Landscapes Live
EGU-GM Online Seminars in Geomorphology
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Landscapes Live is a weekly online seminar series freely accessible to the international scientific community interested in various aspects of geomorphology. Our talks take place on Zoom every Thursday, starting at 4pm time of Paris/Berlin/Amsterdam. Check your local time here.
Landscapes Live is affiliated to the Geomorphology (GM) division of EGU and contribute to develop its virtual activities. Indeed, EGU is pioneering a new CampFire concept to bring together the geoscience community in between General Assemblies. We hope that this helps us in our transition to a greener future and ensure that our community better serve the needs of all scientists regardless of international mobility.
Seminar schedule for Fall 2025
Seminar schedule for Fall 2025
Thursday, 4 December 2025 at 16:00 CEST
Thursday, 4 December 2025 at 16:00 CEST
https://gfz-de.zoom-x.de/meeting/register/94YLJJBST9CgOxxx1D8G0Q
Flows across boundaries: Transport dynamics in shifting landscapes
Flows across boundaries: Transport dynamics in shifting landscapes
Geomorphic transitions—such as the interface between rivers and floodplains—are critical zones controlling water, sediment, and nutrient transport. In this talk, I examine flux exchanges across these transitions through the lens of connectivity and its variability in space and time. Using the Wax Lake Delta in coastal Louisiana as a testbed, we integrate field observations, numerical modeling, and remote sensing (Delta-X mission) to quantify channel–wetland connectivity. Results show that about 50% of channel discharge enters wetlands, with connectivity strongly modulated by seasonal changes in discharge and vegetation: high in spring, low in summer. Sediment connectivity patterns show that sediment into islands scales mainly with discharge and that mud is retained in islands.
We then scale this analysis to global river deltas in the context of the Surface Water and Ocean Topography (SWOT) mission. Leveraging DeepWaterMap water mask extraction, RivGraph-based network extraction, and graph-theoretic approaches, we estimate discharge partitioning along delta networks. We extend these methods to sediment and solute fluxes using particle tracking and first-order removal models. We are currently incorporating SWOT pixel cloud data to estimate channel-wetland connectivity and account for leakiness.
By combining multi-scale observations with network-based modeling, this work advances our ability to quantify connectivity across geomorphic boundaries and predict how coastal landscapes respond to hydrologic and ecological drivers. These insights are critical for understanding delta resilience and guiding management under climate change and human interventions.
Past seminars, Fall 2025
Past seminars, Fall 2025
Thursday, 27 November 2025 at 16:00 CEST
Thursday, 27 November 2025 at 16:00 CEST
Glaciations impact on mountain range evolution at the short (ka) and long (Ma) time scales - insight from the Alps and the Tien Shan
Glaciations impact on mountain range evolution at the short (ka) and long (Ma) time scales - insight from the Alps and the Tien Shan
Mountain landscapes evolve through the combined influence of tectonic and climatic processes, with glaciations playing a key role in shaping topography and driving sediment erosion over both short (ka) and long (Ma) timescales. However, quantifying the extent of glacial influence remains a challenge, as the relative contributions of climate and tectonics to denudation rates vary across time scales and different mountain ranges.
On short timescales, evidence from the French Alps reveals a nuanced climatic imprint. In-situ cosmogenic ¹⁰Be from offshore sediment cores provides a continuous 70 ka denudation record for the Var catchment, revealing broadly stable erosion rates despite pronounced climate fluctuations. Only during the Last Glacial Maximum (26–19 ka) do sharply lower ¹⁰Be concentrations indicate a brief but substantial increase in erosion, suggesting that only the most extensive glacial advances triggered a strong catchment-wide response.
Over million-year timescales, however, glaciations exert a much more sustained and transformative impact in the Kyrgyz Tien Shan. Low-temperature thermochronology from multiple elevation profiles shows a marked increase in exhumation rates over the past ~3 Ma, coincident with the onset of major Pleistocene glaciations. New (U–Th–Sm)/He apatite ages from the Ala Archa and Enilcheck valleys record accelerated cooling between 0 and 3 Ma, and 3D thermal modelling attributes this signal to intensified valley incision rather than changes in tectonic uplift. The fact that this incision signal appears across valleys with different tectonic settings underscores the dominance of climate-driven glacial erosion, capable of overprinting local tectonic variability.
