Bernhard Kohl
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View article: Brief Communication: Investigating the invisible subsurface stormflow process through a thorough and systematic study across sites and scales
Brief Communication: Investigating the invisible subsurface stormflow process through a thorough and systematic study across sites and scales Open
Subsurface stormflow (SSF) is one of the least studied and therefore least understood runoff generation processes because detecting and quantifying SSF is extremely challenging. However, the impact of SSF on streamflow dynamics and water q…
View article: Tracing Subsurface Stormflow: Combining HYDRUS Modelling and ERT Profiles to Explore Runoff, Storage and Percolation under Intense Rainfall
Tracing Subsurface Stormflow: Combining HYDRUS Modelling and ERT Profiles to Explore Runoff, Storage and Percolation under Intense Rainfall Open
In controlled rainfall experiments conducted across four catchments in Germany and Austria, rainfall simulations were conducted on 200m² large plots and 50m² small plots, all designed to detect subsurface stormflow (SSF).  A…
View article: Exploring Subsurface Stormflow through Sprinkling Experiments at Multiple Trenchsites
Exploring Subsurface Stormflow through Sprinkling Experiments at Multiple Trenchsites Open
In many natural landscapes, subsurface stormflow (SSF) is a runoff-producing mechanism which can substantially contribute to the storm hydrograph of a stream. Despite its importance, there is a lack of systematic studies exploring SSF acro…
View article: Tracing Subsurface Stormflow: Insights into Preferential Flow and Pre-Event Water Contributions from Controlled Sprinkling Experiments
Tracing Subsurface Stormflow: Insights into Preferential Flow and Pre-Event Water Contributions from Controlled Sprinkling Experiments Open
Subsurface stormflow (SSF) is an essential process in runoff generation, particularly in headwater catchments where it can contribute for more than 90% of streamflow (Beasley, 1976). However, the fundamental mechanisms of SSF are still ina…
View article: Investigations on the effects of game browsing on surface runoff in Alpine forests
Investigations on the effects of game browsing on surface runoff in Alpine forests Open
The hydrological effect of forests on reducing surface runoff and therefore mitigating flood hazards is well recognized in theoretical concepts, however its quantification for practical applications remains a challenge. Changes in the hydr…
View article: Does afforestation increase soil water buffering? A demonstrator study on soil moisture variability in the Alpine Geroldsbach catchment, Austria
Does afforestation increase soil water buffering? A demonstrator study on soil moisture variability in the Alpine Geroldsbach catchment, Austria Open
This study employed an operational monitoring network to measure soil moisture and runoff behaviour continuously in the Alpine catchment Geroldsbach-Götzens, Austria. We hypothesize that afforestation can have a positive impact on soil wat…
View article: Influence of rainfall event characteristics on the subsurface stormflow response: a multi-site analysis
Influence of rainfall event characteristics on the subsurface stormflow response: a multi-site analysis Open
In many natural landscapes, subsurface stormflow (SSF) is a runoff-producing mechanism which can substantially contribute to the storm hydrograph of a stream. Despite its importance, its complex and highly dynamic nature have hindered its …
View article: Fast and Invisible: Conquering Subsurface Stormflow through an Interdisciplinary Multi-Site Approach
Fast and Invisible: Conquering Subsurface Stormflow through an Interdisciplinary Multi-Site Approach Open
Where does water go when it rains? Where are floods generated and how? What controls stream water quality during events? These questions are important to many fields from engineering and flood protection to water and ecosystem management a…
View article: Flood Protection by Forests in Alpine Watersheds: Lessons Learned from Austrian Case Studies
Flood Protection by Forests in Alpine Watersheds: Lessons Learned from Austrian Case Studies Open
This chapter highlights the influence of mountain forests on runoff patterns in Alpine catchments. We discuss the forest impact at different spatial scales and bridge to the requirements for an integrated natural hazard risk management, wh…
View article: Influence of Canopy Disturbances on Runoff and Landslide Disposition after Heavy Rainfall Events
Influence of Canopy Disturbances on Runoff and Landslide Disposition after Heavy Rainfall Events Open
As protective forests have a major control function on runoff and erosion, they directly affect the risk from hydrogeomorphic processes such as sediment transport processes or debris flows. In this context, future scenarios of climate-rela…
View article: Interaction of torrential and urban catchments – Pros and cons of storm sewer retentions
Interaction of torrential and urban catchments – Pros and cons of storm sewer retentions Open
The design of retention measures in urban sewer systems are well known, but – with regard of the hydraulic design of retention basins – the runoff from urban and torrential catchments is often considered independent due to the – in many ca…
View article: Interaction of torrential and urban catchments – Pros and cons of storm sewer retentions
Interaction of torrential and urban catchments – Pros and cons of storm sewer retentions Open
The design of retention measures in urban sewer systems are well known, but – with regard of the hydraulic design of retention basins – the runoff from urban and torrential catchments is often considered independent due to the – in many ca…
View article: Brixenbach research catchment: Quantification of runoff process proportions in a small Alpine catchment depending on soil moisture states and precipitation characteristics
Brixenbach research catchment: Quantification of runoff process proportions in a small Alpine catchment depending on soil moisture states and precipitation characteristics Open
The Brixenbach valley is a small Alpine torrent catchment (9.2 km 2 , 820–1950 m a.s.l., 47.45°, 12.26°) in Tyrol, Austria. Intensive hydrological research in the catchment since more than 12 years, including a hydrogeological survey, pedo…
View article: Water budget and subsurface runoff determination for small Alpine catchments using WaSIM
Water budget and subsurface runoff determination for small Alpine catchments using WaSIM Open
<p>Assessing the water balance including subsurface runoff in high Alpine catchments is still a major challenge due to environmental and meteorological complexity, and mostly data-lacking hydrology. The aim of this study is the deter…
View article: Shallow erosion on grassland slopes in the European Alps – Geomorphological classification, spatio-temporal analysis, and understanding snow and vegetation impacts
Shallow erosion on grassland slopes in the European Alps – Geomorphological classification, spatio-temporal analysis, and understanding snow and vegetation impacts Open
Erosion with the subsequent loss of soil and soil fertility is one of the urgent environmental problems worldwide. On grassland slopes from the montane to the alpine elevation zones of the European Alps, shallow erosion is a widespread and…
View article: Regenerating ecosystems with Nature-Based Solutions: demonstrator study Inn River Basin, Austria
Regenerating ecosystems with Nature-Based Solutions: demonstrator study Inn River Basin, Austria Open
<p><span>Nature-Based Solutions (NBS) could be effective measures to respond to land degradation processes and events such as floods. This study demonstrates how to evaluate the benefits of afforestation being a long-term NBS u…
View article: Modeling of pluvial flash floods in pre-Alpine regions and assessment of potential climate change impacts
Modeling of pluvial flash floods in pre-Alpine regions and assessment of potential climate change impacts Open
<p>In recent years the topic of flash flooding away from rivers and permanent watercourses has attracted increasing attention from the scientific community, public authorities and affected parts of the general public. Not only urban …
View article: How can we model subsurface stormflow at the catchment scale if we cannot measure it?
How can we model subsurface stormflow at the catchment scale if we cannot measure it? Open
Subsurface stormflow (SSF) can be a dominant run‐off generation process in humid mountainous catchments (e.g., Bachmair & Weiler, 2011; Blume & van Meerveld, 2015; Chifflard, Didszun, & Zepp, 2008). Generally, SSF develops in structured so…