Pacific Ocean coral records

Guilderson, T.P., D.P. Schrag, M. Kashgarian, and J. Southori. 1998. Radiocarbon variability in the western equatorial Pacific inferred from a high-resolution coral record from Nauru Island. Journal of Geophysical Research, C, Oceans 103(11) 24,641-24,650. 

Figure 3B shows detailed Pacific Ocean A " C coral ring data (J.R. Toggwelier and E. Druffel). This surface ocean record shows an increase during the 1960s however, the peak occurs somewhat later than in the atmosphere and is significantly less pronounced. Careful investigation of coral data also demonstrates the north-south difference evidenced in the atmospheric record. 

Figure 2 Comparison of annual mean coral oxygen isotope records in the Pacific and Indian Ocean region extending back more than 100 yr (Gagan et al., 2000) (reproduced by permission of Elsevier from Quat. ScL Rev. 2000,19, 45-64). These records demonstrate the considerable potential of this approach for documenting historical...

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