Benjamin Lehmann
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View article: Exploring Holocene Climate History and Alpine Landscape Evolution From Rock Glacier Dynamics: Mt Sopris, CO, USA
Exploring Holocene Climate History and Alpine Landscape Evolution From Rock Glacier Dynamics: Mt Sopris, CO, USA Open
Rock glaciers dominate the cryosphere in mid‐latitude alpine settings, yet their activity and their histories remain challenging to constrain. We focus on the Thomas Lake rock glacier on Mt. Sopris in Colorado, USA. We measure surface velo…
View article: Towards improved alpine permafrost maps using the energy balance model of the CryoGrid community
Towards improved alpine permafrost maps using the energy balance model of the CryoGrid community Open
The warming of mountain permafrost due to climate change poses significant challenges for slope stability and ecosystem dynamics in alpine regions. Accurate permafrost maps are essential for hazard assessment, as they depict local permafro…
View article: Post- glacial geomorphic response, erosion dynamics and sediment transfer in the Ariège catchment (Eastern Pyrenees, France)
Post- glacial geomorphic response, erosion dynamics and sediment transfer in the Ariège catchment (Eastern Pyrenees, France) Open
Mountainous landscapes have been progressively shaped during the Quaternary under oscillating glacial-interglacial conditions. However, in the context of current climate change, quantifying alpine erosion dynamics has remained problematic …
View article: Tracking Sediment Transport Through Miage Glacier, Italy, Using a Lagrangian Approach With Luminescence Rock Surface Burial Dating of Englacial Clasts
Tracking Sediment Transport Through Miage Glacier, Italy, Using a Lagrangian Approach With Luminescence Rock Surface Burial Dating of Englacial Clasts Open
Constraining the timescales of sediment transport by glacier systems is important for understanding the processes controlling sediment dynamics within glacierized catchments, and because the accumulation of supraglacial sediment influences…
View article: A Multimethod Investigation of the Lake Agnes Rock Glacier, Colorado, USA
A Multimethod Investigation of the Lake Agnes Rock Glacier, Colorado, USA Open
Rock glaciers are important headwater landforms that play a key role in alpine hydrology. North American rock glaciers are estimated to contain the third largest water volume equivalent globally, and over 3800 rock glaciers have been mappe…
View article: How does rock glaciers deactivate? Geomorphic and activity states of French Alpine rock glaciers in transition
How does rock glaciers deactivate? Geomorphic and activity states of French Alpine rock glaciers in transition Open
Rock glaciers are the visible expression of mountain permafrost. The deformation of internal ice and basal horizon make them creeping downward, which allows their detection. Their geomorphological characteristics tend to evolve as a respon…
View article: “Identification and Characterization of Paleoalluvial Events in the  Ranrahírca Hydrographic Unit, Cordillera Blanca, Perú”
“Identification and Characterization of Paleoalluvial Events in the  Ranrahírca Hydrographic Unit, Cordillera Blanca, Perú” Open
sThe Cordillera Blanca, located in Peru, is a mountain range with peaks exceeding 6000 meters, preserving tropical glaciers on its surface. Currently, due to global climate change resulting from both natural and anthropogenic causes, glaci…
View article: Tracking sediment transport through the Miage Glacier, Italy, combining a Lagrangian approach with luminescence burial dating of englacial clasts
Tracking sediment transport through the Miage Glacier, Italy, combining a Lagrangian approach with luminescence burial dating of englacial clasts Open
 Constraining the pathways and time scales of englacial sediment transport is of primary importance for both understanding the processes that move sediment through glacierised catchments and quantifying the response of mountain glacie…
View article: Spatio-temporal distribution of extreme rock-ice avalanches in the Cordillera Blanca (Peru)
Spatio-temporal distribution of extreme rock-ice avalanches in the Cordillera Blanca (Peru) Open
The Cordillera Blanca, located in Peru between latitudes 8-10°S, is the most glacierized intertropical mountain range in the world, with peaks over 6,000 meters still carrying numerous glaciers today. Ongoing climate change has result…
View article: Advancing understanding of Holocene rock glacier dynamics
Advancing understanding of Holocene rock glacier dynamics Open
Rock glaciers, major cryospheric features in alpine landscapes, pose formidable challenges in extracting climatic information over recent to Holocene timescales. This presentation delves into an integrative multi-method approach, striving …
View article: Alpine hillslope failure in the western US: insights from the Chaos Canyon landslide, Rocky Mountain National Park, USA
Alpine hillslope failure in the western US: insights from the Chaos Canyon landslide, Rocky Mountain National Park, USA Open
The Chaos Canyon landslide, which collapsed on the afternoon of 28 June 2022 in Rocky Mountain National Park, presents an opportunity to evaluate instabilities within alpine regions faced with a warming and dynamic climate. Video documenta…
View article: New White Etch Cracking resistant martensitic stainless steel for bearing applications by high temperature solution nitriding
New White Etch Cracking resistant martensitic stainless steel for bearing applications by high temperature solution nitriding Open
White Etch Cracking (WEC) is a severe and unpredictable failure mode that has been frequently observed in, among others, bearings for wind energy applications. In this work a novel, patented, WEC resistant bearing steel solution is develop…
View article: Alpine hillslope failure in the western US: Insights from the Chaos Canyon landslide, Rocky Mountain National Park USA
Alpine hillslope failure in the western US: Insights from the Chaos Canyon landslide, Rocky Mountain National Park USA Open
The Chaos Canyon landslide, which collapsed on the afternoon of June 28th, 2022 in Rocky Mountain National Park presents an opportunity to evaluate instabilities within alpine regions faced with a warming and dynamic climate. Video documen…
View article: Alpine hillslope failure in the western US: Insights from Chaos Canyon landslide, Rocky Mountain National Park USA
Alpine hillslope failure in the western US: Insights from Chaos Canyon landslide, Rocky Mountain National Park USA Open
