Abstract

Contents of Corg, as well as humine (HA) and fulvic (FA) acids, have been investigated within soil, riverine and marine sediments along the profile, joining the Razdolnaya River and the Amur Bay. The elevated contents of the Corg. have been elucidated within soil deposits against to riverine and marine sediments, and it is associated with peatlands. There has been noted, that the increase of HA contents against FA ones has been taken place just within those sediments, that has been corresponded the initial period of the water mixing, and it has been connected with flocculation. There have been established the riverine sediments with extended contents of FA, Fe, Mn, and it has testified about the active processes of flocculation and Fe-Mn oxihydroxides forming. It has been noted, that the soil sediments have contained more humiphicated organic matter than marine ones. To a great extent, marine sediments have contained not biogeochemically processed organic matter.

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