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Deep ocean nutrients during the Last Glacial Maximum deduced from sponge silicon isotopic compositions

Abstract:

The relative importance of biological and physical processes within the Southern Ocean for the storage of carbon and atmospheric pCO 2 on glacial-interglacial timescales remains uncertain. Understanding the impact of surface biological production on carbon export in the past relies on the reconstruction of the nutrient supply from upwelling deep waters. In particular, the upwelling of silicic acid (Si(OH) 4) is tightly coupled to carbon export i...

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Publication status:
Published

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Publisher copy:
10.1016/j.epsl.2010.02.005

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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
292
Issue:
3-4
Pages:
290-300
Publication date:
2010-04-01
DOI:
ISSN:
0012-821X
URN:
uuid:bf6b0476-8285-40dd-963c-b8637b37da3a
Source identifiers:
83002
Local pid:
pubs:83002

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