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

被引：130

作者：

Novello, Valdir F. ^{[1
]}

Cruz, Francisco W. ^{[1
]}

Vuille, Mathias ^{[2
]}

Strikis, Nicolas M. ^{[3
]}

Edwards, R. Lawrence ^{[4
]}

Cheng, Hai ^{[4
,5
]}

Emerick, Suellyn ^{[1
]}

De Paula, Marcos S. ^{[1
]}

Li, Xianglei ^{[5
]}

Barreto, Eline de S. ^{[1
]}

Karmann, Ivo ^{[1
]}

Santos, Roberto V. ^{[6
]}

机构：

[1] Univ Sao Paulo, Inst Geociencias, BR-05508090 Sao Paulo, Brazil

[2] Univ Albany, Dept Atmospher & Environm Sci, Albany, NY 12222 USA

[3] Univ Fed Fluminense, Dept Geoquim, BR-24220900 Rio De Janeiro, Brazil

[4] Univ Minnesota, Dept Earth Sci, Minneapolis, MN 55455 USA

[5] Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China

[6] Univ Braslia, Inst Geociencias, Braslia, Brazil

来源：

SCIENTIFIC REPORTS | 2017年 / 7卷

基金：

美国国家科学基金会; 巴西圣保罗研究基金会;

关键词：

ATMOSPHERIC CIRCULATION; LATE PLEISTOCENE; STABLE-ISOTOPES; RECORD; DYNAMICS; CLIMATE; INTERIOR; RAINFALL;

D O I：

10.1038/srep44267

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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 delta O-18 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.

引用

页数：8

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