Variability of values of physicochemical water quality indices along the length of the Iwoniczanka stream
PBN-AR
Instytucja
Wydział Inżynierii Środowiska i Geodezji (Uniwersytet Rolniczy im. Hugona Kołłątaja w Krakowie)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Journal of Ecological Engineering (Inżynieria Ekologiczna)
ISSN
2299-8993
EISSN
Wydawca
DOI
URL
Rok publikacji
2015
Numer zeszytu
5
Strony od-do
168-175
Numer tomu
16
Identyfikator DOI
Liczba arkuszy
0.5
Autorzy
(liczba autorów: 2)
Słowa kluczowe
en
water quality parameters, ecological potential, anthropogenic pollution
Streszczenia
Język
en
Treść
The paper aims at presentation of the effect of changes in the catchment area management on the value of water quality physicochemical indices along the length of the Iwoniczanka stream, which flows through Iwonicz-Zdrój, one of the oldest health resorts in Poland. Analyses of 14 water quality indices were conducted from November 2013 to May 2014 in five measurement points: two situated in the upper course of the stream – in forest areas, two located in the area of Iwonicz-Zdrój town, and one below the rural built-up area. On the basis of the conducted data analysis it was found that the mean values of pH, electrolytic conductivity, sulphates, calcium, total iron and manganese were increasing with the course of flowing water, as evidenced by the water enrichment in substances which had their sources in built-up areas. On average, the highest values of biogenic indices and chlorides but the lowest values of oxygen indices were registered immediately below the location of drain collector from the closed sewage treatment plant, which resulted in pollution of the analysed stream bed with the substances previously drained from the treatment plant. Water flowing through the forest areas had the maximum ecological potential in the built-up areas and due to phosphate concentrations it was classified to class II and then, due to self-purification, returned to the physicochemical parameters appropriate for class I water. The conducted hydro-chemical tests confirmed a significant negative effect of built-up areas on the quality of the flowing waters.
Inne
System-identifier
URfd805dc1786b4c53b95e8fc745737583
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