<?xml version="1.0" encoding="UTF-8"?><md:MetaData xmlns:md="http://www.pangaea.de/MetaData" version="2024-07-19">
<md:citation id="dataset992727">
<md:author id="dataset.author114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
<md:affiliation id="dataset.author114976.inst22629">
<md:name>Wuhan Geological Survey Center</md:name>
</md:affiliation>
</md:author>
<md:author id="dataset.author89464">
<md:lastName>Day</md:lastName>
<md:firstName>Christopher</md:firstName>
<md:eMail>chris.day@earth.ox.ac.uk</md:eMail>
<md:orcid>0000-0001-6875-769X</md:orcid>
<md:affiliation id="dataset.author89464.inst20620">
<md:name>University of Oxford</md:name>
<md:ROR>https://ror.org/052gg0110</md:ROR>
</md:affiliation>
</md:author>
<md:year>2026</md:year>
<md:title>Trace-elements of stalagmite HS4 in Heshang Cave, Central China</md:title>
<md:type id="dataset.reftype10" includeInCitation="true">dataset</md:type>
<md:URI>https://doi.pangaea.de/10.1594/PANGAEA.992727</md:URI>
<md:dateTime>2026-03-16T07:04:55</md:dateTime>
</md:citation>
<md:abstract>Stalagmite trace-elements data (Mg/Ca, Sr/Ca, Ba/Ca) were used to reconstruct regional hydrological variations in the Central China between 4.6 kyr BP and 3.5 kyr BP. The stalagmite (HS4) was collected from Heshang Cave in the Middle Yangtze Valley, Central China (30º27′N, 110º25′E, 294 m.a.s.l). HS4 Stalagmite length in this study ranges between 112.63 and 151.03 cm. The working half of HS4 was slabbed. Micro drilling of 343 continuous samples was undertaken by using a New-Wave Micromill. Every second sample was measured for trace-elements. The measurement resolution is 6~7 years. The data was measured using a PerkinElmer NexIon 350D quadrupole Inductively coupled plasma mass spectrometer (ICP–MS) at the University of Oxford, Department of Earth Sciences in 2016.</md:abstract>
<md:reference dataciteRelType="References" group="210" id="ref138033" relationType="Related to" relationTypeId="12">
<md:author id="ref138033.author114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
</md:author>
<md:author id="ref138033.author89464">
<md:lastName>Day</md:lastName>
<md:firstName>Christopher</md:firstName>
<md:eMail>chris.day@earth.ox.ac.uk</md:eMail>
<md:orcid>0000-0001-6875-769X</md:orcid>
</md:author>
<md:author id="ref138033.author114960">
<md:lastName>Hu</md:lastName>
<md:firstName>Chaoyong</md:firstName>
</md:author>
<md:author id="ref138033.author35507">
<md:lastName>Liu</md:lastName>
<md:firstName>Y</md:firstName>
</md:author>
<md:author id="ref138033.author28606">
<md:lastName>Henderson</md:lastName>
<md:firstName>Gideon M</md:firstName>
<md:orcid>0000-0002-6279-7137</md:orcid>
</md:author>
<md:year>2026</md:year>
<md:title>Precise chronology of hydrological changes at ∼4.2 kyr in Central China to assess the impact of flooding on Neolithic societies</md:title>
<md:type id="ref138033.reftype1">journal article</md:type>
<md:source id="ref138033.journal17500" type="journal">National Science Review</md:source>
<md:volume>13(2)</md:volume>
<md:URI>https://doi.org/10.1093/nsr/nwaf567</md:URI>
<md:pages>nwaf567</md:pages>
</md:reference>
<md:reference dataciteRelType="References" group="500" id="ref77303" relationType="References" relationTypeId="24">
<md:author id="ref77303.author31951">
<md:lastName>Ramsey</md:lastName>
<md:firstName>Christopher Bronk</md:firstName>
<md:eMail>christopher.ramsey@arch.ox.ac.uk</md:eMail>
<md:orcid>0000-0002-8641-9309</md:orcid>
</md:author>
<md:year>2008</md:year>
<md:title>Deposition models for chronological records</md:title>
<md:type id="ref77303.reftype1">journal article</md:type>
