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Wyszukujesz frazę "gully formation" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Paradoxes in the development of gullies
    Autorzy:
    Starkel, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/294661.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    gully formation
    linear erosion
    piping
    mass movements
    rainfall intensity
    permability of substratum
    Opis:
    Gullies in the temperate zone are the products of linear erosion, piping and mass movements active mostly during heavy rains. On dominant role of one of those three co-operating processes decide the parameters of rainfalls and permability of substratum. The diversity of gullying depends also on the inherited relief and stage of development of gully forms. In the cultivated areas the formation of gullies is initiated also by cart-roads.
    Źródło:
    Landform Analysis; 2011, 17; 11-13
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Landscape changes based on sedimentological and geochemical studies in the region of Brudzeń Duży
    Autorzy:
    Smolska, Ewa
    Szwarczewski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/2036866.pdf
    Data publikacji:
    2014-04-10
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Geomorphology
    alluvium
    colluvium
    human impact
    gully formation
    sedimentation rates
    Northern Poland
    Opis:
    Sedimentological and geochemical research carried out in North- West Mazovia, central Poland, allowed the determination of landscape transformation in relation to the history of human settlement. The types of sediments subject to analysis included palaeochannel filling, accumulation on the river floodplain and colluvial deposits. The absolute ages of sediments and their sedimentological features allow the conclusion that the first response to human activity in the area is recorded in the overbank deposits in the Skrwa River valley as a result of the Wielbarska Culture in 200-300 AD. Subsequently, fan accumulation at the mouths of gullies started around the 12th-13th centuries AD. Frequent changes of sediment properties have been observed since the early Middle Ages. The subsequent anthropogenic impact on homogenous deposits is recorded in increased heavy metal concentration in vertical geological profiles.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2014, 18, 1; 52-60
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Permanent gullies in the Nitra Hill Land, Slovakia : about the cause of gully formation
    Autorzy:
    Papčo, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/295166.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    permanent gullies
    historical and current maps
    historical written sources
    cause of gully formation
    Nitra Hill Land (Slovakia)
    Opis:
    The paper deals with the spatial evolution of permanent gullies (under forest at present) in time in the northern part of the Nitra Hill Land (Slovakia) with the discussion on possible cause of their formation. For the purpose analyses of historical and current maps from the years 1783, 1838, 1882 and 2001 as well as aerial photographs from the second half of the 20th century and various historical written sources related to the years 1770, 1783, 1817, 1843 and 1956 were used. Based on the gained results an erosion activity of gullying can be found in the study area between the seventies of the 18th century to the sixties of the 20th century. Beyond the two main possible causes of the erosion activity as climatic change or (and) alteration in land use also conditions, such as agricultural system, different land use pattern, demographic characteristics or level of human society development may be considered.
    Źródło:
    Landform Analysis; 2011, 17; 139-144
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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