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Wyszukujesz frazę "Grobelska, H." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Zmiany zadrzewień w strefie brzegowej jezior w efekcie ich spiętrzania (Zbiornik Pakoski, Noteć Zachodnia)
Modifications of trees growing in lake coastal zone as a effect their uplifting (Pakosc Reservoir, West Notec River)
Autorzy:
Grobelska, H.
Powiązania:
https://bibliotekanauki.pl/articles/2084317.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Opis:
In 1975 as a result of the 4.5-metre uplifting of water in two lakes functioning since the late glacial (Niewiarowski 1976), there was created the Pakość Reservoir (West Noteć River). It is the biggest lake-type reservoir in Poland (Gołdyn 1990). The water area increased from 8,1 to 13,0 km². The scale of changes on the reservoir turned the natural lake-like body of water into artificial one. The exploitation manual of the reservoir allows for water level amplitudes up to 3.9 m, within the range from 75.5 m above sea level that is 0.6 m above maximum water levels which occurs on lakes before their accumulation to 79.4 m above sea level. In this situation more then 1/3 area of the reservoir is periodically drained. Before the uplifting water level in lakes cut trees growing beside lakes. At present there are many tree roots on the periodically drained part of shore zone which are 0,4-1,2 m uncovered (Photo 1, 2). Coastal zone of the Pakość Reservoir is stili active. Along abrasive part of it there is observed the cliff edge recession. From 1975 to 2003 it was removed about 12-35 m. The average speed in last years is about 10 cm per year. One of the effects of this process is the uncovering of the tree roots which grow in abrasion part of coastal zone. Next years this process will cover new trees growing in bigger distance from position of basic coastal line. When more then 80% tree roots are uncovered and exposed - the tree dies. In Pakość Reservoir to fulfill it this process takes less then 25 years!
Źródło:
Prace i Studia Geograficzne; 2012, 50; 19-27
0208-4589
Pojawia się w:
Prace i Studia Geograficzne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Above - water accumulative forms within the shore zone of the reservoir showing significant seasonal water level fluctuations based on the Pakoski reservoir
Autorzy:
Grobelska, H.
Powiązania:
https://bibliotekanauki.pl/articles/294412.pdf
Data publikacji:
2008
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
artificial water reservoir
water level fluctuations
accumulation
accumulative form
morphogenetic classification of forms
Opis:
The Pakoski reservoir .was created in 1975 as a result of damming the lakes located within the Western Valley of the Noteć River. This reservoir operates in rearly cycles with water level fluctuations of up to 3.6 m. The researches carried off by the author in the years 1998-2003 indicate that the thirty-year exploitation period has not ended the intense reshaping phase of the shore zone of the reservoir. Both intensive shore abrasion and various accumulative forms support the above statement. These forms include the small ones of distinctively initial character, such as accumulative spurs or berms, as well as the complex ones whose shaping process has almost finished and the area of which exceeds a few hundred square metres. Due to constant lowering of the water level, accumulative forms occur within the entire width of the shore-platform which is being dried. In most cases these are whole groups of smaller forms related to one another. A beach can constitute a good example, as it predominantly combines a few, most often 5 to 6, adjoining beach ridges separated with small lagoons.
Źródło:
Landform Analysis; 2008, 6; 28-40
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozwój strefy brzegowej sztucznych zbiorników wodnych w warunkach dużych wahań stanów wody
Autorzy:
Grobelska, H.
Powiązania:
https://bibliotekanauki.pl/articles/294436.pdf
Data publikacji:
2008
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
strefa brzegowa
sztuczny zbiornik wodny
stany wody
reżim eksploatacyjny
Źródło:
Landform Analysis; 2008, 9; 205-207
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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