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Datasets of project "Archive of Ocean Data"

Mostrando recursos 1 - 20 de 7.339

  1. Geochemical parameters and element contents in a peat section of the Kyzyltun (Bokarevskii) ryam bog

    Larina, N S; Larin, S I; Moiseenko, Tatyana I
    The paper reports geochemical parameters of units in a peat bed from a raised bog in the southern Tyumen territory. Based on radiocarbon dates and variability of geochemical data the following four evolutionary stages of the bed in Holocene are distinguished: an ancient lake (5600-5750 years B.P.), lowland-bog peat (4550-5600 years B.P.), transitional-type peat (4200-4550 years B.P.), raised-bog peat. The major-component technique was applied to analyze relations between various parameters of the bed and evaluate variations in conditions, under which the bog evolved with time, including climatic conditions (in relative units). An anthropogenic signal of accumulation of certain metals in...

  2. (Table 2) Major geochemical parameters in layers of the vertical pit section in the Kyzyltun (Bokarevskii) ryam bog

    Larina, N S; Larin, S I; Moiseenko, Tatyana I

  3. (Table 1b) Accumulation rate of the peat bed in the Kyzyltun (Bokarevskii) ryam bog

    Larina, N S; Larin, S I; Moiseenko, Tatyana I

  4. (Table 1a) Radiocarbon dates of peat in the Kyzyltun (Bokarevskii) ryam bog

    Larina, N S; Larin, S I; Moiseenko, Tatyana I

  5. (Fig. 5) Concentrations of some minor elements in peat ash with peat age in the Kyzyltun (Bokarevskii) ryam bog

    Larina, N S; Larin, S I; Moiseenko, Tatyana I

  6. (Fig. 4) Concentrations P2O5, K, and Fe in peat ash with peat age in the Kyzyltun (Bokarevskii) ryam bog

    Larina, N S; Larin, S I; Moiseenko, Tatyana I

  7. (Fig. 3) Ash content, pH, and electric conductivity with peat age in the Kyzyltun (Bokarevskii) ryam bog

    Larina, N S; Larin, S I; Moiseenko, Tatyana I

  8. (Table 1) Concentrations of minor elements in crude oils and bottom sediments of the Baikal Lake

    Yasnygina, T A; Malykh, Y u M; Rasskazov, S V; Primina, S P; Zemskaya, T I; Khlystov, O M

  9. (Table 1) Types of White Sea surface layer bottom sediments and concentration of heavy minerals in 0.1-0.05 mm grain size fraction

    Gusakova, A I
    Mineral composition of recent bottom sediments was studied in the White Sea. A single terrigenous-mineralogical province is defined; it is characterized by a mineral association of amphibole, epidote, garnet, and pyroxene. Five regions are assigned in the White Sea in accordance with mineral composition of surface bottom sediments. We argue that granite-metamorphic rock complexes of the Baltic Shield are the main source of recent bottom sediments in the White Sea, while the East European Craton (Russian Platform) plays the secondary role.

  10. Phytoplankton in the surface desalted lens of the Kara Sea

    Sukhanova, Irina N; Flint, Mikhail V; Sergeeva, V M
    Phytoplankton of a surface strongly desalinated water lens was investigated on the basis of materials collected during Cruise 57 of R/V Akademik Mstislav Keldysh in September 2007. The lens with salinity <18 psu had area of ca. 19000 sq. km and was located in the northwestern part of the Kara Sea near the eastern coast of Novaya Zemlya. It was a specific biotope that had been isolated from surrounding waters for more than three months. In the investigated area 66 algae species were identified. The maximal species diversity was found in the upper layers of the desalinated lens, where species...

