Articles | Volume 16, issue 5
https://doi.org/10.5194/tc-16-1845-2022
https://doi.org/10.5194/tc-16-1845-2022
Research article
 | 
17 May 2022
Research article |  | 17 May 2022

Towards accurate quantification of ice content in permafrost of the Central Andes – Part 1: Geophysics-based estimates from three different regions

Christin Hilbich, Christian Hauck, Coline Mollaret, Pablo Wainstein, and Lukas U. Arenson

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Cited articles

Archie, G. E.: The Electrical Resistivity Log as an Aid in Determining Some Reservoir Characteristics., Pet. Trans. AIME, 146, 54–62, 1942. 
Arenson, L. U. and Jakob, M.: The significance of rock glaciers in the dry Andes – A discussion of Azócar and Brenning (2010) and Brenning and Azócar (2010), Permafrost Periglac., 21, 282–285, https://doi.org/10.1002/ppp.693, 2010. 
Arenson, L. U. and Springman, S. M.: Triaxial constant stress and constant strain rate tests on ice-rich permafrost samples, Can. Geotech. J., 42, 412–430, https://doi.org/10.1139/t04-111, 2005. 
Arenson, L. U., Pastore, S., Trombotto Liaudat, D., Bolling, S., Quiroz, M. A., and Ochoa, X. L.: Characteristics of two Rock Glaciers in the Dry Argentinean Andes Based on Initial Surface Investigations, Geo 2010 – Proceedings 62nd Can. Geotech. Conf., Calgary, AB, 12–16 September, 20101996, 1501–1508, 2010. 
Arenson, L. U., Jakob, M., and Wainstein, P. A.: Hydrological contribution from degrading permafrost and rock glaciers in the northern Argentinian Andes, Mine Water Solutions in Extreme Environments, Lima, Peru, 15–17 April, 171–181, 2013. 
Short summary
In view of water scarcity in the Andes, the significance of permafrost as a future water resource is often debated focusing on satellite-detected features such as rock glaciers. We present data from > 50 geophysical surveys in Chile and Argentina to quantify the ground ice volume stored in various permafrost landforms, showing that not only rock glacier but also non-rock-glacier permafrost contains significant ground ice volumes and is relevant when assessing the hydrological role of permafrost.