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1
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

GIS based modeling of GWQ assessment at Al-Shekhan area using AHP and SAW techniques

100%
Ahmed M. F., Faisal al-Moula R. M.
Przegląd Naukowy. Inżynieria i Kształtowanie Środowiska
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2020
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tom 29
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nr 2[88]
2

The effects of large borate deposits on groundwater quality

84%
Cicek A., Bakis R., Ugurluoglu A., Kose E., Tokatli C.
Polish Journal of Environmental Studies
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2013
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tom 22
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nr 4
Seydisuyu Basin, which contains very important agricultural areas and boron deposits of Turkey, is located in Eskişehir province. In this paper, the groundwater quality of Seydisuyu Basin was evaluated by using some physiochemical (temperature, conductivity, salinity, and demanded oxygen) and chemical (boron and arsenic) parameters. Groundwater samples were collected seasonally (2011-12) from 14 wells from the Seydisuyu Basin and all of the data obtained experimentally were compared with national and international drinking and usage water standards. Also, cluster analysis (CA) was applied to the results to classify the stations according to the contents of arsenic and boron levels by using the Past package program, factor analysis (FA) was applied to the results to classify the affective factors on groundwater quality, and Pearson Correlation Index was applied to the results to determine the relations of parameters by using the SPSS 17 package program. According to data, arsenic and boron accumulations of wells were higher than the drinking water limits specified by the Turkish Standards Institute (TS266), European Communities (EC), and World Health Organization (WHO) Drinking Water Standards. According to the results of FA, three effective factors that explain 76.36% of the total variance was detected and arsenic-boron contents of groundwater were positively loaded with the second factor, named as “Boron Works and Environmental Factor.” According to results of CA identified by using arsenic and boron accumulations, station 1, which was the closest well to the boron facility, showed the highest distance and lowest similarity with the other stations.
3

Influence of groundwater exploitation on water quality. Retków-Stara Rzeka intake case study

84%
Czaban S., Kajewski I., Kowalski J.
Electronic Journal of Polish Agricultural Universities. Series Environmental Development
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2004
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tom 07
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nr 1
Extensive exploitation of groundwater from quaternary deposits of fluvioglacial origin, reaching annually over 1.5 mln m3 in Retków–Stara Rzeka water intake, affected both chemical composition and physical properties of water. Detrimental changes in water quality were manifested mainly by an increased alkalinity, hardness, electrolytic conductivity as well as by raised concentration of iron and manganese ions or sulphates. The value of water alkalinity has increased from below 1 meq/dm3 to over 4.5 meq/dm3 in 1986 and 1994, respectively. Conductivity, strongly related to overall mineralisation of water (Total Dissolved Solids – TDS content), over the same period increased on average from about 150 µS/cm to over 550 µS/cm, and in some wells reached nearly 900 µS/cm.
4
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Content available

Transport modelling and monitoring research use for efficiency assessment of vertical barrier surrounding old sanitary landfill

67%
Koda E., Wienclaw E., Livio M.
Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
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2009
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tom 41
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nr 1
5

Groundwater quality as influenced by three tillage systems in a sandy soil

67%
Lowery B., Fermanich K. J., McSweeney K., Hartwig R. C.
Bibliotheca Fragmenta Agronomica
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1997
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tom 2B
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