# Labrador Sea Oxygen Isotope, Geochemistry and Lithology Data Covering the Last 40,000 Years #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # NOTE: Please cite original publication, online resource and date accessed when using this data. # If there is no publication information, please cite Investigator, title, online resource and date accessed. # # Description/Documentation lines begin with # # Data lines have no # # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/23431 # Description: NOAA Landing Page # Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/paleocean/by_contributor/hoffman2018/hoffman2018-006pc-isotope.txt # Description: NOAA location of the template # # Archive: Paleoceanography # # Dataset_DOI: # # Parameter_Keywords: oxygen isotopes, geochemistry, lithology, chronology #--------------------------------------- # Contribution_Date # Date: 2018-02-26 #--------------------------------------- # File_Last_Modified_Date # Date: 2018-02-26 #--------------------------------------- # Title # Study_Name: Labrador Sea Oxygen Isotope, Geochemistry and Lithology Data Covering the Last 40,000 Years #--------------------------------------- # Investigators # Investigators: Hoffman, Jeremy S.; Clark, Peter U.; Mix, Alan C.; Haley, Brian A. #--------------------------------------- # Description_Notes_and_Keywords # Description: XRF measurements performed at the Bedford Institute of Oceanography. XRD performed by John Andrews at INSTAAR. See dissertation chapter for details. Detailed metadata available from the Oregon State University Stable Isotope Lab. # Provided Keywords: Glacial, last deglacial #--------------------------------------- # Publication # Authors: Hoffman, J.S. # Published_Date_or_Year: 2016 # Published_Title: Ocean Temperature Variability during the Late Pleistocene # Journal_Name: Ph.D. Dissertation # Volume: # Edition: # Issue: # Pages: # Report Number: # DOI: # Online_Resource: # Full_Citation: Hoffman, J.S., 2016, Ocean Temperature Variability during the Late Pleistocene; Ph.D. Dissertation, Oregon State University, Corvallis, OR # Abstract: #--------------------------------------- # Funding_Agency # Funding_Agency_Name: National Science Foundation # Grant: MG&G 1335197 #--------------------------------------- # Site Information # Site_Name: HU2006040-006 # Location: North Atlantic Ocean # Country: # Northernmost_Latitude: 54.7 # Southernmost_Latitude: 54.7 # Easternmost_Longitude: -52.9 # Westernmost_Longitude: -52.9 # Elevation: -736 #--------------------------------------- # Data_Collection # Collection_Name: HU2006040-006 Isotopes Hoffman2018 # First_Year: 39264 # Last_Year: 1338 # Time_Unit: cal yr BP # Core_Length: # Notes: Piston core (pc) #--------------------------------------- # Chronology_Information # Chronology: # # UCI Sample ID Species Sample Depth (cm) 14C age (BP) ± # 159434 Mixed planktonics -006pc_1 1 1800 25 # 159432 N. pachyderma (s) -006pc_21 21 8800 30 # 169233 N. pachyderma (s) -006pc_52 52 9015 25 # RAPID N. pachyderma (s) -006pc_52 52 8950 100 # 169234 N. pachyderma (s) -006pc_60 60 9085 25 # RAPID N. pachyderma (s) -006pc_60 60 8960 90 # 169235 N. pachyderma (s) -006pc_75 75 9395 25 # RAPID N. pachyderma (s) -006pc_75 75 9660 100 # 169236 N. pachyderma (s) -006pc_90 90 10020 25 # RAPID N. pachyderma (s) -006pc_90 90 9850 100 # 159433 N. pachyderma (s) -006pc_101 101 10360 30 # 169237 N. pachyderma (s) -006pc_119 119 11550 30 # RAPID N. pachyderma (s) -006pc_119 119 11980 150 # 169238 N. pachyderma (s) -006pc_135 135 14495 45 # RAPID N. pachyderma (s) -006pc_135 135 14350 190 # 169239 N. pachyderma (s) -006pc_140 140 15305 45 # RAPID N. pachyderma (s) -006pc_140 140 14830 230 # 159435 N. pachyderma (s) -006pc_151 151 14935 40 # 169240 N. pachyderma (s) -006pc_154 154 15445 45 # RAPID N. pachyderma (s) -006pc_154 154 15690 240 # 129214 N. pachyderma (s) -006pc_201 201 16995 40 # 169241 N. pachyderma (s) -006pc_225 225 18210 70 # RAPID N. pachyderma (s) -006pc_225 225 18390 320 # 169242 N. pachyderma (s) -006pc_245 245 19850 80 # RAPID N. pachyderma (s) -006pc_245 245 20270 410 # 169243 N. pachyderma (s) -006pc_270 270 22160 110 # RAPID N. pachyderma (s) -006pc_270 270 22010 520 # 169244 N. pachyderma (s) -006pc_285 285 23890 140 # RAPID N. pachyderma (s) -006pc_285 285 24420 690 # 129215 N. pachyderma (s) -006pc_301 301 23390 80 # 159436 N. pachyderma (s) -006pc_401 401 28680 170 # 169245 N. pachyderma (s) -006pc_420 420 33970 450 # RAPID N. pachyderma (s) -006pc_420 420 32700 2000 # # Radiocarbon concentrations are given as fractions of the Modern standard, D14C, and conventional radiocarbon age, following the conventions of NaN NaN NaN NaN NaN # Stuiver and Polach (Radiocarbon, v. 19, p.355, 1977). NaN NaN NaN NaN NaN # Sample preparation backgrounds have been subtracted, based on measurements of 14C-free calcite. NaN NaN NaN NaN NaN # All results have been corrected for isotopic fractionation according to the conventions of Stuiver and Polach (1977), with d13C values measured on NaN NaN NaN NaN NaN # prepared graphite using the AMS spectrometer. These can differ from d13C of the original material, if fractionation ocurred during sample graphitization NaN NaN NaN NaN NaN # or the AMS measurement, and are not shown. NaN NaN NaN NaN NaN # All radiocarbon dates were calculated using the MARINE13 calibration curve (Reimer et al, 2013) with standard 400-year reservoir correction using OxCal 4.2 (Bronk Ramsey, 2009). NaN NaN NaN NaN NaN # Radio carbon dates were measured at the University