A ∼6100 14C yr record of El Niño activity from the Galápagos Islands

@article{Riedinger2002A1,
  title={A ∼6100 14C yr record of El Ni{\~n}o activity from the Gal{\'a}pagos Islands},
  author={Melanie A. Riedinger and Miriam Steinitz-Kannan and William M. Last and Mark Brenner},
  journal={Journal of Paleolimnology},
  year={2002},
  volume={27},
  pages={1-7}
}
Lithostratigrahic and mineralogic analyses of sediments from hypersaline Bainbridge Crater Lake, Galápagos Islands, provide evidence of past El Niño frequency and intensity. Laminated sediments indicate that at least 435 moderate to very strong El Niño events have occurred since 6100 14C yr BP (∼7130 cal yr BP), and that frequency and intensity of events increased at about 3000 14C yr BP (∼3100 cal yr BP). El Niño activity was present between 6100 and 4000 14C yr BP (∼4600 cal yr BP) but… Expand

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References

SHOWING 1-10 OF 36 REFERENCES
An ;15,000-Year Record of El Nino—Driven Alluviation in Southwestern Ecuador
Debris flows have deposited inorganic laminae in an alpine lake that is 75 kilometers east of the Pacific Ocean, in Ecuador. These storm-induced events were dated by radiocarbon, and the age ofExpand
Geoarchaeological Evidence from Peru for a 5000 Years B.P. Onset of El Niño
For the tropical west coast of South America, where El Niño/Southern Oscillation (ENSO) is most pronounced, archaeological and associated paleontological deposits in northern Peru revealed a majorExpand
Holocene history of the El Niño phenomenon as recorded in flood sediments of northern coastal Peru
Significant precipitation along the north-central coast of Peru (lat 5°-10°S) occurs exclusively during El Nino incursions of warm water into the Peruvian littoral. Flood deposits from this regionExpand
ElNiño variability in the coastal desert of southern Peru during the Mid-Holocene
Abstract Fourteen organic-rich sedimentary layers in the deposits at Quebrada de los Burros, in coastal southern Peru (Tacna department), lie between two debris-flow units, interpreted to result fromExpand
Variation in Holocene El Niño frequencies: Climate records and cultural consequences in ancient Peru
Analysis of mollusks from archaeological sites on the north and central coasts of Peru indicates that between ca. 5800 and 3200–2800 cal yr B.P., El Nino events were less frequent than today, withExpand
El Ni�o-Southern Oscillation Events Recorded in the Stratigraphy of the Tropical Quelccaya Ice Cap, Peru
TLDR
Snow accumulation measured during 1982-1983 on the Quelccaya ice cap, Peru, was 70 percent of the average from 1975 through 1983, a substantial decrease in association with the last five El Ni�o-Southern Oscillation occurrences in the equatorial Pacific. Expand
A review of geological evidence for ancient El Niño activity in Peru
Geological evidence (geomorphological, sedimentological, paleontological, and archeological) for the occurrence of El Nino events in Peru during the Quaternary has been reevaluated. New dataExpand
An alluvial record of El Niño events from northern coastal Peru
Overbank flood deposits of northern coastal Peru provide the potential for the development of a late Quaternary chronology of El Nino events. Alluvial deposits from the 1982–1983 El Nino event areExpand
Southern Oscillation Signal in South American Palaeoclimatic Data of the Last 7000 Years
Abstract During strong El Nino events, rainfall anomalies and changes in wind patterns are observed in different regions of South America. Along the central Brazilian coast, during the 1983 El NinoExpand
Eastern Pacific sea surface temperature since 1600 A
We measured stable oxygen isotope ratios and skeletal growth rates in the massive corals Pavona clavus and P. gigantea from the west coast of Isabela Island, Galapagos, to assess interannual toExpand
...
1
2
3
4
...