Biological and climatic consequences of a cold, stratified, high latitude ocean

Biological and climatic consequences of a cold, stratified, high latitude ocean

The flux from deep- and shallow-living radiolarian assemblages provides evidence of a glacial, high latitude, cold ocean stratification that increased biological pump efficiency and promoted ocean carbon sequestration. Greater deep (>200 m) than shallow-living (45° N) sediments with the deep-livi...

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Veröffentlicht in:Quaternary science reviews 2013-12, Vol.82, p.78-92
Hauptverfasser: Hays, James D., Martinson, Douglas G., Morley, Joseph J.
Format: Artikel
Sprache:eng
Schlagworte:
Biological pump
Deep sea cores
Flux
Glacial ocean
Holocene
Marine
North Pacific
Ocean carbon sequestration
Pleistocene
Radiolaria
Sea of Okhotsk
Stratification
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Zusammenfassung:The flux from deep- and shallow-living radiolarian assemblages provides evidence of a glacial, high latitude, cold ocean stratification that increased biological pump efficiency and promoted ocean carbon sequestration. Greater deep (>200 m) than shallow-living (45° N) sediments with the deep-living Cycladophora davisiana dominant (>24%). By contrast modern radiolarian flux consists primarily of shallow-living species (C. davisiana
ISSN:0277-3791
1873-457X
DOI:10.1016/j.quascirev.2013.09.022