Back to Collection NOAA/NESDIS/NGDC/MGG/Sonar_Water_Column

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referenceSystemInfo
identificationInfo
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distributionInfo
dataQualityInfo
dataQualityInfo
dataQualityInfo
acquisitionInformation

EM122 Water Column Sonar Data Collected During HLY1102
 (MI_Metadata)
    fileIdentifier:  gov.noaa.ngdc.mgg.wcd:HLY1102_EM122
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) series
    hierarchyLevelName:  Water Column Sonar Series-Level Metadata
    contact:  (CI_ResponsibleParty)
        organisationName:  NOAA National Centers for Environmental Information
        contactInfo:  (CI_Contact)
            address:  (CI_Address)
                electronicMailAddress:  ncei.info@noaa.gov
            onlineResource:  (CI_OnlineResource)
                linkage: https://www.ncei.noaa.gov/contact
                name:  NCEI Contact Information
                description:  Information for contacts at NCEI.
                function:  (CI_OnLineFunctionCode) information
        role:  (CI_RoleCode) pointOfContact
    dateStamp:  2020-06-03
    metadataStandardName:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
    metadataStandardVersion:  ISO 19115-2:2009(E)
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    spatialRepresentationInfo:  (MD_VectorSpatialRepresentation)
        geometricObjects:  (MD_GeometricObjects)
            geometricObjectType:  (MD_GeometricObjectTypeCode) curve
            geometricObjectCount:  1227
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            authority:  (CI_Citation)
                title:  World Geodetic System 1984
                alternateTitle:  WGS 84
                date:  (CI_Date)
                    date:  2007-08-27
                    dateType:  (CI_DateTypeCode) revision
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                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://epsg.org/crs_4326/WGS-84.html
                            name:  WGS 84
                            description:  GML of World Geodetic System 1984 coordinate reference system.
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                    role:  (CI_RoleCode) resourceProvider
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  European Petroleum Survey Group
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://epsg.org/home.html
                            name:  European Petroleum Survey Group Geodetic Parameter Registry
                            description:  Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations.
                            function:  (CI_OnLineFunctionCode) search
                    role:  (CI_RoleCode) publisher
            code:  urn:ogc:def:crs:EPSG::4326
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            authority:  (CI_Citation)
                title:  Vertical Datum: Unknown
                date: (inapplicable)
            code:  Vertical Datum: Unknown
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  EM122 Water Column Sonar Data Collected During HLY1102
            date:  (CI_Date)
                date:  2013-08-14
                dateType:  (CI_DateTypeCode) creation
            date:  (CI_Date)
                date:  2001-01-30
                dateType:  (CI_DateTypeCode) publication
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  NOAA National Centers for Environmental Information
                    date: (inapplicable)
                code:  HLY1102_EM122
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  NOAA National Centers for Environmental Information
                    date: (inapplicable)
                code:  NCEI Metadata ID:gov.noaa.ngdc.mgg.wcd:HLY1102_EM122
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                role:  (CI_RoleCode) custodian
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                individualName:  Larry Mayer
                organisationName:  Center for Coastal and Ocean Mapping/Joint Hydrographic Center, UNH
                positionName:  Professor
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  603-862-2615
                    address:  (CI_Address)
                        deliveryPoint:  24 Colovos Road
                        city:  Durham
                        administrativeArea:  NH
                        postalCode:  03824
                        country:  USA
                        electronicMailAddress:  lmayer@ccom.unh.edu
                role:  (CI_RoleCode) principalInvestigator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  Rolling Deck to Repository (R2R)
                role:  (CI_RoleCode) author
        abstract:  Joint U.S./Canadian Extended Continental Shelf (ECS) Survey: Arctic Ocean (HLY1102, EM122). Unknown
        purpose:  Unknown
        status:  (MD_ProgressCode) completed
        pointOfContact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            contactInfo:  (CI_Contact)
                address:  (CI_Address)
                    electronicMailAddress:  ncei.info@noaa.gov
                onlineResource:  (CI_OnlineResource)
                    linkage: https://www.ncei.noaa.gov/contact
                    name:  NCEI Contact Information
                    description:  Information for contacts at NCEI.
