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Tytuł:
Zapis glacilimnicznej sedymentacji w basenie Niecki Skaliskiej - północna część Pojezierza Mazurskiego
Glacilimnical sedimentation in the Skalisko Basin - northern parth of Mazurian Lakeland
Autorzy:
Pochocka-Szwarc, K.
Powiązania:
https://bibliotekanauki.pl/articles/2074732.pdf
Data publikacji:
2010
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
złoża jeziorno glacjalne
późny glacjał
deglacjacja
zlodowacenie Wisły
Pojezierze Mazurskie
deglaciation
glaciolacustrime deposits
Late Glacial
Vistulian glaciation
Mazurian Lakeland
Opis:
The investigation area is situated in the north part of Mazurian Lakeland in NE from Węgorzewo in the borderland between Poland and Russia. It was covered with the ice sheet during the upper stage of the Vistulian Glaciation. During the recession of the maximum range of the ice-sheet (Pomeranian Phases) the 6 ice-sheet retreated were left. Skaliska Basin this is end depression, between two end moraine zones. The glaciolacustrine and lacustrine sediments was recorded late glacial and postglacial history. The results of the multidisciplinary investigations including cartographical, sedymentological methods indicate that in the ice-dammed lake in Skaliska Basin was existed in front of the ice. The outflow from Skaliska ice-dammed was connected with the ice sheet retreat (behind the Pregoła Valley) and development of the new erosion base level (like Pregoła Valley).
Źródło:
Przegląd Geologiczny; 2010, 58, 10; 1014-1022
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zagadka zaniku jeziora skaliskiego w Krainie Wielkich Jezior Mazurskich
Mystery of the ancient Skaliska Lake in the Mazury Lakeland (NE Poland)
Autorzy:
Pochocka-Szwarc, K.
Powiązania:
https://bibliotekanauki.pl/articles/2074373.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
deglacjacja
kopalne jezioro skaliskie
numeryczny model terenu
zanik jeziora
plejstocen
deglaciation
glaciolacustrime basin
catastrophic flow
digital terrain model (DTM)
Mazurian Lakeland
Late Glacial
Pleistocene
Opis:
In the northern part of the Great Mazurian Lakes there is a post-lacustrine plain extending over 90 km 2 . This depression, called Skaliska Basin (Kondracki, 1998), is situated NE of Węgorzewo, overlapping the state boundary between Poland and Russian Kaliningrd Region (thus the northernmost part of the structure was not accessible for study). A glaciolacustrine lake existed there during Late Pleistocene (Pochocka-Szwarc & Lisicki 2001a, 2003). Defining the exact extent and direction of outflow from the Skaliska Lake are most important aims for palaeogeographic investigation of the area. For paleogeomorphological analyses of the Skaliska Basin, the following methods were used: Digital Terrain Model (1 : 200,000 scale), Landsat TM satellite images, archival cartographic materials, and results of geological investigations accompanying compilation of sheets Budry (Pochocka-Szwarc, Lisicki 2001a) and Banie Mazurskie (Pochocka-Szwarc 2003) of the Detailed Geological Map of Poland (1 : 50,000). The study allowed to recognize the lateral extension of the paleolake, and reconstruct the sequence of events that led to catastrophic out flow towards the NW.
Źródło:
Przegląd Geologiczny; 2005, 53, 10/1; 873-878
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vistulian periglacial and glacial environments in central Poland : an overview
Autorzy:
Dzieduszyńska, Danuta
Petera-Zganiacz, Joanna
Roman, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2058551.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
sedimentary record
cold-related conditions
last glacial event
MIS 5d-a-MIS 2
Late Pleistocene
Central European Lowland
Opis:
Vistulian climatic changes are recorded in various sedimentary environments of central Poland, both in the extraglacial zone of the last glaciation and also in the area occupied by the last Scandinavian Ice Sheet, being reflected by palaeobotanical, palaeozoological, sedimentological and geochronological data. The most pronounced morphogenetic processes are linked to a glacial succession in the northern part of the study area, referred to the Upper Plenivistulian. For most of the study area, located in the extraglacial zone, the climatic changes are reconstructed from lake-bog, fluvial, slope and aeolian sedimentary successions. In central Poland, no site has been documented so far where there would be a continuous biogenic record through the whole Vistulian. Environmental changes recorded through the Vistulian include temperature, vegetation and the dynamics of morphogenetic processes, and sedimentary environments most useful for assessing changes occurring at that time may be indicated. The Early Vistulian is best recognized within biogenic deposits, as in the older part of Plenivistulian. The conditions in the earlier part of the Plenivistulian are best reported from fluvial and slope deposits with evidence of permafrost and of glacial conditions, though only in the northern part of the study area. Changing conditions of the Late Vistulian are expressed via well-documented morphogenetic processes occurring in all (except glacial) sedimentary environments, lake-bog and aeolian environments providing the most complete information about the nature of this period. Most of the Vistulian deposits reflect cold periods. There is a distinctive increase in periglacial impacts throughout the Plenivistulian with the apogee during the Upper Plenivistulian and interstadial warmings did not influence this trend. Each sedimentary environment provides significant data about the climate evolution, and processes playing a leading role vary according to the Vistulian stratigraphic unit. The consolidation of findings from regional research has provided new directions for further interdisciplinary studies.
Źródło:
Geological Quarterly; 2020, 64, 1; 54--73
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vegetation responses to climatic changes during the late glacial according to palaeobotanical data in western Lithuania : a preliminary results
Autorzy:
Kisieliene, D.
Stancikaite, M.
Merkevicius, A.
Namickiene, R.
Powiązania:
https://bibliotekanauki.pl/articles/1186082.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
environmental changes
pollen and plant macroremains
Late Glacial
western Lithuania
Opis:
The organic-rich material has been studied from the bottom part of lacustrine sediments of the Lake Kasuciai, western Lithuania. Radiocarbon dates and palaeobotanical data showed that these sediments accumulated between 13,500 and 9000 14C yr BP. The Late Glacial interstadial is defined by the dominance of Characeae and accumulation of carbonate. The Bolling is characterized by the pioneer taxa and the communities of open habitats. During the Allerod pine replaced the light demanding taxa that show development of a closer woodland habitat and dryness of climate. The short period between Bolling and Allerod with increasing representation of Betula and plants typical for the highly eroded habitats could be correlated with Older Dryas. The onset of the Younger Dryas is marked by degradation of the forest cover and expansion of heliophytic grasses. Entire vegetation cover with birch and pine forest was settled during the Preborial. Formation of calcareous sediments and appearance of thermophilous taxa confirm the climatic amelioration.
Źródło:
Polish Geological Institute Special Papers; 2005, 16; 45--52
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Timing of the final disappearance of permafrost in the central European Lowland, as reconstructed from the evolution of lakes in N Poland
Autorzy:
Błaszkiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/2058749.pdf
Data publikacji:
2011
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Late Glacial
permafrost disappearance
buried ice
lake basins
Opis:
Accumulation of sediments in the lake basins of the Starogard Lakeland, Northern Poland, an area which was entirely ice-covered during the last glaciation, started at different times, beginning during the Late Glacial. Sedimentation continued till the beginning of the Holocene (Preboreal). The principal factor causing the asynchronous start of the lake development was the variation in melting processes of buried dead-ice blocks. The preservation of dead-ice masses in some depressions until the Preboreal leads to the conclusion that the ultimate disappearance of permafrost in the study area occurred only at the beginning of the Holocene.
Źródło:
Geological Quarterly; 2011, 55, 4; 361-374
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Weddell Sea Formation: post-Late Pliocene terrestrial glacial deposits on Seymour Island, Antarctic Peninsula
Autorzy:
Gaździcki, Andrzej
Tatur, Andrzej
Hara, Urszula
del Valle, Rodolfo A.
