<?xml version="1.0" encoding="UTF-8"?><!--*** Generated from internal PANGAEA metadata schema by dif.xslt ***--><DIF xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.4.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/">
<Entry_ID>PANGAEA_990156</Entry_ID>
<Entry_Title>Lead-210 (Pb-210) dating of a sediment core from Lake Los Espinos (Michoacán, Mexico)</Entry_Title>
<Data_Set_Citation>
<Dataset_Creator>Rantala, Marttiina V; Israde-Alcántara, Isabel; Safaierad, Reza; Mattielli, Nadine; Tylmann, Wojciech; Smol, John P; Grooms, Christopher; Lepoint, Gilles; Francus, Pierre; Metcalfe, Sarah; Etmański, Paweł; Fagel, Nathalie</Dataset_Creator>
<Dataset_Title>Lead-210 (Pb-210) dating of a sediment core from Lake Los Espinos (Michoacán, Mexico)</Dataset_Title>
<Dataset_Release_Date>2026-06-05</Dataset_Release_Date>
<Dataset_Publisher>PANGAEA</Dataset_Publisher>
<Data_Presentation_Form>Dataset</Data_Presentation_Form>
<Online_Resource>https://doi.pangaea.de/10.1594/PANGAEA.990156</Online_Resource>
</Data_Set_Citation>
<Personnel>
<Role>Investigator</Role>
<First_Name>Marttiina V</First_Name>
<Last_Name>Rantala</Last_Name>
<Email>marttiina.rantala@gmail.com</Email>
</Personnel>
<Discipline>
<Discipline_Name>Earth Science</Discipline_Name>
</Discipline>
<Parameters>
<Detailed_Variable>DEPTH, sediment/rock</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Depth, sediment/rock, top/minimum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Depth, sediment/rock, bottom/maximum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lead-210</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lead-210, standard deviation</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lead-210, supported</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lead-210, supported, standard deviation</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lead-210, unsupported</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lead-210, unsupported, standard deviation</Detailed_Variable>
</Parameters>
<ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
<Keyword>Anthropocene</Keyword>
<Keyword>biogeochemistry</Keyword>
<Keyword>Carbon accumulation</Keyword>
<Keyword>crater lake</Keyword>
<Keyword>Lake sediment</Keyword>
<Keyword>LLEs22-3</Keyword>
<Keyword>Mexico</Keyword>
<Keyword>Primary production</Keyword>
<Keyword>Sediment corer, UWITEC</Keyword>
<Keyword>Tropical</Keyword>
<Sensor_Name>
<Long_Name>Alpha spectrometry</Long_Name>
</Sensor_Name>
<Temporal_Coverage>
<Start_Date>2022-04-02</Start_Date>
<Stop_Date>2022-04-02</Stop_Date>
</Temporal_Coverage>
<Data_Set_Progress>Complete</Data_Set_Progress>
<Spatial_Coverage>
<Southernmost_Latitude>19.907028</Southernmost_Latitude>
<Northernmost_Latitude>19.907028</Northernmost_Latitude>
<Westernmost_Longitude>-101.768111</Westernmost_Longitude>
<Easternmost_Longitude>-101.768111</Easternmost_Longitude>
<Minimum_Depth>0.005 m (DEPTH, sediment/rock)</Minimum_Depth>
<Maximum_Depth>0.195 m (DEPTH, sediment/rock)</Maximum_Depth>
</Spatial_Coverage>
<Access_Constraints>unrestricted</Access_Constraints>
<Use_Constraints>CC-BY-4.0: Creative Commons Attribution 4.0 International</Use_Constraints>
<Data_Set_Language>English</Data_Set_Language>
<Data_Center>
<Data_Center_Name>
<Short_Name>PANGAEA</Short_Name>
<Long_Name>Data Publisher for Earth &amp; Environmental Science</Long_Name>
</Data_Center_Name>
<Data_Center_URL>https://www.pangaea.de/</Data_Center_URL>
<Personnel>
<Role>Data Center Contact</Role>
<First_Name>Michael</First_Name>
<Last_Name>Diepenbroek</Last_Name>
<Email>info@pangaea.de</Email>
<Contact_Address>
<Address>Leobener Str.</Address>
<City>Bremen</City>
<Province_or_State>Bremen</Province_or_State>
<Postal_Code>28359</Postal_Code>
<Country>Germany</Country>
</Contact_Address>
</Personnel>
</Data_Center>
<Distribution>
<Distribution_Media>online</Distribution_Media>
<Distribution_Size>140 data points</Distribution_Size>
<Distribution_Format>text/tab-separated-values</Distribution_Format>
</Distribution>
<Reference>Rantala, Marttiina V; Israde-Alcántara, Isabel; Safaierad, Reza; Mattielli, Nadine; Tylmann, Wojciech; Smol, John P; Grooms, Christopher; Lepoint, Gilles; Francus, Pierre; Metcalfe, Sarah; Etmański, Paweł; Fagel, Nathalie (2026): Increasing lake primary production and organic carbon sequestration in tropical Mexican lakes during the past century. CATENA, 273, 110448, https://doi.org/10.1016/j.catena.2026.110448</Reference>
<Summary>Lead-210 (Pb-210) dating of sediment core LLEs22-3 retrieved from Lake Los Espinos in April 2022. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.990156"!</Summary>
<Related_URL>
<URL>https://doi.org/10.1016/j.catena.2026.110448</URL>
<Description>Increasing lake primary production and organic carbon sequestration in tropical Mexican lakes during the past century</Description>
</Related_URL>
<Metadata_Name>DIF</Metadata_Name>
<Metadata_Version>9.4</Metadata_Version>
<DIF_Creation_Date>2026-06-05</DIF_Creation_Date>
<Last_DIF_Revision_Date>2026-09-04</Last_DIF_Revision_Date>
</DIF>
