Spatial distribution of active and inactive rock glaciers and protalus ramparts in a sector of the Central Andes of Argentina

C.D. Villarroel, A.P. Forte

Abstract


Rock glaciers and protalus ramparts are two of the main morphological features of the Central Andes in the Province of San Juan, Argentina. This sector of the Andes has one of the highest densities of occurrence of rock glaciers in the world. In this region, which has semiarid climatic characteristics, the presence of these landforms is important due to their solid state water reserves and as water resource regulators. Their occurrence is vital in several basins where, due to the lack of glaciers, debris-covered glaciers and perennial snow patches, rock glaciers are the only solid-state water reserves. However, the topo-climatic factors controlling the development and evolution of rock glaciers and protalus ramparts are not well known, which prevents an integrated management of the basins. This contribution, first, analyzes the spatial distribution of active and inactive rock glaciers and of protalus ramparts with respect to different topographic variables in the upper section of the Santa Cruz River basin. In total, 375 landforms have been inventoried, out of which 83 are active rock glaciers, 81 are inactive and 211 are protalus ramparts, covering an area of 13.09 km2 (3.03 % of the total area). The active periglacial environment belt occurs between 4000 and 4200 m a.s.l. and slopes with a southwesterly aspect have a greater development of active rock glaciers. Secondly, the evolution of such landforms is addressed. While the development of protalus ramparts does not seem to be mainly controlled by the topographic variables analyzed, the evolution of protalus ramparts in rock glaciers would be mainly controlled by elevation and aspect. Besides, there are local topo-climatic factors that contribute to the development of such landforms.


Keywords


periglacial environment; rock glacier; protalus rampart; Central Andes

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References


Aguado, C.J. 1983. Comparación del inventario de glaciares de la cuenca del río de Los Patos con otros inventarios de los Andes Centrales de Argentina, con énfasis en glaciares de escombros. In: Actas de la primera reunión del grupo periglacial Argentino, Vol. 1, Mendoza, pp. 3-87.

Alvarez, P.P., Ramos, V.A. 1999. The Mercedario rift system in the Principal Cordillera of Argentina and Chile (32º SL). Journal of South American Earth Sciences 12, 17-31.

Arenson, LU., Pastore, S., Trombotto, D., Bölling, S., Quiroz, M.A., Ochoa, X.L. 2010. Characteristics of two Rock Glaciers in the arid Argentinean Andes based on initial surface investigations. In: Proceedings of the 63rd Canadian Geotechnical Conference / 6th Canadian Permafrost Conference.

Azócar, G.F., Brenning, A., Bodin, X. 2016. Permafrost Distribution Modeling in the Semi-Arid Chilean Andes, The Cryosphere Discussion. https://doi.org/10.5194/tc-2016-100.

Barsch, D. 1977. Eine Abschätzung von Schuttproduktion und Schuttransport in Bereich aktiver blockgletscher der Schweizer Alpen. Zeitschrift for Geomorphologie 28, 148-160.

Barsch, D. 1992. Permafrost creep and rock glaciers. Permafrost and Periglacial Processes 3 (3), 175-188.

Barsch, D. 1996. Rockglaciers. Indicators for the present and former geoecology in high mountain environments, Springer. Vol. 16, 331 pp.

Bolius, D., Schwikowski M., Jenk T., Gäggeler H. W., Casassa G., Rivera, A. 2006. A first shallow firn-core record from Glaciar La Ollada, Cerro Mercedario, central Argentine Andes. Annals of Glaciology 43, 14-22.

Bottero, R. 2002. Inventario de glaciares de Mendoza y San Juan. In: D. Trombotto, R. Villalba (Eds.), IANIGLA, 30 años de investigacion básica y aplicada en ciencias ambientales, Mendoza, pp 165-169.

Brenning, A., Grasser, M., Friend, D. 2007. Statistical estimation and generalized additive modeling of rock glacier distribution in the San Juan Mountains, Colorado, USA. Journal of Geophysical Research - Earth Surface 112, F02S15.

Corripio, J., Purves R., Rivera, A. 2007. Modeling climate-change impacts on mountain glaciers and water resources in the Central Dry Andes. Darkening Peaks: Glacier Retreat, Science and Society. University of California Press, pp. 126-135.

Corte, A.E., Espizua, L.E. 1981. Inventario de glaciares de la cuenca del río Mendoza. IANIGLA-CONICET, Mendoza.

Cristallini, E.O., Ramos, V.A. 2000. Thick-skinned and thin-skinned thrusting in the La Ramada fold and thrust belt: crustal evolution of the High Andes of San Juan, Argentina (32º SL). Tectonophysics 317, 205-235.

Croce, F., Milana, J.P. 2002. Internal structure and behaviour of a rock glacier in the arid Andes of Argentina. Permafrost and Periglacial Processes 13, 289-299.

