# Minami Daito Island, Okinawa, Japan Isotope and Temperature Data of Cave Deposits from the Mid-Holocene #----------------------------------------------------------------------- # 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.ncei.noaa.gov/access/paleo-search/study/39959 # 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-39959.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: Other Hydroclimate Reconstruction, Air Temperature Reconstruction, Monsoon #--------------------------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/speleothem/pacific/azharuddin2024/azharuddin2024-hsn1_stalagmite_carbonate_iso.txt # Data_Download_Description: NOAA Template File; HSN1 Stalagmite Carbonate Isotope Data # #--------------------------------------- # Contribution_Date # Date: 2024-10-31 #--------------------------------------- # File_Last_Modified_Date # Date: 2024-12-18 #--------------------------------------- # Title # Study_Name: Minami Daito Island, Okinawa, Japan Isotope and Temperature Data of Cave Deposits from the Mid-Holocene #--------------------------------------- # Investigators # Investigators: Azharuddin, Syed; Omine, Kanako; Masaka, Kosuke; Asami, Ryuji; Lone, Mahjoor Ahmad ; Chou, Yu-Chen; Shen, Chuan-Chou (0000-0003-2833-2771); Uemura, Ryu (000-0002-4236-0085) #--------------------------------------- # Description_Notes_and_Keywords # Description: Oxygen and hydrogen isotopes of fluid inclusions water in stalagmite # Provided Keywords: fluid inclusion, AMO, AMV, Volcanic eruption, Kikai caldera #--------------------------------------- # Publication # Authors: Syed Azharuddin, Kanako Omine, Kosuke Masaka. Ryuji Asami, Mahjoor Ahmad Lone, Yu-Chen Chou, Chuan-Chou Shen, Ryu Uemura # Published_Date_or_Year: 2025 # Published_Title: Multidecadal hydroclimate responses to volcanic forcing in the Mid-Holocene # Journal_Name: Communications Earth & Environment # Volume: 6 # Edition: # Issue: 101 # Pages: # Report_Number: # DOI: 10.1038/s43247-025-02047-0 # Online_Resource: # Full_Citation: # Abstract: #--------------------------------------- # Funding_Agency # Funding_Agency_Name: Japan Society for the Promotions in Science (JSPS) # Grant: Grants-in-Aid for Scientific Research (KAKENHI) 15H01729, 17KK0012, 20H00628, 26707028 #--------------------------------------- # Site_Information # Site_Name: Hoshino Cave, Minami Daito Island, Okinawa, Japan # Location: Pacific Ocean # Northernmost_Latitude: 25.85 # Southernmost_Latitude: 25.85 # Easternmost_Longitude: 131.21 # Westernmost_Longitude: 131.21 # Elevation_m: 45 #--------------------------------------- # Data_Collection # Collection_Name: HSN1_stalagmite_carbonate_iso # First_Year: 7361.9 # Last_Year: 5999.8 # Time_Unit: calendar year before present # Core_Length_m: 0.25 # Parameter_Keywords: oxygen isotopes, geochemistry # Notes: #--------------------------------------- # Chronology_Information # Chronology: # # depth_mm Weight_g 238U_ppb 238U_2s_ppb 232Th_ppt 232Th_2s_ppt 230Th_232Th_atom_10e-3 230Th_232Th_atom_2s_10e-3 d234U_meas_permil d234U_meas_2s_permil 230Th_238U_act 230Th_238U_act_2s age_corr_BP1950 