# Hall's Cave, Texas Sediment Record of dD, d13C, and %Ti Data over the last 20,000 years #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # Template Version 4.0 # Encoding: UTF-8 # NOTE: Please cite original publication, NOAA Landing Page URL, dataset and publication DOIs (where available), and date accessed when using downloaded data. # If there is no publication information, please cite investigator, study title, NOAA Landing Page URL, and date accessed. # # Description/Documentation lines begin with '#' followed by a space # Data lines have no '#' # # NOAA_Landing_Page: https://www.ncdc.noaa.gov/paleo/study/34492 # Landing_Page_Description: NOAA Landing Page of this file's parent study, which includes all study metadata. # # Study_Level_JSON_Metadata: https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/json/noaa-lake-34492.json # Study_Level_JSON_Description: JSON metadata of this data file's parent study, which includes all study metadata. # # Data_Type: Paleolimnology # # Dataset_DOI: 10.25921/7kbf-nt39 # # Science_Keywords: Last Glacial Maximum, Precipitation Reconstruction, Other Hydroclimate Reconstruction, centennial resolution #--------------------------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/paleolimnology/northamerica/usa/texas/sun2021/sun2021-halls-d13c-d2h.txt # Data_Download_Description: NOAA Template File; HC-2012 d2H and d13C Data # #--------------------------------------- # Contribution_Date # Date: 2021-10-26 #--------------------------------------- # File_Last_Modified_Date # Date: 2021-10-26 #--------------------------------------- # Title # Study_Name: Hall's Cave, Texas Sediment Record of dD, d13C, and %Ti Data over the last 20,000 years #--------------------------------------- # Investigators # Investigators: Sun, Chijun; Shanahan, Timothy; DiNezio, Pedro; McKay, Nicholas; Roy, Priyadarsi #--------------------------------------- # Description_Notes_and_Keywords # Description: Cave sediment record of dD_wax, d13C_OM, and %Ti from Hall's Cave, TX # Provided Keywords: Extreme rainfall, convective storms, centennial resolution #--------------------------------------- # Publication # Authors: Sun, Chijun; Shanahan, Timothy; DiNezio, Pedro; McKay, Nicholas; Roy, Priyadarsi # Published_Date_or_Year: 2021-12-01 # Published_Title: Great Plains storm intensity since the last glacial controlled by spring surface warming # Journal_Name: Nature Geoscience # Volume: 14 # Edition: # Issue: # Pages: 912-917 # Report_Number: # DOI: 10.1038/s41561-021-00860-8 # Online_Resource: # Full_Citation: # Abstract: Mesoscale convective systems (MCSs) supply a substantial portion of warm-season rainfall to the Great Plains of North America, and they are responsible for severe weather and flooding across the central United States. However, little is known about past behaviour and long-term drivers of these systems, limiting our ability to predict future extreme weather patterns in this region. Here, we generate a 20,000-year-long multiproxy record of storm intensity and hydroclimate variability from central Texas in the southern Great Plains and use transient climate model simulations to diagnose the dynamics of reconstructed changes in the climate of this region. We find that southern Great Plains storm intensity responded dynamically to external forcings associated with glacial boundary conditions and orbital forcing via changes in seasonal land surface warming. Springtime land surface warming steepens the zonal pressure gradient, producing an intensified southerly Great Plains low-level jet, enhancing southerly moisture transport and increasing springtime MCS intensity. Climate models predict a strengthening of the low-level jet in response to future warming, which our study suggests will lead to enhanced MCS activity and an increase in extreme weather across the Great Plains. #--------------------------------------- # Funding_Agency # Funding_Agency_Name: US National Science Foundation # Grant: AGS1702271 #--------------------------------------- # Funding_Agency # Funding_Agency_Name: UT-CONACYT ConTex # Grant: 2017-33 #--------------------------------------- # Site_Information # Site_Name: Hall's Cave, Texas # Location: Texas # Northernmost_Latitude: 30.14 # Southernmost_Latitude: 30.14 # Easternmost_Longitude: -99.53 # Westernmost_Longitude: -99.53 # Elevation_m: 677 #--------------------------------------- # Data_Collection # Collection_Name: HC-2012 isotopes