Esper Angillieri, M.Y. 2009. A preliminary inventory of rock glaciers at 30°S latitude, Cordillera Frontal of San Juan, Argentina. Quaternary International 195, 151-157.

Forte, A.P., Villarroel, C. 2015. Distribución altitudinal de diferentes tipos de glaciares de escombros y crioformas periglaciales. Cuenca del río Frío, San Juan, Argentina. In: Actas XIV Congreso Geológico Chileno, Coquimbo.

Forte, A.P., Güell, A.E., Villarroel, C.D. 2013. Tomografía sísmica en glaciares de escombros en las nacientes del arroyo Los Patos Norte. Calingasta, San Juan, Argentina. Bollettino di Geofisica Teorica ed Applicata 25, 263-265.

Forte, A.P., Villarroel, C.D. 2016a. Preliminary modeling of mountain permafrost on La Ramada Range. Central Andes, San Juan, Argentina. In: F. Günther, A. Morgenstern (Eds.), XI. International Conference On Permafrost – Book of Abstracts, Potsdam.

Forte, A.P., Villarroel, C.D., Esper Angillieri, M.Y. 2016b. Impact of natural parameters on rock glacier development and conservation in subtropical mountain ranges. Northern sector of the Argentine Central Andes, The Cryosphere Discussion. https://doi.org/10.5194/tc-2016-232. In review.

Funk, M., Hoelzle, M. 1992. Application of a Potencial Direct Solar radiation model for investigating ocurrences of mountain permafrost. Permafrost and Periglacial Processes 3 (2), 139-142.

Haeberli, W. 1985. Creep of mountain permafrost; internal structure and flow of alpine rock glaciers. Mitteilugen der Versuchsanstalt fur Wassenbau Hydrologie and Glaziologie 77, 142 pp.

Haeberli, W., Hallet, B., Arenson, L., Elconin, R., Humlum, O., Kääb, A., Kaufmann, V., Ladanyi, B., Matsuoka, N., Springman, S., Vonder Mühll, D. 2006. Permafrost creep and rock glacier dynamics. Permafrost and Periglacial Processes 17, 189-214.

Humlum, O. 1998. The climatic significance of rock glaciers. Permafrost and Periglacial Processes 9, 375-395.

Ikeda, A., Matsuoka, N. 2006. Pebbly versus bouldery rock glaciers: Morphology, structure and processes. Geomorphology 73 (3-4), 279-296.

Jenk, T., Graesslin-Ciric, A., Tobler, L., Gäggeler, H., Morgenstern, U., Casassa, G., Lüthi, M., Schmitt, J., Eichler, A., Schwikowski, M. 2015. The Mercedario ice core - an excellent archive for ENSO reconstruction. EGU General Assembly, Abstracts, 385 Vienna.

Kozlowski, E., Manceda, R., Ramos, V.A. 1993. Estructura. In: V.A. Ramos (Ed.), Geología y recursos naturales de Mendoza. 12° Congreso Geológico Argentino y 2° Congreso Exploración de Hidrocarburos, Mendoza, pp. 235-256.

Leiva, J.C., Cabrera, G.A., Lenzano, L.E. 2007. 20 years of mass balances on the Piloto glacier, Las Cuevas river basin, Mendoza, Argentine. Global and Planetary Change 59, 10-16. https://doi.org/10.1016/j.gloplacha.2006.11.018.

Lliboutry, L. 1998. Glaciers of Chile and Argentina. In: R.S. Williams, J.G. Ferrigno, (Eds.), Satellite Image Atlas of Glaciers of the World: South America. USGS Professional Paper 1386-I, Online version 1.02.

Manceda, R., Figueroa, D. 1995. Inversion of the Mesozoic Neuquén rift in the Malargüe fold-thrust belt, Mendoza, Argentina. In: A.J. Tankard, R. Suárez, H.J. Welsink (Eds.), Petroleum Basins of South America. American Association of Petroleum Geologists, Memoir 62, 369-382.

Masiokas, M., Villalba, R., Luckman, B., Le Quesne, C., Aravena. J.C. 2006. Snowpack variations in the Central Andes of Argentina and Chile, 1951-2005: Large-scale atmospheric influences and implications for water resources in the region. Journal of Climate 19, 6334-6352.

Masiokas, M.H., Christie, D.A., Le Quesne, C. 2016. Reconstructing the annual mass balance of the Echaurren Norte glacier (Central Andes, 33.5° S) using local and regional hydroclimatic data. The Cryosphere 10 (2), 927-940. https://doi.org/10.5194/tc-10-927-2016.

Martini, M.A., Strelin, J.A., Astini, R.A. 2013. Inventario y caracterización morfoclimática de los glaciares de roca en la Cordillera Oriental argentina (entre 22° y 25° S). Revista Mexicana de Ciencias Geológicas 30 (3), 569-581.

