Tectonics and climate of the southern central Andes

M. R. Strecker, R. N. Alonso, B. Bookhagen, B. Carrapa, G. E. Hilley, E. R. Sobel, M. H. Trauth

Research output: Chapter in Book/Report/Conference proceedingChapter

249 Scopus citations

Abstract

The history of the southern central Andes, including the world's second largest plateau and adjacent intermontane basins and ranges of the Eastern Cordillera and the northern Sierras Pampeanas of Argentina and Bolivia, impressively documents the effects of tectonics and topography on atmospheric circulation patterns, the development of orographic barriers, and their influence on erosion and landscape evolution at various timescales. Protracted aridity in the orogen interior has facilitated the creation and maintenance of the Puna-Altiplano plateau. Contraction and range uplift, filling of basins, and possibly wholesale uplift of the plateau increased gravitational stresses in the orogen interior, which caused the eastward migration of deformation into the foreland and successive aridification. The uplift of the Andean orogen has also had a far-reaching influence on atmospheric and moisture-transport patterns in South America. This is documented by the onset of humid climate conditions on the eastern side of the Andes in late Miocene time, which was coupled with the establishment of dramatic precipitation gradients perpendicular to the orogen, and changes in tectonic processes in the Andean orogenic wedge.

Original languageEnglish (US)
Title of host publicationAnnual Review of Earth and Planetary Sciences
EditorsRaymond Jeanloz, Arden Albee, Kevin Burke, Katherine Freeman
Pages747-787
Number of pages41
DOIs
StatePublished - Jun 25 2007
Externally publishedYes

Publication series

NameAnnual Review of Earth and Planetary Sciences
Volume35
ISSN (Print)0084-6597

Keywords

  • Aridification
  • Erosion
  • Orogenic plateaus
  • Orographic barrier
  • South American Monsoon

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

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  • Cite this

    Strecker, M. R., Alonso, R. N., Bookhagen, B., Carrapa, B., Hilley, G. E., Sobel, E. R., & Trauth, M. H. (2007). Tectonics and climate of the southern central Andes. In R. Jeanloz, A. Albee, K. Burke, & K. Freeman (Eds.), Annual Review of Earth and Planetary Sciences (pp. 747-787). (Annual Review of Earth and Planetary Sciences; Vol. 35). https://doi.org/10.1146/annurev.earth.35.031306.140158