Abstract:Bottom hypoxia and consequential hydrogen sulfide (H 2 S) release from sediment in eutrophic estuaries is a major global environmental issue. We investigated dissolved oxygen, pH and H 2 S concentration profiles with microsensors and by sectioning sediment 2 cores followed by colorimetric analysis. The results of these analyses were then compared with the physicochemical properties of the bottom water and sediment samples to determine their relationships with H 2 S production in sediment. High organic matter a… Show more
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