# 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