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Volume 21, issue 8
Hydrol. Earth Syst. Sci., 21, 4149–4167, 2017
https://doi.org/10.5194/hess-21-4149-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-21-4149-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue: Observations and modeling of land surface water and energy...
Hydrol. Earth Syst. Sci., 21, 4149–4167, 2017
https://doi.org/10.5194/hess-21-4149-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-21-4149-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article 22 Aug 2017
Research article | 22 Aug 2017
Evaporation from cultivated and semi-wild Sudanian Savanna in west Africa
Natalie C. Ceperley et al.
Related authors
Elvira Mächler, Anham Salyani, Jean-Claude Walser, Annegret Larsen, Bettina Schaefli, Florian Altermatt, and Natalie Ceperley
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2020-490, https://doi.org/10.5194/hess-2020-490, 2020
Preprint under review for HESS
Short summary
Short summary
We collected water from an Alpine catchment in Switzerland and compared the genetic information of eukaryotic organisms conveyed by eDNA with the hydrologic information conveyed by naturally-occurring, hydrologic tracers. At the intersection of two disciplines, our study provides complementary knowledge gains and identifies the next steps to be addressed for using eDNA to achieve complementary insights into Alpine water sources.
Anthony Michelon, Lionel Benoit, Harsh Beria, Natalie Ceperley, and Bettina Schaefli
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2020-371, https://doi.org/10.5194/hess-2020-371, 2020
Preprint under review for HESS
Short summary
Short summary
Rainfall observation remains a challenge particularly in mountain environments. Unlike most studies which are model based, this analysis of the rainfall-runoff response of a 13.4 km2 alpine catchment is purely data-based and rely on measures from a network of 12 low-cost raingauges over 3 months. It assesses the importance of high-density rainfall observations to inform hydrological processes and help to design a permanent raingauge network.
Harsh Beria, Joshua R. Larsen, Anthony Michelon, Natalie C. Ceperley, and Bettina Schaefli
Geosci. Model Dev., 13, 2433–2450, https://doi.org/10.5194/gmd-13-2433-2020, https://doi.org/10.5194/gmd-13-2433-2020, 2020
Short summary
Short summary
We develop a Bayesian mixing model to address the issue of small sample sizes to describe different sources in hydrological mixing applications. Using composite likelihood functions, the model accounts for an often overlooked bias arising due to unweighted mixing. We test the model efficacy using a series of statistical benchmarking tests and demonstrate its real-life applicability by applying it to a Swiss Alpine catchment to obtain the proportion of groundwater recharged from rain vs. snow.
Anthony Michelon, Lionel Benoit, Harsh Beria, Natalie Ceperley, and Bettina Schaefli
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2019-683, https://doi.org/10.5194/hess-2019-683, 2020
Manuscript not accepted for further review
Short summary
Short summary
Rainfall observation remains a challenge particularly in mountain environments. Unlike most studies which are model based, this analysis of the rainfall-runoff response of a 13.4 km2 alpine catchment is purely data-based and rely on measures from a network of 12 low-cost raingauges over 3 months. It assesses the importance of high-density rainfall observations to inform hydrological processes and help to design a permanent raingauge network.
Elvira Mächler, Anham Salyani, Jean-Claude Walser, Annegret Larsen, Bettina Schaefli, Florian Altermatt, and Natalie Ceperley
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2019-551, https://doi.org/10.5194/hess-2019-551, 2019
Revised manuscript not accepted
Short summary
Short summary
We explored what genetic material collected from water (eDNA) tells us about the flow of mountain streams, which are particularly valuable for habitat and water resources, but highly variable. We saw that when flow increased, more diverse eDNA was transported, especially in the main channel and tributaries. Whereas in the springs, we saw more diverse eDNA when the electrical conductivity of the water increased, likely indicating more underground surface contact.
Daniele Penna, Luisa Hopp, Francesca Scandellari, Scott T. Allen, Paolo Benettin, Matthias Beyer, Josie Geris, Julian Klaus, John D. Marshall, Luitgard Schwendenmann, Till H. M. Volkmann, Jana von Freyberg, Anam Amin, Natalie Ceperley, Michael Engel, Jay Frentress, Yamuna Giambastiani, Jeff J. McDonnell, Giulia Zuecco, Pilar Llorens, Rolf T. W. Siegwolf, Todd E. Dawson, and James W. Kirchner
Biogeosciences, 15, 6399–6415, https://doi.org/10.5194/bg-15-6399-2018, https://doi.org/10.5194/bg-15-6399-2018, 2018
Short summary
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Understanding how water flows through ecosystems is needed to provide society and policymakers with the scientific background to manage water resources sustainably. Stable isotopes of hydrogen and oxygen in water are a powerful tool for tracking water fluxes, although the heterogeneity of natural systems and practical methodological issues still limit their full application. Here, we examine the challenges in this research field and highlight new perspectives based on interdisciplinary research.
Justus G. V. van Ramshorst, Miriam Coenders-Gerrits, Bart Schilperoort, Bas J. H. van de Wiel, Jonathan G. Izett, John S. Selker, Chad W. Higgins, Hubert H. G. Savenije, and Nick C. van de Giesen
Atmos. Meas. Tech., 13, 5423–5439, https://doi.org/10.5194/amt-13-5423-2020, https://doi.org/10.5194/amt-13-5423-2020, 2020
Short summary
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In this work we present experimental results of a novel actively heated fiber-optic (AHFO) observational wind-probing technique. We utilized a controlled wind-tunnel setup to assess both the accuracy and precision of AHFO under a range of operational conditions (wind speed, angles of attack and temperature differences). AHFO has the potential to provide high-resolution distributed observations of wind speeds, allowing for better spatial characterization of fine-scale processes.
Elvira Mächler, Anham Salyani, Jean-Claude Walser, Annegret Larsen, Bettina Schaefli, Florian Altermatt, and Natalie Ceperley
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2020-490, https://doi.org/10.5194/hess-2020-490, 2020
Preprint under review for HESS
Short summary
Short summary
We collected water from an Alpine catchment in Switzerland and compared the genetic information of eukaryotic organisms conveyed by eDNA with the hydrologic information conveyed by naturally-occurring, hydrologic tracers. At the intersection of two disciplines, our study provides complementary knowledge gains and identifies the next steps to be addressed for using eDNA to achieve complementary insights into Alpine water sources.
