants to shallow groundwater in the Mogilnica River catchment, classified as a typically agricultural lowland catchment in Poland. The assessment of vulnerability of aquifers to the inflow of pollutants from the ground's surface was conducted with the use of the GOD rank method introduced by Foster, and the method of calculation of contamination migration time through the aeration zone according to the formula of Bachmat and Collin. Using the data collected in the geographic information system, digital (screen system) maps were prepared for the catchment, illustrating the spatial distribution of the analyzed parameters. There were identified zones with different degrees of groundwater resistance, including areas that, owing to hydrological conditions, are the most vulnerable to the inflow of pollution. The collected data sets were compared with information on the method of development and use of the catchment, which was the basis for classification of the scale of hazard for groundwater from existing and potential anthropogenic activity.
2

Maximum recessions of shallow groundwater level in central Poland

84%
Tomalski P.
Geographia Polonica
|
2010
|
tom 83
|
nr 1
3
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Macroelements: zinc and iron in well water in the Upper Narew River catchment

84%
Skorbilowicz M., Skorbilowicz E.
Journal of Elementology
|
2008
|
tom 13
|
nr 1
The aim of the present study was to evaluate the spatial distribution of concentrations of some elements in shallow ground waters as well as to find the main sources of their origin. The investigations were carried out in 8 villages in Podlasie region. The water sampling sites were in the villages Sobótka, Narew, Ciełuszki, Kaniuki, Zawyki, Uhowo, Topilec, and Złotoria, all on or near the Narew River. Water samples were collected in spring, summer, and autumn of 2006. The samples underwent determinations of calcium, magnesium, sodium, potassium, zinc, and iron concentrations by means of AAS and EAS techniques after previous filtering through micro-pore filters (d=0.45 pm). None of the tested water samples met the standards for potable water specified in the Decree of the Ministry for Health of 2007 as they exceeded permissible concentrations of iron ions. Regarding potassium ions, the well waters were classified to underground waters quality class V. The waters with the highest values of the tested parameters were found in wells in Kaniuki, Złotoria and Zawyki.
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