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    Wyświetlanie 1-4 z 4
    Tytuł:
    Eye-tracking Analysis of the Ergonomics of an Internet-based Educational Portal in the Acceptance Testing Process
    Autorzy:
    Wawer, Rafał Ireneusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2044838.pdf
    Data publikacji:
    2021-12-28
    Wydawca:
    Uniwersytet Rzeszowski
    Tematy:
    eye-tracking
    optimisation
    ergonomics
    effectiveness
    content
    testing
    Opis:
    In the article I will present the concept of using eye-tracking to examine the ergonomics of operating an Internet educational portal in the acceptance testing process. In the test performed, the results were obtained in nine sections characteristic of the defined AOI1 vs. REC. Selected data has been presented as an example of the results obtained from a complete study showing how users browse the content of the primary conclusion is the way of arranging information on the home page. Permanent arrangement of information takes the form of a non-editable menu. This is the most popular solution found, because it allows for permanent unity of content and easy search. 1. Coherence is located in the context of logical substantive integration. 2. Communication is measured by measuring average time viewed, fixations and number of revisits to defined areas.
    Źródło:
    Journal of Education, Technology and Computer Science; 2021, 12, 2(32); 141-147
    2719-6550
    Pojawia się w:
    Journal of Education, Technology and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of methods for determining the LS index at different resolutions for soil erosion modeling using the RUSLE method
    Autorzy:
    Badora, Damian
    Wawer, Rafał
    Powiązania:
    https://bibliotekanauki.pl/articles/37241617.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy
    Tematy:
    LS factor
    soil erosion
    spatial resolution
    Opis:
    This paper investigates the impact of Digital Terrain Model (DTM) resolution on the calculation of the sediment transport capacity coefficient LS within the Bystra catchment, employing various methods through GIS software. The study focuses on the significant role of GIS in environmental research and process modeling, emphasizing the relevance of LS coefficient analysis in morphometry, hydrology, and geomorphology, particularly in the context of agricultural soil erosion. The study presents results from calculating the sediment transport capacity factor LS using three methods for different resolutions (1, 5, 10, 30, 90 meters). LS coefficient determination relies on the catchment area map and slope map, the latter determined using two methods. The catchment area considered is that of the Bystra River, a right tributary of the Vistula, flowing through Nałęczów, Wąwolnica, Celejów, Bochotnica in the Lublin Province. Upon determining the LS coefficient, variations in results are observed, dependent on the chosen method. The discussion section highlights differences in LS coefficient maps based on resolution and method, with notable distinctions in the north-western part for a 10-meter resolution. Analyzing LS coefficient maps at different resolutions, the study observes variations in results based on the method employed. Higher LS coefficient values are noted in the river channel for a 1-meter resolution, attributed to factors such as river bed structure, building rocks, terrain slope, and climate. The conclusions emphasize the use of specific methods for determining slope rasters and highlight the Desmet and Govers method as yielding smaller variances in LS coefficient determination compared to other methods. The study recommends DTM models with resolutions of 1, 5, and 10 meters for LS modeling, considering their beneficial influence on variance and resolution. In summary, this paper contributes valuable insights into the influence of DTM resolution on LS coefficient calculations, providing a nuanced understanding of the interplay between methods, resolution, and terrain characteristics in the context of sediment transport capacity.
