Michael Becht
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View article: Testing the predictive capability of the Index of Connectivity for debris‐flow coupling under varying forcing conditions: Insights from two consecutive events in the Horlachtal catchment, Austria
Testing the predictive capability of the Index of Connectivity for debris‐flow coupling under varying forcing conditions: Insights from two consecutive events in the Horlachtal catchment, Austria Open
This study examines the relationship between structural connectivity, forcing conditions and functional connectivity of debris flows in an alpine catchment in the Austrian Alps. We investigate two consecutive rainfall events in the Horlach…
View article: Simulation of soil erosion in the Little Ice Age glacier foreland of the Zufallferner (South Tyrol, Italy) using Erosion-3D
Simulation of soil erosion in the Little Ice Age glacier foreland of the Zufallferner (South Tyrol, Italy) using Erosion-3D Open
Studies on the simulation of erosion in high alpine geosystems are still rare. Using the physically based soil erosion model Erosion3D (E3D), we show the simulation of fluvial erosion on a steep and unvegetated slope in a Little Ice Age (L…
View article: From Source to Sink: Spatial and Temporal Variability of Suspended Sediment Load in two Glaciated Alpine Catchments
From Source to Sink: Spatial and Temporal Variability of Suspended Sediment Load in two Glaciated Alpine Catchments Open
This study investigates suspended sediment transport in two glaciated catchment areas of the Eastern Central Alps within the DFG Research Group SEHAG (Sensitivity of High Alpine Geosystems to climate change since 1850). The main objective …
View article: Evaluation of convolutional neural networks (CNNs) for the automatic generation of geomorphological maps in high alpine environments
Evaluation of convolutional neural networks (CNNs) for the automatic generation of geomorphological maps in high alpine environments Open
Geomorphological maps are essential tools for understanding landscape evolution and natural hazards in mountain environments. However, their creation requires substantial time investment and expert knowledge, limiting the availability of u…
View article: Multitemporal Quantification of the Geomorphodynamics on a Slope within the Cratère Dolomieu at the Piton de la Fournaise (La Réunion, Indian Ocean) Using Terrestrial LiDAR Data, Terrestrial Photographs, and Webcam Data
Multitemporal Quantification of the Geomorphodynamics on a Slope within the Cratère Dolomieu at the Piton de la Fournaise (La Réunion, Indian Ocean) Using Terrestrial LiDAR Data, Terrestrial Photographs, and Webcam Data Open
In this study, the geomorphological evolution of an inner flank of the Cratère Dolomieu at Piton de La Fournaise/La Réunion was investigated with the help of terrestrial laser scanning (TLS) data, terrestrial photogrammetric images, and hi…
View article: Catchment-scale network analysis of functional sediment connectivity during an extreme rainfall event in the Grastal catchment, Austrian Central Alps
Catchment-scale network analysis of functional sediment connectivity during an extreme rainfall event in the Grastal catchment, Austrian Central Alps Open
Global warming significantly impacts sediment dynamics in glaciated catchments, affecting water resource operations, water quality, recreational activities, and ecological systems. The propagation of climate-change-induced geomorphic chang…
View article: Testing the predictive capability of the Index of Connectivity (IC) on a 2022 debris-flow event considering the spatial variability of the forcing
Testing the predictive capability of the Index of Connectivity (IC) on a 2022 debris-flow event considering the spatial variability of the forcing Open
Sediment connectivity is an important property of geomorphic systems reflecting the potential to route material through themselves and hence modulating the propagation of geomorphic changes. While the relevance of the concept is clear, con…
View article: Long-term monitoring (1953–2019) of geomorphologically active sections of Little Ice Age lateral moraines in the context of changing meteorological conditions
Long-term monitoring (1953–2019) of geomorphologically active sections of Little Ice Age lateral moraines in the context of changing meteorological conditions Open
We show a long-term erosion monitoring of several geomorphologically active gully systems on Little Ice Age lateral moraines in the European Central–Eastern Alps, covering a total time period from 1953 to 2019 and including several survey …
View article: Suitability of terrestrial archival imagery for SfM-MVS based surface reconstruction of steep rock walls for the detection of rockfalls
Suitability of terrestrial archival imagery for SfM-MVS based surface reconstruction of steep rock walls for the detection of rockfalls Open
Rockfalls are a common geomorphological process on steep rock slopes and therefore play an important role in the geomorphological dynamics of high mountain regions. Using multi-temporal high-resolution terrain models (DTMs) generated from …
