Articles | Volume 15, issue 4
https://doi.org/10.5194/essd-15-1779-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-15-1779-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description article
| 
24 Apr 2023
Data description article |
| 24 Apr 2023
| 24 Apr 2023
Shallow-groundwater-level time series and a groundwater chemistry survey from a boreal headwater catchment, Krycklan, Sweden
Jana Erdbrügger
CORRESPONDING AUTHOR
Department of Geography, University of Zurich, Zurich, Switzerland
Ilja van Meerveld
Department of Geography, University of Zurich, Zurich, Switzerland
Jan Seibert
Department of Geography, University of Zurich, Zurich, Switzerland
Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
Kevin Bishop
Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Hydrol. Earth Syst. Sci., 30, 5857–5871, https://doi.org/10.5194/hess-30-5857-2026, https://doi.org/10.5194/hess-30-5857-2026, 2026
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We studied how well simple bucket-type models can reproduce observed river flow using large data sets from many regions in the world. Model performance varies widely depending on local conditions, so fixed performance thresholds are misleading. To better judge model performances, we propose lower and upper benchmarks. These benchmarks help to better understand what level of model performance is achievable and, thus, enable us to compare models across different catchments.
Tamara Leins, Nikolai Späth, Jan Seibert, Francesca Pianosi, Christian Reinhardt-Imjela, and Andreas Hartmann
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In this study, we found large uncertainties in the simulation of Subsurface Stormflow (SSF) in a lumped hydrological model using only discharge data for parameter estimation. High-flow-based parameter estimation could extract some additional information, but SSF-specific data remain necessary to achieve more realistic SSF simulations. Occurrence uncertainty dominated total SSF uncertainty, suggesting proxy data on SSF occurrence could already substantially reduce SSF simulation uncertainties.
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This preprint is open for discussion and under review for Hydrology and Earth System Sciences (HESS).
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Many streams do not always contain flowing water. Because these streams are rarely monitored, we tested whether observations by citizen scientists could be used to track whether streams were flowing. Although these observations were irregular in space and time, identifying the order in which sites started or stopped flowing allowed us to fill data gaps and estimate daily flow conditions across the area. This shows that volunteers can effectively monitor streams that sometimes dry up.
David Bastviken, Blaize A Denfeld, Holger Villwock, Jonathan Schenk, Leif Klemedtsson, Hjalmar Laudon, Niels Aagard Jakobsen, Stefan Bertilsson, Kevin Bishop, William Colom Montero, Silke Langenheder, Amelie Lindgren, Erik Lundin, Niklas Rakos, Johannes Tiwari, Per Weslien, and Marcus B. Wallin
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Lakes are significant methane sources, a powerful greenhouse gas, but long-term, consistent measurements are rare. Five lakes within Swedish Infrastructure of Ecosystem Science were monitored during 2016–2022 to better understand how methane emissions vary across space and time. Ebullition was a major flux pathway, and emissions rise with temperature in ways that differed within and between lakes, highlighting the need for coordinated monitoring and temperature-adjusted comparisons.
Anna Leuteritz, Victor Aloyse Gauthier, and Ilja van Meerveld
Hydrol. Earth Syst. Sci., 30, 267–287, https://doi.org/10.5194/hess-30-267-2026, https://doi.org/10.5194/hess-30-267-2026, 2026
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We applied rainfall and tracers on two 8 m wide runoff plots to better understand runoff generation processes in pre-Alpine catchments with low permeability gleysols. The results highlight the frequent occurrence of infiltration and exfiltration of water, the importance of preferential flow, and the quick runoff response (i.e., high celerity) and transport of solutes (i.e., high velocity). These results help to understand why streams in the study region respond very quickly to rainfall.
Thiago V. M. do Nascimento, Julia Rudlang, Sebastian Gnann, Jan Seibert, Markus Hrachowitz, and Fabrizio Fenicia
Hydrol. Earth Syst. Sci., 29, 7173–7200, https://doi.org/10.5194/hess-29-7173-2025, https://doi.org/10.5194/hess-29-7173-2025, 2025
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We show that geological maps with varying levels of detail may influence the identification of geology–streamflow relationships across European catchments at multiple scales. At the large scale, controls varied between basins, with no map consistently superior. At the intermediate and small scales, however, higher geological detail consistently strengthened correlations, particularly for baseflow signatures, with the regional map highlighting controls more consistent with process understanding.