This code was developed for the purposes of analyzing 1) climate, 2) InSAR data, and 3) smoothing a structure from motion model. These were original functions and scripts in support our our manuscript submitted to Earth Surface Dynamics. T…
View article: Rock glacier activity over Holocene to modern timescales : insight from a western alp site
Rock glacier activity over Holocene to modern timescales : insight from a western alp site Open
Active rock glaciers are among the most common cryospheric landforms in high-altitude mid-latitude mountain ranges. Over both short (years to decades) to long (centuries to millennia) time scales, their activity strongly influences the hyd…
View article: Quantification of post-glacier bedrock surface erosion in the European Alps using <sup>10</sup> Be and optically stimulated luminescence exposure dating
Quantification of post-glacier bedrock surface erosion in the European Alps using <sup>10</sup> Be and optically stimulated luminescence exposure dating Open
The retreat of glaciers since the Last Glacial Maximum in the European Alps has left an imprint on topography through various erosional processes. However, few methods are currently capable of resolving these mechanisms on Late Glacial to …
View article: Dataset: Quantification of post-glacier bedrock surface erosion in the European Alps using 10Be and optically stimulated luminescence exposure dating
Dataset: Quantification of post-glacier bedrock surface erosion in the European Alps using 10Be and optically stimulated luminescence exposure dating Open
This contains the dataset associated with the publication titled "Quantification of post-glacier bedrock surface erosion in the European Alps using 10Be and optically stimulated luminescence exposure dating" published in Earth Surface Dyna…
View article: Dataset: Quantification of post-glacier bedrock surface erosion in the European Alps using 10Be and optically stimulated luminescence exposure dating
Dataset: Quantification of post-glacier bedrock surface erosion in the European Alps using 10Be and optically stimulated luminescence exposure dating Open
This contains the dataset associated with the publication titled "Quantification of post-glacier bedrock surface erosion in the European Alps using 10Be and optically stimulated luminescence exposure dating" published in Earth Surface Dyna…
View article: Alpine rock glacier activity over Holocene to modern timescales (western French Alps)
Alpine rock glacier activity over Holocene to modern timescales (western French Alps) Open
Active rock glaciers are some of the most frequent cryospheric landforms in midlatitude high-elevation mountain ranges. Their activity strongly influences the hydrology and geomorphology of alpine environments over short (years to decades)…
View article: Reply on CC1
Reply on CC1 Open
Abstract. Active rock glaciers are some of the most frequent cryospheric landforms in midlatitude high-elevation mountain ranges. Their activity strongly influences the hydrology and geomorphology of alpine environments over short (years t…
View article: Reply on RC2
Reply on RC2 Open
Abstract. Active rock glaciers are some of the most frequent cryospheric landforms in midlatitude high-elevation mountain ranges. Their activity strongly influences the hydrology and geomorphology of alpine environments over short (years t…
View article: Reply on RC1
Reply on RC1 Open
Abstract. Active rock glaciers are some of the most frequent cryospheric landforms in midlatitude high-elevation mountain ranges. Their activity strongly influences the hydrology and geomorphology of alpine environments over short (years t…
View article: Constraining Last Glacial Maximum bedrock surface temperatures in the Western Alps using thermoluminescence paleothermometry.
Constraining Last Glacial Maximum bedrock surface temperatures in the Western Alps using thermoluminescence paleothermometry. Open
<p>Our ability to quantify past climate conditions is crucial for understanding and predicting future climate scenarios as well as landscape evolution. One of the most drastic climatic changes in Earth&#8217;s history was the Las…
View article: Comment on esurf-2022-8
Comment on esurf-2022-8 Open
Abstract. Active rock glaciers are some of the most frequent cryospheric landforms in midlatitude high-elevation mountain ranges. Their activity strongly influences the hydrology and geomorphology of alpine environments over short (years t…
View article: Quantification of post-glacier erosion in the European Alps using <sup>10</sup> Be and OSL exposure dating
Quantification of post-glacier erosion in the European Alps using <sup>10</sup> Be and OSL exposure dating Open
The retreat of glaciers since the Last Glacial Maximum (LGM) in the European Alps has left an imprint on topography through glacial and non-glacial erosional processes. However, few methods are currently capable of resolving these mechanis…
View article: Comment on esurf-2022-8
Comment on esurf-2022-8 Open
Rock glaciers are some of the most frequent cryospheric landforms in mid-latitude high-elevation mountain ranges. Their activity strongly influences alpine environments over short (years to decades) and long (centuries to millennia) timesc…
View article: Alpine rock glacier activity over Holocene to modern timescales (western French Alps)
Alpine rock glacier activity over Holocene to modern timescales (western French Alps) Open
Rock glaciers are some of the most frequent cryospheric landforms in mid-latitude high-elevation mountain ranges. Their activity strongly influences alpine environments over short (years to decades) and long (centuries to millennia) timesc…
View article: Comment on gchron-2021-5
Comment on gchron-2021-5 Open
Abstract. A new luminescence erosion meter has huge potential for inferring erosion rates on sub-millennial scales for both steady and transient states of erosion, which is not currently possible with any existing techniques capable of mea…
View article: Evaluating optically stimulated luminescence rock surface exposure dating as a novel approach for reconstructing coastal boulder movement on decadal to centennial timescales
Evaluating optically stimulated luminescence rock surface exposure dating as a novel approach for reconstructing coastal boulder movement on decadal to centennial timescales Open
Wave-transported boulders represent important records of storm and tsunami impact over geological timescales. Their use for hazard assessment requires chronological information on their displacement that in many cases cannot be achieved by…