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Wyszukujesz frazę "Kowalik, K." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Rainwater Management in Protected Areas
    Autorzy:
    Żarnowiec, W.
    Bogdał, A.
    Kowalik, T.
    Kanownik, W.
    Ostrowski, K.
    Rajda, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/125208.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    industrial roof
    experimental station
    evaporation
    rainwater
    Opis:
    The aim of the study was to find out whether the climate of southern Poland allows for removing rainwater from industrial areas by evaporation from roof surfaces. The study covered the premises of a Logistics Centre with an approximate area of 34 hectares, located in the catchment of the Wedonka stream and in the region of water intake for Kraków at the Rudawa river. In the future, the Centre will comprise nine large warehouses. Road traffic associated with the project will cause potential risks for groundwater and surface water of this protected area. Therefore, the Centre’s investor decided to evaporate rainwater from the premises. To establish advisability of this plan, the study team designed and built a unique experimental station consisting of experimental roof, a tank for collecting water for the sprinkler system, system for delivering, distributing and discharging water from the roof, measuring tilt tray, automatic meteorological station, and electronic devices for recording measurement data. The research on the experimental station was carried out from April to October in 2011 and 2012 and included continuous measurements of the volume of water supplied to and discharged from the roof. Moreover, the temperature of the roof and water in the tank and the number of important meteorological parameters were measured. The difference between supplied and discharged water, divided by the wetted surface of the roof, helped to determine thickness of the evaporation layer in millimeters. The study confirmed the possibility of removing potentially contaminated rainwater by evaporating it from roof surfaces of the Logistics Centre located near Kraków at an average rate of 5.9 dm3·m–2·d–1. However, due to high seasonal variability of rainfall and air temperature, it is necessary to temporarily collect water in an expansion tank of suitable capacity.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 2; 69-77
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seasonal Variability of Physicochemical Parameters of Water Quality on Length of Uszwica River
    Autorzy:
    Bogdał, A.
    Kowalik, T.
    Ostrowski, K.
    Skowron, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/124285.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    ecological potential
    water pollution
    physicochemical indices
    eutrophication
    Opis:
    The Uszwica river catchment is located in the central part of Lesser Poland province, within Brzeski and Bocheński districts. The river is 61.2 km long, and its catchment area is 322.5 km2. It is characterized by forest-agricultural land use and high share of residential areas of both compact (the city of Brzesko) and dispersed nature. In the abiotic terms, the Uszwica in its upper course may be classified as a flysch stream (type 12). From the moment of joining the Niedźwiedź, stream until its discharge into the Vistula at km 151+700 it is a sand and clay lowland river (type 19). Hydrochemical research were conducted in the years 2011 and 2012 at two measurement-control points – one located near the mouth of the river (point 1) and one located about 7.5 km downstream from the city of Brzesko (point 2). Each month 18 water quality parameters were determined and they underwent comparative and statistical analyses. Basic descriptive statistics were calculated for both measurement-control points. Then, they were used to determine the ecological potential of the river and to evaluate water quality parameters with respect to its suitability as fish habitat and eutrophication risk. Significance of differences between the values of individual parameters recorded at different measurement-control points was estimated using non-parametric Mann-Whitney U test for α = 0.05. The same test was used to determine the significance of differences between individual parameters for the winter and summer season at each point. Analysis of the results revealed that water flowing via developed areas (point 2) was significantly less saturated with oxygen and contained higher amounts of suspended solids, organic matter and nutrients, as compared to the section of the river flowing mainly through extensively used agricultural areas. Therefore, the ecological potential of the river was considered good in its lower course and poor upstream from point 2. Disturbances in seasonal concentrations of some biogenic factors indicated high degree of water pollution in the middle course of the Uszwica. However, due to intense self-purification, water quality in the lower course was similar to that in natural conditions. On the entire investigated section of the Uszwica does not meet water quality requirements for salmonids and cyprinids, but the habitats are more favorable near the mouth of the river. Waterassessed at point 2 may be classified as eutrophic due to high concentration of total phosphorus.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 1; 161-170
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Variability of physicochemical properties of water of the transboundary Poprad river
    Autorzy:
    Policht-Latawiec, A.
    Bogdał, A.
    Kanownik, W.
    Kowalik, T.
