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Developing standards for dissolved iron in seawater

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Johnson, KS and Bowie, AR and Buck, K and Cai, Y and Chase, Z and Cullen, J and Doi, T and Elrod, V and Fitzwater, S and Gordon, M and King, A and Boyle, E and Laan, P and Laglera-Baquer, L and Landing, WM and Lohan, M and Mendez, J and Milne, A and Obata, H and Ossiander, L and Plant, J and Sarthou, G and Bruland, K and Sedwick, P and Smith, GJ and Sohst, B and Tanner, S and Van Den Berg, S and Wu, J and Coale, K and Measures, C and Moffett, J and Aguilar-Islas, A and Barbeau, K and Bergquist, B (2007) Developing standards for dissolved iron in seawater. Eos, 88 (11). pp. 131-132. ISSN 0096-3941

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Abstract

In nearly a dozen open-ocean fertilization experiments conducted by more than 100 researchers from nearly 20 countries, adding iron at the sea surface has led to distinct increases in photosynthesis rates and biomass. These experiments confirmed the hypothesis proposed by the late John Martin that dissolved iron concentration is a key variable that controls phytoplankton processes in ocean surface waters. However, the measurement of dissolved iron concentration in seawater remains a difficult task with significant interlaboratory differences apparent at times. The availability of a seawater reference solution with well-known dissolved iron (Fe) concentrations similar to open-ocean values, which could be used for the calibration of equipment or other tasks, would greatly alleviate these problems.

Item Type: Article
Journal or Publication Title: Eos
Publisher: American Geophysical Union
Page Range: pp. 131-132
ISSN: 0096-3941
Identification Number - DOI: 10.1029/2007EO110003.
Additional Information:

Copyright 2007 by the American Geophysical Union.

Date Deposited: 07 Apr 2008 14:12
Last Modified: 18 Nov 2014 03:33
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