Temat: loess areas - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Phases of gully erosion recorded in alluvial fans (Lublin Upland, E Poland)
Autorzy:: Superson, J.
Klimowicz, Z.
Reder, J.
Rodzik, J.
Zgłobicki, W.
Powiązania:: https://bibliotekanauki.pl/articles/295202.pdf
Data publikacji:: 2011
Wydawca:: Stowarzyszenie Geomorfologów Polskich
Tematy:: alluvial fans
historical gully erosion
loess areas
Eastern Poland
Opis:: The study was focused on the alluvial fans formed in the bottom of the Bystra river valley. A detailed analysis of four fans allowed to distinguish several phases of gully erosion related to human activity. The gullies started to develop in the Neolithis times, the subsequent phases of gully erosion could be dated to: Bronze Age, Middle Ages. In modern times, most of the sediments have been retained within the extensive gully systems.
Źródło:: Landform Analysis; 2011, 17; 205-208
1429-799X
Pojawia się w:: Landform Analysis
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Erozja wąwozowa w zachodniej części Płaskowyżu Nałęczowskiego
Gully erosion in the western part of the Nałęczów Plateau (Lublin Upland).
Autorzy:: Gardziel, Z.
Harasimiuk, M.
Jezierski, W.
Pawłowski, A.
Zgłobicki, W.
Powiązania:: https://bibliotekanauki.pl/articles/2074492.pdf
Data publikacji:: 2006
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: erozja wąwozowa
Płaskowyż Nałęczowski
gully erosion
loess areas
Nałęczów Plateau
Opis:: The areaswith thick loess covers face the risk of intense soil erosion processes as well as gully erosion. The western part of the Nałęczów Plateau is especially prone to particularly high degree of intensive erosion among the region (denudation hazard. The density of the gully network reaches here up to 10 km/km2. The administrative area of Kazimierz Dolny is under extreme threat of severe consequences of erosion processes which appeared with high frequency and caused significant devastation of infrastructure not only on a national but maybe on a European scale as well. Geological conditions together with surface features favour intensive, secondary and anthropogenically conditioned erosion processes. Already in the historical sources there are mentions about the disastrous consequences of torrential rainfalls in the Kazimierz Dolny region. In such conditions the torrential rainfall waters flow quickly down the gully bottoms of considerable inclinations, concentrating on the bottom of Grodarz river valley. As a result it may lead to flooding or silting of crops, the roads may be destroyed or silted and the properties completely flooded. Taking into account the natural and cultural values of Kazimierz Dolny and its surroundings, as well as the presence of the Kazimierz Landscape Park it is necessary to take urgent steps in order to limit the threats considerably.
Źródło:: Przegląd Geologiczny; 2006, 54, 9; 768-776
0033-2151
Pojawia się w:: Przegląd Geologiczny
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Stratigraphy and sedimentology of the Bug loess (Pleistocene: Upper Vistulian) between Kiev and Odessa (Ukraine)
Autorzy:: Chlebowski, R.
Gozhik, P.
Lindner, L.
Łanczont, M.
Wojtanowicz, J.
Powiązania:: https://bibliotekanauki.pl/articles/2058875.pdf
Data publikacji:: 2003
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Ukraine
Kiev–Odessa area
alimentation areas
heavy minerals
last glaciation
loess
Opis:: Documented type sections (Vyazivok, Stayky, Uman, Troitskoye, Altestovo, Roxolany and Lebedivka) provide a basis for Pleistocene stratigraphy between Kiev and Odessa, and have been used to characterise the heavy mineral composition and part of the light fraction of the Bug loess in this area. These sections document an almost complete succession of climatic change during the last 780 ka, worked out mostly using loesses and palaeosols though also in the case of the first two sections, of glacial deposits. The heavy mineral composition of the Bug loess in these sections documents five mineral groups on the basis of their resistance to weathering and susceptibility to deflation and aeolian transport. Radar charts with particular mineral groups indicate mineralogical and genetic trends in the loesses. Moreover, in some sections the light fraction of the loess investigated contains derived microfossils (mainly foraminifers) of Cretaceous age, indicating source areas for the loess-forming material, and constraining the palaeowind directions. The data obtained allow distinction of three accumulation zones of the Bug loess in this area, reflecting loesses derived from different source areas and transported by winds from different directions. In northern sections (zone A), the Bug loess was accumulated by winds blowing from the west and north-west. More to the south (zone C), the same loess was accumulated by winds from the east and south-east. Loess preserved in zone B, between these areas, could be accumulated by winds from either of these directions.
Źródło:: Geological Quarterly; 2003, 47, 3; 261-268
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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