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    Tytuł:
    Seasonal changes of nitrogen and phosphorus concentration in Supraśl River
    Autorzy:
    Skorbiłowicz, M.
    Ofman, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/124138.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    nitrogen
    phosphorus
    seasonality
    river
    Opis:
    The purpose of the study was to determine seasonal changes of ammonia nitrogen, nitrate nitrogen, total nitrogen, phosphate and total phosphorus in the years 2003–2009 in the river Supraśl. For this purpose a monitoring network was created with selected three control points on the basis of which the assessment was made. Control points were located near Gródek, Nowodworce and Dzikie. The research results were averaged for each month. On this basis the assessment of seasonal changes of nitrogen and phosphorus forms in the river Supraśl has been carried out. Research and analysis showed that the concentration of nitrogen and phosphorus in waters of Supraśl were characterized by a clear seasonal variation, the highest concentration of nitrogen was observed in January and February and the lowest in June in each of the analyzed points, the course of changes in the concentration of nitric and total nitrogen in March were different from the general course of reigning changes in their concentrations in surface waters.
    Źródło:
    Journal of Ecological Engineering; 2014, 15, 1; 26-31
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Macrophytes as Ełk River Quality Status Evaluation Indicators Based on Example of Nickel
    Autorzy:
    Skorbiłowicz, E.
    Skorbiłowicz, M.
    Zamojska, E.
    Ofman, P.
    Wójtowicz, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/123062.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    river
    nickel
    bottom sediment
    macrophytes
    Opis:
    The aim of the study was to analyze the content of Ni in fractions of 1.0–0.2 mm, 0.2–0.1 mm, 0.1–0.063 mm, 0.063–0.02 mm, and <0.02 mm of river bottom sediments and plants (root, stem, leaf) of broadleaf cattail (Typha latifolia), yellow water lilies (Nuphar lutea), and cowbane (Cicuta virosa). Nickel content in bottom sediment was slightly higher than the geochemical background. The largest amounts of Ni were associated with the finest fraction, while the smallest with the thickest fraction. The highest content of this element was recorded at the point Ełk Barany, which was connected with developing industry in the city of Ełk. All of the tested plants showed greater Ni contents than the amount naturally occurring in plants. In most cases, most of Ni was associated with plant roots, and the least with leaves. It has been proven that aquatic plants can be good indicators of the aquatic environment status.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 3; 155-160
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollution Sources and Water Quality State of the Supraśl River
    Autorzy:
    Skorbiłowicz, M.
    Skorbiłowicz, E.
    Wójtowicz, P.
    Ofman, P.
    Zamojska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/124099.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    water quality
    pollution
    river
    wastewater
    Opis:
    The main purpose of the study was to evaluate water quality of the Supraśl river and identify its main pollution sources. On the river and its tributaries, 8 control points were selected, located near Krynica, Gródek, Nowosiółki, Zasady (mouth of the tributary Sokołda), Supraśl, Nowodworce, Dobrzyniewo (mouth of the tributary Biała) and Dzikie. The control points were selected in such a way as to take into account the impact of major point sources of analyzed components located along the river and its main tributaries on water quality in the main stream catchment. Water samples were collected once a month during the period from May to November in 2014. In water samples the concentration of dissolved oxygen, Cl-, SO42-, N-NH4+, P-PO43- and the values of pH, BOD5 and electrolytic conductivity were indicated. Based on the obtained results, loads of the individual components in river waters were calculated as a product of concentration and Supraśl waters flow rate in a particular month. Supraśl waters, due to values of most analyzed parameters, should be classified as first quality class. The source of Cl-, SO42-, N-NH4+ in Supraśl waters were treated wastewater and other anthropogenic sources associated with the basin development. Reduced Supraśl water quality is caused by the inflow of organic substances expressed by BZT5 from natural and anthropogenic origin and concentration of PO43-, which were mainly delivered with treated wastewater.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 2; 64-69
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Content of Heavy Metals in Bottom Sediments of Selected City Rivers of the Podlasie Province
    Autorzy:
    Skorbiłowicz, M.
    Skorbiłowicz, E.
