{"@context":{"content":"http:\/\/purl.org\/rss\/1.0\/modules\/content\/","dc":"http:\/\/purl.org\/dc\/terms\/","foaf":"http:\/\/xmlns.com\/foaf\/0.1\/","og":"http:\/\/ogp.me\/ns#","rdfs":"http:\/\/www.w3.org\/2000\/01\/rdf-schema#","sioc":"http:\/\/rdfs.org\/sioc\/ns#","sioct":"http:\/\/rdfs.org\/sioc\/types#","skos":"http:\/\/www.w3.org\/2004\/02\/skos\/core#","xsd":"http:\/\/www.w3.org\/2001\/XMLSchema#","owl":"http:\/\/www.w3.org\/2002\/07\/owl#","rdf":"http:\/\/www.w3.org\/1999\/02\/22-rdf-syntax-ns#","rss":"http:\/\/purl.org\/rss\/1.0\/","site":"https:\/\/www.bco-dmo.org\/ns#","odo":"http:\/\/ocean-data.org\/schema\/","emo":"http:\/\/ocean-data.org\/schema\/entity-matching#","bibo":"http:\/\/purl.org\/ontology\/bibo\/","crypto":"http:\/\/id.loc.gov\/vocabulary\/preservation\/cryptographicHashFunctions\/","bcodmo":"http:\/\/lod.bco-dmo.org\/id\/","tw":"http:\/\/tw.rpi.edu\/schema\/","dcat":"http:\/\/www.w3.org\/ns\/dcat#","time":"http:\/\/www.w3.org\/2006\/time#","geo":"http:\/\/www.w3.org\/2003\/01\/geo\/wgs84_pos#","geosparql":"http:\/\/www.opengis.net\/ont\/geosparql#","sf":"http:\/\/www.opengis.net\/ont\/sf#","void":"http:\/\/rdfs.org\/ns\/void#","sd":"http:\/\/www.w3.org\/ns\/sparql-service-description#","dctype":"http:\/\/purl.org\/dc\/dcmitype\/","prov":"http:\/\/www.w3.org\/ns\/prov#","schema":"http:\/\/schema.org\/","geolink":"http:\/\/schema.geolink.org\/1.0\/base\/main#","spdx":"http:\/\/spdx.org\/rdf\/terms#","bcodmo_vocab":"http:\/\/schema.bco-dmo.org\/"},"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/810696#graph","@graph":[{"http:\/\/lod.bco-dmo.org\/id\/dataset\/810696":{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/810696","@type":["http:\/\/ocean-data.org\/schema\/DeploymentDatasetCollection","http:\/\/www.w3.org\/ns\/dcat#Dataset","http:\/\/ocean-data.org\/schema\/Dataset"],"http:\/\/ocean-data.org\/schema\/hasAcquisitionDescription":[{"@value":"
A maximum-entropy inversion technique was applied to CFC and SF6 measurements made on the U.S. GEOTRACES North Atlantic Transect, and radiocarbon concentrations interpolated to sample locations along the transact from gridded data reported in the GLODAP data compilation, to determine mean ages and source water compositions of each water sample. Details are described in Holzer et al. (2018).<\/p>\n
See the attached README file (GA03_transit-time_partitioned_water-mass_fractions_v2_README.pdf) for more information on methods and a map of region locations.<\/p><\/div>","@type":"rdf:HTML"}],"http:\/\/ocean-data.org\/schema\/hasBriefDescription":[{"@value":"The fraction of water last ventilated in a given region regardless of the time elapsed since ventilation (in practice, younger than 4000 years).","@language":"en-US"}],"http:\/\/purl.org\/dc\/terms\/description":[{"@value":"
Water mass fractions and ages calculated from hydrographic and tracer data using a maximum-entropy inversion technique.<\/p>\n
This dataset\u00a0contains the fraction of water last ventilated in a given region regardless of the time elapsed since ventilation (in practice, younger than 4000 years) as well as the corresponding\u00a0ensemble standard deviations.<\/p>\n
Data File Formats:
\nFor a .csv or .tsv format of these data, use the \"Get Data\" button at the top of the BCO-DMO metadata page.\u00a0
\nFor a Matlab file containing all of the water mass fraction data from this project, see the \"Data Files\" section of the BCO-DMO metadata page.<\/p><\/div>","@type":"rdf:HTML"}],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"Water Mass Fractions - All Years","@type":"xsd:string"}],"http:\/\/purl.org\/dc\/terms\/identifier":[{"@value":"810696","@type":"xsd:int"}],"http:\/\/purl.org\/dc\/terms\/title":[{"@value":"Water Mass Fractions - All Years"}],"http:\/\/purl.org\/dc\/terms\/date":[{"@value":"2020-05-06T12:51:03-04:00","@type":"xsd:dateTime"}],"http:\/\/purl.org\/dc\/terms\/created":[{"@value":"2020-05-06T12:51:03-04:00","@type":"xsd:dateTime"}],"http:\/\/purl.org\/dc\/terms\/modified":[{"@value":"2023-07-07T16:10:26-04:00","@type":"xsd:dateTime"}],"http:\/\/rdfs.org\/ns\/void#inDataset":[{"@id":"http:\/\/www.bco-dmo.org\/"}],"http:\/\/ocean-data.org\/schema\/namedGraph":[{"@value":"urn:bcodmo:dataset:810696","@type":"xsd:token"}],"http:\/\/ocean-data.org\/schema\/osprey_page":[{"@id":"https:\/\/www.bco-dmo.org\/dataset\/810696"}],"http:\/\/ocean-data.org\/schema\/identifier":[{"@value":"_:Identifier810696"}],"http:\/\/ocean-data.org\/schema\/datasetTitle":[{"@value":"The