GEOCHEMICAL FEATURES OF ORGANIC COMPONENTS IN LAKE BAIKAL

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概要

• 論文の詳細を見る

• Hydrocarbons and fatty acids in suspended solid (>0.5μm) of surface water and surface sediment samples from Lake Baikal, Russia were analyzed preliminary to elucidate their features in relation to source materials. The predominance of short-chain n-alkanes (C_<12>-C_<19>) maximizing at n-C_<17> and n-alkanoic acids maximizing at n-C_<14> or n-C_<16> showed that organic matter in surface water is mainly derived from plankton. In contrast, bimodal distributions of short-chain and long-chain (>C_<19>) n-alkanes maximizing at n-C_<17> and n-C_<27> and n-alkanoic acids maximizing at n-C_<14> or n-C_<16> and between n-C_<22>-n-C_<28> in the sediments revealed that organic matter is originated both from autochthonous and allochthonous sources. The presence of unresolved complex mixture of hydrocarbons with matured triterpanes and steranes in some suspended solid and surface sediment samples suggests that some parts of surface water and surface sediment are contaminated by petroleum hydrocarbons.

• 日本有機地球化学会の論文
• 1994-07-25

著者

• Matsumoto Genki

  Department Of Chemistry College Of Arts And Sciences University Of Tokyo

• Matsumoto Genki

  Department Of Environmental Information Science School Of Social Information Studies Otsuma Women&ap

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