Figure I upper three panels latitude Global Modern OHTs Global Near Modern OHTs Global CLIMAP LGM OHTs Atlantic Modern OHTs Atlantic Near Modern OHTs Atlantic CLIMAP LGM OHTs Pacific Modern OHTs Pacific Near Modern OHTs Pacific CLIMAP LGM OHTs -90 -8.13E-20 -0.05397 0.316 1.207 0.89624 -0.298 -1.289 -1.11875 0.81 -86.1 -8.13E-20 -0.05397 0.316 1.207 0.89624 -0.298 -1.289 -1.11875 0.81 -78.3 -8.13E-20 -0.05397 0.316 1.207 0.89624 -0.298 -1.289 -1.11875 0.81 -70.4 -0.039 -0.0747 0.27 1.198 0.89078 -0.312 -1.319 -1.13402 0.78 -62.6 -0.236 -0.26203 0.19 1.21 0.89532 -0.33 -1.455 -1.25587 0.75 -54.8 -0.38 -0.39623 0.12 1.225 0.9088 -0.307 -1.59 -1.38276 0.63 -47 -0.294 -0.32426 -0.125 1.276 0.932 -0.258 -1.685 -1.43255 0.35 -39.1 -0.448 -0.4083 -0.514 1.134 0.81153 -0.23 -1.801 -1.50546 -0.14 -31.3 -1.342 -1.25699 -1.528 0.702 0.41109 -0.515 -2.041 -1.73314 -0.81 -23.5 -1.903 -1.86843 -2.192 0.568 0.26627 -0.589 -2.148 -1.86039 -1.25 -15.7 -1.629 -1.59945 -2.202 0.644 0.37246 -0.411 -1.957 -1.65763 -1.32 -7.8 -0.744 -0.84435 -1.061 0.779 0.50626 -0.167 -1.36 -1.18178 -0.57 0 0.615 0.47346 0.615 1.029 0.75921 0.14 -0.581 -0.45519 0.41 7.8 2.294 1.96156 2.409 1.374 1.08128 0.362 0.483 0.46594 1.63 15.7 2.884 2.53497 3.114 1.635 1.31798 0.655 1.037 1.02956 2.24 23.5 2.843 2.40449 2.826 1.688 1.36224 0.715 1.037 0.96758 2.02 31.3 2.081 1.8309 1.759 1.425 1.20222 0.564 0.656 0.62868 1.2 39.1 1.181 0.99848 0.726 0.936 0.77818 0.264 0.245 0.2203 0.46 47 0.887 0.76847 0.408 0.676 0.58381 0.117 0.211 0.18466 0.29 54.8 0.787 0.63846 0.33 0.609 0.49467 0.101 0.178 0.14379 0.23 62.6 0.465 0.34225 0.109 0.465 0.34196 0.109 0 0.00029 0 70.4 0.263 0.17581 0.096 0.263 0.17581 0.096 0 0 0 78.3 0.073 0.06066 0.076 0.073 0.06066 0.076 0 0 0 86.1 0.003 0.00303 0.008 0.003 0.00303 0.008 0 0 0 90 0 0 0 0 0 0 0 0 "Data from Webb et al., NATURE (1997)"