Powiązania:
https://bibliotekanauki.pl/articles/2052050.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
Seymour (Marambio) Island
post-Late Pliocene glacial strata (Weddell Sea Formation)
Bryozoa
Źródło:
Polish Polar Research; 2004, 25, 3-4; 189-204
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The evolution of the southern Baltic coastal zone
Autorzy:
Mojski, J.E.
Powiązania:
https://bibliotekanauki.pl/articles/47713.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
coastal zone
Holocene
post-glacial topography
forecast
Baltic Sea
evolution
Late Glacial
water level
Opis:
This article discusses the formation and evolution of the coastal zone of the southern Baltic from the decay of the last Scandinavian ice-sheet, which took place some 14 ka BP. During the first 4 ka, the shores of the then southern Baltic basins were shaped under the dominant influence of considerable variations in water level and the young, post-glacial topography emerging from under the ice. Later, until the beginning of the Atlantic transgression, the shores were also unstable, because sea level changes resulting from periodic connections with the World Ocean followed one another in rapid succession. Since that transgression destroyed much of the former shoreline, its reconstruction is at best highly problematical, and in some places no longer possible. The maximum range of the Litorina Sea gave rise to a coastal zone that in many places is to this day quite conspicuous in the local topography and sediments. During the last 4 ka, the shoreline has changed relatively little, thus the present shoreline is largely redolent of the original one. In the coming 100 years or so, the abrasion of the cliffs along the southern Baltic shore will probably accelerate, as will the retrogradation of certain sections of the shoreline, with the result that the shoreline will be less of a straight line than it is at present. Land up to a height of 1 m above sea level will be inundated. The greatest changes in the lie of the shoreline are to be expected in the River Wisła (Vistula) delta and around the Zalew Szczeciński (Oderhaff, Szczecin Lagoon).
Źródło:
Oceanologia; 2000, 42, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Terrestrial deposits from the Słupsk bank as an evidence of the late glacial and early holocene Baltic sea level
Autorzy:
Uścinowicz, Szymon
Zachowicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/1186071.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
torfy i osady jeziorne
spektrum pyłkowe
daty 14C
późny glacjał
wczesny holocen
Ławica Słupska
Bałtyk
peat and limnic deposits
pollen spectrum
14C dates
Late Glacial
Early Holocene
Słupsk Bank
Baltic Sea
Opis:
Badania sejsmoakustyczne oraz analizy osadów (litologiczne, palinologiczne, malakologiczne), a zwłaszcza datowania radiowęglowe torfów, pozwoliły na szczegółową charakterystykę stanowiska późnoglacjalnych i wczesnoholoceńskich torfów i osadów jeziornych we wschodniej części Ławicy Słupskiej. Wykazano, że od deglacjacji do początków transgresji litorynowej, około 8000-7500 lat BP, Ławica Słupska była lądem, a maksymalny poziom wód w zbiornikach bałtyckiego jeziora lodowego i jeziora ancylusowego nie był wyższy niż 24-25 m poniżej współczesnego poziomu morza.
Źródło:
Polish Geological Institute Special Papers; 2005, 16; 133--141
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Streamlined topographical features in and around the Gulf of Riga as evidence of Late Weichselian glacial dynamics
Autorzy:
Tsyrulnikov, A.
Tuuling, I.
Hang, T.
