<?xml version="1.0" encoding="UTF-8"?><md:MetaData xmlns:md="http://www.pangaea.de/MetaData" version="2026-04-13">
<md:citation id="dataset921804">
<md:author id="dataset.author77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:author>
<md:author id="dataset.author31944">
<md:lastName>Bayliss</md:lastName>
<md:firstName>Alex</md:firstName>
<md:eMail>Alex.Bayliss@HistoricEngland.org.uk</md:eMail>
<md:orcid>0000-0003-2782-1979</md:orcid>
</md:author>
<md:author id="dataset.author37493">
<md:lastName>Christl</md:lastName>
<md:firstName>Marcus</md:firstName>
<md:eMail>mchristl@phys.ethz.ch</md:eMail>
<md:orcid>0000-0002-3131-6652</md:orcid>
</md:author>
<md:author id="dataset.author23049">
<md:lastName>Synal</md:lastName>
<md:firstName>Hans-Arno</md:firstName>
<md:eMail>synal@phys.ethz.ch</md:eMail>
<md:orcid>0000-0001-5621-3089</md:orcid>
</md:author>
<md:author id="dataset.author55180">
<md:lastName>Adolphi</md:lastName>
<md:firstName>Florian</md:firstName>
<md:eMail>florian.adolphi@awi.de</md:eMail>
<md:URI>http://www.geology.lu.se/florian-adolphi</md:URI>
<md:orcid>0000-0003-0014-8753</md:orcid>
</md:author>
<md:author id="dataset.author23048">
<md:lastName>Beer</md:lastName>
<md:firstName>Jürg</md:firstName>
</md:author>
<md:author id="dataset.author10304">
<md:lastName>Kromer</md:lastName>
<md:firstName>Bernd</md:firstName>
<md:eMail>kr@uphys1.uphys.uni-heidelberg.de</md:eMail>
</md:author>
<md:author id="dataset.author26605">
<md:lastName>Muscheler</md:lastName>
<md:firstName>Raimund</md:firstName>
<md:eMail>raimund.muscheler@geol.lu.se</md:eMail>
<md:orcid>0000-0003-2772-3631</md:orcid>
</md:author>
<md:author id="dataset.author77200">
<md:lastName>Solanki</md:lastName>
<md:firstName>Sami K</md:firstName>
</md:author>
<md:author id="dataset.author77201">
<md:lastName>Usoskin</md:lastName>
<md:firstName>Ilya</md:firstName>
<md:eMail>ilya.usoskin@oulu.fi</md:eMail>
</md:author>
<md:author id="dataset.author77202">
<md:lastName>Bleicher</md:lastName>
<md:firstName>Niels</md:firstName>
<md:orcid>0000-0001-5986-0222</md:orcid>
</md:author>
<md:author id="dataset.author77203">
<md:lastName>Bollhalder</md:lastName>
<md:firstName>Silvia</md:firstName>
</md:author>
<md:author id="dataset.author77204">
<md:lastName>Tyers</md:lastName>
<md:firstName>Cathy</md:firstName>
</md:author>
<md:author id="dataset.author41473">
<md:lastName>Wacker</md:lastName>
<md:firstName>Lukas</md:firstName>
<md:eMail>wacker@phys.ethz.ch</md:eMail>
<md:URI>http://www.ams.ethz.ch/people/person-detail.html?persid=110331</md:URI>
<md:orcid>0000-0002-8215-2678</md:orcid>
</md:author>
<md:year>2020</md:year>
<md:title>Radiocarbon measurements on tree rings of tree SYD-M22</md:title>
<md:type id="dataset.reftype10" includeInCitation="true">dataset</md:type>
<md:URI>https://doi.org/10.1594/PANGAEA.921804</md:URI>
<md:dateTime>2020-08-20T06:33:20</md:dateTime>
<md:parentURI>https://doi.org/10.1594/PANGAEA.921808</md:parentURI>
</md:citation>
<md:extent>
<md:geographic>
<md:westBoundLongitude>-4.2</md:westBoundLongitude>
<md:eastBoundLongitude>-4.2</md:eastBoundLongitude>
<md:southBoundLatitude>50.6</md:southBoundLatitude>
<md:northBoundLatitude>50.6</md:northBoundLatitude>
<md:meanLongitude>-4.2</md:meanLongitude>
<md:meanLatitude>50.6</md:meanLatitude>
</md:geographic>
<md:temporal>
<md:minDateTime>2018-08-31T00:00:00</md:minDateTime>
<md:maxDateTime>2018-08-31T00:00:00</md:maxDateTime>
</md:temporal>
<md:topoType id="topotype1">not specified</md:topoType>
</md:extent>
<md:event displayTypeName="Event" id="event2949972" typeName="Generic Event">
<md:label>SYD-M22</md:label>
<md:latitude>50.6</md:latitude>
<md:longitude>-4.2</md:longitude>
<md:method id="event2949972.method11734">
<md:name>Tree ring sampling</md:name>
<md:optionalName>TREE</md:optionalName>
</md:method>
<md:comment>tree-ring Quercus</md:comment>
</md:event>
<md:size unit="data points">1260</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>
<md:matrixColumn col="0" id="col0.ds13960027" source="data" type="string">
<md:parameter id="col0.ds13960027.param7369">
<md:name>Name</md:name>
<md:shortName>Name</md:shortName>
</md:parameter>
<md:PI id="col0.ds13960027.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:caption>Name</md:caption>
</md:matrixColumn>
<md:matrixColumn col="1" format="#0" id="col1.ds13960028" source="data" type="numeric">
<md:parameter id="col1.ds13960028.param156894">
