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Wyszukujesz frazę "laminated lake sediments" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The Mesolithic settlement and economy in the Lake Gościąż area
Autorzy:
Pelisiak, Andrzej
Rybicka, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2085851.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Rzeszowski. Instytut Archeologii Uniwersytetu Rzeszowskiego. Muzeum Okręgowe w Rzeszowie
Tematy:
annually laminated lake sediments
palynology
Mesolithic
Gościąż lake
environmental changes
Opis:
Lake Gościąż is located in a Gostinińskie Lake District (Central Poland). It contains long and good preserved continuous sequence of the annually laminated lake sediments spanning from the end of the last glaciation to contemporary times. They offer unique opportunities for investigating changes in the environment and human activity in the vicinity of the lakes. This paper is focused on correlation of palynological indicators of activity of the Mesolithic people with the picture of settlement in the region. Another problem discussed there question of reliability of palynological data, and therefore their usefulness for studies on settlement and economy
Źródło:
Analecta Archaeologica Ressoviensia; 2020, 15; 45-52
2084-4409
Pojawia się w:
Analecta Archaeologica Ressoviensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary report on unique laminated holocene sediments from the Garun Lake in Egypt
Autorzy:
Marks, Leszek
Salem, Alaa
Welc, Fabian
Nitychoruk, Jerzy
Chen, Zhongyuan
Zalat, Abdelfattah
Majecka, Aleksandra
Chodyka, Marta
Szymanek, Marcin
Tołoczko-Pasek, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2027070.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Holocene
laminated sediments
Qarun Lake
Faiyum Oasis
Egypt
Opis:
The Lake Qarun (Faiyum Oasis, northern Egypt) is a relic of the much larger Holocene lake. Past lake levels and extensions were reconstructed, based on setting of archaeological sites scattered along northern paleoshores of the ancient lake. However, geoarcheological works did not yield enough data to establish continuous environmental history of the lake. A deep drilling FA-1 on the southeastern shore of the lake, performed in 2014, supplied with a core, 26 m long that is the one of the longest lake sediment cores in northeastern Africa. The basal section of the core consisted of thin-laminated diatom marly deposits, underlain at the Late Pleistocene/Holocene boundary by coarse-grained sands. The sediment lamine were quite well developed, especially in the lower part of the core. Preliminary results indicated annually deposited sediment sequence with seasonality signals provided by microlamine of diatoms, calcite, organic matter and clastic material. Early Holocene varved sediments from the Faiyum Oasis supplied with exceptional paleoenvironmental data for northeastern Africa, which enriched a record from previous logs drilled at the southwestern margin of the Qarun Lake.
Źródło:
Studia Quaternaria; 2016, 33; 35-46
1641-5558
2300-0384
Pojawia się w:
Studia Quaternaria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nowe stanowiska laminowanych osadów jeziornych na Pojezierzu Kaszubskim
New sites of laminated lake sediments in Kashubian Lakeland
Autorzy:
Tylmann, W.
Zawadzka, M.
Powiązania:
https://bibliotekanauki.pl/articles/2074616.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
stanowiska laminowanych osadów jeziornych
roczna laminacja
Pojezierze Kaszubskie
laminated lake sediments
annual lamination
Kashubian Lakeland
Opis:
Annually laminated lake sediments are a very valuable source of paleoecological information because they provide a precise timescale in calendar years and limited post-depositional disturbances. They are formed in specific conditions that enable not only the formation but also preservation of lamination, hence they rarely occur. The goal was to find lakes with annually laminated sediments in Kashubian Lakeland which can provide new high-resolution paleoenvironmental and paleoclimatic data for this part of Europe. Based on statistical analyses including catchment geology and topography, morphometric lake basin features and hydrological parameters, a pre-selection of 22 lakes with water depths ranging from 15 to 35 m was carried out. Gravity cores (30–90 cm long) were obtained from 18 of these lakes during a field survey in 2006. The cores were split lengthwise, photographed digitally and examined carefully. Four of the lakes studied show distinct alternations of pale and dark laminae. For three lakes (Kramsko Duże, Kramsko Małe and BorowoWielkie) such laminations were restricted to sections of the cores only. Lake Suminko was deemed the most promising site with its laminations covering the entire taken core. In all the cases, biochemical varves were developed with pale spring/summer layers composed of autochthonous carbonates and dark fall/winter layers made of organic detritus and minerogenic particles.
Źródło:
Przegląd Geologiczny; 2008, 56, 5; 404-408
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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