<md:source id="ref77303.journal13626" relatedTermIds="33972,33974" type="journal">Quaternary Science Reviews</md:source>
<md:volume>27(1-2)</md:volume>
<md:URI>https://doi.org/10.1016/j.quascirev.2007.01.019</md:URI>
<md:pages>42-60</md:pages>
</md:reference>
<md:extent>
<md:geographic>
<md:westBoundLongitude>110.4167</md:westBoundLongitude>
<md:eastBoundLongitude>110.4167</md:eastBoundLongitude>
<md:southBoundLatitude>30.45</md:southBoundLatitude>
<md:northBoundLatitude>30.45</md:northBoundLatitude>
<md:meanLongitude>110.4167</md:meanLongitude>
<md:meanLatitude>30.45</md:meanLatitude>
</md:geographic>
<md:elevation geocodeId="geocode2920" name="DISTANCE" unit="cm">
<md:min>115.33</md:min>
<md:max>147.25</md:max>
</md:elevation>
</md:extent>
<md:award id="award4851">
<md:funder id="award4851.funder20769" semanticURI="https://doi.org/10.13039/501100001809">
<md:name>National Natural Science Foundation of China</md:name>
<md:optionalName>NSFC</md:optionalName>
<md:URI>https://www.nsfc.gov.cn/english/site_1/index.html</md:URI>
<md:crossrefFunderId>https://doi.org/10.13039/501100001809</md:crossrefFunderId>
</md:funder>
<md:number>41731177</md:number>
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<md:award id="award4850">
<md:funder id="award4850.funder20769" semanticURI="https://doi.org/10.13039/501100001809">
<md:name>National Natural Science Foundation of China</md:name>
<md:optionalName>NSFC</md:optionalName>
<md:URI>https://www.nsfc.gov.cn/english/site_1/index.html</md:URI>
<md:crossrefFunderId>https://doi.org/10.13039/501100001809</md:crossrefFunderId>
</md:funder>
<md:number>41902185</md:number>
</md:award>
<md:event id="event3357773">
<md:label>Heshang_Cave_HS4</md:label>
<md:latitude>30.45</md:latitude>
<md:longitude>110.4167</md:longitude>
<md:elevation>294.0</md:elevation>
<md:location id="event3357773.term77205">
<md:name>Yangtze Valley, Central China</md:name>
</md:location>
<md:method id="event3357773.method11648">
<md:name>Speleothem sample</md:name>
<md:optionalName>SPS</md:optionalName>
</md:method>
</md:event>
<md:size unit="data points">860</md:size>
<md:license id="license21">
<md:label>CC-BY-4.0</md:label>
<md:name>Creative Commons Attribution 4.0 International</md:name>
<md:URI>https://creativecommons.org/licenses/by/4.0/</md:URI>
</md:license>
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<md:parameter id="col0.ds15890073.param508750">
<md:name>Sample number</md:name>
<md:shortName>Sample no</md:shortName>
</md:parameter>
<md:PI id="col0.ds15890073.pi114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
</md:PI>
<md:caption>Sample no</md:caption>
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<md:matrixColumn behaviour="5" col="1" format="0.000" id="col1.ds15890074" source="geocode" type="numeric">
<md:parameter id="col1.ds15890074.geocode2205">
<md:name>AGE</md:name>
<md:shortName>Age</md:shortName>
<md:unit>ka BP</md:unit>
<md:URI>http://en.wikipedia.org/wiki/Kyr</md:URI>
<md:term endOffset="3" fragment="1" id="col1.ds15890074.geocode2205.term1073135" semanticURI="urn:obo:pato:term:0000011" startOffset="0" terminologyId="14" terminologyLabel="PATO">
<md:name>age</md:name>
<md:URI>http://purl.obolibrary.org/obo/PATO_0000011</md:URI>
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<md:term id="col1.ds15890074.geocode2205.term43975" semanticURI="http://qudt.org/1.1/vocab/quantity#Time" terminologyId="13" terminologyLabel="PAN-Quantity">
<md:name>Time</md:name>
<md:optionalName>T</md:optionalName>
<md:URI>http://dbpedia.org/resource/Time</md:URI>
</md:term>
</md:parameter>
