Modern and sub-fossil corals suggest reduced temperature variability in the eastern pole of the Indian Ocean Dipole during the medieval climate anomaly
We present two 40 year records of monthly coral Sr/Ca ratios from the eastern pole of the
Indian Ocean Dipole. A modern coral covers the period from 1968 to 2007. A sub-fossil coral
derives from the medieval climate anomaly (MCA) and spans 1100–1140 ad. The modern
coral records SST variability in the eastern pole of the Indian Ocean Dipole. A strong
correlation is also found between coral Sr/Ca and the IOD index. The correlation with ENSO
is asymmetric: the coral shows a moderate correlation with El Niño and a weak correlation …
Indian Ocean Dipole. A modern coral covers the period from 1968 to 2007. A sub-fossil coral
derives from the medieval climate anomaly (MCA) and spans 1100–1140 ad. The modern
coral records SST variability in the eastern pole of the Indian Ocean Dipole. A strong
correlation is also found between coral Sr/Ca and the IOD index. The correlation with ENSO
is asymmetric: the coral shows a moderate correlation with El Niño and a weak correlation …
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