of California-Irvine under the supervision of John Southon. NaN NaN NaN NaN NaN # #--------------------------------------- # Variables # Data variables follow that are preceded by "##" in columns one and two. # Variables list, one per line, shortname-tab-longname components (9 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data) ## depth_cm depth,,,centimeter,,paleoceanography,,,N, ## Marine13_age age,,,calendar year before present,,paleoceanography,,,N,used MARINE13 calibration curve ## d18O_Nps delta 18O,Neogloboquadrina pachyderma sinistral,,per mil PDB,,paleoceanography,,,N, ## d18O_Nps_IVC delta 18O,Neogloboquadrina pachyderma sinistral,,per mil PDB,,paleoceanography,,,N,ice-volume corrected using Waelbroeck et al. 2002 at the Marine13 age ## d13C_Nps delta 13C,Neogloboquadrina pachyderma sinistral,,per mil PDB,,paleoceanography,,,N, ## d18O_Ct delta 18O,Cassidulina neoteretis,,per mil PDB,,paleoceanography,,,N, ## d18O_Ct_IVC delta 18O,Cassidulina neoteretis,,per mil PDB,,paleoceanography,,,N,ice-volume corrected using Waelbroeck et al. 2002 at the Marine13 age ## d13C_Ct delta 13C,Cassidulina neoteretis,,per mil PDB,,paleoceanography,,,N, #------------------------ # Data # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing Value: N/A depth_cm Marine13_age d18O_Nps d18O_Nps_IVC d13C_Nps d18O_Ct d18O_Ct_IVC d13C_Ct 1 1338 2.78 2.8 0.61 N/A N/A N/A 2.5 1948 2.86 2.9 0.75 3.21 3.21 -0.26 4 2557 2.86 2.9 0.74 3.23 3.23 -0.44 6 3370 2.81 2.8 0.68 3.21 3.20 -0.29 8 4183 2.63 2.6 0.55 3.11 3.10 -0.51 10 4996 2.61 2.6 0.48 3.03 3.01 -0.58 15 7028 2.74 2.7 0.4 3.15 3.10 -0.54 20 9060 2.63 2.5 0.23 3.21 3.04 -0.49 21 9466 2.59 2.4 0.33 N/A N/A N/A 23.5 9483 2.68 2.5 0.32 3.23 3.02 -0.65 25 9494 2.78 2.6 0.22 3.03 2.82 -0.75 30 9529 2.74 2.5 0.37 3.34 3.13 -0.55 33 9550 2.81 2.6 0.3 3.43 3.21 -0.42 40 9598 2.83 2.6 0.21 3.25 3.03 -0.4 45 9633 2.94 2.7 0.21 3.21 2.98 -0.42 50 9668 2.83 2.6 0.18 3.3 3.07 -0.45 51 9675 2.87 2.6 0.24 N/A N/A N/A 52 9682 2.85 2.6 0.35 3.04 2.81 -0.57 54 9711 2.78 2.5 0.33 3.19 2.96 -0.6 56 9741 2.8 2.6 0.24 3.37 3.13 -0.45 58 9770 2.82 2.6 0.3 3.3 3.06 -0.61 60 9799 2.97 2.7 0.28 3.14 2.90 -0.62 65 9941 2.96 2.7 0.25 3.17 2.91 -0.53 70 10082 2.97 2.7 0.28 3.37 3.09 -0.46 75 10224 2.92 2.6 0.23 3.2 2.91 -0.54 77 10330 2.89 2.6 0.25 3.25 2.95 -0.53 79 10436 2.95 2.6 0.27 3.34 3.02 -0.48 81 10542 3.02 2.7 0.27 3.27 2.94 -0.57 83 10649 2.92 2.6 0.28 3.33 2.99 -0.58 85 10755 3.04 2.7 0.34 3.48 3.13 -0.46 90 11020 3.09 2.7 0.3 3.61 3.23 -0.39 95 11192 3.07 2.7 0.23 3.79 3.39 -0.56 100 11364 2.96 2.5 0.22 3.54 3.11 -0.52 101 11398 2.93 2.5 0.13 N/A N/A N/A 105 11760 2.92 2.4 0.16 3.44 2.96 -0.27 110 12212 3.08 2.5 0.02 3.35 2.82 -0.49 115 12664 3.41 2.8 0.21 3.95 3.36 -0.4 117 12845 3.23 2.6 