Can hydrocarbons in coastal sediments be related to terrestrial flux? A case study of Godavari river discharge (Bay of Bengal)
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A sediment core aged ~250 years and deposition rate of ~2.4 mm yr<sup>-1</sup> raised from the coastal region receiving inputs from the Godavari river was examined for n-alkanes The carbon preference index (CPI) of shortchain hydrocarbons (SHC) indicated intense bacterial activity The long-chain hydrocarbons (LHC) were major and their CPI (CPI<sub>LHC</sub>) indicated that the terrestrial source was more dominant compared to the insitu input CPI<sub>LHC</sub> is significantly linearly correlated and appears to be a proxy for the historical discharge of the river.
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