age_corr_2s_yr d234U_init_permil d234U_init_2s_permil # 2 0.0664 110.277795709168 0.190053440596124 6.4258779102235 6.98903157320662 16.310453861803 17.7405124189338 65.2021674338064 3.41198267824486 5.75621734451926E-02 5.39536030714678E-04 5999.79543516948 61.7956973971588 66.3288332045934 3.47095964859817 # 12 0.3186 132.880650961852 0.168043786833262 115.498177468624 1.46885340929844 1.09833910716952 0.014579170614628 60.8649488864843 1.46965588022873 0.057900615300166 2.3202055839964E-04 6027.86634945775 28.7797258885165 61.9209883235036 1.49516365875336 # 25 0.3078 135.279139319688 0.179707432602692 80.8590794101943 1.51499092202021 1.6110881930148 3.08397355980106E-02 60.3528761807628 1.40609425285909 5.84050800307278E-02 2.41819340043912E-04 6092.51730307791 28.6004397360684 61.4112344293522 1.43076035003713 # 30 0.2944 131.053035116586 0.219692046253098 25.9343418104009 1.57922340846907 4.8956938293832 0.29935910836697 60.0994518696969 1.74539745751903 5.87591824054145E-02 3.41837260405122E-04 6142.52782809794 38.7453904855383 61.1619974979038 1.776268314379 # 60 0.29925 168.17924150327 0.22036129352596 16.938079397519 1.55236518301941 9.9124148239114 0.909630661872758 60.5697888658945 1.44147114194465 6.05486676056907E-02 2.91937159589148E-04 6336.84440188516 33.0817234233137 61.6744617720946 1.46777201910193 # 75 0.2972 164.20036688119 0.464225418162541 2.18079108192069 1.56160629099721 76.2860864133486 54.6291452755911 61.8282164982873 3.28151375838009 6.14495380381178E-02 4.71840338366218E-04 6429.43743086567 55.4472918260035 62.9722491399062 3.34224748940445 # 90 0.299 147.01584784512 0.381310610207039 32.7521323984888 1.57763910113246 4.6037602626751 0.224327485509304 59.4422466184339 2.88889263038108 6.22044530115738E-02 4.84999660708201E-04 6521.83812232296 56.2330412925884 60.5579199549426 2.94313005345927 # 110 0.3141 157.365579387736 0.230389962630684 2.49525823659517 1.47748813552177 66.0757182187052 39.1257336609782 62.7180486487127 1.60292856252916 6.35449427326262E-02 2.95851815819193E-04 6651.65591124809 33.9302980603963 63.9186635676625 1.63362498184538 # 130 0.3069 155.327316802323 0.385704409865532 2.36805663460017 1.5124559061203 69.7038593812788 44.5232488006802 57.3212733055377 2.69940029665608 6.44517059482407E-02 5.77045454561154E-04 6787.03371214756 65.8758453048969 58.4408593009688 2.75214583496683 # 150 0.2626 161.574775968093 0.258812735312479 2.0149607605283 1.76722219961012 86.2987216249381 75.6894041929529 60.9291416028941 1.64139074525899 6.52725741830784E-02 3.22309595181932E-04 6852.35460704115 36.9799803804888 62.1306917295441 1.67377227831503 # 163 0.25 159.627534291423 0.381600296286818 1.06082141095251 1.85636385120807 163.991435772474 286.975421451939 61.6168157416075 2.76287652227132 6.60981017064013E-02 4.37962387656599E-04 6938.3626579813 51.5436802636294 62.847135396888 2.81805847329919 # 172 0.231 146.15765144405 0.366659155990094 2.32279187017224 2.0094335306722 68.3269421752291 59.1126261978399 58.0493657794123 2.87086385589032 6.58588395609386E-02 6.32341551960113E-04 6936.47476963601 72.1870869706928 59.2081377441493 