Powiązania:
https://bibliotekanauki.pl/articles/2060206.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Gulf of Riga
Baltic Sea
Late Weichselian glaciation
Riga ice stream
glacial topography
bottom relief
Opis:
Based on various cartographic sources, a digital terrain model and acoustic profiling data, linear relief features of glacial origin have been distin guished and analysed in the Gulf of Riga and adjacent mainland areas in order to reconstruct the dynamics and pathways of former ice streams. North-east–south-west oriented features in the till topography prevail in the central part of the gulf and along the southern coast of the island of Saaremaa, which corroborate the previously known south/south-east di rection of the main Riga ice stream. North-east to south-west directed features dominate in the Pärnu Bay and around the Irbe Strait. Similar deviations from the Riga ice stream are most likely due to ice divide zones, namely the Sakala Upland in Southern Estonia and Kurzeme in north western Latvia, which locally changed the course of the main ice flow. The influence of the Kurzeme ice divide is traceable at the bottom of the gulf up to the southern coast of Saaremaa. There is no evidence of an ice-marginal zone cross ing the central part of the Gulf of Riga as was supposed earlier. The Pandivere-Neva and Palivere ice-marginal zones, which merge on the Sorve Peninsula, probably continue offshore into the Irbe Strait. As the age of the glacier relieffeatures is poorly contained, the chronologi reconstruction of the ice dynamics is tentative.
Źródło:
Geological Quarterly; 2008, 52, 1; 81-81
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation of the shorelines of glacial Lake Peipsi in Eastern Estonia during the Late Weichselian
Autorzy:
Rosentau, A.
Hang, T.
Miidel, A.
Powiązania:
https://bibliotekanauki.pl/articles/2058810.pdf
Data publikacji:
2004
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Late Weichselian
glacial Lake Peipsi
proglacial environment
GIS
water level changes
glacial rebound
Opis:
Digital reconstruction of the evolution of glacial Lake Peipsi, Eastern Estonia, was based on a geographic information system (GIS) method that removed isostatically deformed palaeowater planes fromthe current digital terrain model. A reconstruction of the proglacial water levels was performed with respect to geomorphological correlation of river terraces, raised shorelines and eroded surfaces of various aqueoglacial landforms. The configuration of shorelines, main outlets and water depths of glacial Lake Peipsi, corresponding to the Otepää, Piirissaar, Kaiu and Pandivere–Neva stades during the deglaciation of the Lake Peipsi depression, was simulated. The two approaches used, reflecting the geomorphological correlation of Raukas and Rähni (1969) and Hang (2001), are discussed.
Źródło:
Geological Quarterly; 2004, 48, 4; 299--307
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rapid sea level changes in the Southern Baltic during late glacial and Early Holocene
Autorzy:
Uścinowicz, Sz.
Powiązania:
https://bibliotekanauki.pl/articles/1187354.pdf
Data publikacji:
2004
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
sea level changes
shoreline migrations
seismostratigraphy
erosional surfaces
progradational structures
Late Glacial
Early Holocene
southern Baltic Sea
Opis:
In the area of the southern Baltic Sea, the largest and most violent changes in water level took place in Late Glacial and Early Holocene, during the period between 13.0-8.5 ka BP. These changes depended on the varied glacio-isostatic movements between the northern and southern parts of the Baltic Sea, the glacio-eustatic increase in the ocean level and the closing or opening of the connection between the Baltic Sea basin with the ocean. During the Late Glacial and Early Holocene, the sea level changed within an amplitude as wide as 25-27 m. In some extreme cases, the sea level could have fallen at a rate of about 100-300 mm/a, the sea level rise rate reaching up to about 40-45 mm/a. In Late Glacial and Early Holocene, there were three transgressions: during 12.0-11.2, 11.0-10.3 (the Baltic Ice Lake) and 10.2-9.2 ka BP (the Yoldia Sea and the Ancylus Lake). There were also three regressions, setting on 11.2, 10.3 and 9.2 ka BP. During regressions, depending on the real drainage rate and the local gradient of the bottom inclination, the land possibly grew at a rate of 0.3 to 4 km per year. During transgressions, rate of shoreline migration could reach in some cases up to 150-200 m per year. These processes took place on the surface of the sea bottom currently located at the depth of c. 55 to 25 m below sea level and from 30 to 60 km away from the present-day southern coast of the Baltic Sea. Rapid changes of shoreline position are recorded in progradational barrier structures and in the erosion surfaces of the glacial till and glacio-marine clays.