<md:name>Tree ring number</md:name>
<md:shortName>Ring</md:shortName>
<md:unit>#</md:unit>
<md:term id="col1.ds13960028.param156894.term44025" terminologyId="13" terminologyLabel="PAN-Quantity">
<md:name>Abundance or Count</md:name>
</md:term>
</md:parameter>
<md:PI id="col1.ds13960028.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:comment>midpoint</md:comment>
<md:caption>Ring [#] (midpoint)</md:caption>
</md:matrixColumn>
<md:matrixColumn col="2" id="col2.ds13960029" source="data" type="string">
<md:parameter id="col2.ds13960029.param5199">
<md:name>Interval comments</md:name>
<md:shortName>Interval comm</md:shortName>
</md:parameter>
<md:PI id="col2.ds13960029.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:comment>block interval</md:comment>
<md:caption>Interval comm (block interval)</md:caption>
</md:matrixColumn>
<md:matrixColumn behaviour="5" col="3" format="#0.000" id="col3.ds13960030" source="geocode" type="numeric">
<md:parameter id="col3.ds13960030.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="col3.ds13960030.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>
</md:term>
<md:term id="col3.ds13960030.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:PI id="col3.ds13960030.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:caption>Age [ka BP]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="4" format="#0.000" id="col4.ds13960031" source="data" type="numeric">
<md:parameter id="col4.ds13960031.param79716">
<md:name>Age, standard deviation</md:name>
<md:shortName>Age std dev</md:shortName>
<md:unit>±</md:unit>
<md:term endOffset="3" fragment="1" id="col4.ds13960031.param79716.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:term endOffset="23" fragment="2" id="col4.ds13960031.param79716.term37764" startOffset="5" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>standard deviation</md:name>
<md:optionalName>std dev</md:optionalName>
<md:URI>https://en.wikipedia.org/wiki/Standard_deviation</md:URI>
</md:term>
</md:parameter>
<md:PI id="col4.ds13960031.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:caption>Age std dev [±]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="5" format="#0.000" id="col5.ds13960032" source="data" type="numeric">
<md:parameter id="col5.ds13960032.param5506">
<md:name>Age, dated</md:name>
<md:shortName>Age dated</md:shortName>
<md:unit>ka</md:unit>
<md:term endOffset="3" fragment="1" id="col5.ds13960032.param5506.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:term id="col5.ds13960032.param5506.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="col5.ds13960032.method58">
<md:name>Age, 14C AMS</md:name>
<md:URI>https://doi.org/10.1146/annurev.ns.30.120180.002253</md:URI>
<md:term id="col5.ds13960032.method58.term2299417" semanticURI="SDN:L05::LAB17" terminologyId="21" terminologyLabel="NERC-L05-L22">
<md:name>accelerator mass spectrometers</md:name>
<md:URI>http://vocab.nerc.ac.uk/collection/L05/current/LAB17/</md:URI>
</md:term>
<md:term id="col5.ds13960032.method58.term68027" terminologyId="3" terminologyLabel="PAN-M&amp;D">
<md:name>Chromatographs &amp; spectrometers</md:name>
</md:term>
</md:method>
<md:PI id="col5.ds13960032.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:caption>Age dated [ka]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="6" format="#0.000" id="col6.ds13960033" source="data" type="numeric">
<md:parameter id="col6.ds13960033.param6165">
<md:name>Age, dated, standard deviation</md:name>
<md:shortName>Age dated std dev</md:shortName>
<md:unit>±</md:unit>
<md:term endOffset="3" fragment="1" id="col6.ds13960033.param6165.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:term endOffset="29" fragment="2" id="col6.ds13960033.param6165.term37764" startOffset="11" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>standard deviation</md:name>
<md:optionalName>std dev</md:optionalName>
<md:URI>https://en.wikipedia.org/wiki/Standard_deviation</md:URI>
</md:term>
</md:parameter>
<md:method id="col6.ds13960033.method58">
<md:name>Age, 14C AMS</md:name>
<md:URI>https://doi.org/10.1146/annurev.ns.30.120180.002253</md:URI>
<md:term id="col6.ds13960033.method58.term2299417" semanticURI="SDN:L05::LAB17" terminologyId="21" terminologyLabel="NERC-L05-L22">
<md:name>accelerator mass spectrometers</md:name>
<md:URI>http://vocab.nerc.ac.uk/collection/L05/current/LAB17/</md:URI>
</md:term>
