Articles | Volume 19, issue 4
https://doi.org/10.5194/tc-19-1695-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-1695-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
25 Apr 2025
Research article |
| 25 Apr 2025
| 25 Apr 2025
Glacial ring forms on Axel Heiberg Island, Nunavut, Canada
Shannon M. Hibbard
CORRESPONDING AUTHOR
Division of Earth and Ecosystem Sciences, Desert Research Institute, Reno, Nevada 89512, USA
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91101, USA
Gordon R. Osinski
Department of Earth Sciences, University of Western Ontario, London, Ontario, N6A 5B7, Canada
Etienne Godin
Centre d'Études Nordiques, Université Laval, Québec, Québec, G1V 0A6, Canada
Chimira Andres
Lassonde School of Engineering, York University, Toronto, Ontario, M3J 1P3, Canada
Antero Kukko
UNITE Flagship, Department of Remote Sensing and Photogrammetry, Finnish Geospatial Research Institute, Espoo, Finland
Department of Built environment, Aalto University, Espoo, Finland
Shawn Chartrand
School of Environmental Science, Simon Fraser University, Burnaby, British Columbia, V5A 1S6, Canada
Anna Grau Galofre
Laboratoire de Planétologie et Géosciences, CNRS UMR 6112, Nantes, France
A. Mark Jellinek
Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, British Columbia, V6T 1Z4, Canada
Wendy Boucher
School of Graduate Studies, Trent University, Peterborough, Ontario, K9L 0G2, Canada
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Joonas Kousa, Teemu Hakala, Antero Kukko, and Harri Kaartinen
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-2-W2-2025, 101–108, https://doi.org/10.5194/isprs-annals-X-2-W2-2025-101-2025, https://doi.org/10.5194/isprs-annals-X-2-W2-2025-101-2025, 2025
Cansu Culha, Sarah Godsey, Shawn Chartrand, Melissa Lafreniere, James McNamara, and James Kirchner
EGUsphere, https://doi.org/10.5194/egusphere-2025-4275, https://doi.org/10.5194/egusphere-2025-4275, 2025
This preprint is open for discussion and under review for Hydrology and Earth System Sciences (HESS).
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We study how Arctic rivers respond to rainfall in a warming climate. We show that runoff response can increase more than 5x under wetter conditions, and Active Layer Detachments amplify water and material runoff response to rainfall. Increasing subsurface storage can reduce runoff sensitivity to rainfall. Our results inform the flashiness of rainfall-runoff predictions based on expected weather and erosion conditions.
Zuoya Liu, Harri Kaartinen, Teemu Hakala, Heikki Hyyti, Antero Kukko, Juha Hyyppa, and Ruizhi Chen
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-G-2025, 551–557, https://doi.org/10.5194/isprs-annals-X-G-2025-551-2025, https://doi.org/10.5194/isprs-annals-X-G-2025-551-2025, 2025
Tamás Faitli, Heikki Hyyti, Juha Hyyppä, Antero Kukko, and Harri Kaartinen
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-1-W4-2025, 37–42, https://doi.org/10.5194/isprs-archives-XLVIII-1-W4-2025-37-2025, https://doi.org/10.5194/isprs-archives-XLVIII-1-W4-2025-37-2025, 2025
Leena Leppänen, Antero Kukko, Aleksi Rimali, Aku Riihelä, and Priit Tisler
EGUsphere, https://doi.org/10.5194/egusphere-2025-2059, https://doi.org/10.5194/egusphere-2025-2059, 2025
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We present field measurements collected during the FINNARP 2022 expedition at the Aboa station, located in Dronning Maud Land, Antarctica. Field observations were carried out weekly at the automatic weather station site as well as at selected overpass locations of two satellites. The measurements included continuous meteorological observations from the weather station, detailed snow pit profiles, ground-based and drone-based radiation measurements, and snow surface roughness with laser scanners.
Letícia F. Castanheiro, Antonio M. G. Tommaselli, Heikki Hyyti, and Antero Kukko
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-3-2024, 57–62, https://doi.org/10.5194/isprs-archives-XLVIII-3-2024-57-2024, https://doi.org/10.5194/isprs-archives-XLVIII-3-2024-57-2024, 2024
Samuel Gagnon, Daniel Fortier, Étienne Godin, and Audrey Veillette
The Cryosphere, 18, 4743–4763, https://doi.org/10.5194/tc-18-4743-2024, https://doi.org/10.5194/tc-18-4743-2024, 2024
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Thermo-erosion gullies (TEGs) are one of the most common forms of abrupt permafrost degradation. While their inception has been examined in several studies, the processes of their stabilization remain poorly documented. For this study, we investigated two TEGs in the Canadian High Arctic. We found that, while the formation of a TEG leaves permanent geomorphological scars in landscapes, in the long term, permafrost can recover to conditions similar to those pre-dating the initial disturbance.
