<?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_932947</Entry_ID>
<Entry_Title>Strontium isotope ratios (87Sr/86Sr) of tap waters from several major US metropolitan areas</Entry_Title>
<Data_Set_Citation>
<Dataset_Creator>Tipple, Brett James; Chau, Thuan H; Chesson, Lesley A; Ehleringer, James Russell; Mancuso, Christy J; Valenzuela, Luciano O</Dataset_Creator>
<Dataset_Title>Strontium isotope ratios (87Sr/86Sr) of tap waters from several major US metropolitan areas</Dataset_Title>
<Dataset_Release_Date>2023-03-29</Dataset_Release_Date>
<Dataset_Publisher>PANGAEA</Dataset_Publisher>
<Data_Presentation_Form>Dataset</Data_Presentation_Form>
<Online_Resource>https://doi.pangaea.de/10.1594/PANGAEA.932947</Online_Resource>
</Data_Set_Citation>
<Personnel>
<Role>Investigator</Role>
<First_Name>Brett James</First_Name>
<Last_Name>Tipple</Last_Name>
<Email>btipple13@gmail.com</Email>
</Personnel>
<Discipline>
<Discipline_Name>Earth Science</Discipline_Name>
</Discipline>
<Parameters>
<Detailed_Variable>Event label</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sample ID</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Location</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>DATE/TIME</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>LATITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>LONGITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Area/locality</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Strontium-87/Strontium-86 ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Strontium-87/Strontium-86 ratio, standard deviation</Detailed_Variable>
</Parameters>
<ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
<Keyword>Arizona_tap_water</Keyword>
<Keyword>California_tap_water</Keyword>
<Keyword>drought</Keyword>
<Keyword>elemental composition</Keyword>
<Keyword>hydrogen</Keyword>
<Keyword>hydrology</Keyword>
<Keyword>One-time_collection_tap_water</Keyword>
<Keyword>Oxygen</Keyword>
<Keyword>Salt_Lake_Valley_tap_water</Keyword>
<Keyword>Strontium</Keyword>
<Keyword>Water sample</Keyword>
<Temporal_Coverage>
<Start_Date>2012-06-29</Start_Date>
<Stop_Date>2015-08-25</Stop_Date>
</Temporal_Coverage>
<Data_Set_Progress>Complete</Data_Set_Progress>
<Spatial_Coverage>
<Southernmost_Latitude>32.55225</Southernmost_Latitude>
<Northernmost_Latitude>42.8492</Northernmost_Latitude>
<Westernmost_Longitude>-122.54613</Westernmost_Longitude>
<Easternmost_Longitude>-71.01042000000001</Easternmost_Longitude>
</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>3286 data points</Distribution_Size>
<Distribution_Format>text/tab-separated-values</Distribution_Format>
</Distribution>
<Reference>Tipple, Brett James (2014): Isotope analyses of hair as a trace evidence tool to reconstruct human movements: combining strontium isotope with hydrogen/oxygen isotope data. Department of Justice, National Criminal Justice Reference Service, Document Number 248977, 51 pp, https://www.ojp.gov/pdffiles1/nij/grants/248977.pdf</Reference>
<Reference>Tipple, Brett James (2016): Isotope analyses of hair as a trace evidence tool to reconstruct human movements: Establishing the effects of the “Human Ecosystem” on strontium and oxygen isotope ratios. Department of Justice, National Criminal Justice Reference Service, Document Number 250339, 92 pp, https://www.ojp.gov/pdffiles1/nij/grants/250339.pdf</Reference>
<Reference>Tipple, Brett James; Jameel, Yusuf; Chau, Thuan H; Mancuso, Christy J; Bowen, Gabriel J; Dufour, Alexis; Chesson, Lesley A; Ehleringer, James Russell (2017): Stable hydrogen and oxygen isotopes of tap water reveal structure of the San Francisco Bay Area's water system and adjustments during a major drought. Water Research, 119, 212-224, https://doi.org/10.1016/j.watres.2017.04.022</Reference>
<Reference>Tipple, Brett James; Valenzuela, Luciano O; Chau, Thuan H; Hu, Lihai; Bataille, Clement P; Chesson, Lesley A; Ehleringer, James Russell (2019): Strontium isotope ratios of human hair from the United States: Patterns and aberrations. Rapid Communications in Mass Spectrometry, 33(5), 461-472, https://doi.org/10.1002/rcm.8378</Reference>
<Reference>Tipple, Brett James; Valenzuela, Luciano O; Ehleringer, James Russell (2018): Strontium isotope ratios of human hair record intra-city variations in tap water source. Scientific Reports, 8(1), https://doi.org/10.1038/s41598-018-21359-0</Reference>
<Summary>For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.932947"!</Summary>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_6709</URL>
<Description>LATITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_6709</URL>
<Description>LONGITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_8601</URL>
<Description>DATE/TIME</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.1002/rcm.8378</URL>
<Description>Strontium isotope ratios of human hair from the United States: Patterns and aberrations</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.1016/j.watres.2017.04.022</URL>
<Description>Stable hydrogen and oxygen isotopes of tap water reveal structure of the San Francisco Bay Area's water system and adjustments during a major drought</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.1038/s41598-018-21359-0</URL>
<Description>Strontium isotope ratios of human hair record intra-city variations in tap water source</Description>
</Related_URL>
<Related_URL>
<URL>https://www.ojp.gov/pdffiles1/nij/grants/248977.pdf</URL>
<Description>Isotope analyses of hair as a trace evidence tool to reconstruct human movements: combining strontium isotope with hydrogen/oxygen isotope data</Description>
</Related_URL>
<Related_URL>
<URL>https://www.ojp.gov/pdffiles1/nij/grants/250339.pdf</URL>
<Description>Isotope analyses of hair as a trace evidence tool to reconstruct human movements: Establishing the effects of the “Human Ecosystem” on strontium and oxygen isotope ratios</Description>
</Related_URL>
<Parent_DIF>PANGAEA_932952</Parent_DIF>
<Metadata_Name>DIF</Metadata_Name>
<Metadata_Version>9.4</Metadata_Version>
<DIF_Creation_Date>2023-03-29</DIF_Creation_Date>
<Last_DIF_Revision_Date>2026-04-30</Last_DIF_Revision_Date>
</DIF>