Together, these findings reveal the contrasting footprint of glaciation across temporal scales: Alpine denudation responds strongly only during major glacial maxima, whereas long-term exhumation in the Tien Shan is closely tied to the cumulative effects of repeated Pleistocene glaciations. This highlights both the complexity of glacial erosion and the need for multi-proxy approaches to disentangle climatic and tectonic controls on mountain evolution.
Thursday, 20 November 2025 at 16:00 CEST
Thursday, 20 November 2025 at 16:00 CEST
Sediment Transport and Flood Risk in Mountain Rivers
Now on LL's Youtube page: https://youtu.be/oRWuKuMw-Tg
Thursday, 13 November 2025 at 16:00 CEST
Thursday, 13 November 2025 at 16:00 CEST
Forest-landscape dynamics: Terrestrial Laser Scanning connects forest structure and landscape form in three dimensions
Now on LL's Youtube page: https://www.youtube.com/watch?v=Q4dVlCIhW_M
Thursday, 6 November 2025 at 16:00 CEST
Thursday, 6 November 2025 at 16:00 CEST
Vanessa Gabel (Bureau of Reclamation, USA)
Vanessa Gabel (Bureau of Reclamation, USA)
Cancelled
Thursday, 30 October 2025 at 16:00 CEST
Thursday, 30 October 2025 at 16:00 CEST
River system origins, evolution, and response to our rapidly changing world
River system origins, evolution, and response to our rapidly changing world
Now on LL's Youtube page: https://youtu.be/0wQLtauN-yY
Thursday, 23 October 2025 at 16:00 CEST
Thursday, 23 October 2025 at 16:00 CEST
Land is mostly diffusive and eroding: global studies of source-to-sink and geomorphic process domains
Land is mostly diffusive and eroding: global studies of source-to-sink and geomorphic process domains
Now on LL's Youtube page: https://youtu.be/ue3RL1E4fx8?si=1vwTc40Y1385ZQez
Thursday, 16 October 2025 at 16:00 CEST
Thursday, 16 October 2025 at 16:00 CEST
Reading the message (in the sediment) in the bottle
Reading the message (in the sediment) in the bottle
Now on LL's Youtube page: https://youtu.be/kr-T-Xoxp_4
Past seminars, Spring 2025
Past seminars, Spring 2025
Thursday, 26 June 2025 at 16:00 CEST
Thursday, 26 June 2025 at 16:00 CEST
Zhiwei Xu (Nanjing University, China)
Zhiwei Xu (Nanjing University, China)
Complex Processes and Nonlinear Evolution of Aeolian Landscapes in Response to Climate Change
Complex Processes and Nonlinear Evolution of Aeolian Landscapes in Response to Climate Change
Now on LL's Youtube page: https://youtu.be/9mhf-bTdLJQ
Thursday, 19 June 2025 at 16:00 CEST
Thursday, 19 June 2025 at 16:00 CEST
Andrew Gunn (Monash University, Australia)
Andrew Gunn (Monash University, Australia)
Climate expressed in aeolian landscapes
Climate expressed in aeolian landscapes
Now on LL's YouTube page: https://youtu.be/5Nkqr8kwiV0
Thursday, 12 June 2025 at 16:00 CEST
Thursday, 12 June 2025 at 16:00 CEST
Joel Wilner (Dartmouth College, United States)
Joel Wilner (Dartmouth College, United States)
Erosion showdown: glacial vs. fluvial erosion rates and the limits to timescale-dependence
Erosion showdown: glacial vs. fluvial erosion rates and the limits to timescale-dependence
Now on LL's YouTube page: https://youtu.be/N_YPXZNKMqo
Thursday, 5 June 2025 at 16:00 CEST
Thursday, 5 June 2025 at 16:00 CEST
Dan Parsons (Loughborough University, United Kingdom)
Dan Parsons (Loughborough University, United Kingdom)
The evolution of flood hazard and risk: the impact of morphological change
The evolution of flood hazard and risk: the impact of morphological change
Now on LL's Youtube page: https://youtu.be/jS8iLNkPqbA
Thursday, 29 May 2025 at 16:00 CEST
Thursday, 29 May 2025 at 16:00 CEST
Lucy Clarke (Nottingham Trent University, UK)
Lucy Clarke (Nottingham Trent University, UK)
