High resolution monitoring strategies for nutrients in groundwater and surface waters: big data jump in the future to assist EU Directives
High resolution monitoring strategies for nutrients in groundwater and surface waters: big data jump in the future to assist EU Directives
Editor(s): H. P. Broers, B. Kronvang, F. van Geer, and G. H. de Rooij
The assessment of the status and trend, in concentrations and loads, required for regulations such as the European Water Framework Directive, through monitoring, is complex due to spatial and temporal variability in driving forces (natural as well as man induced), biogeochemical processes in surface and ground water, groundwater-surface water interaction processes and transport processes. In the past years, innovative devices and sensors have been developed, with which high resolution monitoring as well as time averaged sampling become feasible. The new development yields enormous data sets, enabling the identifications of water and nutrient pathways, improving our knowledge on biogeochemical processes and the quantification of groundwater-surface water interactions. In this special issue we welcome papers dealing with new high resolution as well as time-integrated monitoring strategies of flow and nutrient concentrations, that can be transformed into more reliable loads estimates, including the transformation from data into information to support management policies. Amongst others the objectives of the monitoring might be: process understanding; identification of pathways; effectiveness of mitigation measures, or support of modelling. Technical issues may include spatial monitoring design; scaling and different spatial resolutions; assessment of pathways; groundwater-surface water interactions; and the cost-effectiveness of monitoring strategies.

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07 Sep 2016
High-resolution monitoring of nutrients in groundwater and surface waters: process understanding, quantification of loads and concentrations, and management applications
Frans C. van Geer, Brian Kronvang, and Hans Peter Broers
Hydrol. Earth Syst. Sci., 20, 3619–3629, https://doi.org/10.5194/hess-20-3619-2016,https://doi.org/10.5194/hess-20-3619-2016, 2016
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11 May 2016
High-frequency monitoring reveals nutrient sources and transport processes in an agriculture-dominated lowland water system
Bas van der Grift, Hans Peter Broers, Wilbert Berendrecht, Joachim Rozemeijer, Leonard Osté, and Jasper Griffioen
Hydrol. Earth Syst. Sci., 20, 1851–1868, https://doi.org/10.5194/hess-20-1851-2016,https://doi.org/10.5194/hess-20-1851-2016, 2016
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19 Jan 2016
High-frequency monitoring of water fluxes and nutrient loads to assess the effects of controlled drainage on water storage and nutrient transport
J. C. Rozemeijer, A. Visser, W. Borren, M. Winegram, Y. van der Velde, J. Klein, and H. P. Broers
Hydrol. Earth Syst. Sci., 20, 347–358, https://doi.org/10.5194/hess-20-347-2016,https://doi.org/10.5194/hess-20-347-2016, 2016
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08 Oct 2015
Monitoring strategies of stream phosphorus under contrasting climate-driven flow regimes
G. Goyenola, M. Meerhoff, F. Teixeira-de Mello, I. González-Bergonzoni, D. Graeber, C. Fosalba, N. Vidal, N. Mazzeo, N. B. Ovesen, E. Jeppesen, and B. Kronvang
Hydrol. Earth Syst. Sci., 19, 4099–4111, https://doi.org/10.5194/hess-19-4099-2015,https://doi.org/10.5194/hess-19-4099-2015, 2015
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07 Aug 2015
Long-term monitoring of nitrate transport to drainage from three agricultural clayey till fields
V. Ernstsen, P. Olsen, and A. E. Rosenbom
Hydrol. Earth Syst. Sci., 19, 3475–3488, https://doi.org/10.5194/hess-19-3475-2015,https://doi.org/10.5194/hess-19-3475-2015, 2015
26 May 2015
Using high-frequency water quality data to assess sampling strategies for the EU Water Framework Directive
R. A. Skeffington, S. J. Halliday, A. J. Wade, M. J. Bowes, and M. Loewenthal
Hydrol. Earth Syst. Sci., 19, 2491–2504, https://doi.org/10.5194/hess-19-2491-2015,https://doi.org/10.5194/hess-19-2491-2015, 2015
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20 May 2015
Interacting effects of climate and agriculture on fluvial DOM in temperate and subtropical catchments
D. Graeber, G. Goyenola, M. Meerhoff, E. Zwirnmann, N. B. Ovesen, M. Glendell, J. Gelbrecht, F. Teixeira de Mello, I. González-Bergonzoni, E. Jeppesen, and B. Kronvang
Hydrol. Earth Syst. Sci., 19, 2377–2394, https://doi.org/10.5194/hess-19-2377-2015,https://doi.org/10.5194/hess-19-2377-2015, 2015
21 Apr 2015
Detecting groundwater discharge dynamics from point-to-catchment scale in a lowland stream: combining hydraulic and tracer methods
J. R. Poulsen, E. Sebok, C. Duque, D. Tetzlaff, and P. K. Engesgaard
Hydrol. Earth Syst. Sci., 19, 1871–1886, https://doi.org/10.5194/hess-19-1871-2015,https://doi.org/10.5194/hess-19-1871-2015, 2015
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
Hydrol. Earth Syst. Sci., 19, 1589–1598, https://doi.org/10.5194/hess-19-1589-2015,https://doi.org/10.5194/hess-19-1589-2015, 2015
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26 Jan 2015
Using high-resolution phosphorus data to investigate mitigation measures in headwater river catchments
J. M. Campbell, P. Jordan, and J. Arnscheidt
Hydrol. Earth Syst. Sci., 19, 453–464, https://doi.org/10.5194/hess-19-453-2015,https://doi.org/10.5194/hess-19-453-2015, 2015
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28 Nov 2014
Comparison of sampling methodologies for nutrient monitoring in streams: uncertainties, costs and implications for mitigation
J. Audet, L. Martinsen, B. Hasler, H. de Jonge, E. Karydi, N. B. Ovesen, and B. Kronvang
Hydrol. Earth Syst. Sci., 18, 4721–4731, https://doi.org/10.5194/hess-18-4721-2014,https://doi.org/10.5194/hess-18-4721-2014, 2014
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