# Ball Gown Cave, tropical Western Australia, stable isotope delta 18O data #----------------------------------------------------------------------- # World Data Center for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # NOTE: Please cite Publication, and Online_Resource and date accessed when using these data. If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed. # # Online_Resource: https://www.ncdc.noaa.gov/paleo-search/study/14648 # Online_Resource: ftp://ftp.ncdc.noaa.gov/pub/data/paleo/speleothem/australia/ballgowncave2013wg5.txt # # Original_Source_URL: # # Description/Documentation lines begin with # # Data lines have no # # # Archive: Speleothem # # Parameter_Keywords: oxygen isotopes #-------------------- # Contribution_Date # Date: 2013-06-17 #-------------------- # Title # Study_Name: Ball Gown Cave, tropical Western Australia, stable isotope delta 18O data #-------------------- # Investigators # Investigators: Denniston,R.F.;Wyrwoll,K-H.;Asmerom,Y.;Polyak,V.J.;Humphreys,W.F.;Cugley,J.;Woods,D.;LaPointe,Z.;Peota,J.;Greaves,E. #-------------------- # Description_and_Notes # A discontinuous, U-Th-dated, stalagmite oxygen isotopic time series from six stalagmites from Ball Gown Cave, tropical Western Australia. # These data are interpreted as tracking Last Glacial through early Holocene variability in the Indo-Australian summer monsoon. # Note: Data file updated 4/2017. U-Th chronology table added, plus updated age estimates and stalagmite raw depth/distance values. #-------------------- # Publication # Authors: Rhawn F. Denniston, Karl-Heinz Wyrwoll, Yemane Asmerom, Victor J. Polyak, William F. Humphreys, John Cugley, David Woods, Zachary LaPointe, Julian Peota, Elizabeth Greaves # Published_Date_or_Year: 2013 # Published_Title: North Atlantic Forcing of Millennial-Scale Australian Monsoon Variability during the Late Glacial. # Journal_Name: Quaternary Science Reviews # Volume: 72 # Edition: # Issue: # Pages: 159-168 # Report_Number: # DOI: 10.1016/j.quascirev.2013.04.012 # Publication_Place: # Publisher: # ISBN: # Online_Resource: # Other_Reference_Details: # Full_Citation: # Abstract: Recent studies of the Last Glacial period Indo-Australian summer monsoon (IASM) have revealed links to both northern and southern hemisphere high latitude climate as well as to regional ocean conditions. Particular interest has been paid to the monsoon response to Heinrich events, with variability explained by meridional shifts in positioning of the intertropical convergence zone (ITCZ), but this model has not been adequately tested. In addition, the shorter-lived Dansgaard/Oeschger (D/O) events have not been detected (beyond D/O-1, the Bølling/Allerød) in land-based records from the Indo-Pacific, despite their prominent expression in stalagmites from southern Asia, raising questions about the sensitivity of the IASM to these events. Here we present a Southern Hemisphere stalagmite oxygen isotopic time series from Ball Gown Cave (BGC), tropical northern Australia, located on the margins of the modern austral summer ITCZ, that spans 40e31 and 27e8 ka. Elevated IASM rainfall coincides with Heinrich stadials and the Younger Dryas, while decreased rainfall characterizes D/O interstadials, a response that is antiphased with sites spanning the Indo-Pacific Warm Pool and with Chinese records of the East Asian summer monsoon. The BGC time series thus reveals a precipitation dipole consistent with a southward northward) migration of the ITCZ during periods of high northern latitude cooling (warming) as the primary driver of millennial-scale IASM variability during the Last Glacial period. Our record indicates a strengthening of the IASM after the Younger Dryas period, likely as a result of rising sea level and sea surface