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Wyszukujesz frazę "lagoon" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The hydrography of Admiralty Bayand its inlets, coves and lagoons (King George Island, Antarctica)
Autorzy:
Rakusa-Suszczewski, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/2052683.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
South Shetland Islands
environments (fjord, cove, lagoon)
Źródło:
Polish Polar Research; 1995, 16, 1-2; 61-70
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stages of the formation of the Łeba barrier-lagoon system on the basis of the geological cross-section near Rąbka (Southern Baltic Coast, Poland)
Autorzy:
Rotnicki, Karol
Alexandrowicz, Stefan W.
Pazdur, Anna
Goslar, Tomasz
Borówka, Ryszard K.
Powiązania:
https://bibliotekanauki.pl/articles/2026416.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sand barriers
lagoons
Holocene barrier- lagoon system
Polska
southern Baltic coast
Opis:
The ar ti cle pres ents the re sults of a de tailed study of the geo log i cal struc ture of the £eba Bar rier in the R¹bka crosssec tion (South ern Bal tic, Po land). The bar rier sep a rates Lake £ebsko from the Bal tic. Five sed i men tary com plexes were dis tin guished there (M2–M6). The spa tial vari abil ity of the grain-size dis tri bu tion was ex am ined and suc ces sion stages of the mol lusc fauna oc cur ring in the in di vid ual sed i men tary com plexes were dis tin guished. Ra dio car bon dating was used to es tab lish the age of the most im por tant events dur ing the pro cess of for ma tion of the bar rier, which took place in the course of sev eral rel a tive sea-level changes. The first sed i men tary com plex (M2) at R¹bka is connected with the sec ond ingression (i2) of the Bal tic Sea (ca. 6,700–6,000 14C years BP), sea-level sta bi li za tion (6,000–5,500 14C years BP), and at last sea-level low er ing (5,500–5,000 14C years BP) in the re gion of the Gardno-£eba Coastal Plain. The sed i men tary com plex M3 de vel oped in a la goonal en vi ron ment when the bar rier was sit u ated north of its pres ent po si tion (5,000–3,000 14C BP). The next low er ing of the sea-level made the la goon shal lower and caused the emer gence of small but al ready subaerial stretches of bar rier land with a fresh wa ter fauna in the north (4,880±40 14C BP). With the next ingression stage (i3), which took place be tween 4,500 and 3,000 BP, the bar rier shifted to its pres ent-day po si tion and the la goon changed into a fresh wa ter lake. From 3,000 to 1,700 14C BP fos sil soil and peats de vel oped on the bar rier sur face as a re sult of an other sea-level low er ing. The last ingression stages (i4 and i5), youn - ger than 1,700 BP, built up the bar rier, prac ti cally in its to day’s lo ca tion (sed i men tary com plexes M4 and M5). The youn gest sed i men tary com plex (M-6) is rep re sented by pres ent-day beach sands.
Źródło:
Studia Quaternaria; 2009, 26; 3-24
1641-5558
2300-0384
Pojawia się w:
Studia Quaternaria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of climate change on microbial community structure and function in the Antarctic glacier lagoon
Autorzy:
Swiatecki, A.
Gorniak, D.
Jankowska, K.
Zdanowski, M.K.
Borsuk, P.
Zmuda-Baranowska, M.J.
Grzesiak, J.
Powiązania:
https://bibliotekanauki.pl/articles/11992.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
climate change
microbial community
community structure
community function
Antarctic
glacier lagoon
glacier recession
Opis:
One of the dramatic effects of global warming is the retreat of glaciers. This phenomenon has intensified in the last two decades. Postglacial areas are quickly colonised by various groups of organisms. Auto- and heterotrophic microorganisms play an especially vital role in these processes. They thrive in shallow glacial lagoons which often form in front of retreating glaciers. These reservoirs are characterised by high dynamics of physicochemical parameters, including: salinity, temperature and concentrations of organic compounds and nutrients. The conducted microbiological studies have revealed rich structural and functional diversity of bacteria occurring in the ecosystem of Ecology Lagoon situated on King George Island. Bacteria found on the surface of algae and stones in the shore zone of the lagoon showed particularly intense metabolic activity. A molecular analysis has indicated that unique taxonomic groups of bacteria occur in the ecosystem of Ecology Lagoon.
Źródło:
Papers on Global Change; 2010, 17
2300-8121
1730-802X
Pojawia się w:
Papers on Global Change
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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