Sun2021 # First_Year: 19279 # Last_Year: -0.9 # Time_Unit: calendar year before present # Core_Length_m: 3.05 # Parameter_Keywords: carbon isotopes, hydrogen isotopes # Notes: This is a sediment core of cave deposits. #--------------------------------------- # Chronology_Information # Chronology: # Chronological information for the Hall's Cave sediment sequence is based on previously reported AMS radiocarbon data from Cooke et al. (2003) and Bourne et al. (2016) # depth_top depth_bottom mat.dated 14C.raw 14C.raw_err datemeth reservoir delta-R delta-R_err_lo delta-R_err_up calib.14C calib.14C_2sig_lo calib.14C_2sig_up calib_method rejected notes # 5.5 5.5 gelatin 420 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 17.5 17.5 gelatin 1500 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 17.5 17.5 gelatin 1470 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 27.5 27.5 gelatin 2330 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 27.5 27.5 gelatin 2280 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 42.5 42.5 gelatin 2860 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 51 51 charcoal 3190 70 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 52.5 52.5 gelatin 3250 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 62.5 62.5 gelatin 4000 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 72.5 72.5 gelatin 4550 80 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 77 77 humins 5400 70 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 82.5 82.5 gelatin 4670 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 92.5 92.5 gelatin 5320 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 102.5 102.5 gelatin 6110 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 107.5 107.5 gelatin 7700 80 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 122.5 122.5 gelatin 8630 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 132.5 132.5 gelatin 8730 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 147.5 147.5 gelatin 10310 70 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 147.5 147.5 gelatin 10340 70 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 157.5 157.5 gelatin 11310 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 157.5 157.5 gelatin 11290 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 167.5 167.5 gelatin 11410 70 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 177.5 177.5 gelatin 11460 60 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 187.5 187.5 gelatin 11550 70 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 197.5 197.5 gelatin 12110 90 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 197.5 197.5 gelatin 12110 90 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 212.5 212.5 gelatin 14400 80 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 222.5 222.5 gelatin 12570 80 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 222.5 222.5 gelatin 12540 80 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 232.5 232.5 gelatin 12680 100 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Bourne et al. (2016) # 237.5 237.5 gelatin 14700 90 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 260 260 humic acid 15290 90 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 297.5 297.5 gelatin 16240 100 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 302.5 302.5 gelatin 16620 110 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 317.5 317.5 gelatin 16510 100 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 340.5 340.5 humic acid 16610 110 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # 347.5 347.5 gelatin 16770 100 14C AMS n/a n/a n/a n/a n/a n/a n/a n/a n/a Cooke et al. (2003) # #--------------------------------------- # Variables # PaST_Thesaurus_Download_Resource: https://www.ncei.noaa.gov/access/paleo-search/skos/past-thesaurus.rdf # PaST_Thesaurus_Download_Description: Paleoenvironmental Standard Terms (PaST) Thesaurus terms, definitions, and relationships in SKOS format. # # Data variables follow that are preceded by "##" in columns one and two. # Variables list, one per line, shortname-tab-var components: what, material, error, units, seasonality, data type, detail, method, C or N for Character or Numeric data) # ## depth_cm depth,,,centimeter,,paleolimnology,,,N,14C AMS ## age_calBP age,,,calendar year before present,,paleolimnology,,,N, ## d2HleafwaxC27ivc delta 2H,C27 n-alkane,,per mil VSMOW,,paleolimnology,corrected,isotope ratio mass spectrometry,N,corrected for