  11. (Table 2) Abundance, wet biomass, and carbon biomass of all major groups and total phytoplankton in the upper and lower parts of the desalinated water lens and in the layer under the lens in the Kara Sea

    Sukhanova, Irina N; Flint, Mikhail V; Sergeeva, V M

  12. (Table 1) Abundance, wet biomass, and carbon biomass of all major groups of phytoplankton in the water column of the Kara Sea

    Sukhanova, Irina N; Flint, Mikhail V; Sergeeva, V M

  13. Composition of bottom sediments from Core SO201-2-101, Shirshov Ridge, Bering Sea

    Levitan, Mikhail A; Kuzmina, Tatyana G; Luksha, V L; Roshchina, I A; Syromyatnikov, KV; Max, Lars; Nürnberg, Dirk; Riethdorf, Jan-Rainer; Tiedemann, Ralf
    Analysis of lithology, grain-size composition, clay minerals, and geochemistry of Upper Pleistocene bottom sediments from the submarine Shirshov Ridge (Bering Sea) showed that the Yukon-Tanana terrane of the Central Alaska was main source area of the sediments. Sedimentary material was transported by the Yukon River through Beringia up to the shelf break, where they were entrained by a strong north-west sea current. Lithological data revealed several pulses of ice-rafted debris deposition roughly synchronous with Heinrich events and periods of weaker bottom current intensity. Based on geochemical results we distinguished intervals of an increase in paleoproductivity and extension of the oxygen...

  14. (Table 7) Chemical composition of bottom sediments from Core SO201-2-101, Shirshov Ridge, Bering Sea

    Levitan, Mikhail A; Kuzmina, Tatyana G; Luksha, V L; Roshchina, I A; Syromyatnikov, KV; Max, Lars; Nürnberg, Dirk; Riethdorf, Jan-Rainer; Tiedemann, Ralf

  15. (Table 6) Distribution of factor loadings for relative clay mineral contents in <0.002 mm grain size fraction of bottom sediments along Core SO201-2-101, Shirshov Ridge, Bering Sea

    Levitan, Mikhail A; Kuzmina, Tatyana G; Luksha, V L; Roshchina, I A; Syromyatnikov, KV; Max, Lars; Nürnberg, Dirk; Riethdorf, Jan-Rainer; Tiedemann, Ralf

  16. (Table 3) Relative contents of clay minerals in grain size fraction <0.002 mm, clay mineral ratios and assemblages, Core SO201-2-101, Shirshov Ridge, Bering Sea

    Levitan, Mikhail A; Kuzmina, Tatyana G; Luksha, V L; Roshchina, I A; Syromyatnikov, KV; Max, Lars; Nürnberg, Dirk; Riethdorf, Jan-Rainer; Tiedemann, Ralf

  17. (Table 2) Grain size composition of bottom sediments from Core SO201-2-101, Shirshov Ridge, Bering Sea

    Levitan, Mikhail A; Kuzmina, Tatyana G; Luksha, V L; Roshchina, I A; Syromyatnikov, KV; Max, Lars; Nürnberg, Dirk; Riethdorf, Jan-Rainer; Tiedemann, Ralf

  18. (Table 1) The age model of the sediment core SO201-2-101, Shirshov Ridge, Bering Sea

    Levitan, Mikhail A; Kuzmina, Tatyana G; Luksha, V L; Roshchina, I A; Syromyatnikov, KV; Max, Lars; Nürnberg, Dirk; Riethdorf, Jan-Rainer; Tiedemann, Ralf

  19. Phytoplankton fluxes and biomass in the White Sea in 2007 and 2008

    Il'yash, L V; Radchenko, I G; Novigatsky, Alexander N; Lisitzin, Alexander P; Shevchenko, Vladimir P
    Vertical fluxes of phytoplankton (VF_phyto) and particulate organic carbon (VF_POC) in the White Sea were determined using seven long-term (292 to 296 days) sediment traps moored at five stations at depths 67 to 255 m. Annual VF_phyto and VF_POC ranged from 0.55 to 24.64 g C/m**2 and from 3.7 to 93.9 g C/m**2, respectively. The highest VF_phyto was observed in the Basin region located close to the Gorlo along the Tersk coast. Algal biomass accounted for 15-43% of VF_pOC. Diatoms comprised the most important group accounting for 83-100% in sinking biomass. Thalassiosira nordenskioeldii dominated in VF_phyto at all trap stations...

  20. (Table 3) Total biomass of phytoplankton, biomass of diatoms in plankton, and contribution of the most abundant species to the total biomass of phytoplankton at trap stations in the White Sea in August-September 2007 and in June 2008

    Il'yash, L V; Radchenko, I G; Novigatsky, Alexander N; Lisitzin, Alexander P; Shevchenko, Vladimir P

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