n-Alkanes in surficial sediments of Visakhapatnam harbour, east coast of India

n-Alkanes in surficial sediments of Visakhapatnam harbour, east coast of India

Surface sediments collected from 19 stations along Visakhapatnam harbour were analysed for organic carbon (OC), δ 13 C o c, total lipids (TL), total hydrocarbon (THC), n -alkane concentration and composition. OC, δ 13 C o c, TL and THC ranged from 0.6% to 7.6%, −29.3 to −23.8‰, 300 to 14,948  g g  −...

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Veröffentlicht in:Journal of Earth System Science 2013-04, Vol.122 (2), p.467-477
Hauptverfasser: PUNYU, V R, HARJI, R R, BHOSLE, N B, SAWANT, S S, VENKAT, K
Format: Artikel
Sprache:eng
Schlagworte:
Alkanes
Alumina
Carbon
Carbon cycle
Chromatography
Coasts
Earth and Environmental Science
Earth Sciences
Harbors
Harbours
Hopanes
Hydrocarbons
Lipids
Marine
Microorganisms
Organic carbon
Organic matter
Phytoplankton
Sediment
Sediments
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
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Zusammenfassung:Surface sediments collected from 19 stations along Visakhapatnam harbour were analysed for organic carbon (OC), δ 13 C o c, total lipids (TL), total hydrocarbon (THC), n -alkane concentration and composition. OC, δ 13 C o c, TL and THC ranged from 0.6% to 7.6%, −29.3 to −23.8‰, 300 to 14,948  g g  − 1  dw, and 0.2 to 2,277  g g  − 1  dw, respectively. Predominance of even carbon numbers n -alkanes C 12 –C 21 with carbon preference index (CPI) of
ISSN:0253-4126
0973-774X
DOI:10.1007/s12040-013-0268-0