fraction of water last ventilated in a given region regardless of the time elapsed since ventilation (in practice, younger than 4000 years) based on samples collected from R\/V Knorr cruises KN199-04 and KN204-01 during 2010-2011","@language":"en-US"}],"http:\/\/ocean-data.org\/schema\/abstract":[{"@value":"Water mass fractions and ages calculated from hydrographic and tracer data using a maximum-entropy inversion technique.\r\n\r\nThis dataset contains the fraction of water last ventilated in a given region regardless of the time elapsed since ventilation (in practice, younger than 4000 years) as well as the corresponding ensemble standard deviations.","@language":"en-US"}],"http:\/\/purl.org\/dc\/terms\/rights":[{"@id":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"http:\/\/ocean-data.org\/schema\/deprecated":[{"@value":"false","@type":"xsd:boolean"}],"http:\/\/ocean-data.org\/schema\/temporalExtent":[{"@value":"_:temporalExtent810696"}],"http:\/\/ocean-data.org\/schema\/spatialCoverage":[{"@value":"_:spatialCoverage810696"}],"http:\/\/purl.org\/dc\/terms\/bibliographicCitation":[{"@value":"Smethie Jr., W., Holzer, M., Ting, Y. (2020) The fraction of water last ventilated in a given region regardless of the time elapsed since ventilation (in practice, younger than 4000 years) based on samples collected from R\/V Knorr cruises KN199-04 and KN204-01 during 2010-2011. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2020-05-06 [if applicable, indicate subset used]. doi:10.26008\/1912\/bco-dmo.810696.1 [access date]","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/validated":[{"@value":"true","@type":"xsd:boolean"}],"http:\/\/ocean-data.org\/schema\/versionLabel":[{"@value":"1","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/currentState":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-current-state\/7"}],"http:\/\/ocean-data.org\/schema\/nodcTopic":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/nodc-dataset-topic\/156"}],"http:\/\/ocean-data.org\/schema\/datasetType":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-type\/172"}],"http:\/\/purl.org\/ontology\/bibo\/doi":[{"@value":"10.26008\/1912\/bco-dmo.810696.1","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/restricted":[{"@value":"false","@type":"xsd:boolean"}],"http:\/\/ocean-data.org\/schema\/hasAward":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/award\/55011"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/award\/810648"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/award\/810653"}],"http:\/\/ocean-data.org\/schema\/storesValuesFor":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810949"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810950"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810951"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810952"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810953"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810954"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810955"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810956"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810957"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810958"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810959"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810960"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810961"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810962"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810963"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810964"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810965"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810966"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810967"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810968"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810969"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810970"