The state of knowledge on the deglaciation of America in 2017


  • D. Palacios Universidad Complutense de Madrid



America, Deglaciation, Last Glacial Máximum, Oldest Dryas, Younger Dryas, Antarctic Cold Reversal


This work presents a summary of all contributions included in this Special Issue on the deglaciation of America. It analyses the differences and coincidences between the phases of glacial evolution and their chronology in each of the regions studied, and seeks a possible explanation for asynchronies, according to the opinions of the authors of the contributions. Most of the papers show significant diversity within each region due to local factors and different approaches to their study. Often, local differences are even more important than differences with other regions. In North and Central America glacial evolution appears quite uniform, in line with the evolution of the temperature in the North Atlantic. The differences found between some regions may be due to slight variations in the impact of the temperature of the Atlantic in each region, and to differences in approaching their study. The glacial evolution of the Andes presents a greater diversity, probably due to the existence of arid areas along most of the mountain range, which show a greater sensitivity to the reception of humidity than to temperature in their glacial balance. In general, researchers have detected an attenuation of the influence of the temperature of the North Atlantic towards the south, and of the Antarctic Cold Reversal towards the north.


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Riedel, J. 2017. Deglaciation of the North Cascade Range, Washington and British Columbia, from the Last Glacial Maximum to the Holocene. Cuadernos de Investigación Geográfica 43 (2).

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Stokes, C.R. 2017. Deglaciation of the Laurentide Ice Sheet from the Last Glacial Maximum. Cuadernos de Investigación Geográfica 43 (2).

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Vázquez-Selem, L., Lachniet, M.S. 2017. The deglaciation of the mountains of Mexico and Central America. Cuadernos de Investigación Geográfica 43 (2).

Ward, D., Thornton, R., Cesta. J. 2017. Across the Arid Diagonal: Deglaciation of the Western Andean Cordillera in Southwest Bolivia and Northern Chile. Cuadernos de Investigación Geográfica 43 (2).

Zech, J., Terrizzano, C., García-Morabito, E., Veit, H., Zech., R. 2017. Timing and extent of Late Pleistocene glaciation in the arid Central Andes of Argentina and Chile (22ºS-41ºS). Cuadernos de Investigación Geográfica 43 (2).




How to Cite

Palacios D. The state of knowledge on the deglaciation of America in 2017. CIG [Internet]. 2017 Sep. 15 [cited 2024 Mar. 4];43(2):361-76. Available from: