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Astronomical Forcing of Contrasting Rainfall Changes in Tropical South America between 12,400 and 8800 cal yr B.P.

Published online by Cambridge University Press:  20 January 2017

Louis Martin ,
Jacques Bertaux ,
Thierry Corrège ,
Marie-Pierre Ledru ,
Philippe Mourguiart ,
Abdelfettah Sifeddine ,
François Soubiès ,
Denis Wirrmann ,
Kenitiro Suguio  and
Bruno Turcq
Louis Martin
Affiliation:
ORSTOM, PPPG, IG/UFBA, Rua Caetano Moura 123, 40170-010, Salvador, Brazil
Jacques Bertaux
Affiliation:
ORSTOM, 32 Av. Henri Varagnat, 93 143, Bondy, France
Thierry Corrège
Affiliation:
ORSTOM, 32 Av. Henri Varagnat, 93 143, Bondy, France
Marie-Pierre Ledru
Affiliation:
ORSTOM, 32 Av. Henri Varagnat, 93 143, Bondy, France
Philippe Mourguiart
Affiliation:
ORSTOM, CP 9214, 00095, La Paz, Bolivia
Abdelfettah Sifeddine
Affiliation:
ORSTOM, 32 Av. Henri Varagnat, 93 143, Bondy, France
François Soubiès
Affiliation:
ORSTOM, 32 Av. Henri Varagnat, 93 143, Bondy, France
Denis Wirrmann
Affiliation:
ORSTOM, 32 Av. Henri Varagnat, 93 143, Bondy, France
Kenitiro Suguio
Affiliation:
Instituto de Geociências, Universidade de São Paulo, CP 11.348, 05422-970, São Paulo, Brazil
Bruno Turcq
Affiliation:
ORSTOM, Instituto de Quı́mica, Universidade Federal Fluminense, 240 20007, Niteroi, Brazil
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Abstract

Today, precipitation over tropical South America is largely controlled by the seasonal movements of the Inter-Tropical Convergence Zone (ITCZ). During the summer, the ITCZ is shifted southward due to the warming of the continent. Paleoclimate data from southeastern Amazonia and the central Andes indicate that these two areas evolved similarly during the last 30,000 yr. However, between 12,400 and 8800 cal yr B.P., eastern Amazonia received substantial moisture whereas the Bolivian Altiplano was arid. This suggests that the ITCZ during summer was then farther north than it is today.

Type
Research Article
Information
Quaternary Research , Volume 47 , Issue 1 , January 1997 , pp. 117 - 122
Copyright
University of Washington

