# NOAA Paleoclimatology Program - Paleocean Site Data # t16319l4-fwc.txt # Complete Data # File Created: 18-Jan-2005 # #********************************************************************************* # Please cite the contributor and the original publications when using these data #********************************************************************************* # # Missing Values indicated by '-999' # # PI: David W. Lea # Core/Site: TR163-19 # Latitude: 2.15.18N ( 2.255) # Longitude: 90.57.04W ( -90.95111) # Water Depth(m): 2348 # # Publications: # Lea, D.W. 2004. The 100,000 year cycle in tropical SST, greenhouse forcing, and # climate sensitivity. Journal of Climate 17(11):2170-2179. # Lea, D.W., D.K. Pak, and H.J. Spero. 2000. Climate impact of late Quaternary # equatorial Pacific sea surface temperature variations. Science # 289(5485):1719-1724. # Shackleton, N.J. 2000. The 100,000-year ice-age cycle identified and found to # lag temperature, carbon dioxide, and orbital eccentricity. Science # 289:1897-1902. # Dekens, P.S., D.W. Lea, D.K. Pak, and H.J. Spero. 2002. Core top calibration # of Mg/Ca in tropical foraminifera: Refining paleo-temperature estimation. Geochemistry, # Geophysics, Geosystems 3:1022. #------------------ # # Description & Notes: # Eastern Tropical Pacific Foraminiferal Mg/Ca and SST Reconstruction. # Mg/Ca data on cleaned G. ruber shells by ICP-MS, 417 individual data points from # Lea et al. 2000, and 76 new data points from 39 depth intervals, total data points # 493, total depth intervals 208. SST estimates based on depth/basin-corrected # calibration in # # Notes on Chronology: # Conversion of core depth to age is based on the timescale for core V19-30 in # Shackleton (2000). Benthic O18 from TR163-19 was tied to V19-30 O18. A calibrated # radiocarbon age was used for the core-top only. # # CHRONOLOGY CONTROL POINTS # # yrBP radiocarbon years B.P. (Libby half-life; B.P. = 1950) # # Depth yrBP error+ error- Notes # 1 1040 -999 -999 Top # 44 12000 -999 -999 2 # 124 30000 -999 -999 3 # 239 55000 -999 -999 3.3 # 284 71000 -999 -999 5 # 389 124000 -999 -999 5e # 414 131000 -999 -999 6 # 529 171000 -999 -999 6.5 # 569 191000 -999 -999 7 # 679 230000 -999 -999 7.4 to 7 # 704 245000 -999 -999 8 # 799 279000 -999 -999 9 # 959 336000 -999 -999 10 # 999 344000 -999 -999 10.2 # 1029 361000 -999 -999 - # # Variables: # depth Depth (cm) # calyrBP calendar years B.P. (B.P. = 1950) # Mg/Ca-g.rub Magnesium/Calcium ratio (Globigerinoides ruber) # sst Sea Surface Temperature (C) # # CORE: TR163-19 depth calyrBP Mg/Ca-g.rub sst 1 1000 2.999 26 4 1800 2.86 25.5 9 3100 3.123 26.4 14 4400 3.017 26.1 19 5600 3.061 26.2 24 6900 3.095 26.3 29 8200 3.326 27.1 34 9500 2.989 25.9 39 10700 2.852 25.4 44 12000 2.881 25.5 49 13100 2.783 25.2 54 14300 2.745 25 59 15400 2.627 24.5 64 16500 2.613 24.5 69 17600 2.309 23.1 74 18800 2.356 23.3 79 19900 2.466 23.8 84 21000 2.3 23 89 22100 2.447 23.7 94 23300 2.424 23.6 99 24400 2.441 23.7 104 25500 2.215 22.6 109 26600 2.413 23.6 114 27800 2.291 23 119 28900 2.254 22.8 124 30000 2.361 23.3 129 31100 2.683 24.7 134 32200 2.633 24.5 139 33300 2.467 23.8 144 34300 2.576 24.3 149 35400 2.469 23.8 154 36500 2.601 24.4 159 37600 2.205 22.6 164 38700 2.493 23.9 169 39800 2.58 24.3 174 40900 2.595 24.4 179 42000 2.441 23.7 184 43000 2.458 23.8 189 44100 2.577 24.3 194 45200 2.601 24.4 199 46300 2.622 24.5 204 47400 2.659 24.7 209 48500 2.785 25.2 214 49600 2.669 24.7 220 50900 2.441 23.7 224 51700 2.493 23.9 