Anthony Michelon, Lionel Benoit, Harsh Beria, Natalie Ceperley, and Bettina Schaefli
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2020-371, https://doi.org/10.5194/hess-2020-371, 2020
Preprint under review for HESS
Short summary
Short summary
Rainfall observation remains a challenge particularly in mountain environments. Unlike most studies which are model based, this analysis of the rainfall-runoff response of a 13.4 km2 alpine catchment is purely data-based and rely on measures from a network of 12 low-cost raingauges over 3 months. It assesses the importance of high-density rainfall observations to inform hydrological processes and help to design a permanent raingauge network.
Didier de Villiers, Marc Schleiss, Marie-Claire ten Veldhuis, Rolf Hut, and Nick van de Giesen
Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2020-174, https://doi.org/10.5194/amt-2020-174, 2020
Preprint under review for AMT
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A new inexpensive rainfall measuring instrument (the intervalometer) is tested. It is reliant on an accurate parameterisation of the drop size distribution (DSD) to determine rainfall rates. Statistical homogeneity is a fundamental assumption of the most widely used current DSD parameterisations. This study shows that whilst this assumption is most likely not strictly true for rainfall it is useful in deriving accurate rainfall rates. The intervalometer shows good potential for deployment.
Harsh Beria, Joshua R. Larsen, Anthony Michelon, Natalie C. Ceperley, and Bettina Schaefli
Geosci. Model Dev., 13, 2433–2450, https://doi.org/10.5194/gmd-13-2433-2020, https://doi.org/10.5194/gmd-13-2433-2020, 2020
Short summary
Short summary
We develop a Bayesian mixing model to address the issue of small sample sizes to describe different sources in hydrological mixing applications. Using composite likelihood functions, the model accounts for an often overlooked bias arising due to unweighted mixing. We test the model efficacy using a series of statistical benchmarking tests and demonstrate its real-life applicability by applying it to a Swiss Alpine catchment to obtain the proportion of groundwater recharged from rain vs. snow.
Moctar Dembélé, Bettina Schaefli, Nick van de Giesen, and Grégoire Mariéthoz
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2020-68, https://doi.org/10.5194/hess-2020-68, 2020
Revised manuscript accepted for HESS
Short summary
Short summary
This study evaluates 102 combinations of rainfall and temperature datasets from satellite and reanalysis sources, and used as input to a fully distributed hydrological model. The model is recalibrated for each input data, and the outputs are evaluated with streamflow, evaporation, soil moisture, and terrestrial water storage data. Results show that no single rainfall or temperature data consistently ranks first in reproducing the spatiotemporal variability of all hydrological processes.
Anthony Michelon, Lionel Benoit, Harsh Beria, Natalie Ceperley, and Bettina Schaefli
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2019-683, https://doi.org/10.5194/hess-2019-683, 2020
Manuscript not accepted for further review
Short summary
Short summary
Rainfall observation remains a challenge particularly in mountain environments. Unlike most studies which are model based, this analysis of the rainfall-runoff response of a 13.4 km2 alpine catchment is purely data-based and rely on measures from a network of 12 low-cost raingauges over 3 months. It assesses the importance of high-density rainfall observations to inform hydrological processes and help to design a permanent raingauge network.
Elvira Mächler, Anham Salyani, Jean-Claude Walser, Annegret Larsen, Bettina Schaefli, Florian Altermatt, and Natalie Ceperley
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2019-551, https://doi.org/10.5194/hess-2019-551, 2019
Revised manuscript not accepted
Short summary
Short summary
We explored what genetic material collected from water (eDNA) tells us about the flow of mountain streams, which are particularly valuable for habitat and water resources, but highly variable. We saw that when flow increased, more diverse eDNA was transported, especially in the main channel and tributaries. Whereas in the springs, we saw more diverse eDNA when the electrical conductivity of the water increased, likely indicating more underground surface contact.
Jeffrey C. Davids, Martine M. Rutten, Anusha Pandey, Nischal Devkota, Wessel David van Oyen, Rajaram Prajapati, and Nick van de Giesen
Hydrol. Earth Syst. Sci., 23, 1045–1065, https://doi.org/10.5194/hess-23-1045-2019, https://doi.org/10.5194/hess-23-1045-2019, 2019
Short summary
Short summary
Wise management of water resources requires data. Nevertheless, the amount of water data being collected continues to decline. We evaluated potential citizen science approaches for measuring flows of headwater streams and springs. After selecting salt dilution as the preferred approach, we partnered with Nepali students to cost-effectively measure flows and water quality with smartphones at 264 springs and streams which provide crucial water supplies to the rapidly expanding Kathmandu Valley.
Tim van Emmerik, Susan Steele-Dunne, Pierre Gentine, Rafael S. Oliveira, Paulo Bittencourt, Fernanda Barros, and Nick van de Giesen
Biogeosciences, 15, 6439–6449, https://doi.org/10.5194/bg-15-6439-2018, https://doi.org/10.5194/bg-15-6439-2018, 2018
Short summary
Short summary
Trees are very important for the water and carbon cycles. Climate and weather models often assume constant vegetation parameters because good measurements are missing. We used affordable accelerometers to measure tree sway of 19 trees in the Amazon rainforest. We show that trees respond very differently to the same weather conditions, which means that vegetation parameters are dynamic. With our measurements trees can be accounted for more realistically, improving climate and weather models.
Daniele Penna, Luisa Hopp, Francesca Scandellari, Scott T. Allen, Paolo Benettin, Matthias Beyer, Josie Geris, Julian Klaus, John D. Marshall, Luitgard Schwendenmann, Till H. M. Volkmann, Jana von Freyberg, Anam Amin, Natalie Ceperley, Michael Engel, Jay Frentress, Yamuna Giambastiani, Jeff J. McDonnell, Giulia Zuecco, Pilar Llorens, Rolf T. W. Siegwolf, Todd E. Dawson, and James W. Kirchner
Biogeosciences, 15, 6399–6415, https://doi.org/10.5194/bg-15-6399-2018, https://doi.org/10.5194/bg-15-6399-2018, 2018
Short summary
Short summary
Understanding how water flows through ecosystems is needed to provide society and policymakers with the scientific background to manage water resources sustainably. Stable isotopes of hydrogen and oxygen in water are a powerful tool for tracking water fluxes, although the heterogeneity of natural systems and practical methodological issues still limit their full application. Here, we examine the challenges in this research field and highlight new perspectives based on interdisciplinary research.
