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Table 3 Correlations between sclerosponge geochemical recordsa

From: Reconstruction of ocean environment time series since the late nineteenth century using sclerosponge geochemistry in the northwestern subtropical Pacific

  δ18O Sr/Ca Ba/Ca Pb/Ca U/Ca
MNZ-S1 (Okinawa) 1960-2015      
δ13C 0.51 0.55 0.06 0.78 0.69
δ18O  0.08 0.19 0.32 0.09
Sr/Ca    0.48 0.59 0.67
Ba/Ca    0.27 0.18
Pb/Ca     0.58
SMJ-2-S1 (Miyako) 1960-2012      
δ13C 0.63 0.31 0.41 0.64 0.36
δ18O   0.19 0.08 0.24 0.26
Sr/Ca    0.24 0.30 0.66
Ba/Ca     0.37 0.15
Pb/Ca     0.25
  1. aCoefficent values in italics and bold fall outside (p > 0.01) and inside (p < 0.01) the 99% confidence intervals, respectively