{"@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://osprey.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/555691#graph","@graph":[{"http://lod.bco-dmo.org/id/dataset/555691":{"@id":"http://lod.bco-dmo.org/id/dataset/555691","@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":"<div><p><strong>Water column sample collection:</strong>\u00a0Samples were collected on the R/V Atlantis in January through February 2010, and the R/V Melville in March through April 2011 on a zonal transect along 20\u00ba S between 80\u00ba W and 100\u00ba W, with exact station locations and sample depths, nutrient concentrations and isotopic compositions reported below. Water column samples were collected by Niskin bottles deployed on a rosette equipped with conductivity-temperature-depth (CTD) sensors. All samples were collected into acid-washed, sample-rinsed HDPE bottles, and samples from the upper 400 m passed a 0.2 \u00b5m filter before collection. All samples were stored at -20\u00ba C until analysis on land.</p>\n<p><strong>Nitrate plus nitrite (NO3-+NO2-) concentration:</strong> The concentration of NO3-+NO2- ([NO3-+NO2-]) was determined using chemiluminescent analysis (in a configuration with a detection limit of 0.05 \u00b5M, + 0.1 \u00b5M 1 S.D.).</p>\n<p><strong>Reference:</strong> Braman, R. S. &amp; Hendrix, S. A. Nanogram Nitrite and Nitrate Determination in Environmental and Biological-Materials by Vanadium(Iii) Reduction with Chemi-Luminescence Detection. Analytical Chemistry 61, 2715-2718 (1989).</p>\n<p>\u00a0-----</p>\n<p><strong>NO3+NO2 d15N:</strong> The d15N of NO3+NO2 was determined using the denitrified method on samples with &gt;0.3 \u00b5M NO3+NO2 with a standard deviation &lt;0.2 per mil.</p>\n<p><strong>References:</strong></p>\n<p>Sigman, D. M. et al. A bacterial method for the nitrogen isotopic analysis of nitrate in seawater and freshwater. Analytical Chemistry 73, 4145-4153 (2001).</p>\n<p>Casciotti, K. L., Sigman, D. M., Hastings, M. G., Bohlke, J. K. &amp; Hilkert, A. Measurement of the oxygen isotopic composition of nitrate in seawater and freshwater using the denitrifier method. Analytical Chemistry 74, 4905-4912 (2002).</p>\n<p>McIlvin, M. R. &amp; Casciotti, K. L. Technical Updates to the Bacterial Method for Nitrate Isotopic Analyses. Analytical Chemistry 83, 1850-1856 (2011).</p></div>","@type":"rdf:HTML"}],"http://ocean-data.org/schema/hasBriefDescription":[{"@value":"Nitrate + nitrite concentration and d15N from the Eastern Tropical South Pacific, 2010-2011","@language":"en-US"}],"http://www.w3.org/2000/01/rdf-schema#label":[{"@value":"nitrate plus nitrite","@type":"xsd:string"}],"http://ocean-data.org/schema/hasProcessingDescription":[{"@value":"<div><p><strong>BCO-DMO Processing:</strong></p>\n<p>- added conventional header with dataset name, PI name, version date<br />\n- renamed parameters to BCO-DMO standard<br />\n- added cruise id column<br />\n- replaced blank cells with nd</p></div>","@type":"rdf:HTML"}],"http://purl.org/dc/terms/identifier":[{"@value":"555691","@type":"xsd:int"}],"http://purl.org/dc/terms/title":[{"@value":"nitrate plus nitrite"}],"http://purl.org/dc/terms/date":[{"@value":"2015-04-10T11:02:51-04:00","@type":"xsd:dateTime"}],"http://purl.org/dc/terms/created":[{"@value":"2015-04-10T11:02:51-04:00","@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:555691","@type":"xsd:token"}],"http://ocean-data.org/schema/osprey_page":[{"@id":"https://osprey.bco-dmo.org/dataset/555691"}],"http://ocean-data.org/schema/identifier":[{"@id":"urn:bcodmo:osprey:v2:node:identifier:555691"}],"http://ocean-data.org/schema/datasetTitle":[{"@value":"Nitrate + nitrite concentration and d15N from the Eastern Tropical South Pacific collected on the R/V Atlantis (AT15-61) and R/V Melville (MV1104) in 2010-2011 (N2 fixation ETSP project, Microbial Nitrification project)","@language":"en-US"}],"http://ocean-data.org/schema/abstract":[{"@value":"","@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/spatialCoverage":[{"@id":"urn:bcodmo:dataset:555691:spatialCoverage"}],"http://purl.org/dc/terms/bibliographicCitation":[{"@value":"Capone, D., Berelson, W., Casciotti, K., Hansell, D., Knapp, A. 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