    Górska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/124842.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    heavy metals
    river
    bottom sediments
    Opis:
    The purpose of the work was to determine the relationship between the state of the water environment quality of selected rivers (Zn, Cr, Pb, Cd and Cu tests in bottom sediments), and the sources of pollution resulting from the close proximity to the cities, through which they flow. The following rivers were selected for the study: the Biała river flowing through the city of Białystok, the Narew river flowing through the city of Tykocin and the village of Złotoria, the Supraśl river flowing through the village of Michałowo and Gródek as well as the Biała river flowing through the city of Bielsk Podlaski. The sediments were collected four times from the same points in 2016 in the period from July to October. The sediment samples were collected from the points located on rivers before and beyond towns and villages. The contents of the following metals were tested in the bottom sediment samples: Zn, Cr, Pb, Cd and Cu. The analyses were carried out applying the flame absorption spectrometry method. The statistical multivariate CA and FA analyzes were used. The highest contents of Zn, Pb and Cr were recorded in the bottom sediments from the following rivers: Biała (Białystok) and Biała inflow of Orlanka (Bielsk Podlaski), which resulted from the anthropogenic activity. The research also showed the impact of the agricultural activity due to the slightly elevated Cd level.
    Źródło:
    Journal of Ecological Engineering; 2018, 19, 4; 197-206
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Metals in organs of bottom sediments and aquatic plants of the Ełk River and its tributaries
    Autorzy:
    Skorbiłowicz, E.
    Skorbiłowicz, M.
    Zamojska, E.
    Wójtowicz, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/184486.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    river
    metals
    bottom sediments
    aquatic plants
    Opis:
    The aim of the work was to analyze the content of Ni, Pb and Cd in organs (root, stem, leaf) Typha latifolia L. and Nuphar lutea as well as bottom sediments of the Ełk River and selected tributaries. An attempt was also made to indicate the factors and processes governing the behavior of the investigated metals in the water environment of the examined rivers. The research object was the Ełk River with its three tributaries - the Gawlik River, the Binduga River and the Kuwasy Canal. Samples of bottom sediments, leaves, stems and roots of Typha latifolia L. and Nuphar lutea were collected in August of 2015. The content of metals was determined by flame atomic absorption spectrometry (F-AAS). The results of analyses of sediments and plant material indicate a lack of environmental pollution by nickel (2.58-8.50 mg-kg-1) and lead (3.82-15.99 mg-kg-1) of the Ełk River and its tributaries whereas the cadmium content ranged from 0.16-0.76 mg-kg-1. Nuphar lutea and Typha latifolia L. showed a varied capacity to accumulate nickel (1.20-10.51 mg-kg-1) and lead (0.04-14.16 mg-kg-1), occurring primarily in the roots. The smallest concentration of nickel and lead was recorded in the stems. The highest concentration of cadmium (2.56 mg-kg-1) was noted in the roots and the lowest (0.01 mg-kg) in the leaves. Factor analysis pointed to the processes of mobilizing elements from bottom sediments as a result of pH drop and their uptake by macrophyte roots and sorption processes of metal ions by macrophytes from river waters and their intensive accumulation in bottom sediments.
    Źródło:
    Geology, Geophysics and Environment; 2018, 44, 3; 281-293
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identification of Danger Zones for Surface Water Using GIS (Sip) – Mapinfo System on an Example of Upper Narew River Catchment
    Autorzy:
    Skorbiłowicz, M.