ice volume and vegetation ## d13COM delta 13C,organic matter,,per mil PDB,,paleolimnology,,isotope ratio mass spectrometry,N, #------------------------ # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing_Values: -999 depth_cm age_calBP d2HleafwaxC27ivc d13COM 0.5 -0.9 -29.03 -18.69 2.5 167.65 -33.90 -18.57 3.5 251.95 -34.74 -20.39 4.5 336.2 -38.61 -19.75 5.5 419.6 -35.66 -20.26 6.5 501.85 -35.72 -21.59 7.5 583.95 -36.57 -21.44 8.5 666.35 -37.55 -21.43 9.5 748.6 -34.72 -21.55 10.5 826.15 -34.67 -20.68 11.5 899.1 -28.76 -19.91 12.5 971.95 -23.11 -17.21 13.5 1045.3 -28.93 -19.63 14.5 1119 -30.45 -18.89 15.5 1203.9 -25.54 -16.67 16.5 1300.2 -24.39 -17.39 17.5 1397 -27.81 -17.43 18.5 1493.7 -29.80 -19.58 19.5 1590.3 -26.44 -18.13 20.5 1683.4 -24.57 -16.59 21.5 1772.8 -25.39 -16.56 22.5 1862.4 -28.23 -16.6 24.5 2041.7 -25.61 -15.81 25.5 2122.6 -33.96 -19.22 26.5 2194.7 -33.16 -19.04 27.5 2266.9 -31.15 -19.03 28.5 2339.2 -35.80 -19.91 30.5 2468.3 -29.45 -19.68 32.5 2550.5 -33.47 -20.23 33.5 2591.6 -31.17 -20.79 34.5 2632.4 -29.61 -18.99 35.5 2674.7 -28.74 -20.41 36.5 2718.7 -26.37 -16.47 37.5 2762.9 -26.77 -18.61 38.5 2807.2 -18.95 -16.55 40.5 2898.2 -20.49 -13.71 42.5 3001.4 -20.16 -16.46 43.5 3053.2 -22.48 -16.94 44.5 3105.1 -17.43 -14.85 46.5 3196.8 -18.01 -14.29 48.5 3283.7 -11.19 -12.4 50.5 3381.4 -21.06 -15.19 51.5 3447.3 -21.58 -16.4 52.5 3513.3 -12.66 -12.39 53.5 3579.2 -22.08 -16.27 54.5 3644.4 -18.08 -14.89 55.5 3735.8 -15.40 -12.27 56.5 3854.4 -9.56 -10.87 57.5 3973.5 -10.29 -12.97 58.5 4092.5 -16.79 -14.15 59.5 4211.1 -11.57 -13.98 60.5 4305.8 -7.03 -11.62 61.5 4377.1 -12.30 -12.02 62.5 4449.3 -12.78 -12.82 63.5 4521.8 -12.01 -13.58 64.5 4594.4 -17.36 -12.14 65.5 4666.5 -15.80 -12.7 66.5 4738.1 -16.75 -13.72 67.5 4809.9 -22.12 -15.09 68.5 4881.9 -16.30 -13.05 69.5 4953.9 -17.96 -13.91 70.5 5020.5 -15.04 -13.7 71.5 5082.2 -16.48 -14.01 72.5 5144.7 -14.69 -12.58 73.5 5206.8 -19.91 -15.54 74.5 5268.1 -16.45 -15.32 75.5 5313.4 -17.65 -15.08 76.5 5342.1 -8.39 -11.38 77.5 5370.6 -8.82 -12.49 78.5 5399.1 -7.80 -10.87 86.5 5696.6 -13.35 -13.45 88.5 5813 -6.26 -10.5 90.5 5938.2 -12.84 -13.77 93.5 6166.7 -8.09 -11.22 94.5 6242.8 -4.71 -10.58 95.5 6318.6 -10.25 -11.88 96.5 6393.7 -6.70 -8.33 97.5 6468.4 -7.52 -10.98 98.5 6543.4 -13.91 -11.92 99.5 6618.5 -11.04 -11.88 100.5 6727.2 -10.94 -11.3 101.5 6869.4 -10.24 -12.67 102.5 7012.1 -10.80 -11.72 103.5 7155.8 -7.40 -10.37 104.5 7298.5 -5.24 -9.94 105.5 7536 -7.86 -11.06 106.5 7870.7 -6.61 -9.62 107.5 8206 -5.90 -10.48 108.5 8540.5 -5.89 -9.34 109.5 8874.7 -8.61 -10.7 110.5 9060.2 -9.93 -11.65 111.5 9096.7 -12.51 -12.89 113.5 9169.9 -13.00 -13.1 116.5 9310.4 -6.78 -10.685 117.5 9367.5 -9.86 -10.9 119.5 9483.1 -7.47 -13.02 120.5 9535.8 -11.64 -10.25 122.5 9629.3 -8.22 -9.24 123.5 9676.3 -7.34 -11.95 124.5 9723.1 -9.33 -10.93 126.5 9798.2 -13.02 -12.69 128.5 9864.9 -8.56 -12.06 129.5 9897.8 -9.59 -10.75 130.5 9936.3 -5.18 -10.78 132.5 10025 -3.07 -10.2 133.5 10069 -4.56 -9.98 134.5 10113 -1.85 -8.97 136.5 10334 -5.21 -8.8 137.5 10468 -7.33 -9.61 138.5 10600 -11.99 -9.92 140.5 10864 -12.99 -11.15 142.5 11128 -15.47 -13.2 144.5 11392 -16.62 -13.28 145.5 11557 -14.02 -12.68 147.5 11957 -21.37 -15.39 148.5 12156 -24.61 -14.88 150.5 12524 -29.12 -15.57 152.5 12806 -21.58 -10.97 153.5 12947 -30.03 -16.08 154.5 13089 -29.90 -16.95 155.5 13169 -33.27 -17.32 160.5 13256 -26.99 -14.36 164.5 13298 -25.08 -13.77 169.5 13350 -26.57 -15.41 172.5 13382 -28.58 -15.09 177.5 13439 -28.77 -15.78 180.5 13477 -30.09 -16.57 184.5 13537 -29.62 -16.25 188.5 13611 -23.27 -14.73 192.5 13750 -26.56 -17.43 195.5 13883 -15.65 -9.94 196.5 13930 -20.35 -10.71 200.5 14117 -16.32 -10.2 204.5 14289 -18.22 -10.13 206.5 14374 -22.24 -14.34 208.5 14458 -16.68 -8.29 211.5 14578 -13.01 -8.18 213.5 14658 -22.01 -11.26 219.5 14873 -12.70 -6.86 220.5 14910 -19.03 -10.1 221.5 14947 -21.04 -10.57 228.5 15284 -23.74 -10.3 229.5 15341 -25.19 -9.83 231.5 15486 -22.58 -8.99 232.5 15564 -20.28 -9.43 233.5 15641 -24.39 -8.52 234.5 15718 -23.21 -9.34 235.5 15905 -19.80 -7.56 237.5 16502 -21.55 -8.09 238.5 16802 -21.91 -10.18 240.5 17279 -21.73 -8.23 244.5 17539 -20.10 -8.09 247.5 17729 -19.35 -8.93 249.5 17857 -23.03 -10 252.5 18036 -24.31 -8.6 253.5 18095 -20.13 -9.23 256.5 18274 -22.60 -10.29 260.5 18507 -23.01 -10.34 263.5 18612 -25.00 -10.21 268.5 18772 -25.35 -10.22 272.5 18893 -19.53 -9.15 275.5 18984 -23.25 -11.24 279.5 19106 -20.63 -9.83 284.5 19250 -19.66 -8.65 285.5 19279 -20.03 -10.27