Elena Cristiano, Marie-Claire ten Veldhuis, Santiago Gaitan, Susana Ochoa Rodriguez, and Nick van de Giesen
Hydrol. Earth Syst. Sci., 22, 2425–2447, https://doi.org/10.5194/hess-22-2425-2018, https://doi.org/10.5194/hess-22-2425-2018, 2018
Short summary
Short summary
In this work we investigate the influence rainfall and catchment scales have on hydrological response. This problem is quite relevant in urban areas, where the response is fast due to the high degree of imperviousness. We presented a new approach to classify rainfall variability in space and time and use this classification to investigate rainfall aggregation effects on urban hydrological response. This classification allows the spatial extension of the main core of the storm to be identified.
Koen Hilgersom, Marcel Zijlema, and Nick van de Giesen
Geosci. Model Dev., 11, 521–540, https://doi.org/10.5194/gmd-11-521-2018, https://doi.org/10.5194/gmd-11-521-2018, 2018
Short summary
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This study models the local inflow of groundwater at the bottom of a stream with large density gradients between the groundwater and surface water. Modelling salt and heat transport in a water body is very challenging, as it requires large computation times. Due to the circular local groundwater inflow and a negligible stream discharge, we assume axisymmetry around the inflow, which is easily implemented in an existing model, largely reduces the computation times, and still performs accurately.
Hubertus M. Coerver, Martine M. Rutten, and Nick C. van de Giesen
Hydrol. Earth Syst. Sci., 22, 831–851, https://doi.org/10.5194/hess-22-831-2018, https://doi.org/10.5194/hess-22-831-2018, 2018
Short summary
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Global hydrological models aim to model hydrological processes, like flows in a river, on a global scale, as opposed to traditional models which are regional. A big challenge in creating these models is the inclusion of impacts on the hydrological cycle caused by humans, for example by the operation of large (hydropower) dams. The presented study investigates a new way to include these impacts by dams into global hydrological models.
Elena Cristiano, Marie-Claire ten Veldhuis, and Nick van de Giesen
Hydrol. Earth Syst. Sci., 21, 3859–3878, https://doi.org/10.5194/hess-21-3859-2017, https://doi.org/10.5194/hess-21-3859-2017, 2017
Short summary
Short summary
In the last decades, new instruments were developed to measure rainfall and hydrological processes at high resolution. Weather radars are used, for example, to measure how rainfall varies in space and time. At the same time, new models were proposed to reproduce and predict hydrological response, in order to prevent flooding in urban areas. This paper presents a review of our current knowledge of rainfall and hydrological processes in urban areas, focusing on their variability in time and space.
Rolf Hut, Niels Drost, Maarten van Meersbergen, Edwin Sutanudjaja, Marc Bierkens, and Nick van de Giesen
Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2016-225, https://doi.org/10.5194/gmd-2016-225, 2016
Revised manuscript not accepted
Short summary
Short summary
A system that predicts the amount of water flowing in each river on earth, 9 days ahead, is build using existing parts of open source computer code build by different researchers in other projects.
The glue between all pre-existing parts are all open interfaces which means that the pieces system click together like a house of LEGOs. It is easy to remove a piece (a brick) and replace it with another, improved, piece.
The resulting predictions are available online at forecast.ewatercycle.org
Koen Hilgersom, Tim van Emmerik, Anna Solcerova, Wouter Berghuijs, John Selker, and Nick van de Giesen
Geosci. Instrum. Method. Data Syst., 5, 151–162, https://doi.org/10.5194/gi-5-151-2016, https://doi.org/10.5194/gi-5-151-2016, 2016
Short summary
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Fibre optic distributed temperature sensing allows one to measure temperature patterns along a fibre optic cable with resolutions down to 25 cm. In geosciences, we sometimes wrap the cable to a coil to measure temperature at even smaller scales. We show that coils with narrow bends affect the measured temperatures. This also holds for the object to which the coil is attached, when heated by solar radiation. We therefore recommend the necessity to carefully design such distributed temperature probes.
K. E. R. Pramana, M. W. Ertsen, and N. C. van de Giesen
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hessd-12-9489-2015, https://doi.org/10.5194/hessd-12-9489-2015, 2015
Revised manuscript not accepted
J. Hoogeveen, J.-M. Faurès, L. Peiser, J. Burke, and N. van de Giesen
Hydrol. Earth Syst. Sci., 19, 3829–3844, https://doi.org/10.5194/hess-19-3829-2015, https://doi.org/10.5194/hess-19-3829-2015, 2015
Short summary
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GlobWat is a freely distributed, global soil water balance model that is used by FAO to assess water use in irrigated agriculture, the main factor behind scarcity of freshwater in an increasing number of regions. The model is based on spatially distributed high-resolution data sets that are consistent at global level and is calibrated and validated against information published in global databases. The paper describes methodology, input and output data, calibration and validation of the model.
G. Bruni, R. Reinoso, N. C. van de Giesen, F. H. L. R. Clemens, and J. A. E. ten Veldhuis
Hydrol. Earth Syst. Sci., 19, 691–709, https://doi.org/10.5194/hess-19-691-2015, https://doi.org/10.5194/hess-19-691-2015, 2015
S. A. P. de Jong, J. D. Slingerland, and N. C. van de Giesen
Atmos. Meas. Tech., 8, 335–339, https://doi.org/10.5194/amt-8-335-2015, https://doi.org/10.5194/amt-8-335-2015, 2015
Short summary
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By using two cylindrical thermometers with different diameters, one can determine what temperature a zero diameter thermometer would have. Such a virtual thermometer would not be affected by solar heating and would take on the temperature of the surrounding air. We applied this principle to atmospheric temperature measurements with fiber optic cables using distributed temperature sensing (DTS). With two unshielded cable pairs, one black pair and one white pair, good results were obtained.