    Źródło:
    Polish Journal of Agronomy; 2023, 52; 110-122
    2081-2787
    Pojawia się w:
    Polish Journal of Agronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of DTM resolution on the determination of slope values in an upland catchment using different computational algorithms
    Autorzy:
    Badora, Damian
    Wawer, Rafał
    Powiązania:
    https://bibliotekanauki.pl/articles/2163443.pdf
    Data publikacji:
    2023-01-31
    Wydawca:
    Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy
    Tematy:
    terrain slope
    DTM
    resolution of the DTM
    Opis:
    This paper presents the results of determining slope values using seven different methods for different resolutions: 1, 5, 10, 30, 90 meters for the Bystra catchment area. After calculating the slopes using different methods for different resolutions, the following slope ranges were created: 0.00o–2.99o, 3.00o–5.99o, 6.00o–9.99o, 10.00o–14.99o and ≥15o into which the corresponding pixels were included. The results of slope calculations were compared with geodetic field measurements of slopes in the vicinity of Esterka castle in Bochotnica, which is located in the Bystra catchment area. It was found that the good reproduction of the actual terrain relief, represented by the 1 m resolution Digital Terrain Model (DTM), deteriorates significantly starting from 30 m resolution. The method for determining terrain slopes that most accurately represents the true relief variability is the 2nd Degree Polynomial Adjustment method (Zevenbergen et al., 1987). The results of the analyses are crucial for determining the minimum quality of DTM data.In this study, high resolution data (1 m, 5 m, 10 m) were found to be suitable for analysis and interpretation of terrain slopes in a small catchment. The results of the study show what resolution of DTM should be used for other studies: morphometric, geomorphological or hydrological of small catchments, where the quality of results is important e.g. in accurate water balance analysis of catchments or soil erosion analysis in agriculture.
    Źródło:
    Polish Journal of Agronomy; 2022, 51; 11-32
    2081-2787
    Pojawia się w:
    Polish Journal of Agronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential of agroforestry systems in preserving Europe’s soil productivity in lowland and highland landscapes by limiting soil erosion by water
    Autorzy:
    Wawer, Rafał
    Koza, Piotr
    Borek, Robert
    Gliga, Adrian-Eugen
    Ghaley, Bhim Bahadur
    Xu, Ying
    Smith, Jo
    Smith, Laurence
    Șandor, Mignon
    Pisanelli, Andrea
    Augusti, Angela
    Russo, Giuseppe
    Lauteri, Marco
    Ciolfi, Marco
    Mølgaard Lehmann, Lisa
    Nowocień, Eugeniusz
    Badora, Damian
    Powiązania:
    https://bibliotekanauki.pl/articles/2148186.pdf
    Data publikacji:
    2021-12-30
    Wydawca:
    Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy
    Tematy:
    innovative food and non-food systems
    agroforestry
    soil erosion by water
    RUSLE
    Opis:
    Over the past half-century, an expansion of agriculture on lands is observed, followed with increased intensification through larger fields of monoculture crops and application of high level of inputs, that icreases the pressures agriculture sets upon the environment. Raising awareness of consumers and environmentalists led to the promotion of several alternative farming practices, including integrated food and non-food systems (IFNS). Here we explore the potential of different kinds of IFNS systems in delivering environmental benefits, focusing on preserving soil functions as the form of land use limiting the loos of soil by water erosion. Six successfully implemented IFNS systems located in UK, Poland, Italy, Denmark and Romania, were taken as a baseline to investigate their potential impact onto lowering soil loss by water erosion in their respective NUTS3 regions, when they would be applied widely on a regional scale. The results of analyses performed within GIS systems based upon European datasets revealed, that altogether the highest potential of limiting the area of soil erosion exceeding 0,5 Mg ha-1y-1 by an IFNS existing in a particular NUTS is observed in Romania, where 531km2 may be protected effectively with exiting silvopastoral system, while applied in a longer term on non-pastoral land cover classes it could provide effective protection for another 1362 km2. Second largest influence can be achieved in Polish NUTS region, where 125 km2 may be taken into protection directly and an another 1140 km2 may be transformed into agroforestry systems to lower the risk of soil erosion by water. In all investigated regions, a wide introduction of IFNS, that are already proven to be economically successful, would decrease soil loss considerably on existing land cover classes similar to IFNS systems covering 4927km2, while potentially on all agricultural land up to 8854km2.
    Źródło:
    Polish Journal of Agronomy; 2021, 47; 78-86
    2081-2787
    Pojawia się w:
    Polish Journal of Agronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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