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Erschienen in:
2000 | OriginalPaper | Buchkapitel
Environmental Stratigraphy
A Case Study Reconstructing Bottom Water Oxygen Conditions in Frierfjord, Norway, over the Past Five Centuries
verfasst von : Elisabeth Alve
Erschienen in: Environmental Micropaleontology
Verlag: Springer US
Enthalten in: Professional Book Archive
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Many silled fjords have a natural potential for developing dysoxic and even anoxic bottom water conditions. This often occurs in microtidal silled fjords with an estuarine circulation pattern, where surface or transitional lowdensity water extends down to sill depth and thereby inhibits frequent renewals of the denser deep basin water. The oxygen regimes in such fjords are very sensitive to increased fluxes of organic carbon whether due to natural or anthropogenic causes.