S. V. Weijs, N. van de Giesen, and M. B. Parlange
Hydrol. Earth Syst. Sci., 17, 3171–3187, https://doi.org/10.5194/hess-17-3171-2013, https://doi.org/10.5194/hess-17-3171-2013, 2013
O. A. C. Hoes, R. W. Hut, N. C. van de Giesen, and M. Boomgaard
Nat. Hazards Earth Syst. Sci. Discuss., https://doi.org/10.5194/nhessd-1-417-2013, https://doi.org/10.5194/nhessd-1-417-2013, 2013
Revised manuscript has not been submitted
Related subject area
Subject: Ecohydrology | Techniques and Approaches: Instruments and observation techniques
Throughfall isotopic composition in relation to drop size at the intra-event scale in a Mediterranean Scots pine stand
Rainfall interception and redistribution by a common North American understory and pasture forb, Eupatorium capillifolium (Lam. dogfennel)
In situ measurements of soil and plant water isotopes: a review of approaches, practical considerations and a vision for the future
Coalescence of bacterial groups originating from urban runoffs and artificial infiltration systems among aquifer microbiomes
A combination of soil water extraction methods quantifies the isotopic mixing of waters held at separate tensions in soil
Using water stable isotopes to understand evaporation, moisture stress, and re-wetting in catchment forest and grassland soils of the summer drought of 2018
Partitioning growing season water balance within a forested boreal catchment using sap flux, eddy covariance, and a process-based model
Technical note: Long-term probe misalignment and proposed quality control using the heat pulse method for transpiration estimations
Rapid reduction in ecosystem productivity caused by flash drought based on decade-long FLUXNET observations
Contribution of understory evaporation in a tropical wet forest during the dry season
Coffee and shade trees show complementary use of soil water in a traditional agroforestry ecosystem
Responses of soil water storage and crop water use efficiency to changing climatic conditions: a lysimeter-based space-for-time approach
Neighbourhood and stand structure affect stemflow generation in a heterogeneous deciduous temperate forest
Technical Note: A global database of the stable isotopic ratios of meteoric and terrestrial waters
Temporally dependent effects of rainfall characteristics on inter- and intra-event branch-scale stemflow variability in two xerophytic shrubs
Dissolved organic carbon driven by rainfall events from a semi-arid catchment during concentrated rainfall season in the Loess Plateau, China
Dew frequency across the US from a network of in situ radiometers
Seasonal origins of soil water used by trees
Forest harvesting impacts on microclimate conditions and sediment transport activities in a humid periglacial environment
Hydrogeochemical controls on brook trout spawning habitats in a coastal stream
Speculations on the application of foliar 13C discrimination to reveal groundwater dependency of vegetation and provide estimates of root depth and rates of groundwater use
Every apple has a voice: using stable isotopes to teach about food sourcing and the water cycle
Technical note: An experimental set-up to measure latent and sensible heat fluxes from (artificial) plant leaves
The spatial distribution and temporal variation of desert riparian forests and their influencing factors in the downstream Heihe River basin, China
Variation of soil hydraulic properties with alpine grassland degradation in the eastern Tibetan Plateau
Changes in dissolved organic matter quality in a peatland and forest headwater stream as a function of seasonality and hydrologic conditions
Comparisons of stemflow and its bio-/abiotic influential factors between two xerophytic shrub species
Remapping annual precipitation in mountainous areas based on vegetation patterns: a case study in the Nu River basin
Monitoring the variations of evapotranspiration due to land use/cover change in a semiarid shrubland
The canopy interception–landslide initiation conundrum: insight from a tropical secondary forest in northern Thailand
Groundwater-dependent ecosystems: recent insights from satellite and field-based studies
Monitoring strategies of stream phosphorus under contrasting climate-driven flow regimes
Hydrological connectivity inferred from diatom transport through the riparian-stream system
Monitoring and modelling of soil–plant interactions: the joint use of ERT, sap flow and eddy covariance data to characterize the volume of an orange tree root zone
Divergence of actual and reference evapotranspiration observations for irrigated sugarcane with windy tropical conditions
Using measured soil water contents to estimate evapotranspiration and root water uptake profiles – a comparative study
Monitoring of riparian vegetation response to flood disturbances using terrestrial photography
Negative trade-off between changes in vegetation water use and infiltration recovery after reforesting degraded pasture land in the Nepalese Lesser Himalaya
The patterns and implications of diurnal variations in the d-excess of plant water, shallow soil water and air moisture
Measuring and modeling water-related soil–vegetation feedbacks in a fallow plot
A comparison of methods for determining field evapotranspiration: photosynthesis system, sap flow, and eddy covariance
Impact of long-term drainage on summer groundwater flow patterns in the Mer Bleue peatland, Ontario, Canada
Training hydrologists to be ecohydrologists: a "how-you-can-do-it" example leveraging an active learning environment for studying plant–water interaction
Spatial variations of shallow and deep soil moisture in the semi-arid Loess Plateau, China
Soil moisture and evapotranspiration of different land cover types in the Loess Plateau, China
Desert shrub stemflow and its significance in soil moisture replenishment
Juan Pinos, Jérôme Latron, Kazuki Nanko, Delphis F. Levia, and Pilar Llorens
Hydrol. Earth Syst. Sci., 24, 4675–4690, https://doi.org/10.5194/hess-24-4675-2020, https://doi.org/10.5194/hess-24-4675-2020, 2020
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Water that drips or splashes from a canopy or passes through it is termed throughfall. This is the first known study to examine interrelationships between throughfall isotopic fractionation and throughfall drop size. Working in a mountainous Scots pine forest, we found that throughfall splash droplets were more prevalent at the onset of rain when vapour pressure deficits were larger. This finding has important implications for water mixing in the canopy and for theories of canopy interception.
D. Alex R. Gordon, Miriam Coenders-Gerrits, Brent A. Sellers, S. M. Moein Sadeghi, and John T. Van Stan II
Hydrol. Earth Syst. Sci., 24, 4587–4599, https://doi.org/10.5194/hess-24-4587-2020, https://doi.org/10.5194/hess-24-4587-2020, 2020
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Where plants exist, rain must pass through canopies to reach soils. We studied how rain interacts with dogfennel – a highly problematic weed that is abundant in pastures, grasslands, rangelands, urban forests and along highways. Dogfennels evaporated large portions (approx. one-fifth) of rain and drained significant (at times > 25 %) rain (and dew) down their stems to their roots (via stemflow). This may explain how dogfennel survives and even invades managed landscapes during extended droughts.
Matthias Beyer, Kathrin Kühnhammer, and Maren Dubbert
Hydrol. Earth Syst. Sci., 24, 4413–4440, https://doi.org/10.5194/hess-24-4413-2020, https://doi.org/10.5194/hess-24-4413-2020, 2020
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Water isotopes are a scientific tool that can be used to identify sources of water and answer questions such as
From which soil depths do plants take up water?, which are highly relevant under changing climatic conditions. In the past, the measurement of water isotopes required tremendous effort. In the last decade methods have advanced and can now be applied in the field. Herein, we review the current status of direct field measurements of water isotopes and discuss future applications.
