Articles | Volume 14, issue 3
https://doi.org/10.5194/bg-14-631-2017
https://doi.org/10.5194/bg-14-631-2017
Research article
 | 
09 Feb 2017
Research article |  | 09 Feb 2017

Quantifying nutrient fluxes with a new hyporheic passive flux meter (HPFM)

Julia Vanessa Kunz, Michael D. Annable, Jaehyun Cho, Wolf von Tümpling, Kirk Hatfield, Suresh Rao, Dietrich Borchardt, and Michael Rode

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Cited articles

Alexander, R. B., Böhlke, J. K., Boyer, E. W., David, M. B., Harvey, J. W., Mulholland, P. J., Seitzinger, S. P., Tobias, C. R., Tonitto, C., and Wollheim, W. M.: Dynamic modeling of nitrogen losses in river networks unravels the coupled effects of hydrological and biogeochemical processes, Biogeochemistry, 93, 91–116, https://doi.org/10.1007/s10533-008-9274-8, 2009.
Angermann, L., Krause, S., and Lewandowski, J.: Application of heat pulse injections for investigating shallow hyporheic flow in a lowland river, Water Resour. Res., 48, W00P02, https://doi.org/10.1029/2012WR012564, 2012.
Annable, M. D., Hatfield, K., Cho, J., Klammler, H., Parker, B. L., Cherry, J. A., and Rao, P. S. C.: Field-Scale Evaluation of the Passive Flux Meter for Simultaneous Measurement of Groundwater and Contaminant Fluxes, Environ. Sci. Technol., 39, 7194–7201, https://doi.org/10.1021/es050074g, 2005.
Artioli, Y., Friedrich, J., Gilbert, A. J., McQuatters-Gollop, A., Mee, L. D., Vermaat, J. E., Wulff, F., Humborg, C., Palmeri, L., and Pollehne, F.: Nutrient budgets for European seas: A measure of the effectiveness of nutrient reduction policies, Mar. Pollut. Bull., 56, 1609–1617, https://doi.org/10.1016/j.marpolbul.2008.05.027, 2008.
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Short summary
The hyporheic zone, the subsurface region of streams, is a key compartment for in-stream nutrient retention. Knowledge on actual hyporheic processing rates is still limited due to methodological restrictions which are mainly related to the high local and temporal variability of subsurface flow patterns and nutrient transformation processes. We present a new device which allows quantitative assessment of hyporheic nutrient fluxes and demonstrate its advantages in an exemplary field testing.
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