View article: Evolution of an Alpine proglacial river during 7 decades of deglaciation
Evolution of an Alpine proglacial river during 7 decades of deglaciation Open
Alpine rivers have experienced considerable changes in channel morphology over the last century. Natural factors and human disturbance are the main drivers of changes in channel morphology that modify natural sediment and flow regimes at l…
View article: Quantitative long-term (1922 to 2021) monitoring of a large-scale landslide of a LIA lateral moraine due to glacial debuttressing
Quantitative long-term (1922 to 2021) monitoring of a large-scale landslide of a LIA lateral moraine due to glacial debuttressing Open
We present a 99-year monitoring (1922 to 2021) of a large-scale deformation of the terminal part of a Little Ice Age lateral moraine in the glacier forefield of the Gepatschferner in the Upper Kaunertal in Tyrol, Austria. The reconstructio…
View article: Analysing the Large-Scale Debris Flow Event in July 2022 in Horlachtal, Austria Using Remote Sensing and Measurement Data
Analysing the Large-Scale Debris Flow Event in July 2022 in Horlachtal, Austria Using Remote Sensing and Measurement Data Open
High-quality in situ measurements are essential for hazard assessment of debris flow events. However, precise data on debris flow triggering thresholds, accumulation volumes and spatial characteristics of large-scale events on catchment sc…
View article: Quantitative Long-Term Monitoring (1890–2020) of Morphodynamic and Land-Cover Changes of a LIA Lateral Moraine Section
Quantitative Long-Term Monitoring (1890–2020) of Morphodynamic and Land-Cover Changes of a LIA Lateral Moraine Section Open
Aerial photographs of the European Alps usually only reach back to the middle of the 20th century, which limits the time span of corresponding studies that quantitatively analyse long-term surface changes of proglacial areas using georefer…
View article: Development of the morphodynamics on Little Ice Age lateral moraines in 10 glacier forefields of the Eastern Alps since the 1950s
Development of the morphodynamics on Little Ice Age lateral moraines in 10 glacier forefields of the Eastern Alps since the 1950s Open
Since the end of the Little Ice Age (LIA) in the middle of the 19th century, Alpine glaciers have been subject to severe recession that is enhanced by the recent global warming. The melting glaciers expose large areas with loose sediments …
View article: Glaciogenic Periglacial Landform in the Making—Geomorphological Evolution of a Rockfall on a Small Glacier in the Horlachtal, Stubai Alps, Austria
Glaciogenic Periglacial Landform in the Making—Geomorphological Evolution of a Rockfall on a Small Glacier in the Horlachtal, Stubai Alps, Austria Open
Deglaciation in high mountain areas signifies the transition from glacial to periglacial conditioned landscapes. Due to the reduced melt rate of debris-covered glacier ice, these areas of the glacier may persist long after the surrounding …
View article: Multidecadal changes of structural sediment connectivity in alpine catchments
Multidecadal changes of structural sediment connectivity in alpine catchments Open
Sediment connectivity is defined as the potential of a catchment to route material through itself. It is a system property that regulates the propagation of geomorphic changes through a catchment and is therefore a factor of its sensitivit…
View article: Large rockfall on a small glacier - Case study of a periglacial landform formation in the Horlachtal, Stubai Alps, Austria
Large rockfall on a small glacier - Case study of a periglacial landform formation in the Horlachtal, Stubai Alps, Austria Open
Deglaciation in high mountain areas signifies the transition from glacial to periglacial conditioned landscapes. Due to the reduced melt rate of debris coved glacier ice, these parts of the glacier might persist long after the surrounding …
View article: Factors influencing the long-term development of sediment dynamics in proglacial channels in the European Alps
Factors influencing the long-term development of sediment dynamics in proglacial channels in the European Alps Open
The system of proglacial streams in the Alps has experienced significant changes since the end of the Little Ice Age. Previous studies showed different patterns of aggradation and degradation in proglacial channels over time. This leads to…
View article: Long-term reconstruction of a large-scale landslide of a LIA lateral moraine in the Upper Kaunertal in Tyrol, Austria
Long-term reconstruction of a large-scale landslide of a LIA lateral moraine in the Upper Kaunertal in Tyrol, Austria Open
Since the end of the Little Ice Age around 1850, global warming has led to rapid landscape changes, especially in high mountain areas. The ongoing glacier melt leads to an expansion of the LIA glacier forefields, so-called proglacial areas…
