Vertical Fe GoFlo measurements from R/V Tangaroa cruise 61TG_3052 in the Southern Ocean in 1999 (SOIREE project)
SOIREE Vertical Fe GoFlo Data<br><br> During the cruise we had the following three objectives:<br> (1) Undertake continuous sampling of the infused patch for dissolved/total iron<br> (2) Obtain samples from vertical profiles, using Go-Flo bottles, to examine the<br> par...
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Biological and Chemical Oceanography Data Management Office (BCO-DMO)
2009
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Online Access: | https://search.dataone.org/view/sha256:da958eedfb789098c3d5e6c19f7274557550cd1c880aad2c903c507c18738410 |
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dataone:sha256:da958eedfb789098c3d5e6c19f7274557550cd1c880aad2c903c507c18738410 2023-11-08T14:14:59+01:00 Vertical Fe GoFlo measurements from R/V Tangaroa cruise 61TG_3052 in the Southern Ocean in 1999 (SOIREE project) Andrew R. Bowie Dr Russell D. Frew Doug Mackie 2009-08-19T00:00:00Z https://search.dataone.org/view/sha256:da958eedfb789098c3d5e6c19f7274557550cd1c880aad2c903c507c18738410 unknown Biological and Chemical Oceanography Data Management Office (BCO-DMO) oceans Dataset 2009 dataone:urn:node:BCODMO 2023-11-08T13:38:52Z SOIREE Vertical Fe GoFlo Data<br><br> During the cruise we had the following three objectives:<br> (1) Undertake continuous sampling of the infused patch for dissolved/total iron<br> (2) Obtain samples from vertical profiles, using Go-Flo bottles, to examine the<br> partitioning between dissolved and particulate iron within the water column, both<br> inside and outside the patch.<br> (3) Undertake measurements to determine iron speciation within the water column.<br> <br> Go-Flo casts were taken both inside and outside the patch during the course<br> of the experiment. Typically, water samples were obtained from four standard<br> depths (20, 40, 60 and 80 m) throughout the water column at each station. Deeper<br> samples (> 80 m) were obtained at some stations to examine the concentration of<br> iron below the mixed layer. Both filtered (0.2 um) and unfiltered samples were<br> collected. These samples will be analysed for Fe and other trace metals (Zn, Cd, Mn, Cu)<br> back in the clean laboratory at the University of Otago.<br> <br> The speciation of iron was measured using competitive ligand exchange cathodic stripping<br> voltammetry (CLE CSV) on samples from 40 m depth from stations both inside and outside the<br> patch. This technique determines the total concentration of iron binding ligands present<br> in the sample and their relative binding strengths. From the data generated an estimation<br> of the inorganic iron concentration, Fe`, can also be made, this value can be used to<br> approximate the amount of iron that may be available for uptake by the phytoplankton.<br> <br> <i><b>References</b><br> Bowie, A.R., Maldonado, M.T., Frew, R.D., Croot P.L., Achterberg, E.A., Mantoura, R.F.C.,<br> Worsfold, P.J., Law, C.S., Boyd P.W., The Fate of Added Iron during a Mesoscale Fertilisation<br> Experiment in the Southern Ocean, Deep-Sea Research II (2001), SOIREE special issue, in the press.<br> <br> Bruland, K.W., Franks, R.P., Knauer, G.A., Martin, J.H., 1979. Sampling and analytical methods for<br> the determination of copper, cadmium, zinc and nickel at the nanogram per litre level in seawater.<br> Analytica Chimica Acta 105, 233-245.<br> <br> Danielsson, L.G., Magnusson, B., Westerlund, S., Zhang, K., 1982. Trace-metal determinations<br> in estuarine waters by electrothermal atomic-absorption spectrometry after extraction of<br> dithiocarbamate complexes into freon. Analytica Chimica Acta 144, 183-188.<br> </i><br> Dataset Southern Ocean Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE) Bruland ENVELOPE(15.262,15.262,68.757,68.757) Southern Ocean |
institution |
Open Polar |
collection |
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE) |
op_collection_id |
dataone:urn:node:BCODMO |
language |
unknown |
topic |
oceans |
