Articles | Volume 11, issue 9
Research article
15 Sep 2015
Research article |  | 15 Sep 2015

Multi-century lake area changes in the Southern Altiplano: a tree-ring-based reconstruction

M. S. Morales, J. Carilla, H. R. Grau, and R. Villalba


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Short summary
A 601-year lake area reconstruction in NW Argentina and SW Bolivia, characterized the occurrence of annual to multi-decadal lake area fluctuations and its main oscillation modes of variability. Our reconstruction points out that the late 20th century decrease in lake area was exceptional over the period 1407–2007. A persistent negative trend in lake area is clear in the reconstruction and consistent with glacier retreat and other climate proxies from the Altiplano and the tropical Andes.