Yannick Colin, Rayan Bouchali, Laurence Marjolet, Romain Marti, Florian Vautrin, Jérémy Voisin, Emilie Bourgeois, Veronica Rodriguez-Nava, Didier Blaha, Thierry Winiarski, Florian Mermillod-Blondin, and Benoit Cournoyer
Hydrol. Earth Syst. Sci., 24, 4257–4273, https://doi.org/10.5194/hess-24-4257-2020, https://doi.org/10.5194/hess-24-4257-2020, 2020
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Stormwater infiltration systems (SISs) are a source of pollution that may have adverse ecological and sanitary impacts. The incidence of a SIS on the coalescence of microbial communities from runoff waters and aboveground sediments with those of an aquifer was investigated. Aquifer waters showed lower coalescence with aboveground bacterial taxa than aquifer biofilms. These biofilms were colonized by bacterial hydrocarbon degraders and harboured undesirable human-opportunistic pathogens.
William H. Bowers, Jason J. Mercer, Mark S. Pleasants, and David G. Williams
Hydrol. Earth Syst. Sci., 24, 4045–4060, https://doi.org/10.5194/hess-24-4045-2020, https://doi.org/10.5194/hess-24-4045-2020, 2020
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Determining the chemical composition of soil water can help to address questions concerning water transport and use. However, there are many observations of incompletely mixed soil water within various soil pore domains. We applied two contrasting waters to soil samples and then removed water from the soils with three sequential and increasing applied energy steps to assess soil water mixing and equilibration over time. We found it took more than 3 d for soil water to mix and equilibrate.
Lukas Kleine, Doerthe Tetzlaff, Aaron Smith, Hailong Wang, and Chris Soulsby
Hydrol. Earth Syst. Sci., 24, 3737–3752, https://doi.org/10.5194/hess-24-3737-2020, https://doi.org/10.5194/hess-24-3737-2020, 2020
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We investigated the effects of the 2018 drought on water partitioning in a lowland catchment under grassland and forest in north-eastern Germany. Conditions resulted in drying up of streams, yield losses, and lower groundwater levels. Oak trees continued to transpire during the drought. We used stable isotopes to assess the fluxes and ages of water. Sustainable use of resource water requires such understanding of ecohydrological water partitioning.
Nataliia Kozii, Kersti Haahti, Pantana Tor-ngern, Jinshu Chi, Eliza Maher Hasselquist, Hjalmar Laudon, Samuli Launiainen, Ram Oren, Matthias Peichl, Jörgen Wallerman, and Niles J. Hasselquist
Hydrol. Earth Syst. Sci., 24, 2999–3014, https://doi.org/10.5194/hess-24-2999-2020, https://doi.org/10.5194/hess-24-2999-2020, 2020
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The hydrologic cycle is one of the greatest natural processes on Earth and strongly influences both regional and global climate as well as ecosystem functioning. Results from this study clearly show the central role trees play in regulating the water cycle of boreal catchments, implying that forest management impacts on stand structure as well as climate change effects on tree growth are likely to have large cascading effects on the way water moves through boreal forested landscapes.
Elisabeth K. Larsen, Jose Luis Palau, Jose Antonio Valiente, Esteban Chirino, and Juan Bellot
Hydrol. Earth Syst. Sci., 24, 2755–2767, https://doi.org/10.5194/hess-24-2755-2020, https://doi.org/10.5194/hess-24-2755-2020, 2020
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To improve long-term sap flow measurements when using the heat ratio method, this study introduces a dynamic probe misalignment correction method. This work uses sap flow data from four Aleppo pines from April 2017 to December 2018 and shows how a classical probe correction approach declines in accuracy over time. Additionally, it is proposed that a new set of statistical information be recorded along with the sap flow readings to ensure the quality of the raw data.
Miao Zhang and Xing Yuan
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2020-185, https://doi.org/10.5194/hess-2020-185, 2020
Preprint under review for HESS
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We identify flash drought events by considering decline rate of soil moisture and the drought persistency, and detect the response of ecosystem carbon and water fluxes to flash drought. We find negative impact on carbon assimilation occurs during 81 % of 165 flash drought events identified at 34 FLUXNET stations with 16–24 days, and savannas show highest sensitivity. Water use efficiency increases for forests but decreases for herbaceous ecosystems during recovery stage of flash droughts.
César Dionisio Jiménez-Rodríguez, Miriam Coenders-Gerrits, Jochen Wenninger, Adriana Gonzalez-Angarita, and Hubert Savenije
Hydrol. Earth Syst. Sci., 24, 2179–2206, https://doi.org/10.5194/hess-24-2179-2020, https://doi.org/10.5194/hess-24-2179-2020, 2020
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Tropical forest ecosystems are able to export a lot of water to the atmosphere by means of evaporation. However, little is known on how their complex structure affects this water flux. This paper analyzes the contribution of three canopy layers in terms of water fluxes and stable water isotope signatures. During the dry season in 2018 the two lower canopy layers provide 20 % of measured evaporation, highlighting the importance of knowing how forest structure can affect the hydrological cycle.
Lyssette Elena Muñoz-Villers, Josie Geris, María Susana Alvarado-Barrientos, Friso Holwerda, and Todd Dawson
Hydrol. Earth Syst. Sci., 24, 1649–1668, https://doi.org/10.5194/hess-24-1649-2020, https://doi.org/10.5194/hess-24-1649-2020, 2020
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Our research showed, consistently, a complementary use of soil water sources between coffee (Coffea Arabica var. typica) plants and shade tree species during the dry and wet seasons in a traditional agroforestry ecosystem in central Veracruz, Mexico. However, more variability in plant water sources was observed among species in the rainy season when higher soil moisture conditions were present and water stress was largely absent.
Jannis Groh, Jan Vanderborght, Thomas Pütz, Hans-Jörg Vogel, Ralf Gründling, Holger Rupp, Mehdi Rahmati, Michael Sommer, Harry Vereecken, and Horst H. Gerke
Hydrol. Earth Syst. Sci., 24, 1211–1225, https://doi.org/10.5194/hess-24-1211-2020, https://doi.org/10.5194/hess-24-1211-2020, 2020
Johanna C. Metzger, Jens Schumacher, Markus Lange, and Anke Hildebrandt
Hydrol. Earth Syst. Sci., 23, 4433–4452, https://doi.org/10.5194/hess-23-4433-2019, https://doi.org/10.5194/hess-23-4433-2019, 2019
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Variation in stemflow (rain water running down the stem) enhances the formation of flow hot spots at the forest floor. Investigating drivers based on detailed measurements, we find that forest structure affects stemflow, both for individual trees and small communities. Densely packed forest patches received more stemflow, due to a higher proportion of woody structure and canopy morphology adjustments, which increase the potential for flow path generation connecting crowns and soil.