Reflections on success in academia
Reflections on success in academia
Now on LL's Youtube page: https://www.youtube.com/watch?v=lfQbh_p3G2c
Thursday, 22 May 2025 at 16:00 CEST
Thursday, 22 May 2025 at 16:00 CEST
Jingtao Lai (University of Glasgow, United Kingdom)
Jingtao Lai (University of Glasgow, United Kingdom)
Landscape transience and response times in glaciated mountain ranges
Landscape transience and response times in glaciated mountain ranges
Now on LL's Youtube page: https://youtu.be/OTfcbym7WJ8
Thursday, 15 May 2025 at 16:00 CEST
Thursday, 15 May 2025 at 16:00 CEST
Audrey Margirier (University of Lausanne & University of Grenoble Alpes)
Audrey Margirier (University of Lausanne & University of Grenoble Alpes)
Constraining sediment transport and relief evolution with luminescence dating and low-temperature thermochronology
Constraining sediment transport and relief evolution with luminescence dating and low-temperature thermochronology
Now on LL's Youtube page: https://youtu.be/siHkjx2B9rk?feature=shared
Thursday, 8 May 2025 at 16:00 CEST
Thursday, 8 May 2025 at 16:00 CEST
Jaap Nienhuis (Utrecht University, Netherlands)
Jaap Nienhuis (Utrecht University, Netherlands)
Global Delta Morphodynamics: why and how?
Global Delta Morphodynamics: why and how?
Now on LL's Youtube page: https://youtu.be/qpmlqcnkMrs
Thursday, 24 April 2025 at 16:00 CEST
Thursday, 24 April 2025 at 16:00 CEST
Sinéad Lyster (Pennsylvania State University)
Sinéad Lyster (Pennsylvania State University)
The impact of vegetation on delta landscapes and stratigraphy: Insights from physical experiments
The impact of vegetation on delta landscapes and stratigraphy: Insights from physical experiments
Presentation now on LL's Youtube page: https://www.youtube.com/watch?v=1xGKVL-2HMc
Thursday, 17 April 2025 at 16:00 CEST
Thursday, 17 April 2025 at 16:00 CEST
Yaquan Chang (ETH Zurich, Switzerland)
Yaquan Chang (ETH Zurich, Switzerland)
Tectono-geomorphic controls on plant biodiversity of the Hengduan Mountains
Tectono-geomorphic controls on plant biodiversity of the Hengduan Mountains
Presentation now on LL's Youtube page: https://youtu.be/4-3VU0iVf6s
Thursday, 10 April 2025 at 16:00 CEST
Thursday, 10 April 2025 at 16:00 CEST
Julia Cisneros (Virginia Tech, USA)
Julia Cisneros (Virginia Tech, USA)
Shaped by Nature: Bedforms as Windows into Environmental Systems
Shaped by Nature: Bedforms as Windows into Environmental Systems
Talk is now on LL's Youtube channel: https://youtu.be/6uOiu98vCjM
Thursday, 3 April 2025 at 16:00 CEST
Thursday, 3 April 2025 at 16:00 CEST
Victor Sacek (Universidade de São Paulo, Brazil)
Victor Sacek (Universidade de São Paulo, Brazil)
Andean geodynamics and the landscape evolution in Amazonia
Andean geodynamics and the landscape evolution in Amazonia
Talk is now on LL's Youtube channel: https://youtu.be/b44ScdIBVEg
Thursday, 20 March 2025 at 16:00 CET
Thursday, 20 March 2025 at 16:00 CET
James Gearon (Indiana University Bloomington, USA)
James Gearon (Indiana University Bloomington, USA)
How River Avulsion Works
How River Avulsion Works
Talk is now LL's Youtube channel: https://youtu.be/wNDyq7YB30c
Thursday, 13 March 2025 at 16:00 CET
Thursday, 13 March 2025 at 16:00 CET
Paul Bierman (University of Vermont, USA)
Paul Bierman (University of Vermont, USA)
A landscape under the ice: Camp Century, Greenland
A landscape under the ice: Camp Century, Greenland
Talk is now on LL's Youtube channel: https://youtu.be/62_9NHPdC54
Past seminars, Fall 2024
Past seminars, Fall 2024
Thursday, 05 December 2024 at 16:00 CET
Thursday, 05 December 2024 at 16:00 CET
Edward Rhodes (University of Sheffield, U.K.)
