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Wyszukujesz frazę "Karásek, Petr" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
The Effect of Windbreak Parameters on the Wind Erosion Risk Assessment in Agricultural Landscape
Autorzy:
Kučera, Josef
Podhrázská, Jana
Karásek, Petr
Papaj, Vladimir
Powiązania:
https://bibliotekanauki.pl/articles/125326.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
climate change
agricultural land
protection zones
Opis:
The increasing risk of wind erosion in the context of climate change represents a highly pressing issue. This increase is a result of the growing occurrence of droughts and elevated temperatures in the intensively farmed areas. Effective protection against the wind erosion can be provided by windbreaks, especially during the period when the soil is not protected by the vegetation cover of crops. In this report, the authors wanted to compare the methods defining the windbreak protection zones. The optical porosity and the windbreak height were the basic parameters for defining the protection area. The various methods differ among themselves by using the windbreak height parameter or not. The optical porosity of the windbreaks was determined based on photographic documentation. For the comparison, the cadastral area of Micmanice was selected due to the wide network of windbreaks in this locality. A database of windbreak height and optical porosity for each windbreak was set up. Our report thus presents the application of the new knowledge aimed at updating the methods and procedures for assessing the vulnerability of the area by wind erosion. The application of the method involving the optical porosity and windbreak height parameters resulted in a significant reduction of the windbreak protection zone compared to the method omitting the windbreak height.
Źródło:
Journal of Ecological Engineering; 2020, 21, 2; 150-156
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of Land Management on the Retention Capacity of Agricultural Land in the Conditions of Climate Change – Case Study
Autorzy:
Podhrázská, Jana
Kučera, Josef
Karásek, Petr
Szturc, Jan
Konečná, Jana
Powiązania:
https://bibliotekanauki.pl/articles/1839537.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
climate change
infiltration capacity
rainfall simulator
Opis:
The water retention capacity of a territory is mainly defined by the land conditions, type of soil cover and manner of land management. The manifestations of the climate change reflect the need for better water capture from precipitation in agricultural catchment areas. The effect of the soil cover on the water retention capacity was studied in two localities with different soil types (chernozem and cambisol). The results have shown significant effects of permanent grass covers on increasing the water retention capacity. The mean retention capacity measured at permanent grass covers was 1.7-fold higher than at arable land. The soil type did not play a significant role. To some extent, the retention capacity is also influenced by the used agro-technology. After stubble-tillage, the water from precipitation was better infiltrated by arable land than by permanent grass cover. However, during a major part of the vegetation period, arable land is at the rest, and the short-term increase of its retention capacity has no impact on the overall outcome.
Źródło:
Journal of Ecological Engineering; 2021, 22, 1; 258-266
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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