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    Wyświetlanie 1-5 z 5
    Tytuł:
    Quantitive and qualitative analysis of household waste - comparison of official data and results of case study
    Autorzy:
    Stejskal, B.
    Mašíček, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/101117.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    household waste amount
    household waste composition
    waste management information system
    waste analysis
    Opis:
    Statistical data of household waste management and relevant data found by one year long direct survey at five households were compared. While the composition of residual (mixed) household waste is determined by sieve analysis and manual aftersorting to predetermined groups (and the material composition of waste that passes through a sieve mesh of 8x8 mm openings is not detected by this analysis), during the direct survey in households all the household waste is sorted to predetermined groups. Official information systems report that average total amount of household waste is 301 kg per person and just less than 4 % of it is sorted to usable fractions. The direct survey shows that avarage total amount of household waste is just 164 kg per person and it is possible to sort 63 % of it.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/4; 1867-1877
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Using the step linear regression at the analysis of hydrological conditions of the Frysavka drainage basin
    Autorzy:
    Masicek, T.
    Toman, F.
    Palat, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/60472.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    runoff curve number
    correlation index
    landscape cover
    DesQ–MAXQ model
    run-off
    regression analysis
    correlation analysis
    retention
    hydrological condition
    drainage
    Frysavka basin
    statistical analysis
    Opis:
    Problems of the retention capacity of the landscape and related runoff conditions are at present, at the time of the occurrence of frequent storm floods, a topical problem. Our research was aimed at the evaluation of effects of physical-geographical factors on hydrological conditions of the Fryšávka River drainage area occurring in the southern part of the Žďárské vrchy CHKO (Žďárské Hills Protected Landscape Area) depending on the current position of the landscape cover. Preparation and analyses of source data were carried out in ArcGIS 9.2 in the ArcView software product by means of the set of integrated software applications ArcMap, ArcCatalog and ArcToolbox. To determine hydrological conditions at the absence of hydrometric observations a method was used of numbers of runoff curves CN in a modification of the DesQ-MAXQ deterministic episode model. Based on hydrological characteristics, potential retention was monitored as well as the volume of flood wave, concentration time and peak discharge. Hydrological modelling was carried out on a design storm precipitation with the return period of 100 years. The significance of physical-geographical factors affecting the landscape retention capacity and runoff conditions was quantified by the statistical method of multiple regression and correlation analysis on the set of 95 partial drainage areas of the studied region. The analyses were carried out using the UNISTAT system. The method makes possible to select independent variables by gradual steps from most important down to least important. Finally, using the step linear regression, a certain number of independent variables was selected mostly affecting the size of a respective dependent variable together with the quantification of their operation through regression coefficients. Results achieved could be used at the implementation of preventive measures resulting in increasing the retention capacity of partial drainage areas, which served for the registration of major runoffs from a unit area.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2011, 11
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of erosion vulnerability of agricultural land in the catchment of Luh stream using the GIS tools
    Autorzy:
    Mašíček, T.
    Kozlovsky Dufková, J.
    Stejskal, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/100917.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    water erosion
    erosion control
    crop rotation
    USLE
    ArcGIS
    LS-converter
    USLE2D
    Luh stream catchment
    Opis:
    Utilization of geographic information systems (GIS) for the erosion vulnerability analysis of agricultural land is shown on the example of Luh stream catchment, Czech Republic, district of Vysočina. Evaluation of soil erosion conditions according to the Universal soil loss equation (USLE) was done in ArcGIS 10 Desktop, software product of ArcInfo using a set of integrated software applications ArcMap, ArcCatalog and ArcToolbox user interface with LS-converter and USLE2D programs. The project of erosion control measures and evaluation of their effect on the erosion were parts of the analyses. Erosion control crop rotations with soil protective technologies, that change the value of cover-management factor, were used as erosion control measures.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/4; 1789-1810
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative study of soil infiltration capacity at selected sites
    Autorzy:
    Vicanova, M.
    Toman, F.
    Masicek, T.
    Oppeltova, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/62345.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    soil infiltration
    soil
    infiltration rate
    hydrophysical property
    soil property
    soil compaction
    Czech Republic
    territory characteristics
    soil moisture
    bulk density
    porosity
    soil quality
    Opis:
    The study deals with definition and cross-comparison of soil infiltration capacity at two selected sites located in cadastral territories of Nosislav and Žabčice, Czech Republic. In order to assess the soil infiltration capacity in the areas of interest Niva and Kovál over the course of the 2010 growing season, four trips were made with three measurements taking place during each trip. A method of doublering infiltration measurement was applied, based on the use of two concentric cylinders in field conditions and the subsequent data processing via geographical-empirical method according to Kostiakov. The soil infiltration capacity was assessed with regard to physical properties determined by an analysis of intact soil samples using Kopecky cylinders. The results indicate a reduced infiltration capacity due to soil compaction and also significant differences between the two sites, primarily caused by differences in soil type and, hence, different physical characteristics.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2011, 12
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of Biodegrability of Degradable/Biodegradable Plastic Material in Controlled Composting Environment
    Autorzy:
    Adamcová, D.
    Vaverková, M. D.
    Mašíček, T.
    Břoušková, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/124729.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    degradation
    controlled environment
    thermogravimetrical analysis
    SEM photographs
    Opis:
    We have obtained eight degradable/biodegradable materials based on starch (certified compostable), sample 4–7, HDPE mixed with totally degradable plastic additive (TDPA), sample 2 and polyethylene with the addition of pro-oxidant additive (d2w), sample 1. Composition of sample 3 has not been reported. The materials have been tested as to the rate and character of their degradability/biodegradability in controlled composting conditions. Experiment explored also the effect of degradation/biodegradation of plastic bags on compost quality. The material of the original samples was subjected to assessment using the Nicolet 6700 FT-IR spectrometer, the outcome thereof was obtaining infrared spectra of the samples. For further specification the original samples were tested using the thermogravimetrical analysis. The texture of the foils at different stages of degradation is presented in the Scanning Electron Microscope (SEM) photographs. Plastic bags certified as compostable have degraded in laboratory conditions and their degradation had no impact on the quality and features of compost. Selected samples (4, 6) showed significant erosion on surface when subjected to the SEM analysis. Samples labeled (by their producers) as 100% degradable (samples 1, 2, 3) did not show any visual signs of degradation and the process of degradation had no impact on the quality and features of compost. Only one of the samples (sample 1) showed certain erosion of surface when submitted for the SEM analysis.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 4; 1-10
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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