Measurements of dissolved inorganic concentrations of nutrient iron and of iron limitation at selected stations and depths from CalCOFI cruises in the California Current System, Nov. 2002 - July 2004 (completed)
California Current Ecosystem LTER
CalCOFI - Scripps Institution of Oceanography
Barbeau, Katherine; SIO
Barbeau K. 2017. Measurements of dissolved inorganic concentrations of nutrient iron and of iron limitation at selected stations and depths from CalCOFI cruises in the California Current System, Nov. 2002 - July 2004 (completed). Environmental Data Initiative. http://dx.doi.org/10.6073/pasta/63c4e57f87861db3acaf80d1dec103e1. Dataset accessed 1/20/2018.
Measurements were made of iron (Fe) and the potential for phytoplankton iron limitation on CalCOFI survey cruises (2002-2004) in coastal transition zones of the southern California Current System. This is a weak upwelling regime that is relatively low in nutrients and chlorophyll. The majority of seawater samples from the mixed layer were collected using a pole sampler, others were collected using a trace metal clean Teflon pump system. Profiles for dissolved Fe analysis were collected using GO Flo bottles attached to a synthetic line and the seawater samples were filtered under ultra-pure conditions. Dissolved Fe was measured using an FeLume flow injection analysis system. Changes in phytoplankton (Chla response to Fe+) and nutrient parameters upon iron addition were also investigated.
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