                    function:  (CI_OnLineFunctionCode) information
            role:  (CI_RoleCode) pointOfContact
        pointOfContact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            positionName:  Water Column Sonar Data Manager
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  (303) 497-4742
                address:  (CI_Address)
                    deliveryPoint:  325 Broadway, Mail Code E/NE42
                    city:  Boulder
                    administrativeArea:  CO
                    postalCode:  80305-3328
                    country:  USA
                    electronicMailAddress:  wcd.info@noaa.gov
            role:  (CI_RoleCode) pointOfContact
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) notPlanned
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Earth Science > Oceans > Ocean Acoustics > Acoustic Scattering
            keyword:  Earth Science > Oceans > Aquatic Sciences > Fisheries
            keyword:  Earth Science > Oceans > Ocean Acoustics
            keyword:  Earth Science > Biosphere > Ecosystems > Marine Ecosystems > Pelagic
            keyword:  Earth Science > Biosphere > Ecosystems > Marine Ecosystems
            keyword:  Earth Science > Biosphere > Ecosystems > Marine Ecosystems > Benthic
            keyword:  Earth Science > Biosphere > Ecosystems > Aquatic Ecosystems
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Science Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Bearing Sea
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)
                date:  (CI_Date)
                    date:  2010-08-24
                    dateType:  (CI_DateTypeCode) revision
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://iho.int/
                            name:  International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)
                            description:  Publication of Sea Areas is maintained by IHO.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
        descriptiveKeywords:  (MD_Keywords)
            keyword:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
            keyword:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            type:  (MD_KeywordTypeCode) dataCentre
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                title:  Global Change Master Directory (GCMD) Data Center Keywords
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                    date:  2020-01-09
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                edition:  9.1
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                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Vertical Location > Water Column
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Location Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  In Situ/Laboratory Instruments > Profilers/Sounders > Acoustic Sounders > WCMS > Water Column Mapping System
            type:  (MD_KeywordTypeCode) instrument
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Instrument Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: Rolling Deck to Repository (R2R). 2013. 'EM122 Water Column Sonar Data Collected During HLY1102'. NOAA National Centers for Environmental Information. [access date]
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  These data are considered raw and have not been subjected to the NOAA's quality control or quality assurance procedures. They are released for limited public use as preliminary data to be used only with appropriate caution. NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  Not subject to copyright protection within the United States.
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Resource may not be available for up to one year after initial collection.
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetIdentifier:  (MD_Identifier)
                code: https://doi.org/10.7284/902444
            associationType:  (DS_AssociationTypeCode) largerWorkCitation
            initiativeType:  (DS_InitiativeTypeCode) operation
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetIdentifier:  (MD_Identifier)
                code:  HLY1102
            associationType:  (DS_AssociationTypeCode) largerWorkCitation
            initiativeType:  (DS_InitiativeTypeCode) operation
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) oceans
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  141.911
                eastBoundLongitude:  -119.076
                southBoundLatitude:  53.9596469399712
                northBoundLatitude:  88.4598445534747
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  2011-08-15T00:00:00
                    endPosition:  2011-09-28T00:00:00
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    contentInfo:  (MI_CoverageDescription)
        attributeDescription:
          RecordType:  Trackline
        contentType:  (MD_CoverageContentTypeCode) physicalMeasurement
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    distributionInfo:  (MD_Distribution)
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                contactInfo:  (CI_Contact)
                    address:  (CI_Address)
                        electronicMailAddress:  ncei.info@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://www.ncei.noaa.gov/contact
                        name:  NCEI Contact Information
                        description:  Information for contacts at NCEI.
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  Free
                orderingInstructions:  Contact the NCEI Water Column Sonar Data Manager to order data.
            distributorFormat:  (MD_Format)
                name:  Kongsberg/Simrad instrument files (.raw or .wcd)
                version:  1
                specification:  Kongsberg/Simrad .raw files are generated by ME70, EK60 or ES60 instruments. They contain power and optionally angular position data with each beam/frequency identified by an independent channel. See the Simrad interface specification manual for further information. The .wcd files are generated by Kongsberg EM302 or EM122 instruments. See Kongsberg documentation for more information.