<md:method id="col1.ds15890074.method387">
<md:name>Age, Uranium-Thorium</md:name>
</md:method>
<md:PI id="col1.ds15890074.pi114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
</md:PI>
<md:comment>Measured with: Multicollector inductively coupled plasma mass spectrometer (MC-ICP-MS), Nu Instruments, Plasma</md:comment>
<md:caption>Age [ka BP]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="2" format="0" id="col2.ds15890075" source="data" type="numeric">
<md:parameter id="col2.ds15890075.param8097">
<md:name>Age, error</md:name>
<md:shortName>Age e</md:shortName>
<md:unit>±</md:unit>
<md:term endOffset="3" fragment="1" id="col2.ds15890075.param8097.term1073135" semanticURI="urn:obo:pato:term:0000011" startOffset="0" terminologyId="14" terminologyLabel="PATO">
<md:name>age</md:name>
<md:URI>http://purl.obolibrary.org/obo/PATO_0000011</md:URI>
</md:term>
</md:parameter>
<md:method id="col2.ds15890075.method18860">
<md:name>Age, 14C calibration OxCal (Ramsey, 2008)</md:name>
<md:URI>https://doi.org/10.1016/j.quascirev.2007.01.019</md:URI>
</md:method>
<md:PI id="col2.ds15890075.pi114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
</md:PI>
<md:comment>2 standard deviation (2SD), 2 sigma</md:comment>
<md:caption>Age e [±]</md:caption>
</md:matrixColumn>
<md:matrixColumn behaviour="1" col="3" format="0.00" id="col3.ds15890076" source="geocode" type="numeric">
<md:parameter id="col3.ds15890076.geocode2920">
<md:name>DISTANCE</md:name>
<md:shortName>Distance</md:shortName>
<md:unit>cm</md:unit>
<md:term endOffset="8" fragment="1" id="col3.ds15890076.geocode2920.term1073628" semanticURI="urn:obo:pato:term:0000040" startOffset="0" terminologyId="14" terminologyLabel="PATO">
<md:name>distance</md:name>
<md:URI>http://purl.obolibrary.org/obo/PATO_0000040</md:URI>
</md:term>
<md:term id="col3.ds15890076.geocode2920.term43863" semanticURI="http://qudt.org/1.1/vocab/quantity#Length" terminologyId="13" terminologyLabel="PAN-Quantity">
<md:name>Length</md:name>
<md:optionalName>L</md:optionalName>
<md:URI>http://dbpedia.org/resource/Length</md:URI>
</md:term>
</md:parameter>
<md:method id="col3.ds15890076.method420">
<md:name>Measured</md:name>
</md:method>
<md:PI id="col3.ds15890076.pi114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
</md:PI>
<md:comment>From top of HS4</md:comment>
<md:caption>Distance [cm]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="4" format="0.00" id="col4.ds15890077" source="data" type="numeric">
<md:parameter id="col4.ds15890077.param91392">
<md:name>Magnesium/Calcium ratio</md:name>
<md:shortName>Mg/Ca</md:shortName>
<md:unit>mmol/mol</md:unit>
<md:term endOffset="9" fragment="1" id="col4.ds15890077.param91392.term40665" startOffset="0" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>magnesium</md:name>
</md:term>
<md:term endOffset="17" fragment="2" id="col4.ds15890077.param91392.term38520" semanticURI="http://purl.obolibrary.org/obo/CHEBI_22984" startOffset="10" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>calcium</md:name>
<md:optionalName>Ca</md:optionalName>
<md:URI>https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:22984</md:URI>
</md:term>
<md:term endOffset="23" fragment="3" id="col4.ds15890077.param91392.term2663825" semanticURI="urn:pangaea:obo:pato:syn:3_0001470" startOffset="18" terminologyId="14" terminologyLabel="PATO">
<md:name>ratio</md:name>
</md:term>
</md:parameter>
<md:method id="col4.ds15890077.method12640">
<md:name>Inductively coupled plasma mass spectrometer (ICP-MS), Perkin-Elmer, Nexion 350D</md:name>
</md:method>