spellingShingle |
oceans Andrew R. Bowie Dr Russell D. Frew Doug Mackie Vertical Fe GoFlo measurements from R/V Tangaroa cruise 61TG_3052 in the Southern Ocean in 1999 (SOIREE project) |
topic_facet |
oceans |
description |
SOIREE Vertical Fe GoFlo Data<br><br> During the cruise we had the following three objectives:<br> (1) Undertake continuous sampling of the infused patch for dissolved/total iron<br> (2) Obtain samples from vertical profiles, using Go-Flo bottles, to examine the<br> partitioning between dissolved and particulate iron within the water column, both<br> inside and outside the patch.<br> (3) Undertake measurements to determine iron speciation within the water column.<br> <br> Go-Flo casts were taken both inside and outside the patch during the course<br> of the experiment. Typically, water samples were obtained from four standard<br> depths (20, 40, 60 and 80 m) throughout the water column at each station. Deeper<br> samples (> 80 m) were obtained at some stations to examine the concentration of<br> iron below the mixed layer. Both filtered (0.2 um) and unfiltered samples were<br> collected. These samples will be analysed for Fe and other trace metals (Zn, Cd, Mn, Cu)<br> back in the clean laboratory at the University of Otago.<br> <br> The speciation of iron was measured using competitive ligand exchange cathodic stripping<br> voltammetry (CLE CSV) on samples from 40 m depth from stations both inside and outside the<br> patch. This technique determines the total concentration of iron binding ligands present<br> in the sample and their relative binding strengths. From the data generated an estimation<br> of the inorganic iron concentration, Fe`, can also be made, this value can be used to<br> approximate the amount of iron that may be available for uptake by the phytoplankton.<br> <br> <i><b>References</b><br> Bowie, A.R., Maldonado, M.T., Frew, R.D., Croot P.L., Achterberg, E.A., Mantoura, R.F.C.,<br> Worsfold, P.J., Law, C.S., Boyd P.W., The Fate of Added Iron during a Mesoscale Fertilisation<br> Experiment in the Southern Ocean, Deep-Sea Research II (2001), SOIREE special issue, in the press.<br> <br> Bruland, K.W., Franks, R.P., Knauer, G.A., Martin, J.H., 1979. Sampling and analytical methods for<br> the determination of copper, cadmium, zinc and nickel at the nanogram per litre level in seawater.<br> Analytica Chimica Acta 105, 233-245.<br> <br> Danielsson, L.G., Magnusson, B., Westerlund, S., Zhang, K., 1982. Trace-metal determinations<br> in estuarine waters by electrothermal atomic-absorption spectrometry after extraction of<br> dithiocarbamate complexes into freon. Analytica Chimica Acta 144, 183-188.<br> </i><br> |
format |
Dataset |
author |
Andrew R. Bowie Dr Russell D. Frew Doug Mackie |
author_facet |
Andrew R. Bowie Dr Russell D. Frew Doug Mackie |
author_sort |
Andrew R. Bowie |
title |
Vertical Fe GoFlo measurements from R/V Tangaroa cruise 61TG_3052 in the Southern Ocean in 1999 (SOIREE project) |
title_short |
Vertical Fe GoFlo measurements from R/V Tangaroa cruise 61TG_3052 in the Southern Ocean in 1999 (SOIREE project) |
title_full |
Vertical Fe GoFlo measurements from R/V Tangaroa cruise 61TG_3052 in the Southern Ocean in 1999 (SOIREE project) |
title_fullStr |
Vertical Fe GoFlo measurements from R/V Tangaroa cruise 61TG_3052 in the Southern Ocean in 1999 (SOIREE project) |
title_full_unstemmed |
Vertical Fe GoFlo measurements from R/V Tangaroa cruise 61TG_3052 in the Southern Ocean in 1999 (SOIREE project) |
title_sort |
vertical fe goflo measurements from r/v tangaroa cruise 61tg_3052 in the southern ocean in 1999 (soiree project) |
publisher |
Biological and Chemical Oceanography Data Management Office (BCO-DMO) |
publishDate |
2009 |
url |
https://search.dataone.org/view/sha256:da958eedfb789098c3d5e6c19f7274557550cd1c880aad2c903c507c18738410 |
long_lat |
ENVELOPE(15.262,15.262,68.757,68.757) |
geographic |
Bruland Southern Ocean |
geographic_facet |
Bruland Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
_version_ |
1782011602782912512 |