Annie L. Putman and Gabriel J. Bowen
Hydrol. Earth Syst. Sci., 23, 4389–4396, https://doi.org/10.5194/hess-23-4389-2019, https://doi.org/10.5194/hess-23-4389-2019, 2019
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We describe an open-access, global database of stable water isotope ratios of various water types. The database facilitates data archiving, supports standardized metadata collection, and decreases the time investment for metanalyses. To promote data discovery and collaboration, the database exposes metadata and data owner contact information for private data but only permits download of public data. Two companion apps support digital data collection and processing and upload of analyzed data.
Chuan Yuan, Guangyao Gao, Bojie Fu, Daming He, Xingwu Duan, and Xiaohua Wei
Hydrol. Earth Syst. Sci., 23, 4077–4095, https://doi.org/10.5194/hess-23-4077-2019, https://doi.org/10.5194/hess-23-4077-2019, 2019
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The stemflow dynamics of two xerophytic shrubs were investigated at the inter- and intra-event scales with high-temporal-resolution data in 54 rain events. Stemflow process was depicted by intensity, duration and time lags to rain events. Funneling ratio was calculated as the ratio of stemflow to rainfall intensities. Rainfall intensity and raindrop momentum controlled stemflow intensity and time lags. Influences of rainfall characteristics on stemflow variables showed temporal dependence.
Linhua Wang, Haw Yen, Xinhui E, Liding Chen, and Yafeng Wang
Hydrol. Earth Syst. Sci., 23, 3141–3153, https://doi.org/10.5194/hess-23-3141-2019, https://doi.org/10.5194/hess-23-3141-2019, 2019
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A high-frequency approach was used to monitor dynamic changes of DOC exported during the concentrated rainfall season in LPR, China. DOC concentration and flux from an ecologically restored catchment in the LPR was investigated. Hysteresis analysis indicated non-linear relationships between DOC concentration and discharge rate in a rainfall event. DOC export is substantially affected by the interaction of rainfall and antecedent conditions for a rainfall event.
François Ritter, Max Berkelhammer, and Daniel Beysens
Hydrol. Earth Syst. Sci., 23, 1179–1197, https://doi.org/10.5194/hess-23-1179-2019, https://doi.org/10.5194/hess-23-1179-2019, 2019
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There currently is no standardized approach for measuring dew formation, making it difficult to compare its frequency and importance across ecosystems. Recently, canopy surface temperature data from 30 sites in the US were measured continuously using in situ infrared radiometers. The analysis presented here provides the first continental-scale standardized synthesis of dew formation. This work provides a basis for considering how changing climate and land use will influence dew formation.
Scott T. Allen, James W. Kirchner, Sabine Braun, Rolf T. W. Siegwolf, and Gregory R. Goldsmith
Hydrol. Earth Syst. Sci., 23, 1199–1210, https://doi.org/10.5194/hess-23-1199-2019, https://doi.org/10.5194/hess-23-1199-2019, 2019
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We used stable isotopes of xylem water to study differences in the seasonal origin of water in more than 900 individual trees from three dominant species in 182 Swiss forested sites. We discovered that midsummer transpiration was mostly supplied by winter precipitation across diverse humid climates. Our findings provide new insights into tree vulnerability to droughts, transport of water (and thus solutes) in soils, and the climatic information conveyed by plant-tissue isotopes.
Fumitoshi Imaizumi, Ryoko Nishii, Kenichi Ueno, and Kousei Kurobe
Hydrol. Earth Syst. Sci., 23, 155–170, https://doi.org/10.5194/hess-23-155-2019, https://doi.org/10.5194/hess-23-155-2019, 2019
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We investigated seasonal changes in sediment transport activities following forest harvesting in a humid periglacial area. Removal of the forest canopy by forest harvesting alters the type of winter soil creep. Winter creep velocity of the ground surface sediment in the harvested site was significantly higher than that in the non-harvested site. Meanwhile, sediment flux on the hillslopes decreased in the harvested site because of capture of sediment by branches of harvested trees.
Martin A. Briggs, Judson W. Harvey, Stephen T. Hurley, Donald O. Rosenberry, Timothy McCobb, Dale Werkema, and John W. Lane Jr.
Hydrol. Earth Syst. Sci., 22, 6383–6398, https://doi.org/10.5194/hess-22-6383-2018, https://doi.org/10.5194/hess-22-6383-2018, 2018
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Brook trout are known to seek out groundwater-discharge zones for spawning. However, in a groundwater-dominated system, we observed trout using a few locations for repeatedly laying eggs. To improve the management of this cold-water species, we wanted to know why these specific groundwater-discharge zones were desirable. Through a combination of geophysical and chemical measurements, we found that locations where the stream intersects the sandy valley wall create oxygen-rich seepage zones.
Rizwana Rumman, James Cleverly, Rachael H. Nolan, Tonantzin Tarin, and Derek Eamus
Hydrol. Earth Syst. Sci., 22, 4875–4889, https://doi.org/10.5194/hess-22-4875-2018, https://doi.org/10.5194/hess-22-4875-2018, 2018
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Groundwater is a significant water resource for humans and for groundwater-dependent vegetation. Several challenges to managing both groundwater resources and dependent vegetation include defining the location of dependent vegetation, the rate of groundwater use, and the depth of roots accessing groundwater. In this study we demonstrate a novel application of measurements of stable isotopes of carbon that can be used to identify the location, the rooting depth, and the rate of groundwater use.
Erik Oerter, Molly Malone, Annie Putman, Dina Drits-Esser, Louisa Stark, and Gabriel Bowen
Hydrol. Earth Syst. Sci., 21, 3799–3810, https://doi.org/10.5194/hess-21-3799-2017, https://doi.org/10.5194/hess-21-3799-2017, 2017
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Fruits take up soil water as they grow, and thus the fruit water is related to the rain or irrigation the crop receives. We used a novel sampling system to measure the stable isotopes of H and O in the fruit water to determine its geographic origin by comparing it to maps of isotopes in rain. We used this approach to teach an audience of science students and teachers about water cycle concepts and how humans may modify the water cycle through agriculture and irrigation water diversions.