temperatures, breaking the link with the high latitudes. #------------------ # Funding_Agency # Funding_Agency_Name: US National Science Foundation # Grant: AGS-1103413 #------------------ # Site_Information # Site_Name: Ball Gown Cave # Location: Western Australia # Region: # Country: Australia # Northernmost_Latitude: -17.333333 # Southernmost_Latitude: 124.083333 # Easternmost_Longitude: -17.333333 # Westernmost_Longitude: 124.083333 # Elevation: 100 m #------------------ # Data_Collection # Collection_Name: WG5 # Earliest_Year: 27128 # Most_Recent_Year:22772 # Time_Unit: calendar years BP # Core_Length: # Notes: #------------------ # Species: #------------------ # Chronology: # # Age models (distance vs age) were constructed in Excel using either linear interpolation or polynomials, # the latter of which were, in some cases, forced through the data using dummy variables (e.g., artificial dates) # to maintain stratigraphic superposition within each stalagmite. For specifics, please see the original publication. # # # Stalagmite Distance to Top (mm)*a 238U (ng/g) 232Th (pg/g) d234U*b (corr'd) Error*c 230Th/238U (activity) Error 230Th/232Th (ppm) Error Uncorrected Age (yr BP)*d Error (yr) Corrected Age (yr BP)*e Error (yr) # 5 769 31.5 2,427 339.1 2.3 0.2972 0.004 63.6 1.4 27,690 400 26,000 1,730 # 5 727 24.2 2,901 349.6 3 0.3036 0.004 41.9 0.7 28,110 440 25,500 2,650 # 5 463 31 581 345.5 1.6 0.2807 0.003 247 13.2 25,820 290 25,420 500 # 5 435 29.3 886 359.2 1.9 0.2923 0.004 159.7 47.4 26,730 450 26,090 790 # 5 361 29.5 2,916 367.8 3.7 0.3036 0.003 50.7 0.9 27,690 360 25,570 2,150 # 5 297 23.7 999 359.5 2.2 0.3057 0.005 119.8 5 28,130 510 27,230 1,040 # 6 674 41.2 3,064 356.5 2.4 0.0975 0.004 21.7 1 8,160 340 6,550 1,640 # 6 664 45.5 5,129 364.1 3 0.1029 0.003 14.7 0.4 8,575 250 6,070 2,510 # 6 649 51.6 5,081 350.2 2.5 0.1107 0.001 18.6 0.2 9,364 120 7,220 2,140 # 6 565 134.5 7,996 367.1 1.9 0.1303 0.001 36.2 0.3 10,980 70 9,710 1,270 # 6 526 33.1 1,467 363.2 1.9 0.1391 0.003 51.7 1.7 11,800 270 10,850 990 # 6 496 41 1,667 374.5 1.9 0.1422 0.004 57.7 2.8 11,980 330 11,110 920 # 6 484 56.3 5,341 372.1 2.8 0.1509 0.004 426.3 0.7 12,770 320 10,740 2,050 # 6 472 90.3 1,523 373.7 1.5 0.1396 0.002 136.6 6.8 11,750 190 11,390 410 # 6 463 54.2 7,104 371.3 3.4 0.1634 0.003 20.6 0.4 13,900 270 11,090 2,830 # 6 423 143.2 16,113 367.5 2.9 0.1655 0.001 24.3 0.2 14,140 110 11,720 2,420 # 6 356 33.4 2,564 372.6 2.7 0.1641 0.004 35.3 1.2 13,970 400 12,330 1,680 # 6 255 Isochron - see below 15,100 1,500 # 6 – iso 1 255 278 264,209 377.1 4 0.3286 0.001 5.7 0.02 29,750 140 15,200 3,480 # 6 – iso 2 255 166.3 129,450 357.5 5.7 0.2888 0.001 6.1 0.03 26,140 140 15,020 5,430 # 6 – iso 3 255 156.5 46,373 370 3.4 0.2233 0.001 12.4 0.1 19,460 140 13,590 2,900 # 6 – iso 4 255 155.1 31,517 378.1 1.6 0.2105 0.002 17.1 0.2 18,200 160 17,760 270 # 6 – iso 5 255 171.3 66,900 374.3 1.6 0.2314 0.001 9.8 0.1 20,260 130 19,410 440 # 6 33 26.2 1,115 376.1 3.1 0.2035 0.005 79 3.4 17,590 430 16,690 1,000 # 10 602 39.5 492 390.2 3.1 0.3902 0.003 517.2 40.8 36,610 340 36,350 430 # 10 546 40.3 120 384.1 1.5 0.4026 0.002 2,226.70 483 38,230 280 38,170 290 # 10 431 50.6 219 388.9 1.5 0.4123 0.002 1,575.40 141.4 39,200 210 39,110 230 # 10 315 69.9 1,756 393.6 1.6 0.4135 0.001 271.8 2.7 39,170 160 38,640 550 # 11 151 50.7 4,113 431.7 2.8 0.1478 0.005 30.1 84.9 11,940 440 10,290 1,720 # 11 113 73.9 7,052 452.3 2.9 0.1452 0.002 25.1 56.7 11,550 170 9,620 1,930 # 11 91 70.7 2,623 466.7 1.8 0.1376 0.001 61.2 0.7 10,810 80 10,070 740 # 14 139 32.8 4,011 630.6 5.2 0.2825 0.004 38.2 0.7 20,990 330 18,790 2,220 # 14 89 21.1 799 554.9 3.5 0.2937 0.012 128.2 16.7 23,150 1,030 22,440 1,260 # 14 72 30.5 937 597.2 2.1 0.2932 0.004 157.7 7.1 22,430 310 21,870 640 # 14 63 22.2 