<md:PI id="col4.ds15890077.pi114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
</md:PI>
<md:caption>Mg/Ca [mmol/mol]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="5" format="0.00" id="col5.ds15890078" source="data" type="numeric">
<md:parameter id="col5.ds15890078.param91393">
<md:name>Strontium/Calcium ratio</md:name>
<md:shortName>Sr/Ca</md:shortName>
<md:unit>mmol/mol</md:unit>
<md:term endOffset="9" fragment="1" id="col5.ds15890078.param91393.term40663" startOffset="0" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>strontium</md:name>
</md:term>
<md:term endOffset="17" fragment="2" id="col5.ds15890078.param91393.term38520" semanticURI="http://purl.obolibrary.org/obo/CHEBI_22984" startOffset="10" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>calcium</md:name>
<md:optionalName>Ca</md:optionalName>
<md:URI>https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:22984</md:URI>
</md:term>
<md:term endOffset="23" fragment="3" id="col5.ds15890078.param91393.term2663825" semanticURI="urn:pangaea:obo:pato:syn:3_0001470" startOffset="18" terminologyId="14" terminologyLabel="PATO">
<md:name>ratio</md:name>
</md:term>
</md:parameter>
<md:method id="col5.ds15890078.method12640">
<md:name>Inductively coupled plasma mass spectrometer (ICP-MS), Perkin-Elmer, Nexion 350D</md:name>
</md:method>
<md:PI id="col5.ds15890078.pi114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
</md:PI>
<md:caption>Sr/Ca [mmol/mol]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="6" format="0.00" id="col6.ds15890079" source="data" type="numeric">
<md:parameter id="col6.ds15890079.param187396">
<md:name>Barium/Calcium ratio</md:name>
<md:shortName>Ba/Ca</md:shortName>
<md:unit>mmol/mol</md:unit>
<md:term endOffset="6" fragment="1" id="col6.ds15890079.param187396.term40966" startOffset="0" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>barium</md:name>
</md:term>
<md:term endOffset="14" fragment="2" id="col6.ds15890079.param187396.term38520" semanticURI="http://purl.obolibrary.org/obo/CHEBI_22984" startOffset="7" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>calcium</md:name>
<md:optionalName>Ca</md:optionalName>
<md:URI>https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:22984</md:URI>
</md:term>
<md:term endOffset="20" fragment="3" id="col6.ds15890079.param187396.term2663825" semanticURI="urn:pangaea:obo:pato:syn:3_0001470" startOffset="15" terminologyId="14" terminologyLabel="PATO">
<md:name>ratio</md:name>
</md:term>
</md:parameter>
<md:method id="col6.ds15890079.method12640">
<md:name>Inductively coupled plasma mass spectrometer (ICP-MS), Perkin-Elmer, Nexion 350D</md:name>
</md:method>
<md:PI id="col6.ds15890079.pi114976">
<md:lastName>Liao</md:lastName>
<md:firstName>Jin</md:firstName>
<md:eMail>liaojin_earth@163.com</md:eMail>
<md:orcid>0000-0002-3385-8199</md:orcid>
</md:PI>
<md:caption>Ba/Ca [mmol/mol]</md:caption>
</md:matrixColumn>
<md:status>
<md:curationLevel id="curlevel30">
<md:label>CurationLevelC</md:label>
<md:name>Enhanced curation</md:name>
<md:URI>https://wiki.pangaea.de/wiki/Curation_levels</md:URI>
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<md:keywords>
<md:keyword id="keywords.term67812" type="fromDatabase">Archaeological cultures</md:keyword>
<md:keyword id="keywords.term75180" type="fromDatabase">Calcium isotopes</md:keyword>
<md:keyword id="keywords.term47472" type="fromDatabase">Central China</md:keyword>
<md:keyword id="keywords.term499" type="fromDatabase">speleothem</md:keyword>
<md:keyword id="keywords.term624" type="fromDatabase">trace elements</md:keyword>
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