    Skorbiłowicz, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/125133.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    GIS
    danger zones
    river
    buffer zone
    Opis:
    Creating the buffer zones is a function intended to designate an area in particular, of a constant distance around the spatial objects. The aim of the study was to create maps as thematic layers, which served to identify areas of existing and potential contamination of surface water and other environmental elements. Among others, it made possible to localize the areas potentially affected by the surface water pollution due to transport; localize the areas potentially affected by the surface water pollution due to the discharge of sewage from human settlements; localize the zones with mitigated impact of communication emissions due to the natural protection of forests taking the form of so-called geochemical barriers. The spatial analyzes allowed to generate model-zones of the existing and potential threat of water pollution in the Narew river catchment. Designated danger zones can be verified by studies as well as they can be very helpful in determining the monitoring network and for water quality modeling process.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 3; 161-168
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Recognition of Main Processes Forming Chemical Composition of the Supraśl River Water
    Autorzy:
    Skorbiłowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/124907.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    chemical composition
    river water
    multivariate statistical method
    Opis:
    The aim of the study was to identify and define the processes that affect the variability of the chemical composition of Supraśl river water at selected measuring points. One of the recognized multivariate statistical methods was used for identification. The research area covered the Suprasl river. Four measuring points were selected on the river – Michałowo, Gródek, Nowodworce, Dzikie. The measuring points were selected in such a way to take into account the impact of the most intense interaction located along the river. Changes in concentration were determined on the basis of monthly analyzes of water samples collected from the Supraśl river in 2003–2012 by the Regional Inspectorate for Environmental Protection (RIEP) in Białystok. The analyses were performed in the RIEP laboratory in Bialystok, which has implemented and maintained a management system that meets the requirements of the norm PN-EN ISO/IEC 17025 + Ap.1:2007 approved by the certificate AB 165. The water samples were subject to determinations of dissolved oxygen concentration, BOD5, CODMn, CODCr, NH3, N-NH4+, NKieldahl, NO3-, N-NO3-, NO2-, N-NO2-, Ntot., PO43-, Ptot and electrical conductivity value. The monthly sum of precipitation was read based on data from the Weather Service “IMGW-PIB Monitor”. The research and analysis results allowed to identify the self-cleaning, nitrification, and de-nitrification processes, as well as enrichment affecting the variability of the chemical composition of the Supraśl river water. The results from the factor analysis showed some prevailing of enrichment processes over internal changes in the aquatic environment of the Supraśl river.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 1; 154-160
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Accumulation of Heavy Metals in Organs of Aqueous Plants and its Association With Bottom Sediments in Bug River (Poland)
    Autorzy:
    Skorbiłowicz, E.
    Skorbiłowicz, M.
    Malinowska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/124487.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    heavy metal
    bottom sediments
    aquatic plant
    river
    Opis:
    The article presents the results of studies upon metals (Pb, Zn, Cr, Ni, Cu, Co) in bottom sediments and in various parts of the aquatic plants taken from the Bug river (Poland). The metal contents in the examined environmental elements were determined by AAS technique. The aim of this study was to evaluate the content of metals in bottom sediments and macrophytes (root, stem, leaf) occurring in the Bug river. It was hypothesized that the heavy metal content in plant tissues reflects the amount of metals in sediments. It has been shown that the average metal distribution in the examined plants present in the Bug river and bottom sediments was as follows: Pb, Zn, Co, and Cu sediments>root>leaf>stem, while in the case of Ni and Cr, the contents were greater in roots than in sediment (root>sediment>leaf>stem), although the differences in contents were not large. The study showed that most metals are present in roots and only a small part of them is transported to the stem and leaves. The size of the metal movement within plants may depend on their contents. It was found that for Ni, Cr and Cu in 2014, the bioaccumulation factor was above one, which confirms the high efficiency of metals uptake from the environment as evidenced by statistical analysis. Bioaccumulation factor (BF) was smaller than one for Pb, Co and Zn, confirming the high ability to retain metals in the root. Aquatic plants are an effective barrier for the surface water by accumulating heavy metals in their biomass. Macrophytes are proposed to monitor the river pollution.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 4; 295-303
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wykorzystanie techniki sztucznych sieci neuronowych (ANN) do prognozowania stężenia mineralnych form azotu w wodach górnej Narwi
    The use of artificial neural networks (ann) to predict the concentration of mineral forms of nitrogen in waters of the upper Narew River
    Autorzy:
    Skorbiłowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/338708.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    azot
    rzeka
    sztuczne sieci neuronowe
    artificial neural networks
    nitrogen
    river
    Opis:
    Celem prezentowanych w pracy badań było skonstruowanie sztucznej sieci neuronowej do prognozowania stężenia nieorganicznych form azotu w wodach górnej Narwi w zależności od niektórych charakterystycznych cech zlewni. Badania wód Narwi prowadzono w latach 2001-2005, pobierając raz w miesiącu próbki z 10 zlokalizowanych na rzece stanowisk kontrolnych. W czasie 5 lat badańuzyskano 1800 wyników (3 formy azotu). W próbkach wody badano stężenie azotu amonowego, azotu azotanowego (III) i azotu azotanowego (V). Na potrzeby pracy skorzystano z automatycznego projektanta sieci neuronowych zawartego w pakiecie statystycznym Statistica 8.0. Do projektowania sieci wykorzystano algorytm ze wsteczną propagacją błędów. Na podstawie zgromadzonych danych wejściowych i wyjściowych przetestowano 1000 sieci i wybrano jedną w czasie procesu uczenia sieci na zadanej puli wyników liczbowych. Wartości współczynników korelacji r i porównanie stężenia zmierzonego i prognozowanego analizowanych parametrów upoważniają do stwierdzenia, że zaprojektowana sieć umożliwia ograniczoną prognozę wartości stężenia mineralnych form azotu na podstawie zaimplementowanych zmiennych wejściowych.