Mariana Batista Campos, Leticia Ferrari Castanheiro, Dipal Shah, Yunsheng Wang, Antero Kukko, and Eetu Puttonen
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-1-2024, 43–50, https://doi.org/10.5194/isprs-archives-XLVIII-1-2024-43-2024, https://doi.org/10.5194/isprs-archives-XLVIII-1-2024-43-2024, 2024
Simona F. Ruso, Anna Grau Galofre, and Gordon R. Osinski
EGUsphere, https://doi.org/10.5194/egusphere-2024-164, https://doi.org/10.5194/egusphere-2024-164, 2024
Preprint archived
Short summary
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We attempt to enhance the current diagnostic criteria for channels formed under ice sheets by applying mathematical relationships commonly used to describe the correlation between river size and discharge. Our analysis reveals a unique relationship between channel size and drainage area size, which we have interpreted to represent formation under an ice sheet. These relationships can be applied to extremely remote environments to discuss glaciation in locations with accessibility constraints.
L. F. Castanheiro, A. M. G. Tommaselli, T. A. C. Garcia, M. B. Campos, and A. Kukko
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-1-W1-2023, 71–77, https://doi.org/10.5194/isprs-archives-XLVIII-1-W1-2023-71-2023, https://doi.org/10.5194/isprs-archives-XLVIII-1-W1-2023-71-2023, 2023
T. Faitli, T. Hakala, H. Kaartinen, J. Hyyppä, and A. Kukko
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-1-W1-2023, 145–150, https://doi.org/10.5194/isprs-archives-XLVIII-1-W1-2023-145-2023, https://doi.org/10.5194/isprs-archives-XLVIII-1-W1-2023-145-2023, 2023
Shawn M. Chartrand, A. Mark Jellinek, Marwan A. Hassan, and Carles Ferrer-Boix
Earth Surf. Dynam., 11, 1–20, https://doi.org/10.5194/esurf-11-1-2023, https://doi.org/10.5194/esurf-11-1-2023, 2023
Short summary
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Rivers with alternating patterns of shallow and deep flows are commonly observed where a river widens and then narrows, respectively. But what if width changes over time? We use a lab experiment to address this question and find it is possible to decrease and then increase river width at a specific location and observe that flows deepen and then shallow consistent with expectations. Our observations can inform river restoration and climate adaptation programs that emphasize river corridors.
Shawn M. Chartrand and David Jon Furbish
Earth Surf. Dynam. Discuss., https://doi.org/10.5194/esurf-2021-16, https://doi.org/10.5194/esurf-2021-16, 2021
Preprint withdrawn
Short summary
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Sediment particles are transported along the bottom of rivers during floods. Descriptions of the transport process are commonly restricted to the strength of the water flow. In our research we use mathematical theory and data from laboratory experiments to explore whether sediment particles colliding with the river bed can help explain our observations of transport. We learn that particle collisions are likely an important component of the transport process and we offer thoughts for future work.
Terhikki Manninen, Kati Anttila, Emmihenna Jääskeläinen, Aku Riihelä, Jouni Peltoniemi, Petri Räisänen, Panu Lahtinen, Niilo Siljamo, Laura Thölix, Outi Meinander, Anna Kontu, Hanne Suokanerva, Roberta Pirazzini, Juha Suomalainen, Teemu Hakala, Sanna Kaasalainen, Harri Kaartinen, Antero Kukko, Olivier Hautecoeur, and Jean-Louis Roujean
The Cryosphere, 15, 793–820, https://doi.org/10.5194/tc-15-793-2021, https://doi.org/10.5194/tc-15-793-2021, 2021
Short summary
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The primary goal of this paper is to present a model of snow surface albedo (brightness) accounting for small-scale surface roughness effects. It can be combined with any volume scattering model. The results indicate that surface roughness may decrease the albedo by about 1–3 % in midwinter and even more than 10 % during the late melting season. The effect is largest for low solar zenith angle values and lower bulk snow albedo values.
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Short summary
This study investigates enigmatic ring forms found on Axel Heiberg Island (Umingmat Nunaat) in Nunavut, Canada. These ring forms comprised a series of ridges and troughs creating individual rings or brain-like patterns. We aim to identify how they form and assess the past climate conditions necessary for their formation. We use surface and subsurface observations and comparisons to other periglacial and glacial ring forms to infer a formation mechanism and propose a glacial origin.
This study investigates enigmatic ring forms found on Axel Heiberg Island (Umingmat Nunaat) in...