Marco M. Lehmann, Josie Geris, Ilja van Meerveld, Daniele Penna, Youri Rothfuss, Matteo Verdone, Pertti Ala-Aho, Matyas Arvai, Alise Babre, Philippe Balandier, Fabian Bernhard, Lukrecija Butorac, Simon D. Carrière, Natalie C. Ceperley, Zuosinan Chen, Alicia Correa, Haoyu Diao, David Dubbert, Maren Dubbert, Fabio Ercoli, Marius G. Floriancic, Alligin Ghazoul, Teresa E. Gimeno, Damien Gounelle, Frank Hagedorn, Christophe Hissler, Frédéric Huneau, Alberto Iraheta, Tamara Jakovljević, Nerantzis Kazakis, Zoltan Kern, Laura Kinzinger, Karl Knaebel, Johannes Kobler, Jiri Kocum, Charlotte Koeber, Gerbrand Koren, Angelika Kübert, Dawid Kupka, Samuel Le Gall, Aleksi Lehtonen, Thomas Leydier, Philippe Malagoli, Francesca Sofia Manca di Villahermosa, Chiara Marchina, Núria Martínez-Carreras, Nicolas Martin-StPaul, Hannu Marttila, Aline Meyer Oliveira, Gael Monvoisin, Natalie Orlowski, Kadi Palmik-Das, Aurel Persoiu, Andrei Popa, Egor Prikaziuk, Cécile Quantin, Katja T. Rinne-Garmston, Clara Rohde, Martin Sanda, Matthias Saurer, Daniel Schulz, Michael P. Stockinger, Christine Stumpp, Jean-Stéphane Vénisse, Lukas Vlcek, Stylianos Voudouris, Björn Weeser, Mark E. Wilkinson, Giulia Zuecco, and Katrin Meusburger
Earth Syst. Sci. Data, 17, 6129–6147, https://doi.org/10.5194/essd-17-6129-2025, https://doi.org/10.5194/essd-17-6129-2025, 2025
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This study describes a unique large-scale isotope dataset to study water dynamics in European forests. Researchers collected data from 40 beech and spruce forest sites in spring and summer 2023, using a standardized method to ensure consistency. The results show that water sources for trees change between seasons and vary by tree species. This large dataset offers valuable information for understanding plant water use, improving ecohydrological models, and mapping water cycles across Europe.
Theresa Blume, Peter Chifflard, Stefan Achleitner, Andreas Hartmann, Stefan Hergarten, Luisa Hopp, Bernhard Kohl, Florian Leese, Ilja van Meerveld, Christian Reinhardt-Imjela, and Markus Weiler
EGUsphere, https://doi.org/10.5194/egusphere-2025-4424, https://doi.org/10.5194/egusphere-2025-4424, 2025
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Subsurface stormflow (SSF) is one of the least studied and therefore least understood runoff generation processes because detecting and quantifying SSF is extremely challenging. We present an ongoing concerted experimental effort to systematically investigate SSF across four catchments using a variety of methods covering different spatial scales. Centerpiece of this effort is the construction of 12 large trenches to capture and monitor SSF.
Ondrej Hotovy, Ondrej Nedelcev, Jan Seibert, and Michal Jenicek
Hydrol. Earth Syst. Sci., 29, 4199–4217, https://doi.org/10.5194/hess-29-4199-2025, https://doi.org/10.5194/hess-29-4199-2025, 2025
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Rain falling on snow (RoS) can accelerate snowmelt and affect runoff, potentially causing severe flooding. We assessed the regional and seasonal variations in the occurrence of RoS in mountainous catchments in central Europe under different perturbations of future climate. Our results showed that RoS changes driven by climate change vary greatly among regions, across elevations, and within the cold season. However, most projections suggested a decrease in RoS events and RoS-driven runoff.
Victor Aloyse Gauthier, Anna Leuteritz, and Ilja van Meerveld
Hydrol. Earth Syst. Sci., 29, 3889–3905, https://doi.org/10.5194/hess-29-3889-2025, https://doi.org/10.5194/hess-29-3889-2025, 2025
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Inhye Kong, Jan Seibert, and Ross S. Purves
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Hydrol. Earth Syst. Sci., 29, 2339–2359, https://doi.org/10.5194/hess-29-2339-2025, https://doi.org/10.5194/hess-29-2339-2025, 2025
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Stream networks expand and contract, affecting the amount and quality of water in perennial streams. This study presents measurements of changes in water chemistry and the flowing portion of the drainage network during rainfall events in two neighboring catchments. Despite the proximity and similar size, soil, and bedrock, water chemistry and stream network dynamics differed substantially in the two catchments. These differences are attributed to the differences in the slope and channel network.
Paolo Nasta, Günter Blöschl, Heye R. Bogena, Steffen Zacharias, Roland Baatz, Gabriëlle De Lannoy, Karsten H. Jensen, Salvatore Manfreda, Laurent Pfister, Ana M. Tarquis, Ilja van Meerveld, Marc Voltz, Yijian Zeng, William Kustas, Xin Li, Harry Vereecken, and Nunzio Romano
Hydrol. Earth Syst. Sci., 29, 465–483, https://doi.org/10.5194/hess-29-465-2025, https://doi.org/10.5194/hess-29-465-2025, 2025
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The Unsolved Problems in Hydrology (UPH) initiative has emphasized the need to establish networks of multi-decadal hydrological observatories to tackle catchment-scale challenges on a global scale. This opinion paper provocatively discusses two endmembers of possible future hydrological observatory (HO) networks for a given hypothesized community budget: a comprehensive set of moderately instrumented observatories or, alternatively, a small number of highly instrumented supersites.