Źródło:
Polish Geological Institute Special Papers; 2004, 11; 9-18
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przydatność zbioru dat radiowęglowych do rekonstrukcji zmian w środowisku schyłku vistulianu Polski Środkowej
Usefulness of a set of radiocarbon dates for the reconstruction of changes in the environment of the Vistulian decline in Central Poland
Autorzy:
Dzieduszyńska, Danuta
Powiązania:
https://bibliotekanauki.pl/articles/578404.pdf
Data publikacji:
2017
Wydawca:
Łódzkie Towarzystwo Naukowe
Tematy:
geochronometria
paleośrodowisko
późny glacjał
chronostratygrafia
region łódzki
geochronometry
palaeoenvironment
Late Glacial
chronostratigraphy
Łódź region
Opis:
W artykule zaprezentowano wykorzystanie zbioru dat radiowęglowych w celu identyfikowania tempa zmian w paleośrodowisku przyrodniczym regionu łódzkiego (Polska Środkowa). Na podstawie 175 datowań z przedziału czasu około 18–11,5 ka cal BP skonstruowana została krzywa rozkładu gęstości prawdopodobieństwa, której fluktuacje odpowiadają chronologii procesów morfogenetycznych. Wydzielono trzy zasadnicze etapy rozwoju w późnovistuliańskiej historii regionu łódzkiego i ustalono wiek ich granic. Potwierdzono początek ocieplenia postglacjalnego na około 18 ka cal BP. Zaproponowany podział chronostratygraficzny został porównany z niezależnymi danymi środowiskowymi – stratygrafią opartą na grenlandzkich rdzeniach lodowych oraz na interdyscyplinarnych badaniach osadów jeziornych. Korelacja zapisów wskazuje na przydatność zastosowanej metody jako pomocniczego narzędzia w rekonstrukcjach paleogeograficznych.
The article presents the use of a set of radiocarbon dates for the identification of the pace of changes in the natural palaeoenvironment of the Łódź region (Central Poland). Based on 175 dates covering a time interval between 18–11.5 ka cal BP, the probability density function was constructed, the fluctuations of which correspond to the chronology of morphogenetic processes. Three stages in the Late Vistulian history of the Łódź region were distinguished and the age of their boundaries was established. The onset of postglacial warming at ca. 18 ka cal BP has been confirmed. The proposed chronostratigraphic division was compared with independent environmental data – stratigraphy based on Greenland ice cores and interdisciplinary studies of lake sediments. The correlation of records indicates the usefulness of the method as a supplementary tool in palaeogeographical reconstructions.
Źródło:
Acta Geographica Lodziensia; 2017, 106; 117-127
0065-1249
Pojawia się w:
Acta Geographica Lodziensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przemiany klimatyczno-środowiskowe w późnym glacjale i holocenie na podstawie badań zespołów malakofauny i małżoraczków na obszarze południowego Bałtyku : wpływ na ówczesne biocenozy
Climate and environmental changes in the Late Glacial and Holocene in the Southern Baltic area based on investigations of malacofauna and ostracod assemblages : their influence on pre-existing biocoenoses
Autorzy:
Krzymińska, J.
Pikies, R.
Przezdziecki, P.
