Articles | Volume 12, issue 18
https://doi.org/10.5194/bg-12-5365-2015
https://doi.org/10.5194/bg-12-5365-2015
Peer-reviewed comment
 | 
17 Sep 2015
Peer-reviewed comment |  | 17 Sep 2015

Comment on "Solute-specific scaling of inorganic nitrogen and phosphorus uptake in streams" by Hall et al. (2013)

R. González-Pinzón, J. Mortensen, and D. Van Horn

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Cited articles

Benson, M. A.: Spurious correlation in hydraulics and hydrology, J. Hydraul. Div., 91, 35–42, 1965.
Covino, T. P., McGlynn, B. L., and McNamara, R. A.: Tracer Additions for Spiraling Curve Characterization(TASCC): Quantifying stream nutrient uptake kinetics from ambient to saturation, Limnol. Oceanogr., 8, 484–498, 2010.
Ensign, S. H. and Doyle, M. W.: Nutrient spiraling in streams and river networks, J. Geophys. Res., 111, G04009 https://doi.org/10.1029/2005JG000114, 2006.
Hall Jr., R. O., Baker, M. A., Rosi-Marshall, E. J., Tank, J. L., and Newbold, J. D.: Solute-specific scaling of inorganic nitrogen and phosphorus uptake in streams, Biogeosciences, 10, 7323–7331, https://doi.org/10.5194/bg-10-7323-2013, 2013.
Kenney, B. C.: Beware of spurious self-correlations, Water Resour. Res., 18, 1041–1048, 1982.
Short summary
Hall et al. (2013) presented a synthesis of 969 nutrient tracer experiments and used a scaling method to test the hypothesis that nutrient demand is constant with increasing stream size. In this comment we present a reanalysis of a subset of the data used by Hall et al. (2013) and propose that their correlations between nutrient uptake lengths and specific discharge are inadvertently spurious. Therefore, the conclusions derived from such correlations are debatable.
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