Upper water column Ammonium measurements from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume, 2010-2012 (ANACONDAS project)

<p>Ammonium concentrations were derived using the fluorometric method described by Holmes et al., (1999) incorporating amendments suggested by Taylor et al., (2007)</p>

<p><strong>Related files and references:</strong><br />
Holmes et al. (1999). Description of fluorometric analytical technique.<br />
A simple and precise method for measuring ammonium in marine and freshwater ecosystems<br />
Robert M Holmes, Alain Aminot, Roger Kérouel, Bethanie A Hooker, Bruce J Peterson<br />
Canadian Journal of Fisheries and Aquatic Sciences, 1999, 56(10): 1801-1808, 10.1139/f99-128<br />
<u><a href=\"http://www.nrcresearchpress.com/doi/abs/10.1139/f99-128#.UugDShDTncs\">http://www.nrcresearchpress.com/doi/abs/10.1139/f99-128#.UugDShDTncs</a></u></p>

<p>Taylor et al. (2007). Description of improvements to Holmes method<br />
Improving the fluorometric ammonium method: matrix effects, background fluorescence, and standard additions<br />
Brad W. Taylor, Christine F. Keep, Robert O. Hall, Benjamin J. Koch, Lusha M. Tronstad, Alexander S. Flecker, Amber J. Ulseth<br />
Journal of The North American Benthological Society - J N AMER BENTHOL SOC 01/2007; 26(2):167-177.<br />
doi: <u><a href=\"http://dx.doi.org/10.1899/0887-3593(2007)26[167:ITFAMM]2.0.CO;2\">http://dx.doi.org/10.1899/0887-3593(2007)26[167:ITFAMM]2.0.CO;2</a></u><br />
http://www.bioone.org/doi/abs/10.1899/0887-3593%282007%2926%5B167%3AITFAMM%5D2.0.CO%3B2</p>