A high-resolution history of the South American Monsoon from Last Glacial Maximum to the Holocene.

Abstract:

:The exact extent, by which the hydrologic cycle in the Neotropics was affected by external forcing during the last deglaciation, remains poorly understood. Here we present a new paleo-rainfall reconstruction based on high-resolution speleothem δ18O records from the core region of the South American Monsoon System (SAMS), documenting the changing hydrological conditions over tropical South America (SA), in particular during abrupt millennial-scale events. This new record provides the best-resolved and most accurately constrained geochronology of any proxy from South America for this time period, spanning from the Last Glacial Maximum (LGM) to the mid-Holocene.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Novello VF,Cruz FW,Vuille M,Stríkis NM,Edwards RL,Cheng H,Emerick S,de Paula MS,Li X,Barreto ES,Karmann I,Santos RV

doi

10.1038/srep44267

subject

Has Abstract

pub_date

2017-03-10 00:00:00

pages

44267

issn

2045-2322

pii

srep44267

journal_volume

7

pub_type

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