Perucca, L., Esper Angillieri, M.Y. 2008. A preliminary inventory of periglacial landforms in the Andes of La Rioja and San Juan, Argentina, at about 28°S. Quaternary International 190, 171-179.

Perucca, L.P., Ésper Angillieri, M.Y., Martos, L. 2011. Inventario de glaciares de escombros en el área del Proyecto El Carmen, Andes Áridos de San Juan. In: Actas XVIII Congreso Geológico Argentino, Neuquén, pp. 1284-1285.

Ramos, V.A. 1985. El Mesozoico de la Alta Cordillera de Mendoza: reconstrucción tectónica de sus facies, Argentina. In: 6º Congreso Geológico Chileno, Actas 1 (2), pp. 104-118, Antofagasta.

Ramos, V.A., Aguirre-Urreta, M.B., Álvarez, P.P., Cegarra, M., Cristallini, E.O., Kay, S.M., Lo Forte, G.L., Pereyra, F., Pérez, D. 1996. Geología de la región del Aconcagua, provincia de San Juan y Mendoza. Subsecretaría de Minería de la Nación. Dirección Nacional del Servicio Geológico, Anales 24, 1-510.

Scapozza, C., Lambiel, C., Baron, L., Marescot, L., Reynard, E. 2011. Internal structure and permafrost distribution in two alpine periglacial talus slopes, Valais, Swiss Alps. Geomorphology 132, 208-221.

Scholl, K.H. 2002. Mapeo geomorfológico del piso periglacial en los Andes Semiáridos. In: D. Trombotto, R. Villalba (Eds.), IANIGLA, 30 años de investigación básica y aplicada en Ciencias Ambientales, Mendoza, pp. 89-92.

Schrott, L. 1991, Global solar radiation, soil temperature and permafrost in the Central Andes, Argentina: a progress report. Permafrost and Periglacial Processes 2 (1), 59-66.

Schrott, L. 1996. Some geomorphological-hydrological aspects of rock glaciers in the Andes (San Juan, Argentina). Zeitschrift Für Geomorphologie, Suplementband 104, 161-173.

Strecker, M., Alonso, R., Bookhagen, B., Carrapa, B., Hilley, G., Sobel, E., Trauth, M. 2007. Tectonics and climate of the Southern Central Andes, Annual Review of Earth and Planetary Sciences 35 (1), 747-787.

Tapia Baldis, C.C., Trombotto Liaudat, D. 2015. Cinturones altitudinales criógenicos en la cuenca del río Bramadero, San Juan, Argentina. Acta Geológica Lilloana 27 (2), 146-158.

Tapia Baldis, C.C., Trombotto Liaudat, D., Villarroel, C., Otero, F. 2016 Modelling of mean annual air temperature (1979-2010) for the study of mountain permafrost in the SW of San Juan. In: F. Günther, A. Morgenster (Eds.), XI International Conference On Permafrost – Book of Abstracts Potsdam.

Trombotto, D., Buk. E., Hernández, J. 1997. Monitoring of mountain permafrost in the Central Andes, Cordón del Plata, Mendoza, Argentina. Permafrost and Periglacial Processes 8, 123-129.

Trombotto, D., Buk., E., Hernández, J. 1999. Rock glaciers in the Southern Central Andes (app. 331 S.L.) Mendoza, Argentina: a review. Bamberger Geographische Schriften 19, 145-173.

Trombotto Liaudat D., Lenzano M.G., Castro M. 2012. Inventory and monitoring of rock glaciers and cryogenic processes in the Central Andes of Mendoza, Argentina: Birth and extinction of a periglacial lake. In: Tenth International Conference on Permafrost –Proceedings. Salekhard, 419-425.

Villarroel, C.D., Forte, A.P., Tapia Baldis, C. 2016. Permafrost detection through the use of geophysical methods in the Blanco River Basin, San Juan, Argentinia. In F. Hünther, A. Morgenstern (Eds.), XI International Conference On Permafrost – Book of Abstracts, Bibliothek Wissenschaftspark Albert Einstein, Postdam.

Wahrhaftig, C., Cox, A. 1959, Rock glaciers in the Alaska Range. Bulletin of the Geological Society America 70, 383-436.

Yrigoyen, M.R. 1972. Cordillera Principal. In: A.F. Leanza (Ed.), Geología Regional Argentina. Academia Nacional de Ciencias, Córdoba, pp. 345-364.

Yrigoyen, M.R. 1976. Observaciones geológicas alrededor del Aconcagua. In: 1º Congreso Geológico Chileno, Actas I, Santiago, pp. 168-190.




DOI: https://doi.org/10.18172/cig.4272

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