# Wulu Cave, Southern China Heinrich Stadial 5 Stalagmite Stable Isotope and Trace Element Data #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program # National Centers for Environmental Information (NCEI) #----------------------------------------------------------------------- # 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 # # Data lines have no # # # NOAA_Landing_Page: https://www.ncdc.noaa.gov/paleo/study/34213 # 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-cave-34213.json # Study_Level_JSON_Description: JSON metadata of this data file's parent study, which includes all study metadata. # # Data_Type: Speleothems # # Dataset_DOI: # # Science_Keywords: Heinrich events #-------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/speleothem/asia/china/wulu2021elem.txt # Data_Download_Description: # # Supplemental_Download_Resource: # Supplemental_Description: # # Related_Online_Resource: # Related_Online_Description: # # Original_Source_URL: # Original_Source_Description: #-------------------- # Contribution_Date # Date: 2021-09-27 #-------------------- # File_Last_Modified_Date # Date: 2021-09-27 #-------------------- # Title # Study_Name: Wulu Cave, Southern China Heinrich Stadial 5 Stalagmite Stable Isotope and Trace Element Data #-------------------- # Investigators # Investigators: Liu, D.B.; Wang, Y.J.; Liu, S.S.; Mi, X. #-------------------- # Description_Notes_and_Keywords # Description: Stable isotope (d13C and d18O) and trace element (Mg/Ca, Ba/Ca, Sr/Ca) data of stalagmite Wu88 from Wulu Cave, southern China, U-Th dated over the Heinrich Stadial (HS) 5. #-------------------- # Publication # Authors: Dianbing Liu, Yongjin Wang, Shushuang Liu, Xiang Mi # Published_Date_or_Year: 2021 submitted # Published_Title: Varying sensitivity of ASM circulation and rainfall surrounding HS 5 # Journal_Name: Geophysical Research Letters # Volume: # Edition: 2021GL096324 # Issue: # Pages: # Report_Number: # DOI: # Publisher: # ISBN: # Online_Resource: # Other_Reference_Details: # Full_Citation: # Abstract: Asian summer monsoon (ASM) circulation and precipitation changes were reconstructed, covering Chinese Interstadial (CIS) 13 to Heinrich Stadial (HS) 5, from stalagmite δ18O and trace element records from Wulu Cave in southern China. During CIS 13, depleted δ18O and elevated element values imply a concurrence of strong ASM and high precipitation at southern China. In mid-HS 5, the ASM intensity significantly declined, with a slight decrease in monsoonal rainfall. This suggests that ASM circulation and monsoonal precipitation were differently expressed under contrasting climate regimes. Sensitivity tests reveal that the ASM intensity was dictated by temperature/pressure gradients, while regional rainfall chiefly responded to the degree of regional or hemispheric warming. In HS 5, high sea surface temperature likely favored to maintain a strong deep convection over tropical oceans, thus resulting in a weak rainfall reduction. These observations provide an insight into wind-associated and rainfall-related responses under different climate conditions. #-------------------- # Funding_Agency # Funding_Agency_Name: National Natural Science Foundation of China # Grant: 42077405 #-------------------- # Site_Information # Site_Name: Wulu Cave # Location: Asia>Eastern Asia>China # Northernmost_Latitude: 26.05 # Southernmost_Latitude: 26.05 # Easternmost_Longitude: 105.0833 # Westernmost_Longitude: 105.0833 # Elevation_m: 1440 #-------------------- # Data_Collection # Collection_Name: Wu88elem # Earliest_Year: 50750 # Most_Recent_Year: 45691 # Time_Unit: calendar year before present # Core_Length_m: 0.367 # Parameter_Keywords: trace metals # Notes: #-------------------- # Chronology_Information # Chronology: Uranium-Thorium # Chronology_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/templates/noaa-wds-paleo-uth-terms.csv # Chronology_Download_Description: Uranium-Thorium terms and definitions. # Chronology_Notes: # 238U_Decay_Constant: 1.55125e[-10]/year # 234U_Decay_Constant: 2.8263e[-10]/year # 230Th_Decay_Constant: 9.1577e[-6]/year # Initial_230Th/232Th: 4.4 ppm +/- 2.2 ppm # Initial_230Th/232Th_Method: # Missing_Values: NaN # Chronology_Table: # samp_id depth_mm 238U_ppb 238U_2s_ppb 232Th_ppt 232Th_2s_ppt 230Th_232Th_act 230Th_232Th_act_2s d234U_meas_permil d234U_meas_2s_permil 230Th_238U_act 230Th_238U_act_2s age_uncorr_BM age_uncorr_2s_yr age_corr_BP1950 age_corr_2s_yr d234U_init_permil d234U_init_2s_permil # Wu88-18 18 580.2 0.1 848.4 11.9 1863.5 26.3 1489.2 0.8 0.8915 0.0012 46087 73 46071 74 1696.0 1.0 # Wu88-55 55 534.3 0.1 2028.6 15.2 735.6 5.6 1509.8 0.8 0.9138 0.0011 46991 72 46950 75 1723.8 1.0 # Wu88-85 85 492.7 0.2 707.2 31.6 1919.9 85.7 1459.0 1.8 0.9016 0.0018 47418 119 47402 119 1667.8 2.1 # Wu88-110 110 642.9 0.1 1483.5 13.6 1191.7 11.0 1444.6 0.7 0.8997 0.0010 47643 648 47618 65 1652.3 0.9 # Wu88-150 150 582.3 0.1 1958.8 15.0 807.4 6.3 1387.0 0.7 0.8887 0.0013 48346 90 48309 92 1589.5 0.9 # Wu88-165 165 583.6 0.3 210.2 33.2 7543.0 1191.3 1379.2 2.1 0.8888 0.0015 48552 115 48548 115 1581.7 2.5 # Wu88-200 200 531.8 0.2 353.0 29.9 4139.1 350.4 1390.9 1.8 0.8990 0.0016 48925 114 48918 114 1596.8 2.2 # Wu88-240 240 573.2 0.1 1071.9 12.3 1467.5 17.0 1376.4 0.9 0.8979 0.0013 49225 90 49204 91 1581.4 1.1 # Wu88-270 270 620.9 0.2 1928.5 28.9 887.0 13.4 1360.5 1.7 0.9015 0.0015 49878 112 49843 113 1566.0 2.1 # Wu88-320 320 601.0 0.2 438.0 32.5 3806.8 282.8 1344.6 1.3 0.9077 0.0017 50723 121 50714 121 1551.5 1.6 # Wu88-340 340 701.3 0.1 693.8 11.6 3216.9 53.8 1222.9 0.8 1.0412 0.0011 64522 93 64510 93 1467.1 1.0 #-------------------- # Variables # # Data variables follow are preceded by "##" in columns one and two. # Data line variables format: one per line, shortname-tab-variable components (what, material, error, units, seasonality, data type,detail, method, C or N for Character or Numeric data, free text) # ## age age,,,calendar year before present,,speleothems,,,N, ## Mg/Ca magnesium/calcium, calcium carbonate, , dimensionless,,speleothems,, inductively-coupled plasma atomic emission spectroscopy; inductively-coupled plasma mass spectrometry,N, ## Ba/Ca barium/calcium, calcium carbonate, , dimensionless,,speleothems,,inductively-coupled plasma atomic emission spectroscopy; inductively-coupled plasma mass spectrometry,N, ## Sr/Ca strontium/calcium, calcium carbonate, , dimensionless,,speleothems,,inductively-coupled plasma atomic emission spectroscopy; inductively-coupled plasma mass spectrometry,N, ## PC principal component, , , dimensionless,,speleothems,, principal components analysis,N, #-------------------- # Data: # Data line format - tab-delimited text, variable short name as header # Missing_Values: NA age Mg/Ca Ba/Ca Sr/Ca PC 45691 0.0098 0.0005 0.0004 2.0078 45739 0.0093 0.0004 0.0003 0.8034 45786 0.0072 0.0002 0.0003 -0.0833 45834 0.0120 0.0005 0.0003 2.3019 45881 0.0082 0.0003 0.0003 0.0982 45929 0.0073 0.0003 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0.0003 -0.3496 48791 0.0070 NA 0.0003 NA 48812 0.0087 0.0005 0.0003 1.0922 48834 0.0083 0.0009 0.0003 1.3455 48855 0.0075 0.0003 0.0003 -0.1119 48876 0.0067 0.0002 0.0003 -0.7426 48897 0.0084 0.0003 0.0003 0.3343 48918 0.0073 0.0004 0.0003 0.0358 48932 0.0073 0.0002 0.0003 -0.0688 48947 0.0069 0.0002 0.0003 -0.6636 48961 0.0072 0.0004 0.0003 0.2319 48975 0.0073 0.0002 0.0003 0.2151 48990 0.0080 0.0008 0.0004 1.7355 49004 0.0068 0.0002 0.0003 -0.3403 49018 0.0077 0.0005 0.0004 0.8899 49032 0.0067 0.0002 0.0003 -0.5036 49047 0.0088 0.0005 0.0005 2.6419 49061 0.0071 0.0003 0.0003 -0.1521 49075 0.0084 0.0003 0.0003 0.5504 49090 0.0082 0.0002 0.0003 -0.2859 49104 0.0086 0.0003 0.0003 0.6021 49118 0.0092 0.0004 0.0004 1.3459 49132 0.0077 0.0002 0.0003 -0.3918 49147 0.0097 0.0008 0.0003 1.9954 49161 0.0087 0.0003 0.0003 0.3566 49175 0.0081 0.0002 0.0003 -0.0805 49190 0.0090 0.0011 0.0003 2.2061 49204 0.0086 0.0001 0.0003 0.3042 49247 0.0108 0.0005 0.0004 2.3267 49289 0.0102 0.0005 0.0003 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