    Ostrowski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/124315.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Poprad river
    physicochemical indices
    ecological state
    water pollution
    Opis:
    The results of five-year (2008–2012) hydrochemical research of the Poprad river, the right bank tributary to the Dunajec, were analyzed in the paper. The Poprad, 167 km long and with the catchment area of 2077.3 km2, flows for over 100 km through the territory of Slovakia, along the length of 31.1 km is a transboundary river, whereas its 31.0 km long reach is situated in Poland. Concerning its abiotic character, it is an eastern upland river of type 15. The research was conducted in three measurement-control points: 1) located in Leluchów on the Polish-Slovak border at 61.1 kilometer of the river course, 2) in Piwniczna-Zdrój – 23.9 km and 3) in Stary Sącz – 2.9 km before the Poprad outlet to the Dunajec. 21 physicochemical indices and 2 microbiological indicators were assessed in the water samples once a month using referential methods. The paper assesses changes of water quality classes and its usable values along the analyzed Poprad river reach. Moreover, statistical differences between the values of individual indices assessed in various measurement-control points were estimated by means of Mann-Whitney U nonparametric test. On the basis of the conducted analyses of the empirical data it was stated that due to the physicochemical indices, water quality along the whole length of the analyzed river reach was good (class II) – in points 1 and 3 it was determined by mean concentration of total suspended solids, whereas in point 2 COD-Mn values.
    Źródło:
    Journal of Ecological Engineering; 2015, 16, 1; 100-109
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ Zbiornika Goczałkowickiego na zmiany jakości wód w rzece Wiśle
    Effect of the Goczałkowice Reservoir on the changes of water quality in the Vistula river
    Autorzy:
    Bogdał, A.
    Kowalik, T.
    Witoszek, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/401968.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    zbiornik zaporowy
    potencjał ekologiczny
    wskaźniki jakości wód
    retention reservoir
    ecological potential
    water quality indices
    Opis:
    Celem pracy jest ocena wpływu Zbiornika Goczałkowickiego na zamiany jakości wód powierzchniowych. Aby osiągnąć założony cel, przeprowadzono metodami referencyjnymi badania 20 fizykochemicznych wskaźników jakości wody. Próby wody pobierano comiesięcznie od kwietnia do listopada 2011 roku, w pięciu punktach pomiarowo-kontrolnych: pierwszy był usytuowano na dopływie rzeki Wisły do zbiornika, trzy kolejne rozmieszczono równomiernie wzdłuż czaszy zbiornika, natomiast punkt piąty usytuowano na odpływie wody ze zbiornika. Wartości każdego badanego wskaźnika scharakteryzowano przy pomocy podstawowych statystyk opisowych. Ponadto dane empiryczne poddano szczegółowym procedurom statystycznym przy użyciu analizy skupień oraz parametrycznego testu t-Studenta. Na podstawie analizy danych z przeprowadzonych badań ustalono, że z uwagi na złożoność procesów zbiornik retencyjny wpływa niejednoznacznie na jakość wody. W wyniku przepływu wód rzeki Wisły przez Zbiornik Goczałkowicki istotnie zmniejszyły się stężenia azotynów i azotu azotanowego, co potwierdzono statystycznie na poziomie istotności α = 0,05. Zbiornik również wpłyną korzystnie na obniżenie stężeń fosforanów, fosforu ogólnego, żelaza ogólnego i większości wskaźników zasolenia oraz pogorszył warunki tlenowe, co jednak nie zostało potwierdzone statystycznie.
    The paper aims at the assessment of the Goczałkowice Reservoir effect on the changes of surface water quality. For this purpose, tests of 20 physicochemical water quality indices were conducted using reference methods. Water samples were collected every month from April to November 2011 in five measurement-control points: the first was located on the Vistula river inflow to the reservoir, the other three were placed evenly along the reservoir bowl, whereas the fifth was situated on water outflow from the reservoir. The values of each tested indicator were characterized by using descriptive statistics. Moreover, the empirical data were subjected to detailed statistical procedures by means of cluster analysis and t-Student parametric test. The analysis the data obtained from the conducted investigations demonstrated that because of the complexity of the processes, the retention reservoir differently influences the water quality. As a result of the Vistula river water flow through the Goczałkowice Reservoir, concentrations of nitrites and nitrate nitrogen decreased significantly, as has been proved statistically on the significance level α = 0.05. The reservoir also positively affected a decline in the concentrations of phosphates, total phosphorus, total iron and a majority of salinity indices, but worsened oxygen conditions, however, it was not statistically proved.
    Źródło:
    Inżynieria Ekologiczna; 2015, 45; 124-134
    2081-139X
    2392-0629
    Pojawia się w:
    Inżynieria Ekologiczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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