    The aim of this work was to construct an artificial neural network to estimate the concentration of inorganic forms of nitrogen in waters of the upper Narew River depending on certain characteristics of the catchment. The study of the Narew River waters was carried out in the years 2001-2005 by collecting samples once a month from 10 sampling sites. In total 1800 results (3 forms of nitrogen) were obtained during 5 years of the study. Analysed forms of nitrogen included ammonium nitrogen, nitrate nitrogen (III) and nitrate nitrogen (V). The automatic neural network designer with the backward propagation of errors from the statistical package Statistica 8.0 was used in this paper. Based on obtained input and output data 1000 networks were tested and one was selected in the process of learning networks for a given pool of numerical results. Correlation coefficients r and a comparison of measured and predicted concentrations of the analyzed parameters allowed for the conclusion that the designed network enables limited prediction of the concentrations of mineral nitrogen based on implemented input variables.
    Źródło:
    Woda-Środowisko-Obszary Wiejskie; 2009, 9, 1; 129-140
    1642-8145
    Pojawia się w:
    Woda-Środowisko-Obszary Wiejskie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ rodzaju zlewni na stężenie wybranych makroskładników w wodach górnej Narwi
    Catchment impact on concentrations of selected macroelements in waters of the upper Narew
    Autorzy:
    Skorbiłowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/339115.pdf
    Data publikacji:
    2004
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    cieki
    dorzecze
    makroelementy
    skład chemiczny
    chemical composition
    macronutrients
    river basin
    rivers
    Opis:
    Badania prowadzono w 2002 r. na obszarze zlewni górnej Narwi. Wybrano cztery cieki płynące przez tereny użytkowane rolniczo i trzy przepływające przez tereny z przewagą lasów. Próbki wody do analiz pobierano raz w miesiącu i oznaczano w nich jony wapnia, magnezu, sodu, potasu, żelaza, siarczanowe, chlorkowe oraz wartość przewodności elektrolitycznej. Analizy laboratoryjne wykonano metodą ASA, ESA, a także potencjometryczną i kolorymetryczną. Stwierdzono występowanie zależności między użytkowaniem dorzecza badanych cieków a zawartością badanych składników w ich wodach. W wodach cieków przepływających przez tereny użytkowane rolniczo wykazano większą, potwierdzoną statystycznie, zawartość makroelementów niż w wodach cieków leśnych. W wodach cieków leśnych stwierdzono istotnie większe stężenie jonów żelaza. Zanotowano również nieco wyższe wartości przewodności w wodach cieków z terenów rolniczych w porównaniu z wodami z cieków leśnych.
    Studies were carried out in 2002 in the catchment basin of the upper Narew . Four rivers flowing through agricultural grounds and three rivers flowing through lands dominated by forests were chosen for analysis. Waters were sampled once a month. Concentrations of calcium, magnesium, sodium, potassium, iron, sulphate, chloride and conductivity were measured with the AAS and AES spectrophotometry and with potentiometric and colorimetric methods. Concentrations of analysed elements were found to be related to the type of land use. Waters running through agriculturally used lands carried higher concentrations of macroelements than those flowing through forests. The latter exhibited higher concentrations of iron. Observed differences were statistically significant. Slightly higher conductivity was found in waters from agricultural grounds as compared with those flowing through forests.
    Źródło:
    Woda-Środowisko-Obszary Wiejskie; 2004, 4, 1; 117-123
    1642-8145
    Pojawia się w:
    Woda-Środowisko-Obszary Wiejskie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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