2.92819644437769 # 190 0.2601 137.389214005393 0.261741851625188 3.65661854667115 1.7844505482021 41.6830449468069 20.3430050286336 58.1410557759927 2.07440643981236 6.72852395367198E-02 4.11607623821797E-04 7092.2599544038 47.5558619265919 59.3277352355429 2.1167607955094 # 200 0.2958 138.720882285848 0.179168124560666 20.9006812456857 1.56960991786132 7.38542166647062 0.555207980013112 56.0582057001526 1.52484922010472 6.74881064678577E-02 2.46534868317176E-04 7125.98217378048 29.3041688401999 57.2078578809289 1.55612831042444 # 220 0.2981 134.923409849427 0.337809770739303 6.1471442296654 1.55782725412782 24.7870335262046 6.2851315173237 55.2897765864182 2.54645621768795 6.84926542260491E-02 6.06654903804665E-04 7245.15430135884 69.4506855999238 56.4426092124627 2.5995752731233 # 230 0.2847 145.436246955707 0.219561750296677 5.19601708551512 1.63007979089563 31.741931007668 9.95951701897643 56.7628830075093 1.61199787847176 6.87803849849855E-02 3.92035974483653E-04 7266.22724904231 44.7718695977802 57.9499180488963 1.64572455148778 # 240 0.2979 141.490516294823 0.346105702833075 8.96219592505368 1.55995665215345 18.2570687689841 3.18094752259027 61.8079255810078 2.73204840569672 7.01376969861979E-02 5.68363910813466E-04 7378.38607993856 65.5506119254191 63.1203948125316 2.79008694132037 # 245 0.2711 156.005606987095 0.232117631298509 7.24073846327594 1.71194974224678 24.8255985049366 5.87105467368834 60.2709481830628 1.68125129270488 6.98836738628431E-02 3.83322508724131E-04 7361.89458461519 43.9155033602569 61.5479591253225 1.7168903260358 # #--------------------------------------- # 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_mm depth,,,millimeter,,speleothems,,,N, ## Age age,,,calendar kiloyear before present,,speleothems,,,N, ## d18Oca delta 18O,calcium carbonate,,per mil VPDB,,speleothems,,isotope ratio mass spectrometry,N,sample from 1mm miling #------------------------ # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing_Values: NA depth_mm Age d18Oca 0.7 5968 -4.96 1.4 5972 -5.20 2.5 5979 -5.25 3.5 5985 -5.15 4.2 5989 -5.05 4.8 5992 -5.37 6.5 6001 -5.54 7.8 6008 -5.01 8.5 6012 -4.65 9.5 6018 -4.92 10.5 6024 -4.89 11.0 6027 -5.16 11.5 6030 -5.14 13.2 6040 -5.04 13.6 6043 -5.00 14.3 6047 -5.34 15.2 6052 -5.31 16.4 6059 -5.46 17.6 6066 -5.61 19.0 6074 -5.48 20.0 6080 -5.47 21.3 6088 -4.91 22.2 6093 -4.87 22.8 6097 -4.73 23.5 6101 -4.75 24.5 6108 -5.07 25.0 6111 -4.89 26.0 6117 -4.98 27.0 6124 -5.61 28.2 6133 -5.49 29.3 6140 -5.29 30.0 6145 -5.43 30.7 6149 -5.69 32.1 6158 -5.46 33.4 6166 -5.37 34.7 6174 -5.29 35.9 6182 -6.13 37.0 6189 -6.18 38.2 6196 -6.40 39.2 6202 -5.87 40.2 6209 -5.12 40.5 6211 -5.18 41.6 6218 -5.04 42.8 6225 -5.33 44.0 6233 -5.16 45.0 6239 -5.50 46.0 6246 -4.98 47.4 6255 -5.08 48.2 6260 -5.24 49.3 6267 -5.32 49.6 6269 -4.95 50.3 6273 -5.26 51.5 6281 -4.82 52.0 6284 -4.97 53.0 6290 -4.92 54.0 6296 -5.12 55.0 6302 -4.92 55.7 6307 -5.07 56.5 6312 -5.11 57.5 6318 -5.13 58.5 6324 -4.59 59.5 6330 -4.83 60.4 6336 -5.19 61.4 6342 -5.44 62.7 6350 -5.61 63.8 6357 -5.26 65.5 6367 -5.88 66.6 6374 -5.16 67.7 6382 -4.90 69.0 6390 -4.75 