# NOAA Paleoclimatology Program - Paleocean Site Data # rc27-61a-tab.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: Mark A. Altabet # Core/Site: RC27-61 # Latitude: 17.00.00N ( 17) # Longitude: 60.00.00E ( 60) # Water Depth(m): 1893 # # Publications: # Altabet, M.A., D.W. Murray, and W.L. Prell. 1999. Climate-linked variations in # Arabian Sea denitrification over the last 1 m.y.: Implications for the marine # N cycle. Paleoceanography 14:732-743. #------------------ # # Description & Notes: # Arabian Sea denitrification during the past 1 Ma. # Precision: N% ± .005%, d15N ±0.15 # # Variables: # depth Depth (cm) # yrBP radiocarbon years B.P. (Libby half-life; B.P. = 1950) # d15N delta N15 # N% Nitrogen percent # # CORE: RC27-61 depth yrBP d15N N% 2 3700 9.04 0.09 12 6000 8.32 0.053 22 8300 8.17 0.047 32 10200 7.86 0.041 42 12000 6.7 0.037 52 13700 7.08 0.05 62 15500 5.89 0.056 72 17300 6.42 0.053 82 19000 6.26 0.102 92 20800 7.05 0.16 102 22600 6.41 0.058 112 24500 6.27 0.079 122 26300 6.94 0.088 132 28100 6.82 0.086 142 29900 7.09 0.064 152 32400 6.38 0.046 162 34900 7.74 0.072 172 37400 7.02 0.089 182 39900 7.82 0.092 192 42900 9 0.127 202 45800 6.62 0.067 212 48800 8.5 0.112 222 51800 8.97 0.077 232 54700 7.27 0.059 242 57600 8.1 0.061 252 60500 5.57 0.07 262 63400 5.29 0.05 272 67100 5.72 0.055 282 71400 8.1 0.086 292 75700 7.11 0.064 302 80000 6.82 0.057 312 84800 6.67 0.039 322 89500 8.46 0.068 332 94300 7.2 0.059 342 99000 7.29 0.048 352 108600 6.99 0.051 362 118200 7.63 0.052 372 124200 8.36 0.051 376 125200 7.05 0.036 386 127700 6.39 0.044 396 130100 6.65 0.068 406 132600 7.47 0.089 416 135000 7.87 0.095 426 136600 7.89 0.104 436 138200 8.67 0.199 446 139800 7.42 0.117 456 141400 6.48 0.093 466 143000 5.68 0.059 476 145400 6.03 0.056 486 147800 5.91 0.039 496 150200 5.91 0.042 506 152600 6.27 0.063 516 155000 7.03 0.073 526 158200 6.44 0.054 536 161400 6.52 0.05 546 164600 6.87 0.073 556 167800 8.17 0.07 566 171000 6.79 0.056 576 174300 6.97 0.054 586 177600 7.67 0.06 596 180900 7.18 0.064 606 184100 6.6 0.052 616 187400 8.13 0.058 626 190700 6.31 0.048 636 194000 7.66 0.047 646 205000 8.37 0.041 656 210000 9.03 0.058 666 216000 8.16 0.052 676 220000 7.77 0.05 686 224000 6.39 0.041 696 228000 6.58 0.039 706 230900 7.39 0.057 716 233700 7.09 0.053 726 236600 8.38 0.054 736 239100 8.08 0.047 746 241500 6.66 0.048 756 244000 6.87 0.057 766 246500 7.71 0.056 776 248900 -999 0.067 786 251400 7.51 0.075 796 253700 8.11 0.074 806 256000 8.69 0.071 816 258300 6.83 0.064 826 260600 7.06 0.057 836 263400 5.24 0.076 846 266200 5.91 0.039 856 269000 6.12 0.044 866 271800 6.11 0.04 876 275600 6.1 0.037 886 279400 6.39 0.045 896 283200 7.66 0.066 906 287000 8.07 0.057 916 290000 6.8 0.033 926 293000 4.81 0.048 936 296000 5.16 0.062 946 299000 7.46 0.049 956 310000 6.92 0.051 966 318400 6.13 0.056 976 326800 6.69 0.059 986 331800 6.86 0.046 996 334300 6.65 0.03 1006 336800 4.42 0.045 1016 339300 4.7 0.047 1026 341900 4.05 0.049 1036 344400 4.33 0.052 1046 349100 5.57 0.066 1056 353800 5.57 0.068 1066 358600 5.78 0.069 1076 363300 6.36 0.055 1086 368000 3.51 0.06 1096 370600 3.62 0.05