Intensification of the meridional temperature gradient in the Great Barrier Reef following the Last Glacial maximum
Felis, Thomas; McGregor, Helen; Linsley, Braddock K; Tudhope, A W; Gagan, Michael; Suzuki, Atsushi; Inoue, Mayuri; Thomas, Alex; Esat, Tezer; Thompson, W.G.; Tiwari, Manish; Potts, Donald C; Mudelsee, Manfred; Yokoyama, Yusuke; Webster, Jody Michael
Tropical south-western Pacific temperatures are of vital importance to the Great Barrier Reef (GBR), but the role of sea surface temperatures (SSTs) in the growth of the GBR since the Last Glacial Maximum remains largely unknown. Here we present records of Sr/Ca and δ 18O for Last Glacial Maximum and deglacial corals that show a considerably steeper meridional SST gradient than the present day in the central GBR. We find a 1-2 °C larger temperature decrease between 17° and 20°S about 20,000 to...[Show more]
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