69.8 6395 -5.07 70.5 6400 -5.78 71.0 6403 -5.08 71.5 6406 -5.12 73.0 6415 -4.98 74.5 6424 -5.16 75.5 6430 -5.28 76.0 6433 -5.50 77.5 6442 -5.12 78.5 6448 -5.15 79.5 6455 -4.93 80.5 6461 -5.54 81.6 6468 -4.99 82.5 6473 -4.93 83.5 6480 -5.03 84.0 6483 -5.70 84.6 6487 -5.47 85.8 6494 -5.79 86.6 6499 -5.45 87.3 6503 -5.62 88.0 6507 -4.52 89.0 6513 -4.97 89.5 6516 -4.79 90.3 6521 -4.89 91.2 6526 -5.22 92.0 6531 -5.74 92.7 6535 -5.40 93.8 6542 -5.32 95.0 6549 -5.15 95.8 6554 -5.02 96.4 6557 -5.27 96.8 6560 -5.60 98.0 6567 -5.84 99.0 6573 -5.39 100.0 6579 -6.24 101.0 6585 -5.32 101.5 6588 -5.55 102.5 6594 -5.01 103.8 6602 -5.40 105.0 6609 -4.97 105.8 6614 -5.24 106.7 6619 -5.65 108.0 6626 -5.80 108.8 6631 -5.79 109.5 6635 -5.60 110.0 6638 -5.81 111.4 6646 -6.14 111.9 6649 -5.82 112.6 6653 -5.57 113.5 6658 -5.29 114.3 6663 -5.50 115.0 6667 -5.55 116.0 6672 -6.07 117.0 6678 -5.63 117.8 6683 -5.31 118.7 6688 -5.15 119.5 6692 -5.31 120.4 6697 -5.40 121.6 6704 -5.52 122.8 6711 -5.18 123.6 6715 -5.46 124.5 6720 -5.43 125.2 6724 -5.23 125.7 6727 -5.25 126.5 6732 -5.37 127.5 6737 -4.97 128.0 6740 -4.81 128.8 6745 -5.06 129.5 6749 -6.03 130.6 6755 -5.55 131.9 6762 -5.16 133.0 6768 -5.27 133.6 6771 -5.49 135.0 6779 -5.19 135.5 6782 -5.36 137.0 6790 -5.57 138.2 6797 -5.17 139.1 6801 -4.97 139.9 6806 -5.38 140.5 6809 -5.88 141.9 6816 -5.21 142.8 6821 -4.87 144.0 6828 -4.70 144.9 6832 -5.17 145.3 6835 -5.21 146.0 6839 -5.46 147.2 6845 -5.32 148.2 6851 -5.01 149.2 6856 -4.74 150.0 6860 -5.11 151.3 6868 -4.99 152.0 6871 -5.01 152.8 6876 -4.85 154.0 6882 -4.94 155.0 6888 -5.13 156.0 6893 -5.47 157.0 6899 -5.61 158.2 6905 -5.66 159.0 6909 -5.80 160.3 6916 -5.85 161.8 6924 -5.29 162.5 6928 -5.19 163.3 6932 -4.90 164.5 6939 -5.28 165.6 6945 -5.71 166.6 6950 -5.01 167.6 6955 -5.40 168.8 6961 -5.37 169.9 6967 -5.88 170.5 6970 -5.56 171.6 6976 -6.08 172.5 6981 -5.26 173.5 6986 -4.92 174.6 6992 -5.30 175.4 6997 -5.28 176.2 7001 -5.24 177.0 7005 -5.23 177.9 7010 -5.26 178.7 7015 -5.46 180.2 7023 -5.18 181.5 7030 -5.30 182.7 7037 -5.29 183.7 7042 -5.26 184.7 7048 -5.62 186.0 7055 -6.16 187.0 7060 -5.63 187.8 7065 -5.57 189.0 7071 -5.95 190.3 7078 -5.82 191.4 7084 -5.28 192.7 7091 -5.36 194.0 7098 -4.87 195.2 7105 -5.34 196.4 7111 -5.02 197.2 7115 -4.92 197.7 7118 -4.97 198.6 7123 -5.47 199.5 7128 -4.60 200.5 7133 -5.06 201.5 7138 -5.24 202.5 7144 -5.49 203.7 7150 -5.06 204.6 7155 -5.12 205.5 7159 -4.99 206.4 7164 -4.41 207.3 7169 -5.03 208.4 7175 -4.98 209.4 7180 -5.49 210.1 7184 -5.83 211.4 7191 -5.08 212.3 7196 -5.53 213.5 7202 -4.74 214.5 7208 -5.25 215.6 7213 -5.06 216.8 7220 -4.99 217.4 7223 -5.26 218.5 7229 -4.97 219.3 7233 -5.45 220.0 7237 -6.00 221.4 7245 -5.58 222.5 7251 -5.58 223.8 7258 -5.12 224.3 7261 -4.88 225.6 7268 -4.99 226.0 7270 -5.03 226.8 7274 -5.06 227.8 7279 -5.34 228.6 7283 -5.09 230.0 7290 -5.23 231.0 7295 -4.96 232.2 7302 -5.34 233.2 7308 -5.59 234.3 7314 -5.34 235.5 7321 -5.44 236.4 7327 -5.08 237.6 7334 -5.20 238.6 7339 -4.75 239.6 7345 -5.28 240.5 7350 -5.40 241.1 7353 -5.49 242.0 7358 -5.63 242.7 7362 -5.71 244.0 7369 -5.88 245.0 7374 -5.62 246.0 7378 -5.66 246.0 7378 -5.65