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Mesoscale iron enrichment experiments 1993-2005: synthesis and future directions

Mesoscale iron enrichment experiments 1993-2005: synthesis and future directions
Mesoscale iron enrichment experiments 1993-2005: synthesis and future directions
Since the mid-1980s, our understanding of nutrient limitation of oceanic primary production has radically changed. Mesoscale iron addition experiments (FeAXs) have unequivocally shown that iron supply limits production in one-third of the world ocean, where surface macronutrient concentrations are perennially high. The findings of these 12 FeAXs also reveal that iron supply exerts controls on the dynamics of plankton blooms, which in turn affect the biogeochemical cycles of carbon, nitrogen, silicon, and sulfur and ultimately influence the Earth climate system. However, extrapolation of the key results of FeAXs to regional and seasonal scales in some cases is limited because of differing modes of iron supply in FeAXs and in the modern and paleo-oceans. New research directions include quantification of the coupling of oceanic iron and carbon biogeochemistry.
0036-8075
612-617
Boyd, P.
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Jickells, T.
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Law, C.S.
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Blain, S.
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Boyle, E.A.
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Buessler, K.O.
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Coale, K.H.
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Cullen, J.J.
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de Baar, H.J.W.
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Follows, M.
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Harvey, M.C.
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Lancelot, C.
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Levasseur, M.
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Pollard, R.
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Rivkin, R.B.
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Sarmiento, J.L.
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Schoemann, V.
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Smetacek, V.
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Takeda, S.
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Tsuda, A.
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Turner, S.
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Watson, A.J.
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Boyd, P.
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Jickells, T.
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Law, C.S.
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Blain, S.
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Boyle, E.A.
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Buessler, K.O.
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Coale, K.H.
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Cullen, J.J.
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de Baar, H.J.W.
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Follows, M.
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Harvey, M.C.
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Lancelot, C.
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Levasseur, M.
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Pollard, R.
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Rivkin, R.B.
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Sarmiento, J.L.
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Schoemann, V.
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Smetacek, V.
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Takeda, S.
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Tsuda, A.
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Turner, S.
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Watson, A.J.
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Boyd, P., Jickells, T., Law, C.S., Blain, S., Boyle, E.A., Buessler, K.O., Coale, K.H., Cullen, J.J., de Baar, H.J.W., Follows, M., Harvey, M.C., Lancelot, C., Levasseur, M., Pollard, R., Rivkin, R.B., Sarmiento, J.L., Schoemann, V., Smetacek, V., Takeda, S., Tsuda, A., Turner, S. and Watson, A.J. (2007) Mesoscale iron enrichment experiments 1993-2005: synthesis and future directions. Science, 315 (5812), 612-617. (doi:10.1126/science.1131669).

Record type: Article

Abstract

Since the mid-1980s, our understanding of nutrient limitation of oceanic primary production has radically changed. Mesoscale iron addition experiments (FeAXs) have unequivocally shown that iron supply limits production in one-third of the world ocean, where surface macronutrient concentrations are perennially high. The findings of these 12 FeAXs also reveal that iron supply exerts controls on the dynamics of plankton blooms, which in turn affect the biogeochemical cycles of carbon, nitrogen, silicon, and sulfur and ultimately influence the Earth climate system. However, extrapolation of the key results of FeAXs to regional and seasonal scales in some cases is limited because of differing modes of iron supply in FeAXs and in the modern and paleo-oceans. New research directions include quantification of the coupling of oceanic iron and carbon biogeochemistry.

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Published date: 2 February 2007

Identifiers

Local EPrints ID: 43980
URI: https://eprints.soton.ac.uk/id/eprint/43980
ISSN: 0036-8075
PURE UUID: a9849008-506a-4d66-ad78-a00673f4ba04

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Date deposited: 05 Feb 2007
Last modified: 13 Mar 2019 21:08

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Contributors

Author: P. Boyd
Author: T. Jickells
Author: C.S. Law
Author: S. Blain
Author: E.A. Boyle
Author: K.O. Buessler
Author: K.H. Coale
Author: J.J. Cullen
Author: H.J.W. de Baar
Author: M. Follows
Author: M.C. Harvey
Author: C. Lancelot
Author: M. Levasseur
Author: R. Pollard
Author: R.B. Rivkin
Author: J.L. Sarmiento
Author: V. Schoemann
Author: V. Smetacek
Author: S. Takeda
Author: A. Tsuda
Author: S. Turner
Author: A.J. Watson

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