Nemirovskaya, Inna A (2010): Concentrations of organic compounds in suspended matter from surface waters and surface layer bottom sediments of the Obskay Guba (Ob River estuary) and the Kara Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.767621, Supplement to: Nemirovskaya, IA (2010): The concentration and composition of hydrocarbons in water, particulate matter, and bottom sediments of the Kara Sea. Translated from Okeanologiya, 2010, 50(5), 758-770, Oceanology, 50(5), 716-728, https://doi.org/10.1134/S0001437010050097
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Data are presented on concentrations of aliphatic and polycyclic aromatic hydrocarbons (AHC and PAH) in interstitial waters and bottom sediments of the Kara Sea compared to distribution of particulate matter and organic carbon. It was found that AHC concentrations within the water mass (aver. 16 µg/l) are mainly formed by natural processes. Distribution of AHC represents variability of hydrological and sedimentation processes in different regions of the sea. The widest ranges of the concentrations occurred in the Obskaya Guba - Kara Sea section: in water (10-310 µg/l for AHC and 0.4-7.2 ng/l for PAH) and in the surface layer of the bottom sediments (8-42 µg/l for AHC and 9-94 ng/g for PAH). Differentiation of hydrocarbons (HC) in different media follows regularities typical for marginal filters; therefore no oil and pyrogenic compounds are supplied to the open sea. In sediments contents of HC depend on variations in redox conditions in sediments and on their composition.
Median Latitude: 73.501658 * Median Longitude: 70.415245 * South-bound Latitude: 71.200000 * West-bound Longitude: 61.000000 * North-bound Latitude: 76.925000 * East-bound Longitude: 73.822000
Date/Time Start: 2007-09-09T17:00:00 * Date/Time End: 2007-09-30T15:55:00
AMK54-4946 * Latitude: 72.000000 * Longitude: 61.000000 * Date/Time: 2007-09-09T17:00:00 * Elevation: -153.0 m * Location: Kara Sea * Campaign: AMK54 * Basis: Akademik Mstislav Keldysh * Device: Multiple investigations (MULT)
AMK54-4948 * Latitude: 71.832000 * Longitude: 62.020000 * Date/Time: 2007-09-10T00:21:00 * Elevation: -140.0 m * Location: Kara Sea * Campaign: AMK54 * Basis: Akademik Mstislav Keldysh * Device: Multiple investigations (MULT)
Datasets listed in this Collection
- Nemirovskaya, IA (2010): (Table 1) Concentrations of organic compounds in suspended matter from surface waters of the Obskaya Guba - Kara Sea section. https://doi.org/10.1594/PANGAEA.767618
- Nemirovskaya, IA (2010): (Table 3) Concentrations of organic compounds in surface layer bottom sediments of the Obskay Guba and the Kara Sea. https://doi.org/10.1594/PANGAEA.767619