Franziska Clerc-Schwarzenbach, Giovanni Selleri, Mattia Neri, Elena Toth, Ilja van Meerveld, and Jan Seibert
Hydrol. Earth Syst. Sci., 28, 4219–4237, https://doi.org/10.5194/hess-28-4219-2024, https://doi.org/10.5194/hess-28-4219-2024, 2024
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We show that the differences between the forcing data included in three CAMELS datasets (US, BR, GB) and the forcing data included for the same catchments in the Caravan dataset affect model calibration considerably. The model performance dropped when the data from the Caravan dataset were used instead of the original data. Most of the model performance drop could be attributed to the differences in precipitation data. However, differences were largest for the potential evapotranspiration data.
Shaozhen Liu, Ilja van Meerveld, Yali Zhao, Yunqiang Wang, and James W. Kirchner
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We study the seasonal and spatial patterns of soil moisture in 0–500 cm soil using 89 monitoring sites in a loess catchment with monsoonal climate. Soil moisture is highest during the months of least precipitation and vice versa. Soil moisture patterns at the hillslope scale are dominated by the aspect-controlled evapotranspiration variations (a local control), not by the hillslope convergence-controlled downslope flow (a nonlocal control), under both dry and wet conditions.
Fabian Maier, Florian Lustenberger, and Ilja van Meerveld
Hydrol. Earth Syst. Sci., 27, 4609–4635, https://doi.org/10.5194/hess-27-4609-2023, https://doi.org/10.5194/hess-27-4609-2023, 2023
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We used a fluorescent sand tracer with afterglow in combination with sprinkling experiments to visualize and determine the movement of sediments on natural hillslopes. We compared the observed transport patterns with the characteristics of the hillslopes. Results show that the fluorescent sand can be used to monitor sediment redistribution on the soil surface and that infiltration on older hillslopes decreased sediment transport due to more developed vegetation cover and root systems.
Rosanna A. Lane, Gemma Coxon, Jim Freer, Jan Seibert, and Thorsten Wagener
Hydrol. Earth Syst. Sci., 26, 5535–5554, https://doi.org/10.5194/hess-26-5535-2022, https://doi.org/10.5194/hess-26-5535-2022, 2022
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This study modelled the impact of climate change on river high flows across Great Britain (GB). Generally, results indicated an increase in the magnitude and frequency of high flows along the west coast of GB by 2050–2075. In contrast, average flows decreased across GB. All flow projections contained large uncertainties; the climate projections were the largest source of uncertainty overall but hydrological modelling uncertainties were considerable in some regions.
Daniel Viviroli, Anna E. Sikorska-Senoner, Guillaume Evin, Maria Staudinger, Martina Kauzlaric, Jérémy Chardon, Anne-Catherine Favre, Benoit Hingray, Gilles Nicolet, Damien Raynaud, Jan Seibert, Rolf Weingartner, and Calvin Whealton
Nat. Hazards Earth Syst. Sci., 22, 2891–2920, https://doi.org/10.5194/nhess-22-2891-2022, https://doi.org/10.5194/nhess-22-2891-2022, 2022
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Estimating the magnitude of rare to very rare floods is a challenging task due to a lack of sufficiently long observations. The challenge is even greater in large river basins, where precipitation patterns and amounts differ considerably between individual events and floods from different parts of the basin coincide. We show that a hydrometeorological model chain can provide plausible estimates in this setting and can thus inform flood risk and safety assessments for critical infrastructure.
Fabian Maier, Florian Lustenberger, and Ilja van Meerveld
EGUsphere, https://doi.org/10.5194/egusphere-2022-165, https://doi.org/10.5194/egusphere-2022-165, 2022
Preprint archived
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Knowledge on overland flow generation and sediment transport is limited due to a lack of observational methods. Thus, we used sprinkling experiments on two natural hillslopes and tested a novel method using fluorescent sand to visualize the movement of soil particles. The results show, that the applied method is suitable to track the movement of individual sediment particles and the particle transport distance depends on the surface characteristics of the hillslopes.
Jan Seibert and Sten Bergström
Hydrol. Earth Syst. Sci., 26, 1371–1388, https://doi.org/10.5194/hess-26-1371-2022, https://doi.org/10.5194/hess-26-1371-2022, 2022
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Hydrological catchment models are commonly used as the basis for water resource management planning. The HBV model, which is a typical example of such a model, was first applied about 50 years ago in Sweden. We describe and reflect on the model development and applications. The aim is to provide an understanding of the background of model development and a basis for addressing the balance between model complexity and data availability that will continue to face hydrologists in the future.
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Short summary
Groundwater can respond quickly to precipitation and is the main source of streamflow in most catchments in humid, temperate climates. To better understand shallow groundwater dynamics, we installed a network of groundwater wells in two boreal headwater catchments in Sweden. We recorded groundwater levels in 75 wells for 2 years and sampled the water and analyzed its chemical composition in one summer. This paper describes these datasets.
Groundwater can respond quickly to precipitation and is the main source of streamflow in most...
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