<ddi:DDIInstance xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:instance:3_3 http://ddialliance.org/Specification/DDI-Lifecycle/3.3/XMLSchema/instance.xsd" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ddi="ddi:instance:3_3" xmlns:r="ddi:reusable:3_3" xmlns:s="ddi:studyunit:3_3" xmlns:d="ddi:datacollection:3_3" xmlns:a="ddi:archive:3_3" xmlns:c="ddi:conceptualcomponent:3_3" xmlns:cm="ddi:comparative:3_3" xmlns:g="ddi:group:3_3" xmlns:l="ddi:logicalproduct:3_3" xmlns:p="ddi:physicaldataproduct:3_3" xmlns:pi="ddi:physicalinstance:3_3" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xml="http://www.w3.org/XML/1998/namespace" isMaintainable="true" scopeOfUniqueness="Agency">
  <r:URN>urn:ddi:se.researchdata:ecds0137-1:1</r:URN>
  <r:Agency>SND</r:Agency>
  <r:ID>ecds0137-1</r:ID>
  <r:Version>1</r:Version>
  <g:ResourcePackage>
    <r:URN>urn:ddi:se.researchdata:ecds0137-1.ResourcePackage:2.0</r:URN>
    <r:OtherMaterialScheme>
      <r:URN>urn:ddi:se.researchdata:ecds0137-1.OtherMaterialScheme:2.0</r:URN>
    </r:OtherMaterialScheme>
    <a:OrganizationScheme>
      <r:URN>urn:ddi:se.researchdata:ecds0137-1.OrganizationScheme-0:2.0</r:URN>
      <a:Individual>
        <r:URN>urn:ddi:se.researchdata:ecds0137-1.Individual-0:2.0</r:URN>
        <r:UserAttributePair>
          <r:AttributeKey>affiliation</r:AttributeKey>
          <r:AttributeValue>Department of Marine Sciences, University of Gothenburg</r:AttributeValue>
        </r:UserAttributePair>
        <a:IndividualIdentification>
          <a:IndividualName>
            <a:FirstGiven>Göran</a:FirstGiven>
            <a:LastFamily>Björk</a:LastFamily>
            <a:FullName>
              <r:String>Göran Björk</r:String>
            </a:FullName>
          </a:IndividualName>
        </a:IndividualIdentification>
      </a:Individual>
    </a:OrganizationScheme>
  </g:ResourcePackage>
  <s:StudyUnit>
    <r:URN>urn:ddi:se.researchdata:ecds0137-1.StudyUnit:2.0</r:URN>
    <r:UserID typeOfUserID="datasetIdentifier">ecds0137-1</r:UserID>
    <r:Citation>
      <r:Title>
        <r:String xml:lang="sv">CTD-data för salt och temperatur i Kattegat under 2005 och 2006</r:String>
        <r:String xml:lang="en">Salt and temperature CTD data in Kattegat during 2005 and 2006</r:String>
      </r:Title>
      <r:Creator>
        <r:CreatorReference>
          <r:URN>urn:ddi:se.researchdata:ecds0137-1.Individual-0:2.0</r:URN>
          <r:TypeOfObject>Individual</r:TypeOfObject>
        </r:CreatorReference>
      </r:Creator>
      <r:Publisher>
        <r:PublisherName>
          <r:String xml:lang="sv">Göteborgs universitet</r:String>
          <r:String xml:lang="en">University of Gothenburg</r:String>
        </r:PublisherName>
      </r:Publisher>
      <r:Publisher>
        <r:PublisherName>
          <r:String xml:lang="sv">Göteborgs universitet</r:String>
          <r:String xml:lang="en">University of Gothenburg</r:String>
        </r:PublisherName>
      </r:Publisher>
      <r:PublicationDate>
        <r:SimpleDate>2019-10-16</r:SimpleDate>
      </r:PublicationDate>
    </r:Citation>
    <r:Abstract>
      <r:Content xml:lang="sv">Under februari och mars, 2005 och 2006, genomfördes planktoniska äggundersökningar under toppen av lekperioden för Kattegattorsk. Den totala undersökningsperioden omfattade fem veckor med en fem dagar lång undersökning som genomfördes varannan vecka. Varje undersökning samlade in data från 50 stationer. Salt- och temperaturprofiler mättes med CTD (konduktivitet, temperatur och djupprofil, SBE 911plus).

