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Helium isotopes in the Baikal rift underground fluids and its framing (to geodynamics of continental rift genesis).

Polyak, Boris G (PANGAEA, 2000-09-02)

Results of studying isotopic composition of helium in underground fluids of the Baikal-Mongolian region during the last quarter of XX century are summarized. Determinations of 3He/4He ratio in 139 samples of gas phase from ...

Particle fluxes in the Kara Sea and Ob and Yenisey estuaries.

Lisitzin, Alexander P; Shevchenko, Vladimir P; Vinogradov, Mikhail E; Severina, Olga V; Vavilova, Valentina V; Mitskevich, Irina N (PANGAEA, 1995-09-03)

Sedimentary particle fluxes in the Kara Sea and in the Ob and Yenisey estuaries were first estimated and particulate matter composition was studied in September 1993 during Cruise 49 of R/V Dmitry Mendeleev. Twenty three ...

Evidence for Holocene centennial variability in sea ice cover based on IP25 biomarker reconstruction in the southern Kara Sea (Arctic Ocean).

Hörner, Tanja; Stein, Ruediger; Fahl, Kirsten (PANGAEA, 2017-02-02)

The Holocene is characterized by the late Holocene cooling trend as well as by internal short-term centennial fluctuations. As Arctic sea ice acts as a significant component (amplifier) within the climate system, investigating ...

Occurrence and abundance of 6-methyl branched glycerol dialkyl glycerol tetraethers in soils: Implications for palaeoclimate reconstruction.

De Jonge, Cindy; Stadnitskaia, Alina; Fedotov, Andrey; Sinninghe Damsté, Jaap S (PANGAEA, 2015-07-18)

Branched glycerol dialkyl glycerol tetraethers and crenarchaeol record post-glacial sea level rise and shift in source of terrigenous brGDGTs in the Kara Sea (Arctic Ocean).

De Jonge, Cindy; Stadnitskaia, Alina; Cherkashov, Georgy A; Sinninghe Damsté, Jaap S (PANGAEA, 2016-07-12)

Fish conservation in the land of steppe and sky: Evolutionarily significant units of threatened salmonid species in Mongolia mirror major river basins.

Kaus, Andrew; Michalski, Stefan; Hänfling, Bernd; Karthe, Daniel; Borchardt, Dietrich; Durka, Walter (PANGAEA, 2019-04-02)

Abstract Mongolia's salmonids are suffering extensive population declines; thus, more comprehensive fisheries management and conservation strategies are required. To assist with their development, a better understanding ...

Hydrocarbons in water and bottom sediments of a region with continuous petroleum contamination.

Nemirovskaya, Inna A (PANGAEA, 2007-10-05)

New K-Ar ages for basalts from Franz Josef Land.

Grachev, A F; Arakelyantz, M M; Lebedev, V A; Musatov, Evgeny E; Stolbov, N M (PANGAEA, 2001-09-14)

The biological pump in the northwestern North Pacific based on fluxes and major components of particulate matter obtained by sediment-trap experiments (1997-2000).

Honda, Makio C (PANGAEA, 2003-03-21)

Interannual variability in particle flux in the southwestern Black Sea.

Hay, Bernward J (PANGAEA, 2003-03-21)

Pollen profile TORBENOV, Novienky peat bog, Russia (new version).

López-Sáez, José Antonio (PANGAEA, 2010-06-08)

Mineral composition of 0.1-0.05 mm grain size fraction from Kara Sea sediments.

Kulikov, Nikolaj N (PANGAEA, 2004-06-15)

Sensitivity of planktic foraminifera to sea surface temperature and export production as derived from sediment trap data.

Zaric, Snjezana (PANGAEA, 2005-04-07)

Sea-ice distribution in the modern Arctic Ocean: Biomarker records from trans-Arctic Ocean surface sediments.

Xiao, Xiaotong; Stein, Ruediger; Fahl, Kirsten; Müller, Juliane (PANGAEA, 2015-03-25)

Records of the spatial and temporal variability of Arctic Ocean sea ice are of significance for understanding the causes of the dramatic decrease in Arctic sea-ice cover of recent years. In this context, the newly developed ...

Biomarker distributions in surface sediments from the Kara and Laptev seas (Arctic Ocean): indicators for organic-carbon sources and sea-ice coverage.

Xiao, Xiaotong; Fahl, Kirsten; Stein, Ruediger (PANGAEA, 2013-04-29)

Studies of spatial and temporal changes in modern and past sea-ice occurrence may help to understand the processes controlling the recent decrease in Arctic sea-ice cover. Here, we determined concentrations of IP25, a novel ...

Thermochronology of the Chernorud granulite zone, Ol'khon Region, western Baikal area.

Travin, A V; Yudin, D S; Vladimirov, A G; Khromykh, S V; Volkova, N I; Mekhonoshin, A S; Kolotilina, T B (PANGAEA, 2009-10-19)

Structural-petrologic and isotopic-geochronologic data on magmatic, metamorphic, and metasomatic rocks from the Chernorud zone were used to reproduce the multistage history of their exhumation to upper crustal levels. The ...

Hydrocarbons in bottom sediments of the marginal filter of the Volga River.

Nemirovskaya, Inna A; Brekhovskikh, V F (PANGAEA, 2006-10-24)

Materials from different spheres of the Earth are ultimately delivered to bottom sediments, which serve as a natural recorder of the functioning of other spheres and originate as a result of the accumulation of their ...

Components of the carbon cycle in the Russian Arctic seas: Primary production and flux of Corg from the photic layer.

Vinogradov, Mikhail E; Vedernikov, Vladimir I; Romankevich, Evgeny A; Vetrov, Alexander A (PANGAEA, 2000-08-10)

On the basis of analysis of satellite and field data collected in Russian Arctic Seas maps of distribution of primary production for different months of the vegetation period were compiled. These maps were used to estimate ...

A first southern Lomonosov Ridge (Arctic Ocean) 60 ka IP25 sea-ice record.

Stein, Ruediger; Fahl, Kirsten (PANGAEA, 2012-11-29)

Here, we present a first (low-resolution) biomarker sea-ice proxy record from the High Arctic (southern Lomonosov Ridge), going back in time to about 60 ka (MIS 3 to MIS 1). Variable concentrations of the sea-ice diatom ...

Isotopic-geochemical peculiarities of gases in mud volcanoes of Eastern Georgia.

Lavrushin, VYu; Polyak, Boris G; Pokrovskii, B G; Kopp, M L; Buachidze, G I; Kamensky, I L (PANGAEA, 2009-07-11)

Isotopic-geochemical study revealed presence of mantle He (3He/4He up to 223x10**-8) in gases from mud volcanoes of Eastern Georgia. This fact confirms that the Middle Kura basin fill encloses an intrusive body previously ...

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