Powiązania:
https://bibliotekanauki.pl/articles/2075569.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
późny glacjał
holocen
obszar południowego Bałtyku
malakofauna
małżoraczki
Late Glacial
Holocene
Southern Baltic area
malacofauna
ostracods
Opis:
The climate changes and related crucial environmental changes in the Late Glacial and Holocene in the Southern Baltic area can be investigated by mollusc and ostracod analyses. It is well known that accumulation of mineral and biogenic sediments in the Southern Baltic area began in the Late Glacial. The process took place in cold tundra lakes and mires. The presence of lake basins is confirmed by seismoacoustic investigations and the resulting 3D spatial model. Lacustrine sediments contain an assemblage of molluscs and ostracod fauna represented by freshwater species indicating cold climate, such as: Armiger crista f. cristatus, Gyraulus laevis, Lymnaea peregra, Pisidium casertanum, Pisidium casertanum f. ponderosa, Pisidium milium, Pisidium nitidum, Pisidium obtusale f. lapponicum, Valvata cristata, Pisidium conventus, Candona candida, Candona neglecta, Cytherissa lacustris, Darwinula stevensoni and Cypridopsis vidua. The accumulation in freshwater reservoirs was continued during the Early Holocene. Besides cold freshwater species, sediments of that age also contain freshwater species of molluscs and ostracods that required higher temperature: Bithynia tentaculata, Physa fontinalis, Pisidium amnicum, Candona compressa and Metacypris cordata. It indicates a climate warming in the Preboreal period. These lake sediments were partly destroyed and covered by marine sands during the Middle and Upper Holocene. Good indicators of changing from a freshwater to marine environment are the following marine species found in the sediments: Hydrobia ulvae, Hydrobia ventrosa, Cerastoderma glaucum, Mytilus edulis, Macoma balthica, Cyprideis torosa and Cytheromorpha fuscata.
Źródło:
Przegląd Geologiczny; 2016, 64, 1; 49--58
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Późnoplejstoceńska i holoceńska ewolucja torfowiska Durne Bagno (Polesie Lubelskie)
Late Pleistocene and Holocene evolution of the Durne Bagno peat bog (Lublin Polesie
Autorzy:
Bałaga, K.
Dobrowolski, R.
Rodzik, J.
Powiązania:
https://bibliotekanauki.pl/articles/2074412.pdf
Data publikacji:
2006
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
torfowisko
osad biogeniczny
analiza litofacjalna
Polesie Lubelskie
Late Glacial
Holocene
peat bog
marshland
Lublin Polesie
Opis:
The Durne Bagno peat bog is the eastern, peripheral part of a large marshland complex in the Lublin Polesie. Limnic biogenic deposits occurring directly on mineral deposits are up to 8.5 m thick. They exhibit great vertical facial variability and small lateral differentiation. This indicates that the conditions of sedimentation/sedentation were similar in the whole basin in particular time intervals. The chronostratigraphically-correlated sequence of sediments allows reconstruction of the geosystem evolution in recent 13 ka BP. In its entire Late Glacial and Holocene history two basic stages may be distinguished: lacustrine (OD — middle AT) and mire (middle AT — present time)
Źródło:
Przegląd Geologiczny; 2006, 54, 1; 68-72
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Późnoglacjalny rozwój osuwisk w polskich Karpatach zewnętrznych
The Late Glacial evolution of landslides in the Polish Outer Carpathian Mountains
Autorzy:
Wójcik, Antoni
Powiązania:
https://bibliotekanauki.pl/articles/2075950.pdf
Data publikacji:
2019
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
ruchy masowe
Karpaty fliszowe
osuwisko
Polska południowa
mass movements
Flysch Carpathians
landslide
radiocarbon dating
Late Glacial
Opis:
The area of Poland, including the Carpathian Mountains, is located in a zone where landslides cause large material damage. This issue can be considered using different time scales. Using various dating methods, it was possible to distinguish periods of increased landslide activity. Among others, the radiometric methods are the most common. Based on the 14C dated landslides in Szczawnica-Biafy Stream, Zapadle near Szymbark, Rychwatd near Żywiec and on data published by Margielewski (2006), it was possible to hypothesize that landslides in the Carpathians have been developing over 13,000 years, i.e. since the Oldest Dryas. This is related to the beginning of degradation of the permafrost, which can be considered as the inception of the development of large rock landslides. On the basis of the presented data, it can also be stated that these landslides have been active up to modern times and their development is very long. An example of this is the landslide in Zapadle. The position of the landslide tongue, which is subjected to erosion, is of great importance, which promotes its further activity. Permanent removing of the colluvial material by a stream and its supplementing by subsequent new displacements from the scarp causes that the landslides can be active for a very long period of time.
Źródło:
Przegląd Geologiczny; 2019, 67, 5; 397--404
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 42

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