These data should be cited as: Marlow. J.R., Lange. C.B., Wefer. G., Rosell-Mele. A. (2000) Upwelling intensification as part of the Pliocene-Pleistocene climate transition. Science, 290, 2288-2291. Age (Myrs) UK37' SST (degC) 0.093 0.576 16.1 0.099 0.617 17.4 0.104 0.636 17.9 0.109 0.524 14.5 0.114 0.499 13.8 0.120 0.490 13.5 0.125 0.455 12.5 0.130 0.470 12.9 0.142 0.508 14.1 0.181 0.525 14.6 0.214 0.534 14.9 0.247 0.651 18.4 0.300 0.452 12.3 0.365 0.666 18.8 0.399 0.506 14.0 0.429 0.492 13.6 0.497 0.644 18.2 0.556 0.500 13.8 0.619 0.569 15.9 0.676 0.434 11.8 0.727 0.546 15.2 0.777 0.513 14.2 0.828 0.463 12.7 0.859 0.635 17.9 0.881 0.537 14.9 0.903 0.595 16.7 0.942 0.558 15.6 0.964 0.530 14.7 1.014 0.613 17.2 1.050 0.597 16.8 1.117 0.658 18.6 1.149 0.678 19.2 1.236 0.609 17.1 1.306 0.701 19.9 1.339 0.718 20.4 1.407 0.679 19.2 1.468 0.705 20.0 1.500 0.648 18.3 1.569 0.729 20.8 1.633 0.747 21.3 1.658 0.677 19.2 1.714 0.638 18.0 1.748 0.718 20.4 1.801 0.684 19.4 1.834 0.716 20.4 1.920 0.642 18.1 1.975 0.665 18.8 1.984 0.667 18.9 2.037 0.722 20.5 2.089 0.778 22.2 2.141 0.757 21.6 2.192 0.788 22.5 2.243 0.784 22.4 2.295 0.818 23.4 2.347 0.777 22.2 2.398 0.862 24.8 2.429 0.811 23.2 2.430 0.793 22.7 2.435 0.790 22.6 2.440 0.839 24.1 2.445 0.821 23.5 2.450 0.819 23.5 2.455 0.776 22.2 2.460 0.738 21.0 2.465 0.803 23.0 2.470 0.824 23.6 2.475 0.797 22.8 2.497 0.855 24.6 2.545 0.810 23.2 2.614 0.841 24.1 2.652 0.815 23.4 2.710 0.851 24.5 2.749 0.816 23.4 2.800 0.756 21.6 2.845 0.848 24.4 2.902 0.848 24.4 2.941 0.863 24.8 3.000 0.822 23.6 3.032 0.854 24.5 3.101 0.861 24.8 3.120 0.847 24.3 3.193 0.837 24.0 3.220 0.903 26.0 3.323 0.888 25.6 3.380 0.891 25.7 3.418 0.907 26.2 3.475 0.887 25.6 3.480 0.877 25.2 3.485 0.871 25.1 3.490 0.868 25.0 3.495 0.904 26.1 3.499 0.911 26.3 3.505 0.918 26.5 3.510 0.929 26.8 3.514 0.932 26.9 3.520 0.897 25.9 3.525 0.889 25.6 3.530 0.914 26.4 3.545 0.909 26.2 3.611 0.913 26.3 3.669 0.836 24.0 3.708 0.900 25.9 3.765 0.932 26.9 3.803 0.946 27.3 3.828 0.903 26.0 3.867 0.897 25.9 3.880 0.919 26.5 4.126 0.907 26.2 4.149 0.855 24.6 4.196 0.900 25.9 4.245 0.920 26.6 4.349 0.925 26.7 4.557 0.908 26.2 4.569 0.926 26.7 4.580 0.905 26.1