Stanislaus J. Schymanski, Daniel Breitenstein, and Dani Or
Hydrol. Earth Syst. Sci., 21, 3377–3400, https://doi.org/10.5194/hess-21-3377-2017, https://doi.org/10.5194/hess-21-3377-2017, 2017
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Leaf transpiration and energy exchange are coupled processes at the small scale that have strong effects on the water cycle and climate at the large scale. In this technical note, we present a novel experimental set-up that enables detailed study of these coupled processes in the laboratory under controlled conditions. Results document the abilities of the experimental set-up to confirm or challenge our understanding of these processes.
Jingyi Ding, Wenwu Zhao, Stefani Daryanto, Lixin Wang, Hao Fan, Qiang Feng, and Yaping Wang
Hydrol. Earth Syst. Sci., 21, 2405–2419, https://doi.org/10.5194/hess-21-2405-2017, https://doi.org/10.5194/hess-21-2405-2017, 2017
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In this study, we focused on exploring the spatial distribution and temporal variation of desert riparian forests and their influencing factors based on field experiment and remote sensing data. Our result revealed how the environmental factors shape the spatial distribution and temporal variation of desert riparian forest in the downstream Heihe river. The results of this study provide support for the effective restoration of desert riparian forest in the hyperarid zone.
Tao Pan, Shuai Hou, Shaohong Wu, Yujie Liu, Yanhua Liu, Xintong Zou, Anna Herzberger, and Jianguo Liu
Hydrol. Earth Syst. Sci., 21, 2249–2261, https://doi.org/10.5194/hess-21-2249-2017, https://doi.org/10.5194/hess-21-2249-2017, 2017
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This study shows that soil hydraulic properties, especially those of the top soil, varied greatly with alpine swamp meadow degradation. Soil porosity is the dominant influencing factor of soil hydraulic properties. The results suggest that alpine swamp meadow degradation would inevitably lead to negative hydrological effects. Hydrological modelling in the Tibetan Plateau and similar regions are recommended to understand the effects of degradation on soil hydraulic properties.
Tanja Broder, Klaus-Holger Knorr, and Harald Biester
Hydrol. Earth Syst. Sci., 21, 2035–2051, https://doi.org/10.5194/hess-21-2035-2017, https://doi.org/10.5194/hess-21-2035-2017, 2017
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This study elucidates controls on temporal variability in DOM concentration and quality in stream water draining a bog and a forested peaty riparian zone, particularly considering drought and storm flow events. DOM quality was monitored using spectrofluorometric indices (SUVA254, SR and FI) and PARAFAC modeling of EEMs. DOM quality depended clearly on hydrologic preconditions and season. Moreover, the forested peaty riparian zone generated most variability in headwater DOM quantity and quality.
Chuan Yuan, Guangyao Gao, and Bojie Fu
Hydrol. Earth Syst. Sci., 21, 1421–1438, https://doi.org/10.5194/hess-21-1421-2017, https://doi.org/10.5194/hess-21-1421-2017, 2017
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We computed stemflow yield and efficiency, and analyzed the influential mechanism at smaller scales of leaf and raindrop. We found that precipitation was the most influential meteorological feature on stemflow. The smaller threshold precipitation to start stemflow and the more beneficial leaf traits might partly explain the larger and more efficient stemflow production. At defoliated period, the newly exposed stems replaced leaves to intercept raindrops and might really matter in stemflow yield.
Xing Zhou, Guang-Heng Ni, Chen Shen, and Ting Sun
Hydrol. Earth Syst. Sci., 21, 999–1015, https://doi.org/10.5194/hess-21-999-2017, https://doi.org/10.5194/hess-21-999-2017, 2017
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We develop a fusion framework to improve precipitation estimation by jointly utilizing the gauge precipitation and vegetation index and then applying them to mountainous areas of the Nu River basin. The results demonstrate the reliability of the framework in reproducing the high-resolution precipitation regime and capturing its high spatial variability in the Nu River basin. The framework can significantly reduce the errors in precipitation estimates as compared with the IDW and TRMM methods.
Tingting Gong, Huimin Lei, Dawen Yang, Yang Jiao, and Hanbo Yang
Hydrol. Earth Syst. Sci., 21, 863–877, https://doi.org/10.5194/hess-21-863-2017, https://doi.org/10.5194/hess-21-863-2017, 2017
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Seasonal and inter-annual features of ET were analyzed over four periods. A normalization method was adopted to exclude the effects of potential evapotranspiration and soil water stress on ET. During the land degradation process, when natural vegetation (including leaves and branches), sand dunes, dry sand layers, and BSCs were all bulldozed, ET was observed to increase at a mild rate. In a vegetation rehabilitation process with sufficient groundwater, ET also increased at a faster rate.
Roy C. Sidle and Alan D. Ziegler
Hydrol. Earth Syst. Sci., 21, 651–667, https://doi.org/10.5194/hess-21-651-2017, https://doi.org/10.5194/hess-21-651-2017, 2017
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Rainwater intercepted by forest canopies has been suggested to moderate peak pulses of rainfall and resultant pore pressure within soils, thus reducing the risk of shallow landslides. Three years of data in a tropical secondary forest in northern Thailand show that average canopy interception during large storms was only 7 % of rainfall. These peak rain inputs had little effect on soil moisture pulses below 1 m. Thus, canopy interception would have little effect in mitigating shallow landslides.
D. Eamus, S. Zolfaghar, R. Villalobos-Vega, J. Cleverly, and A. Huete
Hydrol. Earth Syst. Sci., 19, 4229–4256, https://doi.org/10.5194/hess-19-4229-2015, https://doi.org/10.5194/hess-19-4229-2015, 2015
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In this review, we discuss a range of techniques, including remote sensing, for identifying groundwater-dependent ecosystems and determining rates of water use by GDEs. In addition, gravity recovery satellite data are discussed in relation to changes in soil and groundwater stores. Ecophysiological and structural attributes of GDEs are reviewed, from which we present an integrated ecosystem-scale response as a function of differences in depth-to-groundwater.
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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Climate and hydrology are relevant control factors determining the timing and amount of nutrient losses from land to aquatic systems, in particular of phosphorus (P) from agricultural lands. The main objective of the study was to evaluate the differences in P export patterns and the performance of alternative monitoring strategies in streams under contrasting climate-driven flow regimes: temperate and stable discharge conditions (Denmark) and sub-tropical and flashy conditions (Uruguay).