Edward Rhodes (University of Sheffield, U.K.)
Developing luminescence chronologies for active tectonic regions
Developing luminescence chronologies for active tectonic regions
Talk is now on LL's Youtube channel: https://www.youtube.com/watch?v=FI1YMtZ4W14
Thursday, 28 November 2024 at 16:00 CET
Thursday, 28 November 2024 at 16:00 CET
Lindsay Schoenbohm (University of Toronto, Canada)
Lindsay Schoenbohm (University of Toronto, Canada)
Rocks Matter: why it is important to consider lithologic resistance to erosion in landscape evolution
Rocks Matter: why it is important to consider lithologic resistance to erosion in landscape evolution
Talk is now on LL's Youtube channel: https://www.youtube.com/watch?v=OwU2C26c4Nc
Thursday, 7 November 2024 at 16:00 CET
Thursday, 7 November 2024 at 16:00 CET
Victoria Milanez Fernandes (GFZ, Germany)
Victoria Milanez Fernandes (GFZ, Germany)
Pleistocene landscape evolution above the Patagonian Slab window
Pleistocene landscape evolution above the Patagonian Slab window
Talk is now on LL's Youtube channel: https://www.youtube.com/watch?v=dCzNCwaOdrI
Thursday, 31 October 2024 at 16:00 CEST
Thursday, 31 October 2024 at 16:00 CEST
Tancrède Leger (University of Lausanne, Switzerland)
Tancrède Leger (University of Lausanne, Switzerland)
A data-consistent model of the last glaciation in the Alps achieved with physics-driven AI
A data-consistent model of the last glaciation in the Alps achieved with physics-driven AI
Talk is now on LL's Youtube channel: https://www.youtube.com/watch?v=TZpbp5doAIk
Thursday, 24 October 2024 at 16:00 CEST
Thursday, 24 October 2024 at 16:00 CEST
Aurélie Davranche (University of Helsinki, Finland; University of Angers, France)
Aurélie Davranche (University of Helsinki, Finland; University of Angers, France)
From field to space: multisource data to show how a nature based management can help to cope for sea level rise in the Mediterranean area
From field to space: multisource data to show how a nature based management can help to cope for sea level rise in the Mediterranean area
Talk is now on LL's Youtube channel: https://www.youtube.com/watch?v=41Weju45g0w
Thursday, 17 October 2024 at 16:00 CEST
Thursday, 17 October 2024 at 16:00 CEST
Gareth Roberts (Imperial College London, UK)
Gareth Roberts (Imperial College London, UK)
Embracing scale and erosional randomness to understand landscape evolution
Embracing scale and erosional randomness to understand landscape evolution
Talk is now on LL's Youtube channel: https://youtu.be/duqckTHGtI4
Thursday, 10 October 2024 at 16:00 CEST
Thursday, 10 October 2024 at 16:00 CEST
Jérôme Lavé (CNRS, CRPG Nancy, France)
Jérôme Lavé (CNRS, CRPG Nancy, France)
Giant collapses of high Himalayan peaks and their implications on the Himalayan landscapes
Giant collapses of high Himalayan peaks and their implications on the Himalayan landscapes
Talk is now on LL's YouTube channel: https://youtu.be/1pE68ZXTJ1A
Thursday, 3 October 2024 at 16:00 CEST
Thursday, 3 October 2024 at 16:00 CEST
Eric Barefoot (University of California Riverside, USA)
Eric Barefoot (University of California Riverside, USA)
Experimental Constraints on the Morphology of Canyons Formed by Crater Overtopping
Experimental Constraints on the Morphology of Canyons Formed by Crater Overtopping