0.09 3.62 3.01 -0.6 119 13026 3.4 2.8 0.27 3.51 2.88 -0.29 121 13540 3.28 2.6 0.36 3.52 2.83 -0.32 123 14055 3.39 2.6 0.33 3.56 2.80 -0.23 125 14569 3.63 2.8 0.29 3.42 2.62 -0.27 130 15855 3.75 2.8 0.22 4.25 3.34 -0.25 135 17141 3.98 3 0.08 4.66 3.69 -0.41 140 17551 3.97 3 -0.11 4.59 3.60 -0.58 145 17625 3.56 2.6 0.04 4.1 3.11 -0.62 150 17699 3.42 2.4 -0.09 4.56 3.57 -0.64 151 17714 3.57 2.6 -0.13 N/A N/A N/A 152 17899 3.86 2.9 -0.06 4.63 3.63 -0.57 154 18269 4.17 3.2 -0.16 4.98 3.97 -0.57 156 18343 4.93 3.9 0.2 5.06 4.05 -0.56 158 18418 4.16 3.1 0.02 4.96 3.94 -0.62 160 18492 4.23 3.2 -0.03 5.33 4.31 -0.51 165 18678 4.68 3.7 -0.07 5.26 4.24 -0.68 190 19607 4.96 3.9 0.05 5.34 4.31 -0.62 195 19793 4.84 3.8 -0.06 5.25 4.21 -0.6 200 19979 4.82 3.8 -0.09 5.39 4.35 -0.51 201 20016 4.7 3.7 -0.09 N/A N/A N/A 205 20276 4.8 3.8 0.06 5.26 4.22 -0.74 210 20600 4.85 3.8 0.09 5.25 4.22 -0.6 215 20924 4.86 3.8 -0.05 5.39 4.36 -0.49 220 21249 4.66 3.6 0 5.31 4.29 -0.47 225 21573 4.82 3.8 0.03 5.4 4.38 -0.53 230 22032 4.7 3.7 0.01 5.16 4.15 -0.32 235 22492 4.61 3.6 -0.03 5.2 4.19 -0.25 240 22951 4.77 3.8 0 4.92 3.92 -0.34 245 23410 4.57 3.6 -0.08 5.19 4.20 -0.28 247 23617 4.73 3.7 0.01 5.11 4.13 -0.66 251 24030 4.38 3.4 -0.01 N/A N/A N/A 255 24444 4.45 3.5 -0.11 4.95 3.99 -0.14 257 24651 4.41 3.5 -0.05 5.02 4.07 -0.07 259 24858 4.56 3.6 -0.06 4.99 4.04 -0.1 261 25064 4.54 3.6 -0.05 5.02 4.08 0.02 263 25271 4.53 3.6 -0.3 4.77 3.84 -0.25 265 25478 4.35 3.4 -0.2 4.9 3.98 -0.25 270 25995 4.51 3.6 0 5.02 4.12 -0.36 275 26545 4.5 3.6 0.06 4.86 3.98 -0.25 280 27096 4.6 3.7 0.06 4.96 4.10 -0.22 285 27646 4.44 3.6 0 5.01 4.18 -0.21 290 27840 4.61 3.8 0.06 4.98 4.16 -0.38 295 28035 4.28 3.5 -0.25 N/A N/A N/A 300 28229 4.65 3.9 0.02 4.83 4.03 -0.44 301 28268 4.4 3.6 0 N/A N/A N/A 302 28307 4.46 3.7 -0.09 4.52 3.73 -0.25 304 28384 4.38 3.6 -0.11 4.69 3.90 -0.52 306 28462 4.34 3.6 -0.08 4.79 4.01 -0.52 310 28617 4.29 3.5 -0.21 4.08 3.31 -0.56 315 28812 3.86 3.1 -0.2 3.38 2.62 -0.36 317 28889 4.05 3.3 -0.16 3.64 2.88 -0.34 320 29006 3.93 3.2 -0.15 4.15 3.40 -0.44 325 29200 3.73 3 -0.12 3.67 2.93 -0.54 330 29394 4.13 3.4 -0.03 3.72 2.99 -0.46 335 29589 3.75 3 -0.03 3.64 2.91 -0.54 351 30210 4.37 3.7 -0.09 N/A N/A N/A 385 31531 4.18 3.5 -0.08 4.6 3.92 -0.22 390 31726 4.23 3.6 -0.18 4.15 3.48 -0.4 395 31920 4.36 3.7 0.01 4.78 4.11 -0.34 400 32114 4.38 3.7 0.05 5 4.33 -0.15 401 32153 4.33 3.7 0.15 N/A N/A N/A 405 33347 4.33 3.7 0.14 5.06 4.39 -0.19 410 34839 4.23 3.6 0.25 4.9 4.22 -0.19 415 36331 4.06 3.4 0.32 4.81 4.15 -0.1 420 37823 4.07 3.5 0.21 4.91 4.33 -0.04 425 38273 4.01 3.4 0.21 4.91 4.35 -0.2 430 38724 3.94 3.4 -0.09 3.79 3.24 -0.61 432 38904 N/A N/A N/A 3.39 2.84 -0.77 434 39084 N/A N/A N/A 3.98 3.44 -0.39 436 39264 N/A N/A N/A 3.26 2.72 -0.81