Data har samlats in med hjälp av CTD (SBE 911plus) ombord på forskningsfartyget Skagerack vid Göteborgs universitet. Sensorerna på detta instrument kalibreras rutinmässigt och regelbundet vilket säkerställer en god datakvalitet.

För mer information om dataset se:
Pacariz, S., Björk, G., Jonsson, P., Börjesson, P., and Svedäng, H. A model study of the large-scale transport of fish eggs in the Kattegat in relation to egg density (2013). - ICES Journal of Marine Science, doi.10.1093/icesjms/fst144.</r:Content>
      <r:Content xml:lang="en">In 2005 and 2006, planktonic egg surveys were conducted in February and March during the peak spawning period for Kattegat cod. The total survey period encompassed five weeks with a five-day long survey carried out every second week. During each survey 50 stations were sampled. Salinity and temperature profiles were measured by CTD (Conductivity,Temperature and Depth profiler, SBE 911plus). 

The data was collected using the CTD (SBE 911plus) on board the University of Gothenburg research vessel Skagerack. The sensors on this instrument are calibrated on a routine and regular basis which ensures a good data quality. 

For more information about the dataset see:
Pacariz, S., Björk, G., Jonsson, P., Börjesson, P., and Svedäng, H. A model study of the large-scale transport of fish eggs in the Kattegat in relation to egg density (2013). – ICES Journal of Marine Science, doi.10.1093/icesjms/fst144.</r:Content>
    </r:Abstract>
    <r:Coverage>
      <r:TopicalCoverage>
        <r:URN>urn:ddi:se.researchdata:ecds0137-1.TopicalCoverage:2.0</r:URN>
        <r:Subject xml:lang="en" controlledVocabularyID="105" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Earth and Related Environmental Sciences</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="105" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Geovetenskap och relaterad miljövetenskap</r:Subject>
        <r:Subject xml:lang="en" controlledVocabularyID="106" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Biological Sciences</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="106" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Biologi</r:Subject>
        <r:Subject xml:lang="en" controlledVocabularyID="environment" controlledVocabularyName="INSPIRE topic categories">Environment</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="environment" controlledVocabularyName="INSPIRE topic categories">Miljö</r:Subject>
        <r:Subject xml:lang="en" controlledVocabularyID="inland-waters" controlledVocabularyName="INSPIRE topic categories">Inland Waters</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="inland-waters" controlledVocabularyName="INSPIRE topic categories">Sjöar och vattendrag</r:Subject>
        <r:Keyword xml:lang="en" controlledVocabularyID="7e95b5fc-1d58-431a-af36-948b29fa870d" controlledVocabularyName="GCMD">SALINITY</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="7041e51c-e2de-405a-b154-6016f624f54f" controlledVocabularyName="GCMD">CONDUCTIVITY</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="007ab607-2ee1-484d-85fb-0bfb89f18c9b" controlledVocabularyName="GCMD">DENSITY</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="46206e8c-8def-406f-9e62-da4e74633a58" controlledVocabularyName="GCMD">WATER TEMPERATURE</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="5799" controlledVocabularyName="GEMET">ocean temperature</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="7390" controlledVocabularyName="GEMET">salt content</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="7390" controlledVocabularyName="GEMET">salthalt</r:Keyword>
      </r:TopicalCoverage>
      <r:SpatialCoverage />
      <r:TemporalCoverage>
        <r:URN>urn:ddi:se.researchdata:ecds0137-1.TemporalCoverage:2.0</r:URN>
        <r:ReferenceDate>
          <r:StartDate>2005-02-14</r:StartDate>
          <r:EndDate>2006-03-17</r:EndDate>
        </r:ReferenceDate>
      </r:TemporalCoverage>
    </r:Coverage>
    <a:Archive>
      <r:URN>urn:ddi:se.researchdata:ecds0137-1.Archive:2.0</r:URN>
      <a:ArchiveSpecific>
        <a:Item>
          <a:Access>
            <r:URN>urn:ddi:se.researchdata:ecds0137-1.Archive-ArchiveSpecificType-AccessType:2.0</r:URN>
            <a:TypeOfAccess controlledVocabularyName="info:eu-repo-Access-Terms vocabulary">restrictedAccess</a:TypeOfAccess>
          </a:Access>
          <a:DataFileQuantity>0</a:DataFileQuantity>
        </a:Item>
      </a:ArchiveSpecific>
    </a:Archive>
  </s:StudyUnit>
</ddi:DDIInstance>