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810971"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810972"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810973"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810974"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/810975"}],"http:\/\/ocean-data.org\/schema\/hasAgentWithRole":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/person-role\/810706"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/person-role\/810707"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/person-role\/810708"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/person-role\/810709"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/person-role\/810710"}],"http:\/\/purl.org\/dc\/terms\/language":[{"@value":"http:\/\/id.loc.gov\/vocabulary\/iso639-1\/en","@type":"xsd:anyURI"}],"http:\/\/xmlns.com\/foaf\/0.1\/homepage":[{"@id":"https:\/\/www.bco-dmo.org\/dataset\/810696"}],"http:\/\/purl.org\/dc\/terms\/issued":[{"@value":"2020-05-06","@type":"xsd:date"}],"http:\/\/purl.org\/dc\/terms\/publisher":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/www.w3.org\/ns\/dcat#contactPoint":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/person\/810670"}]},"_:frictionlessdata810696":{"@id":"_:frictionlessdata810696","@type":["http:\/\/ocean-data.org\/schema\/MetadataDownloadAffordance"],"http:\/\/schema.org\/subjectOf":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/810696"}],"http:\/\/schema.org\/name":[{"@value":"Datapackage.json","@type":"xsd:string"}],"http:\/\/schema.org\/alternateName":[{"@value":"Frictionless Data Package","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/affordedBy":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/schema.org\/target":[{"@value":"_:frictionlessdata810696entryPoint"}]},"_:frictionlessdata810696entryPoint":{"@id":"_:frictionlessdata810696entryPoint","@type":["http:\/\/schema.org\/EntryPoint"],"http:\/\/schema.org\/url":[{"@value":"https:\/\/www.bco-dmo.org\/dataset\/810696\/datapackage.json","@type":"xsd:anyURI"}],"http:\/\/schema.org\/contentType":[{"@value":"application\/vnd.datapackage+json","@type":"xsd:token"}]},"_:datasetdescription810696":{"@id":"_:datasetdescription810696","@type":["http:\/\/ocean-data.org\/schema\/MetadataDownloadAffordance"],"http:\/\/schema.org\/subjectOf":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/810696"}],"http:\/\/schema.org\/name":[{"@value":"PDF","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/affordedBy":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/schema.org\/target":[{"@value":"_:datasetdescription810696entryPoint"}]},"_:datasetdescription810696entryPoint":{"@id":"_:datasetdescription810696entryPoint","@type":["http:\/\/schema.org\/EntryPoint","http:\/\/ocean-data.org\/schema\/PdfDatasetDescription"],"http:\/\/schema.org\/url":[{"@value":"https:\/\/www.bco-dmo.org\/dataset\/810696\/Dataset_description.pdf","@type":"xsd:anyURI"}],"http:\/\/schema.org\/contentType":[{"@value":"application\/pdf","@type":"xsd:token"}]},"_:iso810696":{"@id":"_:iso810696","@type":["http:\/\/ocean-data.org\/schema\/MetadataDownloadAffordance"],"http:\/\/schema.org\/subjectOf":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/810696"}],"http:\/\/schema.org\/name":[{"@value":"ISO 19115-2 (NOAA Profile)","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/affordedBy":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/schema.org\/target":[{"@value":"_:iso810696entryPoint"}]},"_:iso810696entryPoint":{"@id":"_:iso810696entryPoint","@type":["http:\/\/schema.org\/EntryPoint","http:\/\/ocean-data.org\/schema\/ISOMetadata"],"http:\/\/schema.org\/url":[{"@value":"https:\/\/www.bco-dmo.org\/dataset\/810696\/iso","@type":"xsd:anyURI"}],"http:\/\/schema.org\/contentType":[{"@value":"application\/xml","@type":"xsd:token"}],"http:\/\/purl.org\/dc\/terms\/conformsTo":[{"@value":"http:\/\/www.isotc211.org\/2005\/gmd-noaa","@type":"xsd:anyURI"}]},"_:dublincore810696":{"@id":"_:dublincore810696","@type":["http:\/\/ocean-data.org\/schema\/MetadataDownloadAffordance"],"http:\/\/schema.org\/subjectOf":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/810696"}],"http:\/\/schema.org\/name":[{"@value":"Dublin