229 52800 2.608 24.4 234 53900 2.715 24.9 239 55000 2.63 24.5 244 56800 2.556 24.2 249 58600 2.521 24.1 254 60300 2.527 24.1 259 62100 2.665 24.7 264 63900 2.563 24.2 269 65700 2.208 22.6 274 67400 2.416 23.6 279 69200 2.373 23.4 284 71000 2.555 24.2 289 73500 2.529 24.1 294 76000 2.741 25 299 78600 2.767 25.1 304 81100 2.852 25.4 309 83600 2.896 25.6 314 86100 2.603 24.4 319 88700 2.525 24.1 324 91200 2.516 24 329 93700 2.607 24.4 334 96200 2.775 25.1 339 98800 2.939 25.8 344 101300 2.903 25.6 349 103800 3.017 26.1 354 106300 2.927 25.7 359 108900 2.849 25.4 364 111400 2.725 24.9 369 113900 2.757 25.1 374 116400 2.698 24.8 379 119000 3.13 26.5 384 121500 3.091 26.3 389 124000 3.385 27.3 394 125400 3.59 28 399 126800 3.621 28.1 404 128200 3.614 28.1 409 129600 3.158 26.6 414 131000 3.367 27.3 419 132700 3.058 26.2 423 134100 2.796 25.2 429 136200 2.522 24.1 434 138000 2.605 24.4 439 139700 2.491 23.9 444 141400 2.623 24.5 449 143200 2.419 23.6 454 144900 2.562 24.2 459 146700 2.573 24.3 464 148400 2.81 25.3 469 150100 2.501 24 474 151900 2.56 24.2 479 153600 2.306 23.1 484 155300 2.375 23.4 489 157100 2.246 22.8 494 158800 2.54 24.1 499 160600 2.553 24.2 504 162300 2.578 24.3 509 164000 2.382 23.4 512.8 165300 2.483 23.9 519 167500 2.302 23 524 169300 2.56 24.2 529 171000 2.444 23.7 534 173500 2.519 24 539 176000 2.343 23.2 544 178500 2.748 25 549 181000 2.419 23.6 554 183500 2.575 24.3 559 186000 2.332 23.2 564 188500 2.645 24.6 569 191000 2.438 23.7 574 192800 2.605 24.4 579 194500 2.569 24.3 584 196300 2.942 25.8 589 198100 2.784 25.2 594 199900 3.089 26.3 599 201600 2.768 25.1 604 203400 2.629 24.5 609 205200 2.601 24.4 614 207000 2.744 25 619 208700 2.765 25.1 624 210500 3.019 26.1 629 212300 3.115 26.4 634 214000 3.183 26.6 639 215800 3.025 26.1 644 217600 2.816 25.3 649 219400 2.533 24.1 654 221100 2.524 24.1 659 222900 2.402 23.5 664 224700 2.816 25.3 669 226500 2.615 24.5 674 228200 2.669 24.7 679 230000 2.753 25 684 233000 3.135 26.5 689 236000 3.172 26.6 694 239000 3.346 27.2 699 242000 3.52 27.8 704 245000 3.215 26.8 709 246800 2.884 25.6 714 248600 2.724 24.9 719 250400 2.65 24.6 724 252200 2.352 23.3 729 253900 2.427 23.6 734 255700 2.385 23.4 739 257500 2.46 23.8 743 259000 2.384 23.4 744 259300 2.476 23.9 749 261100 2.441 23.7 754 262900 2.425 23.6 759 264700 2.445 23.7 764 266500 2.495 23.9 769 268300 2.278 22.9 774 270100 2.333 23.2 779 271800 2.536 24.1 784 273600 2.337 23.2 789 275400 2.331 23.2 794 277200 2.414 23.6 799 279000 2.723 24.9 804 280800 2.468 23.8 809 282600 2.824 25.3 814 284300 2.839 25.4 819 286100 3.102 26.4 824 287900 3.071 26.3 829 289700 3.231 26.8 834 291500 2.8 25.2 839 293300 2.296 23 844 295000 2.385 23.4 849 296800 2.55 24.2 854 298600 2.388 23.5 859 300400 2.643 24.6 864 302200 2.665 24.7 869 303900 2.689 24.8 874 305700 2.636 24.6 879 307500 2.795 25.2 884 309300 2.846 25.4 889 311100 2.775 25.1 894 312800 2.919 25.7 899 314600 3.022 26.1 904 316400 2.772 25.1 909 318200 2.794 25.2 914 320000 2.894 25.6 919 321800 2.884 25.6 924 323500 2.885 25.6 929 325300 3.355 27.2 934 327100 3.174 26.6 939 328900 3.429 27.5 944 330700 3.088 26.3 949 332400 3.509 27.7 954 334200 3.31 27.1 959 336000 3.535 27.8 964 337000 3.113 26.4 969 338000 3.177 26.6 974 339000 2.858 25.5 979 340000 2.83 25.3 984 341000 2.674 24.7 989 342000 2.753 25 994 343000 2.588 24.3 999 344000 2.512 24 1004 346800 2.484 23.9 1009 349700 2.668 24.7 1014 352500 2.518 24 1019 355300 2.408 23.5 1024 358200 2.329 23.2 1029 361000 2.341 23.2