Climate of the Past
Climate of the Past
CP
Articles | Volume 15, issue 1
Articles | Volume 15, issue 1
https://doi.org/10.5194/cp-15-105-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/cp-15-105-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 1
Review article
 | 
16 Jan 2019
Review article |  | 16 Jan 2019

The 4.2 ka event, ENSO, and coral reef development

Lauren T. Toth and Richard B. Aronson

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Short summary
We explore the hypothesis that a shift in global climate 4200 years ago (the 4.2 ka event) was related to the El Niño–Southern Oscillation (ENSO). We summarize records of coral reef development in the tropical eastern Pacific, where intensification of ENSO stalled reef growth for 2500 years starting around 4.2 ka. Because corals are highly sensitive to climatic changes, like ENSO, we suggest that records from coral reefs may provide important clues about the role of ENSO in the 4.2 ka event.
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Special issue
The 4.2 ka BP climatic event