Articles | Volume 17, issue 4
https://doi.org/10.5194/tc-17-1567-2023
https://doi.org/10.5194/tc-17-1567-2023
Research article
 | 
11 Apr 2023
Research article |  | 11 Apr 2023

Climatic control on seasonal variations in mountain glacier surface velocity

Ugo Nanni, Dirk Scherler, Francois Ayoub, Romain Millan, Frederic Herman, and Jean-Philippe Avouac

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Cited articles

Aati, S.: Geospatial COSI-Corr 3d: https://github.com/SaifAati, last access: 3 April 2023. 
Aizen, V. B.: Pamir glaciers, Encyclopedia of snow, ice and glaciers, https://www.researchgate.net/publication/233731981_Pamir_glaciers (last access: 3 April 2023), 813–815, 2011. 
Altena, B. and Kääb, A.: Weekly glacier flow estimation from dense satellite time series using adapted optical flow technology, Front. Earth Sci., 5, 53, https://doi.org/10.3389/feart.2017.00053, 2017. 
Altena, B., Scambos, T., Fahnestock, M., and Kääb, A.: Extracting recent short-term glacier velocity evolution over southern Alaska and the Yukon from a large collection of Landsat data, The Cryosphere, 13, 795–814, https://doi.org/10.5194/tc-13-795-2019, 2019. 
Armstrong, W., Anderson, R., Allen, J., and Rajaram, H.: Modeling the WorldView-derived seasonal velocity evolution of Kennicott Glacier, Alaska, J. Glaciol., 62, 763–777, https://doi.org/10.1017/jog.2016.66, 2016. 
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Short summary
Surface melt is a major factor driving glacier movement. Using satellite images, we have tracked the movements of 38 glaciers in the Pamirs over 7 years, capturing their responses to rapid meteorological changes with unprecedented resolution. We show that in spring, glacier accelerations propagate upglacier, while in autumn, they propagate downglacier – all resulting from changes in meltwater input. This provides critical insights into the interplay between surface melt and glacier movement.