Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 19, issue 4
Articles | Volume 19, issue 4
https://doi.org/10.5194/hess-19-1589-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/hess-19-1589-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 19, issue 4
Technical note
 | 
02 Apr 2015
Technical note |  | 02 Apr 2015

Technical Note: Field experiences using UV/VIS sensors for high-resolution monitoring of nitrate in groundwater

M. Huebsch, F. Grimmeisen, M. Zemann, O. Fenton, K. G. Richards, P. Jordan, A. Sawarieh, P. Blum, and N. Goldscheider

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Short summary
Two different in situ spectrophotometers, which were used in the field to determine highly time resolved nitrate-nitrogen (NO3-N) concentrations at two distinct spring discharge sites, are compared: a double and a multiple wavelength spectrophotometer. The objective of the study was to review the hardware options, determine ease of calibration, accuracy, influence of additional substances and to assess positive and negative aspects of the two sensors as well as troubleshooting and trade-offs.
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High resolution monitoring strategies for nutrients in groundwater...