ENSO and interdecadal climate variability over the last century documented by geochemical records of two coral cores from the South West Pacific

ENSO and interdecadal climate variability over the last century documented by geochemical records of two coral cores from the South West Pacific

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The south west Pacific is affected by climatic phenomena such as ENSO (El Niño Southern Oscillation) or the PDO (Pacific Decadal Oscillation).Near-monthly resolution calibrations of Sr/Ca, U/Ca and δ18Oc were made on corals taken from New Caledonia and Wallis Island.These Paper Towels geochemical variations could be linked to SST (sea surface temperature) and SSS (sea surface salinity) variations over the last two decades, Water Cooler Thermostat itselves dependent on ENSO occurrences.On the other hand, near-half-yearly resolution over the last century smoothes seasonal and interannual climate signals, but emphasizes low frequency climate variability.