Talk is now on LL's YouTube channel: https://youtu.be/WPZamy_EyS8?feature=shared
Thursday, 6 June 2024 at 16:00 CEST
Thursday, 6 June 2024 at 16:00 CEST
Nakul Deshpande (NC State University, USA)
Nakul Deshpande (NC State University, USA)
The Perpetual Fragility of Creeping Hillslopes
The Perpetual Fragility of Creeping Hillslopes
Talk is now on LL's YouTube channel: https://youtu.be/JuRl9coHMIo
Thursday, 28 March 2024 at 16:00 CET
Thursday, 28 March 2024 at 16:00 CET
Katy Burrows (ESA)
Katy Burrows (ESA)
Resolving the impacts of earthquakes, storms, and prolonged rainfall on shallow landsliding
Talk is now on LL's YouTube channel: https://www.youtube.com/watch?v=72yxOMXzfNs
Thursday, 4 April 2024 at 16:00 CEST
Thursday, 4 April 2024 at 16:00 CEST
Albert Cabré (GET, Geoscience Environment Toulouse, France)
Albert Cabré (GET, Geoscience Environment Toulouse, France)
Geomorphic work of recent episodic rainstorm events in arid landscapes: examples from the Atacama Desert
Geomorphic work of recent episodic rainstorm events in arid landscapes: examples from the Atacama Desert
Talk is now on LL's YouTube channel: https://www.youtube.com/watch?v=uKF473Pv1No
Thursday, 11 April 2024 at 16:00 CEST
Thursday, 11 April 2024 at 16:00 CEST
Scott Jess (Washington State University, USA)
Scott Jess (Washington State University, USA)
The ups and downs of extensional tectonics
The ups and downs of extensional tectonics
Talk is now on LL's YouTube channel: https://www.youtube.com/watch?v=SQQFXh5aYIw
Thursday, 2 May 2024 at 16:00 CEST
Thursday, 2 May 2024 at 16:00 CEST
Danica Roth (Colorado School of Mines, USA)
Danica Roth (Colorado School of Mines, USA)
Unveiling nonlocal landscape dynamics: exploring hillslope processes beyond the diffusive paradigm
Unveiling nonlocal landscape dynamics: exploring hillslope processes beyond the diffusive paradigm
Talk is now on LL's YouTube channel: https://youtu.be/VJcZBe6thqQ
Thursday, 9 May 2024 at 16:00 CEST
Thursday, 9 May 2024 at 16:00 CEST
Sam Woor (University of British Columbia & University of the Fraser Valley, Canada)
Sam Woor (University of British Columbia & University of the Fraser Valley, Canada)
Illuminating landscape responses to Quaternary climate change with luminescence
Illuminating landscape responses to Quaternary climate change with luminescence
Talk is now on LL's YouTube channel: https://www.youtube.com/watch?v=pDmnPb-FiLA
Thursday, 16 May 2024 at 16:00 CEST
Thursday, 16 May 2024 at 16:00 CEST
Virginia Ruiz-Villanueva (University of Lausanne & University of Bern, Switzerland)
Virginia Ruiz-Villanueva (University of Lausanne & University of Bern, Switzerland)
Quantifying and monitoring instream large wood supply and transfer in rivers
Quantifying and monitoring instream large wood supply and transfer in rivers
Talk is now on LL's YouTube channel: https://www.youtube.com/watch?v=38oT5MwHgX4
Thursday, 23 May 2024 at 16:00 CEST
Thursday, 23 May 2024 at 16:00 CEST
Claire Masteller (Washington University in St. Louis, USA)
Claire Masteller (Washington University in St. Louis, USA)
Wiggles in width: Insights into alluvial channel dynamics from variability in high-resolution downstream hydraulic geometry
Talk is now on LL's YouTube channel: https://www.youtube.com/watch?v=BMizP1choAE
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