N. Martínez-Carreras, C. E. Wetzel, J. Frentress, L. Ector, J. J. McDonnell, L. Hoffmann, and L. Pfister
Hydrol. Earth Syst. Sci., 19, 3133–3151, https://doi.org/10.5194/hess-19-3133-2015, https://doi.org/10.5194/hess-19-3133-2015, 2015
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We tested the hypothesis that different diatom species assemblages inhabit specific moisture domains of the catchment and, consequently, the presence of certain species assemblages in the stream during runoff events offers the potential for recording whether there was hydrological connectivity between these domains or not. In the Weierbach catchment, the transport of aerial diatoms during events suggested a rapid connectivity between the soil surface and the stream.
G. Cassiani, J. Boaga, D. Vanella, M. T. Perri, and S. Consoli
Hydrol. Earth Syst. Sci., 19, 2213–2225, https://doi.org/10.5194/hess-19-2213-2015, https://doi.org/10.5194/hess-19-2213-2015, 2015
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The paper presents an integrated approach to monitoring root water uptake and link this information to the plant transpiration measured by sap flow and eddy covariance. The monitoring of soil conditions is achieved using 3-D electrical resistivity tomography. This ensemble of data can be used jointly to model the soil-plant interactions and identify the extent and efficiency of the root zone in front of existing irrigation schemes. A case study is presented regarding an orange orchard in Sicily.
R. G. Anderson, D. Wang, R. Tirado-Corbalá, H. Zhang, and J. E. Ayars
Hydrol. Earth Syst. Sci., 19, 583–599, https://doi.org/10.5194/hess-19-583-2015, https://doi.org/10.5194/hess-19-583-2015, 2015
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Evapotranspiration (ET) was measured and compared to reference ET over irrigated sugarcane in Hawaii, USA: reference ET increasingly diverged from measured ET with higher wind conditions; custom bulk canopy resistance improved reference ET observations; the Priestley-Taylor equation performed better than reference ET to estimate actual ET; bulk canopy resistance was over 150 s/m, but there was no evidence of water stress in the field.
M. Guderle and A. Hildebrandt
Hydrol. Earth Syst. Sci., 19, 409–425, https://doi.org/10.5194/hess-19-409-2015, https://doi.org/10.5194/hess-19-409-2015, 2015
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This paper is the result of a numerical study to test the application of water balance methods for estimating evapotranspiration and water extraction profiles based on measured soil water content data. The advantage of the tested methods is that they do not rely on a priori information of any root distribution parameters. Our research shows the potential of water balance methods for derivation of water extraction profiles, but their application may be challenging in realistic conditions.
K. Džubáková, P. Molnar, K. Schindler, and M. Trizna
Hydrol. Earth Syst. Sci., 19, 195–208, https://doi.org/10.5194/hess-19-195-2015, https://doi.org/10.5194/hess-19-195-2015, 2015
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We use a high-resolution ground-based camera system with near-infrared sensitivity to quantify the response of riparian vegetation in an Alpine river to floods with the use of vegetation indices. The vegetation showed both damage and enhancement within 1 week following floods, with a selective impact determined by pre-flood vegetation vigour, morphological setting and intensity of flood forcing. The tested vegetation indices differed in the direction of predicted change in the range 0.7-35.8%.
C. P. Ghimire, L. A. Bruijnzeel, M. W. Lubczynski, and M. Bonell
Hydrol. Earth Syst. Sci., 18, 4933–4949, https://doi.org/10.5194/hess-18-4933-2014, https://doi.org/10.5194/hess-18-4933-2014, 2014
L. Zhao, L. Wang, X. Liu, H. Xiao, Y. Ruan, and M. Zhou
Hydrol. Earth Syst. Sci., 18, 4129–4151, https://doi.org/10.5194/hess-18-4129-2014, https://doi.org/10.5194/hess-18-4129-2014, 2014
N. Ursino, G. Cassiani, R. Deiana, G. Vignoli, and J. Boaga
Hydrol. Earth Syst. Sci., 18, 1105–1118, https://doi.org/10.5194/hess-18-1105-2014, https://doi.org/10.5194/hess-18-1105-2014, 2014
Z. Zhang, F. Tian, H. Hu, and P. Yang
Hydrol. Earth Syst. Sci., 18, 1053–1072, https://doi.org/10.5194/hess-18-1053-2014, https://doi.org/10.5194/hess-18-1053-2014, 2014
B. J. Kopp, J. H. Fleckenstein, N. T. Roulet, E. Humphreys, J. Talbot, and C. Blodau
Hydrol. Earth Syst. Sci., 17, 3485–3498, https://doi.org/10.5194/hess-17-3485-2013, https://doi.org/10.5194/hess-17-3485-2013, 2013
S. W. Lyon, M. T. Walter, E. J. Jantze, and J. A. Archibald
Hydrol. Earth Syst. Sci., 17, 269–279, https://doi.org/10.5194/hess-17-269-2013, https://doi.org/10.5194/hess-17-269-2013, 2013
L. Yang, W. Wei, L. Chen, F. Jia, and B. Mo
Hydrol. Earth Syst. Sci., 16, 3199–3217, https://doi.org/10.5194/hess-16-3199-2012, https://doi.org/10.5194/hess-16-3199-2012, 2012
S. Wang, B. J. Fu, G. Y. Gao, X. L. Yao, and J. Zhou
Hydrol. Earth Syst. Sci., 16, 2883–2892, https://doi.org/10.5194/hess-16-2883-2012, https://doi.org/10.5194/hess-16-2883-2012, 2012
X.-P. Wang, Z.-N. Wang, R. Berndtsson, Y.-F. Zhang, and Y.-X. Pan
Hydrol. Earth Syst. Sci., 15, 561–567, https://doi.org/10.5194/hess-15-561-2011, https://doi.org/10.5194/hess-15-561-2011, 2011
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Short summary
We relate land cover (savanna forest and agriculture) to evaporation in Burkina Faso, west Africa. We observe more evaporation and temperature movement over the savanna forest in the headwater area relative to the agricultural section of the watershed. We find that the fraction of available energy converted to evaporation relates to vegetation cover and soil moisture. From the results, evaporation can be calculated where ground-based measurements are lacking, frequently the case across Africa.
We relate land cover (savanna forest and agriculture) to evaporation in Burkina Faso, west...
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