Core","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/affordedBy":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/schema.org\/target":[{"@value":"_:dublincore810696entryPoint"}]},"_:dublincore810696entryPoint":{"@id":"_:dublincore810696entryPoint","@type":["http:\/\/schema.org\/EntryPoint"],"http:\/\/schema.org\/url":[{"@value":"https:\/\/www.bco-dmo.org\/dataset\/810696\/dublin-core","@type":"xsd:anyURI"}],"http:\/\/schema.org\/contentType":[{"@value":"application\/xml","@type":"xsd:token"}],"http:\/\/purl.org\/dc\/terms\/conformsTo":[{"@value":"http:\/\/purl.org\/dc\/elements\/1.1\/","@type":"xsd:anyURI"}]},"_:Identifier810696":{"@id":"_:Identifier810696","@type":["http:\/\/ocean-data.org\/schema\/Identifier","http:\/\/ocean-data.org\/schema\/BCODMOIdentifier","http:\/\/ocean-data.org\/schema\/OSPREY_v2_Node_dataset"],"http:\/\/ocean-data.org\/schema\/identifierScheme":[{"@id":"http:\/\/ocean-data.org\/schema\/IdentifierScheme_BCODMO_Version_2"}],"http:\/\/ocean-data.org\/schema\/identifierValue":[{"@value":"810696","@type":"xsd:token"}],"http:\/\/ocean-data.org\/schema\/resolvableURL":[{"@value":"http:\/\/lod.bco-dmo.org\/id\/dataset\/810696","@type":"xsd:anyURI"}]},"_:temporalExtent810696":{"@id":"_:temporalExtent810696","@type":["http:\/\/www.w3.org\/2006\/time#Interval"],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"2010-10-16 - 2011-12-10","@type":"xsd:string"}],"http:\/\/www.w3.org\/2006\/time#hasBeginning":[{"@value":"_:temporalExtent810696Start"}],"http:\/\/www.w3.org\/2006\/time#hasEnd":[{"@value":"_:temporalExtent810696End"}]},"_:temporalExtent810696Start":{"@id":"_:temporalExtent810696Start","@type":["http:\/\/www.w3.org\/2006\/time#Instant"],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"2010-10-16","@type":"xsd:string"}],"http:\/\/www.w3.org\/2006\/time#inXSDDate":[{"@value":"2010-10-16","@type":"xsd:date"}],"http:\/\/www.w3.org\/2006\/time#inDateTime":[{"@value":"_:temporalExtent810696StartDescription"}]},"_:temporalExtent810696StartDescription":{"@id":"_:temporalExtent810696StartDescription","@type":["http:\/\/www.w3.org\/2006\/time#DateTimeDescription"],"http:\/\/www.w3.org\/2006\/time#unitType":[{"@id":"http:\/\/www.w3.org\/2006\/time#unitDay"}],"http:\/\/www.w3.org\/2006\/time#day":[{"@value":"---16","@type":"xsd:gDay"}],"http:\/\/www.w3.org\/2006\/time#dayOfYear":[{"@value":"288","@type":"xsd:nonNegativeInteger"}],"http:\/\/www.w3.org\/2006\/time#dayOfWeek":[{"@id":"http:\/\/www.w3.org\/2006\/time#Saturday"}],"http:\/\/www.w3.org\/2006\/time#month":[{"@value":"--10","@type":"xsd:gMonth"}],"http:\/\/www.w3.org\/2006\/time#year":[{"@value":"2010","@type":"xsd:gYear"}]},"_:temporalExtent810696End":{"@id":"_:temporalExtent810696End","@type":["http:\/\/www.w3.org\/2006\/time#Instant"],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"2011-12-10","@type":"xsd:string"}],"http:\/\/www.w3.org\/2006\/time#inXSDDate":[{"@value":"2011-12-10","@type":"xsd:date"}],"http:\/\/www.w3.org\/2006\/time#inDateTime":[{"@value":"_:temporalExtent810696EndDescription"}]},"_:temporalExtent810696EndDescription":{"@id":"_:temporalExtent810696EndDescription","@type":["http:\/\/www.w3.org\/2006\/time#DateTimeDescription"],"http:\/\/www.w3.org\/2006\/time#unitType":[{"@id":"http:\/\/www.w3.org\/2006\/time#unitDay"}],"http:\/\/www.w3.org\/2006\/time#day":[{"@value":"---10","@type":"xsd:gDay"}],"http:\/\/www.w3.org\/2006\/time#dayOfYear":[{"@value":"343","@type":"xsd:nonNegativeInteger"}],"http:\/\/www.w3.org\/2006\/time#dayOfWeek":[{"@id":"http:\/\/www.w3.org\/2006\/time#Saturday"}],"http:\/\/www.w3.org\/2006\/time#month":[{"@value":"--12","@type":"xsd:gMonth"}],"http:\/\/www.w3.org\/2006\/time#year":[{"@value":"2011","@type":"xsd:gYear"}]},"_:spatialCoverage810696":{"@id":"_:spatialCoverage810696","@type":["http:\/\/www.opengis.net\/ont\/sf#Polygon"],"http:\/\/purl.org\/dc\/terms\/source":[{"@value":"OSPREY","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/crs":[{"@value":"http:\/\/www.opengis.net\/def\/crs\/OGC\/1.3\/CRS84","@type":"xsd:anyURI"}],"http:\/\/ocean-data.org\/schema\/spatialCenter":[{"@value":"_:spatialCoverage810696centroid"}],"http:\/\/www.opengis.net\/ont\/geosparql#asWKT":[{"@value":"