Developing standards for dissolved iron in seawater

S. Johnson Kenneth 1 Virginia Elrod 1 Steve Fitzwater 1 Joshua Plant 1 Edward Boyle 2 Bridget Bergquist 2 Kenneth Bruland 3 Ana Aguilar-Islas 3 Kristen Buck 3 Maeve Lohan 3 Geoffrey Smith 3 Bettina Sohst 3 Kenneth Coale 4 Michael Gordon 4 Sara Tanner 4 Chris Measures 5 James Moffett 6 Katherine Barbeau 7 Andrew King 7 Andrew Bowie 8 Zanna Chase 9 Jay Cullen 10 Patrick Laan 11 William Landing 12 Jeffrey Mendez 13 Angela Milne 14 Hajime Obata 15 Lia Ossiander 16 Géraldine Sarthou 17, 18 Peter Sedwick 19 Stan Van den Berg 20 Luis Laglera Baquer 20 Feng Wu Jing 21 Yihua Cai 21
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 [Martin, 1990] 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 [Bruland and Rue, 2001] 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 [National Research Council (NRC), 2002
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Eos -Hoboken-, American Geophysical Union (AGU), 2007, 88 (11), pp.131. 〈10.1029/2007EO110003〉
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S. Johnson Kenneth, Virginia Elrod, Steve Fitzwater, Joshua Plant, Edward Boyle, et al.. Developing standards for dissolved iron in seawater. Eos -Hoboken-, American Geophysical Union (AGU), 2007, 88 (11), pp.131. 〈10.1029/2007EO110003〉. 〈hal-00675693〉

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