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Water temperature, salinity, bathymetry, and sediment samples taken by CTD and multibeam sonar from the research vessel Ke Xue, cruise HOBAB5, in the North Pacific (Mariana trench) from 2018-06-07 to 2018-06-20 (NCEI Accession 0279921)


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            title:  Water temperature, salinity, bathymetry, and sediment samples taken by CTD and multibeam sonar from the research vessel Ke Xue, cruise HOBAB5, in the North Pacific (Mariana trench) from 2018-06-07 to 2018-06-20 (NCEI Accession 0279921)
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                date:  2023-07-13
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/5777 Zhigang Zeng
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/5778 Shuai Chen
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        abstract:  This dataset contains water temperature, salinity, bathymetry, sediment samples taken by CTD and the Sea Beam 3012 multibeam system from the research vessel Ke Xue, cruise HOBAB5, KEXUE-CN 20106443808. Bottom video recording is also included. This cruise is U.S. State Department MSR U2018-012 as part of the World Data Service for Geophysics and Oceanography. Processed CTD data are in CNV, raw CTD data are also included. Multibeam sonar data are in the Sea Beam 3012 format. Video is in MPEG format. Report is in PDF. Sediment analysis is described in publications listed in the Document section.
        purpose:  The survey aimed to indicate the control of arc-backarc magmatism, and to illuminate the influence on seawater near seafloor by active hydrothermal activity. This is MSR cruise U2018-012.
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/447 BATHYMETRY
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                    description:  These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP).
                    function:  (CI_OnLineFunctionCode) download
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  NCEI Accession 0279921 v1.1 was published.
                dateTime:
                  DateTime:  2023-07-13T16:38:23Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0279921 v1.1
                        date:  (CI_Date)
                            date: (inapplicable)
                            dateType:  (CI_DateTypeCode) publication
                        citedResponsibleParty:  (CI_ResponsibleParty)
                            individualName: (inapplicable)
                            contactInfo:  (CI_Contact)
                                onlineResource:  (CI_OnlineResource)
                                    linkage: https://www.ncei.noaa.gov/archive/accession/0279921/1.1
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0279921 v1.1
                                    description:  published 2023-07-13T16:38:23Z
                                    function:  (CI_OnLineFunctionCode) download
                            role: (inapplicable)
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: BATHYMETRY (measured); Units: meter; Observation Category: in situ; Sampling Instrument: unknown.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: WATER TEMPERATURE (measured); Units: centidegrees Celsius; Observation Category: in situ; Sampling Instrument: CTD.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: SALINITY (measured); Units: unitless; Observation Category: in situ; Sampling Instrument: CTD.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: SEDIMENTS (measured); Units: multiple; Observation Category: in situ; Sampling Instrument: unknown.
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.
        contact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            role:  (CI_RoleCode) custodian
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  CTD
            type:  CTD
            description:  Conductivity-Temperature-Depth probe
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  multibeam sonar
            type:  multibeam sonar
            description:  generic instrument to measure seafloor topography Active sensors that utilize acoustic energy to collect measurements of seafloor depth and character (from http://www.csc.noaa.gov/crs/rs_apps/sensors/multi_beam.htm (last accessed 2008-12-09). Seafloor topography, bathymetry and other related geophysical data are usually managed and archived at the NOAA National Geophysical Data Center (www.ngdc.noaa.gov/mgg/).
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  Ke Xue
            description:  Platform Class 31: Research vessel Built Date: 2012-01-01 MMSI: 412330910 IMO: 9643788 Current Length(m): 99.8 Information Source: https://www.marinetraffic.com/en/ais/details/ships/shipid:501332/mmsi:412330910/imo:9643788/vessel:KE_XUE
            instrument: (missing)