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Wyszukujesz frazę "dune erosion" wg kryterium: Temat


Wyświetlanie 1-5 z 5
Tytuł:
Preventive Archaeology in Latvia: example investigations in the historical town centres on Kuldīga and Ventspils
Archeologia ratownicza na Łotwie na przykładzie badań w centrach dwóch miast historycznych Kuldygi i Windawy
Autorzy:
Zirne, Sandra
Lūsēns, Mārtiņš
Vijups, Armands
Powiązania:
https://bibliotekanauki.pl/articles/896897.pdf
Data publikacji:
2015
Wydawca:
Narodowy Instytut Dziedzictwa
Tematy:
preventive archaeology
supervision
rescue excavations
historical development
dune erosion
Opis:
This article deals with preventive archaeology issues in the Republic of Latvia. Legislative bacground provides presence of archaeologists in construction projects. During last decade in the Latvia the largest share of carried out archaeological fieldwork are archaeological supervisions. Despite of small scale rescue excavations and archaeological supervisions significant archaeological data has been collected on further investigations on historical development of ancient towns. As examples are presented the most interesting discoveries in the two towns located in the Western part of the Latvia – Kuldīga and Ventspils. Archaeological investigations of the town streets in Kuldīga, carried out by M. Lūsēns, supplemented the reconstruction and localization of old Kuldīga, mostly based on information found in written sources. Small-scale preventive archaeological projects that have taken place in the seaside town Ventspils has resulted in a study of A.Vijups on the impact of dune erosion processes on historical development of town.
Źródło:
Raport; 2015, 10; 219-231
2300-0511
Pojawia się w:
Raport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Storm surges versus shore erosion: 21 years (2000–2020) of observations on the Świna Gate Sandbar (southern Baltic coast)
Autorzy:
Łabuz, Tomasz Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/15805040.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
storm surge
sea level
run-up
dune erosion
beach erosion
sand volume changes
Baltic Sea
Opis:
Based on observations spanning 21 years (2000–2020), the article studies the effects of storm surges on the shore of the Świna Gate Sandbar in the southern part of the Pomeranian Bay (southern Baltic Sea). Impacts of selected maximum storm surges in each year were assessed with respect to morphological data collected on the beach and the foredune. The data included parameters of beach-dune erosion as measured along a beach transect before and after each surge. Differences and trends in the shore erosion were related to the sea level (SL), duration of a storm surge [highest storm sea level (HSL) > 1 m], wind-wave sector and wave run-up. The relationships were explored using a sim- ple correlation analysis. The most serious erosion was observed during the heaviest surges [HSL > 1.3 m above the mean sea level (AMSL)], with a wave run-up higher than 3.2 m AMSL. Such surges occurred at about 2-year intervals. The average SL during a surge was 1.2 m AMSL, with a run-up of 2.6 m AMSL. The beach and the lower part of the shore, below that level, were eroded each year. The heaviest surges resulted in an average 5.2 m and 7.0 m dune retreat on the high-beach-accumulative shore and on the low-beach-erosive shore, respectively. The dune was not eroded when the beach height exceeded the wave run-up. The heaviest surges eroded away 12–14 m3 of the beach sand volume. The shore erosion was found to be related to the storm surge duration, the maximum SL, the run-up and the beach height prior to the surge.
Źródło:
Quaestiones Geographicae; 2022, 41, 3; 5-31
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Calculation of Dune Profile Changes Generated by Hurricane: Preliminary Results
Autorzy:
Szmytkiewicz, P.
Szmytkiewicz, M.
Schönhofer, J.
Morawski, J.
Malicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/241504.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
coastal zone
dune
erosion
Opis:
The paper presents the main theoretical concepts related to methods of calculating the erosion rate for sandy dunes on natural coasts, namely, the beach equilibrium profile and incident waves. To illustrate calculations of dune erosion in the vicinity of the Coastal Research Station (CRS) in Lubiatowo, the Xbeach model (an incident wave model) was used. The calculations were carried out for hydrological and hydrodynamic conditions that accompanied Hurricane Ksawery (December 6–8, 2013). The results of the calculations were compared with the measured data. A satisfactory agreement was obtained between the predicted and measured results.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2018, 65, 3; 221-239
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Erosion and its rate on an accumulative Polish dune coast: the effects of the January 2012 storm surge
Autorzy:
Labuz, T.A.
Powiązania:
https://bibliotekanauki.pl/articles/48033.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
storm surge
water level
coastal erosion
morphological parameter
Polish dune coast
biodiversity
coastal profile
quantitative analysis
Źródło:
Oceanologia; 2014, 56, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Condition of South-Eastern Baltic Sea Shores and Methods of Protecting Them
Autorzy:
Ostrowski, R.
Pruszak, Z.
Babakov, A.
Powiązania:
https://bibliotekanauki.pl/articles/241406.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
South-Eastern Baltic coast
dynamics of cliffs and beach/dune shores
anthropogenic impacts
shore protection against erosion
Opis:
The paper describes lithodynamic and morphodynamic processes occurring in the main part of the south-eastern Baltic coastal area, namely on the sea shores from the Vistula mouth in the Gulf of Gdansk to the Lithuanian-Latvian border. The study area is subject to intensive natural coastal changes, as well as shore evolution caused by anthropogenic impacts at several locations. Methods of coastal protection against erosion and shore stabilization systems applied in the past and currently are described. The paper deals with the causes of the dynamics of beach/dune shores and cliffs. It presents the authors’ field observations of 2010-2013, as well as previously gained knowledge and the results of Polish, Russian and joint Polish-Russian field surveys.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2014, 61, 1-2; 17-37
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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