<md:term id="col6.ds13960033.method58.term68027" terminologyId="3" terminologyLabel="PAN-M&amp;D">
<md:name>Chromatographs &amp; spectrometers</md:name>
</md:term>
</md:method>
<md:PI id="col6.ds13960033.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:caption>Age dated std dev [±]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="7" id="col7.ds13960034" source="data" type="string">
<md:parameter id="col7.ds13960034.param132179">
<md:name>Laboratory code/label</md:name>
<md:shortName>Lab label</md:shortName>
<md:term endOffset="21" fragment="1" id="col7.ds13960034.param132179.term1073499" semanticURI="http://purl.obolibrary.org/obo/CHEBI_35209" startOffset="16" terminologyId="16" terminologyLabel="ChEBI">
<md:name>label</md:name>
<md:URI>http://purl.obolibrary.org/obo/CHEBI_35209</md:URI>
</md:term>
</md:parameter>
<md:PI id="col7.ds13960034.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:caption>Lab label</md:caption>
</md:matrixColumn>
<md:matrixColumn col="8" id="col8.ds13960035" source="data" type="string">
<md:parameter id="col8.ds13960035.param16065">
<md:name>Sample ID</md:name>
<md:shortName>Sample ID</md:shortName>
</md:parameter>
<md:PI id="col8.ds13960035.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:caption>Sample ID</md:caption>
</md:matrixColumn>
<md:matrixColumn behaviour="4" col="9" format="yyyy-MM-dd" id="col9.ds13960036" source="geocode" type="datetime">
<md:parameter id="col9.ds13960036.geocode1599">
<md:name>DATE/TIME</md:name>
<md:shortName>Date/Time</md:shortName>
<md:URI>http://en.wikipedia.org/wiki/ISO_8601</md:URI>
<md:term endOffset="9" fragment="2" id="col9.ds13960036.geocode1599.term43975" semanticURI="http://qudt.org/1.1/vocab/quantity#Time" startOffset="5" 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:PI id="col9.ds13960036.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:caption>Date/Time</md:caption>
</md:matrixColumn>
<md:matrixColumn col="10" id="col10.ds13960037" source="data" type="string">
<md:parameter id="col10.ds13960037.param7056">
<md:name>Identification</md:name>
<md:shortName>ID</md:shortName>
</md:parameter>
<md:PI id="col10.ds13960037.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:comment>sample no.</md:comment>
<md:caption>ID (sample no.)</md:caption>
</md:matrixColumn>
<md:matrixColumn col="11" id="col11.ds13960038" source="data" type="string">
<md:parameter id="col11.ds13960038.param7056">
<md:name>Identification</md:name>
<md:shortName>ID</md:shortName>
</md:parameter>
<md:PI id="col11.ds13960038.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:comment>preparation no.</md:comment>
<md:caption>ID (preparation no.)</md:caption>
</md:matrixColumn>
<md:matrixColumn col="12" id="col12.ds13960039" source="data" type="string">
<md:parameter id="col12.ds13960039.param7056">
<md:name>Identification</md:name>
<md:shortName>ID</md:shortName>
</md:parameter>
<md:PI id="col12.ds13960039.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:comment>target no.</md:comment>
<md:caption>ID (target no.)</md:caption>
</md:matrixColumn>
<md:matrixColumn col="13" id="col13.ds13960040" source="data" type="string">
<md:parameter id="col13.ds13960040.param7056">
<md:name>Identification</md:name>
<md:shortName>ID</md:shortName>
</md:parameter>
<md:PI id="col13.ds13960040.pi77199">
<md:lastName>Brehm</md:lastName>
<md:firstName>Nicolas</md:firstName>
<md:eMail>nbrehm@phys.ethz.ch</md:eMail>
<md:orcid>0000-0003-0248-7345</md:orcid>
</md:PI>
<md:comment>measurement</md:comment>
<md:caption>ID (measurement)</md:caption>
</md:matrixColumn>
<md:keywords>
<md:techKeyword type="autoGenerated">citable</md:techKeyword>
<md:keyword id="keywords.term54786" type="fromDatabase">C14</md:keyword>
<md:keyword id="keywords.term732" type="fromDatabase">Radiocarbon</md:keyword>
<md:techKeyword type="autoGenerated">author10304</md:techKeyword>
<md:techKeyword type="autoGenerated">author23048</md:techKeyword>
<md:techKeyword type="autoGenerated">author23049</md:techKeyword>
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<md:techKeyword type="autoGenerated">geocode1600</md:techKeyword>
<md:techKeyword type="autoGenerated">geocode1601</md:techKeyword>
<md:techKeyword type="autoGenerated">geocode2205</md:techKeyword>
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<md:technicalInfo>
<md:entry key="xmlLastModified" value="2026-04-30T21:51:58Z"/>
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