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References

Lundelius, E. L. Jr. Graham, R. W. Anderson, E. Guilday, J. Holman, J. A. Steadman, D. W.andWebb, S. D.(1983). Terrestrial vertebrate faunas. In “Late-Quaternary Environments of the United States” ( H. E. Wright Jr. Ed.), "Volume 1: The Late Pleistocene” ( S. C. Porter Ed.), pp. 311–353. Univ. Minnesota Press, Minneapolis.Google Scholar
Lyman, R. L.(1994). “Vertebrate Taphonomy.” Cambridge Univ. Press, Cambridge, UK.Google Scholar
Martin, P. S.(1990). 40,000 years of extinctions on the "planet of doom." Palaeogeography, Palaeoclimatology, Palaeoecology 82, 187–201.CrossRefGoogle Scholar
Martin, P. S.andStuart, A. J.(1995). Mammoth extinction: Two continents and Wrangell Island. Radiocarbon 37, 7–10.Google Scholar
McWeeney, L. J.(1994). “Archaeological Settlement Patterns and Vegeta-tional Dynamics in Southern New England in the Late Quaternary.” Ph.D. Dissertation, Yale Univ., New Haven, CT.Google Scholar
Meltzer, D. J.(1988). Late Pleistocene human adaptations in eastern North America. Journal of World Prehistory 2, 1–52.Google Scholar
Meltzer, D. J.(1993). Pleistocene peopling of the Americas. Evolutionary Anthropology 1, 157–169.CrossRefGoogle Scholar
Miller, N. G.(1988). The late Quaternary Hiscock Site, Genesee County, New York: Paleocological studies based on pollen and plant macrofossils. Bulletin of the Buffalo Society of Natural Sciences 33, 83–93.Google Scholar
Morlan, R. E.(1991). Peopling of the New World: A discussion. In “Clovis: Origins and Adaptations” ( Bonnichsen, R. .and Turnmire, K. L.Eds.), pp. 303–307. Center for the Study of the First Americans, Corvallis, Oregon.Google Scholar
Norton, A. H.(1924). Another fossil caribou from New York State. Journal of Mammalogy 5, 132–133.CrossRefGoogle Scholar
Peteet, D. M. Daniels, R. A. Heusser, L. E. Vogel, J. S. Souton, J. R.andNelson, D. E.(1993). Late-glacial pollen, macrofossils and fish remains in northeastern U.S.A."the Younger Dryas oscillation. Quaternary Science Reviews 12, 597–612.CrossRefGoogle Scholar
Ritchie, W. A.(1971). “A Typology and Nomenclature for New York Projectile Points.” New York State Museum and Science Service Bulletin No. 384.Google Scholar
Sellards, E. H.(1938). Artifacts associated with fossil elephant. Bulletin of the Geological Society of America 49, 999–1010.CrossRefGoogle Scholar
Spiess, A. E. Curran, M. L.andGrimes, J. R.(1984). Caribou (Rangifer tarandus L.) bones from New England Paleoindian sites. North American Archaeologist 6, 145–159.Google Scholar
Spiess, A. E.andStorck, P. L.(1990). New faunal identifications from the Udora Site: A Gainey-Clovis occupation site in southern Ontario. Current Research in the Pleistocene 7, 127–129.Google Scholar
Stafford, T. W. Jr.(1990). Late Pleistocene megafauna extinctions and the Clovis culture: Absolute ages based on accelerator 14C dating of skeletal remains. In “Megafauna and Man: Discovery of America's Heartland” ( Agenbroad, L. D. Mead, J.I. Nelson, L. W.Eds.), pp. 118–122. The Mammoth Site, Hot Springs, SD.Google Scholar
Stafford, T. W. Jr. Brendel, K.andDuhamel, R. C.(1988). Radiocarbon, 13C and 15N analysis of fossil bone: Removal of humates with XAD-2 resin. Geochimica et Cosmochimica Acta 52, 2257–2267.Google Scholar
Stafford, T. W Jr. Hare, P. E. Currie, L. Jull, A. J. T.andDonahue, D. J.(1991). Accelerator radiocarbon dating at the molecular level. Journal of Archaeological Science 18, 35–72.Google Scholar
Stafford, T. W. Jr. Jull, A. J. T. Brendel, K. Duhamel, R. C.andDonahue, D. J.(1987). Study of bone radiocarbon dating accuracy at the University of Arizona NSF accelerator facility for radioisotope analysis. Radiocarbon 29, 24–44.Google Scholar
Steadman, D. W.(1988). Vertebrates from the Late Quaternary Hiscock Site, Genesee County, New York. Bulletin of the Buffalo Society of Natural Sciences 33, 95–113.Google Scholar
Steadman, D. W. Craig, L. J.andEngel, T.(1993). Late Pleistocene and Holocene vertebrates from Joralemon's (Fish Club) Cave, Albany County, New York. The Bulletin, New York State Archaeological Association 105, 9–15.Google Scholar
Steadman, D. W.andFunk, R. E.(1987). New paleontological and archaeological investigations at Dutchess Quarry Cave No. 8, Orange County, New York. Current Research in the Pleistocene 4, 118–120.Google Scholar
Steadman, D. W. Stafford, T. W Jr. Donahue, D. J.andJull, A. J. T.(1991). Chronology of Holocene vertebrate extinction in the Galapagos Islands. Quaternary Research 36, 126–133.Google Scholar
Storck, P. L.(1988a). The early Paleo-Indian occupation of Ontario: colonization or diffusion? Bulletin of the Buffalo Society of Natural Sciences 33, 243–250.Google Scholar
Storck, P. L.(1988b). Recent excavations of the Udora site: a Gainey/Clovis occupation site in Southern Ontario. Current Research in the Pleistocene 5, 23–24.Google Scholar
Storck, P. L.(1991). Imperialists without a state: The cultural dynamics of early Paleoindian colonization as seen from the Great Lakes region. In “Clovis: Origins and Adaptations” ( Bonnichsen, R.and Turnmire, K. L.Eds.), pp. 153–162. Center for the Study of the First Americans, Corvallis, Oregon.Google Scholar