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Wyszukujesz frazę "Tsermegas, I." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Uwarunkowania współczesnych procesów rzeźbotwórczych w Grecji
Conditions of contemporary geomorphic processes in Greece
Autorzy:
Tsermegas, I.
Powiązania:
https://bibliotekanauki.pl/articles/2084799.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
Grecja
procesy rzezbotworcze
rzezba terenu
antropopresja
klimat
temperatura powietrza
gory
tereny gorskie
warunki klimatyczne
Opis:
The aim of the paper was to identify the main factors affecting contemporary relief-forming processes in Greece. The analysis focused on areas with a varied type of relief. These were: high mountains, mountains of intermediate and low relief as well as valley and basin bottoms. The orographic diversity of Greece is the consequence of internal processes associated with the Alpine orogenesis and the neotectonic rejuvenation of relief. Lithology is considered to be of much lesser importance as its impact was mainly local. Contemporary morphogenetic processes in Greece are also conditioned by morphometric and lithological factors. In addition to that, many centuries of anthropopressure significantly affect the shaping of relief in this area. Locally, it is more significant than climatic influence.
Źródło:
Prace i Studia Geograficzne; 2009, 41; 223-233
0208-4589
Pojawia się w:
Prace i Studia Geograficzne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Formy i procesy fluwialne w obszarze Morza Egejskiego na przykładzie Ikarii (Grecja)
Fluvial landforms and processes in the region of the Aegean Sea, based on Ikaria Island (Greece)
Autorzy:
Krzemien, K.
Biejat, K.
Dluzewski, M.
Tsermegas, I.
Powiązania:
https://bibliotekanauki.pl/articles/2084332.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
Ikaria
procesy fluwialne
Grecja
Morze Egejskie
klimat
zlewnie
doliny
Opis:
Main aims of the research were: i) to assess the degree of development of fluvial landforms on Aegean Islands and ii) to determine the influence of fluvial processes on modification of islands relief. Field studies were conducted on the Ikaria Island, with highly diversified geology and relief, typical of mountainous islands of the Aegean Sea. The island is heavily dissected by deeply incised valleys and gorges with very steep slopes. The valleys on Ikaria Island vary in size, direction, geological setting and maturity. In the four small catchments located in the northern part of the Ikaria Island four types of valleys (from 1st to 4th order, according to Strahler) were studies in detail. Uppermost parts of these valleys (1st order valleys) have slightly concave cross-sections covered with regolith without developed channels. Such forms gradually evolve into 2nd order valleys with seasonal river channels, and further downstream, into well developed deep river valleys. Ravines with channels incised into solid rock are characteristic of the 3rd order valleys. The 4th order valleys are well developed, deeply incised gorges with wide channels sometimes accompanied by river terraces. Channels of small streams, rivers and field tracks in the mountains are subject to differentiated modelling by running water. In islands of the Aegean Sea, intensity of this modelling is diversified and rather small. It depends mostly on rainfall intensity, bedrock resistance to erosion, slope inclination and aspect. Catastrophic hydrometeorological events such as one which occurred in Ikaria in October, 2010, are responsible for rapid modification of whole valley floors and modification of river channels at lower river runs, within deltas and alluvial fans.
Źródło:
Prace i Studia Geograficzne; 2012, 49; 119-136
0208-4589
Pojawia się w:
Prace i Studia Geograficzne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Degradacja tarasów rolnych w warunkach śródziemnomorskich - wybrane przykłady z Wysp Egejskich (Grecja)
Degradation of terraced slopes in Mediterranean conditions: selected examples from the Aegean Islands (Greece)
Autorzy:
Tsermegas, I.
Dluzewski, M.
Biejat, K.
Szynkiewicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/2084329.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
rolnictwo
tereny rolnicze
kraje srodziemnomorskie
Grecja
erozja
Opis:
The main aim of the study was to estimate the influence of relief, lithology, climatic conditions, methods of wall construction and actual agricultural practice on the degradation of traditional agricultural terraces on the example of three Greek islands. We selected 7 research plots situated in 5 different geological settings - 3 on the Ikaria island, 2 on Thira, and 2 near Plati village on the SW edge of Lassithi Plateau on the Crete island. We used the following methods: GPS RTK measurements, mapping of erosion features, georadar profliling, infiltration rate measurements and interviews with farmers. We find that lithology is the most important factor controlling terraces degradation, but only in relation to methods of cultivation. Traditional agricultural practice helps terraces to remain stable, because cultivated field increases the possibility of infiltration and limits surface runoff. Heavy rainfalls do not affecting terraces stability due to high ground infiltration rate or high permeability of dry-stone walls. Terraces are more stable if they are concordant to the natural slope profile. On the terraced slope erosion is lower than on non-terraced slope. This is true only on the slope with very limited vegetation cover.
Źródło:
Prace i Studia Geograficzne; 2012, 49; 151-171
0208-4589
Pojawia się w:
Prace i Studia Geograficzne
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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