1,102 559 3.6 0.2836 0.004 94.5 3.1 22,190 350 21,260 990 # 14 8 35.9 1,536 549.4 3.4 0.3092 0.007 119.5 7.3 24,630 590 23,820 1,000 # 16 819 37 1,267 387.6 2.3 0.3554 0.003 171.2 4.9 32,790 320 32,070 790 # 16 724 40.4 390 380.1 1.9 0.3584 0.003 612.5 58.7 33,350 290 33,140 360 # 16 506 42.4 2,180 390.6 2 0.4023 0.005 129.1 3.2 37,960 570 36,870 1,220 # 16 339 69.7 2,338 386.6 1.7 0.3771 0.001 185.7 2.1 35,230 150 34,520 720 # 16 187 40 456 387.2 1.6 0.3952 0.004 572.5 49.3 37,280 420 37,040 480 # # *a Distances are relative to the base of the stalagmite. # *b d234Umeas’d = [(234U/238U)meas'd/(234U/238U)eq-1] x 103, where (234U/238U)eq is secular equilibrium activity ratio: L238/L234 = 1.0. Values are reported as permil. # *c Errors are at the 2sigma level. # *d Present is defined as the year AD 1950. # *e Initial 230Th/232Th atomic ratio of 4.4 x 10-6 ± 50% used to correct for unsupported 230Th. # #---------------- # Variables # ## depth_mm distance from stalagmite base, , , mm, , , , ,N ## age_calBP Age,,,,calendar years BP,,reference period: 8370-40100 yr_BP,,N ## age_calBPcor Age corrected,,,,calendar years BP,,age model in corrigendum to original article,,N ## d18OcarbVPDB delta 18O,calcium carbonate,,,per mil VPDB,speleothem,,,N #---------------- # Data # Missing_Values: # # Data line format - tab-delimited text, variable short name as header depth_mm age_calBP age_calBPcor d18OcarbVPDB 300 27128 26991 -2.98 305 27087 26961 -3.50 310 27047 26931 -2.89 315 27006 26901 -3.63 320 26965 26870 -2.35 325 26925 26840 -3.03 330 26884 26810 -3.51 335 26843 26779 -2.66 340 26802 26749 -3.09 345 26762 26719 -3.17 350 26721 26689 -3.19 355 26680 26658 -3.79 360 26640 26628 -4.61 365 26599 26598 -3.42 370 26558 26568 -2.03 375 26517 26537 -2.91 380 26477 26507 -4.18 385 26436 26477 -6.06 390 26395 26446 -3.61 395 26355 26416 -4.78 400 26314 26386 -5.30 405 26273 26356 -5.52 410 26232 26325 -2.74 415 26192 26295 -3.03 420 26151 26265 -2.35 425 26110 26234 -3.81 430 26070 26204 -5.13 435 26029 26174 -4.41 440 25988 26144 -3.82 445 25947 26113 -4.77 450 25907 26083 -4.77 455 25866 26053 -4.46 460 25825 26023 -4.49 465 25785 25992 -2.38 470 25744 25962 -3.66 475 25703 25932 -2.94 480 25662 25901 -2.93 485 25622 25871 -3.07 490 25581 25841 -3.35 495 25540 25811 -5.38 500 25500 25780 -6.24 505 25459 25750 -3.35 510 25418 25720 -3.59 515 25377 25689 -3.3 520 25337 25659 -5.4 525 25296 25629 -4.68 530 25255 25599 -3.46 535 25215 25568 -3.29 540 25174 25538 -5.17 545 25133 25508 -3.31 550 25092 25478 -4.23 555 25052 25447 -4.48 560 25011 25417 -4.91 565 24970 25387 -5.99 570 24930 25356 -5.29 575 24889 25326 -3.31 580 24848 25296 -3.3 585 24807 25266 -4.76 590 24767 25235 -4.44 595 24726 25205 -4.88 600 24685 25175 -3.72 605 24645 25144 -5.65 610 24604 25114 -4.97 615 24563 25084 -5.45 620 24522 25054 -4.42 625 24482 25023 -3.6 630 24441 24993 -4.21 635 24400 24963 -5.25 640 24360 24933 -3.03 645 24319 24902 -3.73 650 24278 24872 -2.95 655 24237 24842 -4.87 660 24197 24811 -5.71 665 24156 24781 -4.61 670 24115 24751 -5.2 675 24075 24721 -4.76 680 24034 24690 -4.21 685 23993 24660 -2.83 690 23952 24630 -4.71 695 23912 24599 -2.26 700 23871 24569 -3.25 705 23830 24539 -4.11 710 23790 24509 -3.48 715 23749 24478 -2.04 720 23708 24448 -4.7 725 23667 24418 -5.1 730 23627 24388 -4.02 735 23586 24357 -0.97 740 23545 24327 -4.57 745 23505 24297 -4.63 750 23464 24266 -4.02 755 23423 24236 -4.39 760 23382 24206 -3.82 765 23342 24176 -4.77 770 23301 24145 -3.71 775 23260 24115 -5.47 780 23220 24085 -2.76 785 23179 24055 -4.5 790 23138 24024 -4.83 795 23097 23994 -4.02 800 23057 23964 -3.92 805 23016 23933 -4.59 810 22975 23903 -4.9 815 22935 23873 -4.54 820 22894 23843 -5.48 825 22853 23812 -4.32 830 22812 23782 -5.34 835 22772 23752 -4.56