초록

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Abstract ▼ AI-Helper

Dissolved aliphatic hydrocarbon concentrations in the surface seawater were investigated to describe their distribution and elucidate their sources in the Cheju-Korea Straits region (33$^{\circ}$30‘-34$^{\circ}$N 125$^{\circ}$-128$^{\circ}$E). Seawater sam...

Dissolved aliphatic hydrocarbon concentrations in the surface seawater were investigated to describe their distribution and elucidate their sources in the Cheju-Korea Straits region (33$^{\circ}$30‘-34$^{\circ}$N 125$^{\circ}$-128$^{\circ}$E). Seawater sampling was made in spring and autumn in 1998. A large temporal and spatial variability were observed in the dissolved hydrocarbon concentrations in the region. The sources of dissolved hydrocarbons in seawater were elucidated based on the molecular concentrations of n-alkanes and pristane. Dissolved hydrocarbons in the surface water appears to be largely originated from phytoplankton and petroleum in the southern Yellow Sea (125$^{\circ}$), and terrigenous and petrogenic in the Cheju-Korea Straits region in April 1998. In September 1998, dissolved hydrocarbons in the surface waters were largely derived from phytoplanktons and terrestrial material in the Cheju-Korea Soaits region.