Paleohydrology of the Santiaguillo Basin (Mexico) since late last glacial and climate variation in southern part of western subtropical North America

Priyadarsi D. Roy, Claudia M. Chávez-Lara, Laura E. Beramendi-Orosco, José L. Sánchez-Zavala, Gowrappan Muthu-Sankar, Rufino Lozano-Santacruz, Jesús D. Quiroz-Jimenez, Nayeli López-Balbiaux

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Abstract

© 2015 University of Washington. Stratigraphy, geochemistry and radiocarbon dating of a succession of sediment in the Santiaguillo Basin (central-northern Mexico) help reconstruct the millennial-scale dynamics of hydrological variability that occurred in the southern part of western subtropical North America since the late last glacial. Runoff was generally above average during the late last glacial from ~ 27 to 18. ka. Following this interval, runoff decreased and deposition of authigenic carbonate and aeolian transported sediment increased until ~ 4. ka. Heinrich 1 and 2, and Younger Dryas were intervals of reduced runoff and increased aeolian activity. The wetter climate of central-northern Mexico and arid conditions in north-northwestern Mexico during the late last glacial were probably related to formation of tropical cyclones in the eastern North Pacific during the autumn with restricted rainfall swaths and an absent/weaker North American Monsoon. Enhanced North American Monsoon and tropical cyclones with expanded rainfall swaths brought more summer and autumn precipitation to a broader region extending from the central-northern Mexico to the continental interiors of southwestern US during the early Holocene.
Original languageAmerican English
Pages (from-to)335-347
Number of pages300
JournalQuaternary Research (United States)
DOIs
StatePublished - 1 Nov 2015
Externally publishedYes

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paleohydrology
climate variation
Last Glacial
runoff
tropical cyclone
monsoon
autumn
basin
continental interior
rainfall
eolian process
Younger Dryas
radiocarbon dating
sediment
stratigraphy
geochemistry
Holocene
carbonate
climate
summer

Cite this

Roy, P. D., Chávez-Lara, C. M., Beramendi-Orosco, L. E., Sánchez-Zavala, J. L., Muthu-Sankar, G., Lozano-Santacruz, R., ... López-Balbiaux, N. (2015). Paleohydrology of the Santiaguillo Basin (Mexico) since late last glacial and climate variation in southern part of western subtropical North America. Quaternary Research (United States), 335-347. https://doi.org/10.1016/j.yqres.2015.10.002
Roy, Priyadarsi D. ; Chávez-Lara, Claudia M. ; Beramendi-Orosco, Laura E. ; Sánchez-Zavala, José L. ; Muthu-Sankar, Gowrappan ; Lozano-Santacruz, Rufino ; Quiroz-Jimenez, Jesús D. ; López-Balbiaux, Nayeli. / Paleohydrology of the Santiaguillo Basin (Mexico) since late last glacial and climate variation in southern part of western subtropical North America. In: Quaternary Research (United States). 2015 ; pp. 335-347.
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Paleohydrology of the Santiaguillo Basin (Mexico) since late last glacial and climate variation in southern part of western subtropical North America. / Roy, Priyadarsi D.; Chávez-Lara, Claudia M.; Beramendi-Orosco, Laura E.; Sánchez-Zavala, José L.; Muthu-Sankar, Gowrappan; Lozano-Santacruz, Rufino; Quiroz-Jimenez, Jesús D.; López-Balbiaux, Nayeli.

In: Quaternary Research (United States), 01.11.2015, p. 335-347.

Research output: Contribution to journalArticleResearchpeer-review

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