View article: Quantitative evaluation of the debris flow events in July 2022 in Horlachtal/Austria by combining different data sets
Quantitative evaluation of the debris flow events in July 2022 in Horlachtal/Austria by combining different data sets Open
In order to calibrate and validate debris flow models, high precision in situ measurements are essential. However, it is quite difficult to acquire detailed information about debris flows, as they only rarely occur during exceptional high …
View article: Spatio-temporal analysis of slope-type debris flow activity in Horlachtal, Austria, based on orthophotos and lidar data since 1947
Spatio-temporal analysis of slope-type debris flow activity in Horlachtal, Austria, based on orthophotos and lidar data since 1947 Open
In order to get a better understanding of the future development of alpine slope-type debris flows in the frame of climate change, complete and gapless records of the last century for this type of geomorphologic process are necessary. Howe…
View article: Long-term monitoring (1953–2019) of geomorphologically active sections on LIA lateral moraines under changing meteorological conditions
Long-term monitoring (1953–2019) of geomorphologically active sections on LIA lateral moraines under changing meteorological conditions Open
We show a long-term erosion monitoring of several geomorphologically active gully systems on Little Ice Age lateral moraines in the central Eastern Alps covering a total time period from 1953 to 2019 including several survey periods in ord…
View article: Comment on esurf-2022-63
Comment on esurf-2022-63 Open
Abstract. Alpine rivers have experienced considerable changes in channel morphology over the last century. Natural factors and human disturbance are the main drivers of changes in channel morphology that modify natural sediment and flow re…
View article: Combination of historical and modern data to decipher the geomorphic evolution of the Innere Ölgruben rock glacier, Kaunertal, Austria, over almost a century (1922–2021)
Combination of historical and modern data to decipher the geomorphic evolution of the Innere Ölgruben rock glacier, Kaunertal, Austria, over almost a century (1922–2021) Open
Rock glaciers are cryo‐conditioned downslope‐creeping landforms in high mountains. Their dynamics are changing due to external factors influenced by climate change. Although there has been a growing scientific interest in mountain permafro…
View article: Evolution of an Alpine proglacial river during seven decades of deglaciation quantified from photogrammetric and LiDAR digital elevation models
Evolution of an Alpine proglacial river during seven decades of deglaciation quantified from photogrammetric and LiDAR digital elevation models Open
Alpine rivers have experienced considerable changes in channel morphology over the last century. Natural factors and human disturbance are the main drivers of changes in channel morphology that modify natural sediment and flow regimes at l…
View article: Comment on esurf-2022-24
Comment on esurf-2022-24 Open
Abstract. Since the end of the Little Ice Age (LIA) in the middle of the 19th century, Alpine glaciers have been subject to severe recession that is enhanced by the recent global warming. The melting glaciers expose large areas with loos…
View article: Comment on nhess-2022-138
Comment on nhess-2022-138 Open
In order to get a better understanding about the future development of alpine slope-type debris flows in the frame of climate change, complete and gapless records for the last century for this type of geomorphologic process are necessary. …
View article: Long-term development of the sediment dynamics of proglacial streams in three alpine catchments
Long-term development of the sediment dynamics of proglacial streams in three alpine catchments Open
<p>Due to glacier melting since the end of the Little Ice Age, the system of proglacial streams has experienced significant changes. This motivates the question about long-term developments of sediment dynamics in these stream channe…
View article: Spatio-temporal analysis of slope-type debris flow activity in Horlachtal, Austria based on orthophotos and LiDAR data since 1947
Spatio-temporal analysis of slope-type debris flow activity in Horlachtal, Austria based on orthophotos and LiDAR data since 1947 Open
In order to get a better understanding about the future development of alpine slope-type debris flows in the frame of climate change, complete and gapless records for the last century for this type of geomorphologic process are necessary. …
View article: Development of the morphodynamics on LIA lateral moraines in ten glacier forefields of the Eastern Alps since the 1950s
Development of the morphodynamics on LIA lateral moraines in ten glacier forefields of the Eastern Alps since the 1950s Open
Since the end of the Little Ice Age (LIA) in the middle of the 19th century, Alpine glaciers have been subject to severe recession that is enhanced by the recent global warming. The melting glaciers expose large areas with loose sediments,…