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Nemirovskaya, Inna A; Brekhovskikh, V F (2008): Hydrocarbons in particulate matter and bottom sediments from the north Caspian Sea shelf [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.727176, Supplement to: Nemirovskaya, IA; Brekhovskikh, VF (2008): Origin of hydrocarbons in the particulate matter and bottom sediments of the northern shelf of the Caspian Sea. Oceanology, 48(1), 43-53, https://doi.org/10.1134/S0001437008010062

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Abstract:
Data are presented on content and composition of hydrocarbons (HC) (aliphatic AHC and polyaromatic PAH) in filtered particulate matter and in the surface layer of bottom sediments from the northern shelf of the Caspian Sea and related to data on their contents in the Volga River estuary. Because of transformation and precipitation of anthropogenic and natural compounds, HC composition in particulate matter and bottom sediments undergoes transformations caused by mixing of fresh and saline waters (in bottom sediments, within concentration ranges 70.4-4557.9 µg/g for AHC and 3.8-4800 ng/g for PAH). It was found that the greatest concentrating of HC proceeds in the region of the avalanche sedimentation, and their contents are independent of grain-size types of bottom sediments. Anthropogenic HC (oil and pyrogenous) do not get over the marginal filter of the Volga River and do not pass to the open part of the sea.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 45.124256 * Median Longitude: 48.201815 * South-bound Latitude: 44.075333 * West-bound Longitude: 47.454167 * North-bound Latitude: 45.828833 * East-bound Longitude: 49.542000
Event(s):
Nemir-2008-8 * Latitude: 44.689333 * Longitude: 47.778333 * Elevation: -7.5 m * Location: Caspian Sea
Nemir-2008-9 * Latitude: 44.075333 * Longitude: 47.938167 * Elevation: -3.3 m * Location: Caspian Sea
Nemir-2008-10 * Latitude: 45.089000 * Longitude: 48.610167 * Elevation: -4.8 m * Location: Caspian Sea
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Nemirovskaya, IA; Brekhovskikh, VF (2008): (Table 1) Contents and compositions of organic compounds in particulate matter from the north Caspian Sea shelf. https://doi.org/10.1594/PANGAEA.727173
  2. Nemirovskaya, IA; Brekhovskikh, VF (2008): (Table 2) Contents of organic compounds in the surface layer of bottom sediments from the north Caspian Sea shelf. https://doi.org/10.1594/PANGAEA.727174
  3. Nemirovskaya, IA; Brekhovskikh, VF (2008): (Table 3) Distribution of molecular markers in aliphatic hydrocarbon compositions of bottom sediments from the north Caspian Sea shelf. https://doi.org/10.1594/PANGAEA.727175