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: http://maps.ngdc.noaa.gov/viewers/water_column_sonar/
                    protocol:  HTTPS
                    name:  Water Column Sonar Data Map Viewer
                    description:  Interactive map viewer to allow discovery and access to water column sonar data
                    function:  (CI_OnLineFunctionCode) search
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/mgg/wcd/
                    protocol:  HTTPS
                    name:  Water Column Sonar Data Archive Homepage
                    description:  Web page containing information on the water column sonar data archive.
                    function:  (CI_OnLineFunctionCode) information
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) collectionHardware
            levelDescription:  (MD_ScopeDescription)
                other:  Instrument calibration information
        lineage:  (LI_Lineage)
            statement:
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) series
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy
            result:  (DQ_ConformanceResult)
                specification: (inapplicable)
                explanation:  Positional accuracy dependent on navigation GPS, ship motion correction, and sound velocity profile accuracy.
                pass:  true
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Vertical Positional Accuracy
            result:  (DQ_ConformanceResult)
                specification: (inapplicable)
                explanation:  Vertical accuracy is dependent on navigation GPS and ship motion corrections.
                pass:  true
        lineage:  (LI_Lineage)
            processStep:  (LI_ProcessStep)
                description:  Raw unprocessed data files
                dateTime:
                  DateTime:  2011-08-15T00:00:00
                processor:  (CI_ResponsibleParty)
                    individualName:  Larry Mayer
                    organisationName:  Center for Coastal and Ocean Mapping/Joint Hydrographic Center, UNH
                    positionName:  Professor
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  603-862-2615
                        address:  (CI_Address)
                            deliveryPoint:  24 Colovos Road
                            city:  Durham
                            administrativeArea:  NH
                            postalCode:  03824
                            country:  USA
                            electronicMailAddress:  lmayer@ccom.unh.edu
                    role:  (CI_RoleCode) principalInvestigator
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) series
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            citation:  (CI_Citation)
                title:  Kongsberg EM122 Multibeam Echosounder
                date: (unknown)
                identifier:  (MD_Identifier)
                    code:  EM122
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Kongsberg Maritime
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.km.kongsberg.com/ks/web/nokbg0240.nsf/AllWeb/01FB0F22974EA50FC125715E002B2143?OpenDocument
                            name:  Kongsberg EM122 information
                            description:  Information on the Kongsberg EM122 multibeam sonar system
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
            identifier:  (MD_Identifier)
                code:  Kongsberg EM122
            type:  Multibeam Echosounder
            description:  EM 122 multibeam echosounder is a high performance echosounder for deep water mapping with up to 288 simultaneous beams. The EM 122 is designed to perform seabed mapping to full ocean depth with an unsurpassed resolution, coverage and accuracy. The system is cost effective, reliable, and easily operated. The design of the EM 122 is based on more than 50 years of hydrographic experience with echo sounders, sonars and underwater positioning for civilian and military use. It is the latest model in a series of deep sea multibeam echo sounders started with the EM 12 in 1990 and followed by the EM 121 and the EM 120, of which about 40 systems are operational. It uses the same transducers as in the EM 120 but with new electronics and software. Compared with the EM 120 the EM 122 has up to four times the resolution in terms of sounding density through inclusion of multiping capability and more than twice the number of detections per swath. High density signal processing is a major improvement, to keep the acoustic footprint size small even for the outer beams in the swath. In typical ocean depths a sounding spacing of about 50 m across and along is achievable. The achievable swath width of the EM 122 is in the order of 30,000 m, or about 25% more than possible with the EM 120. This is obtained by using long FM chirps which gains about 15 dB in signal to noise ratio compared to CW pulses. The EM 122 is a complete system. All necessary sensor interfaces, data displays for quality control and sensor calibration, seabed visualization, and data logging are a standard part of the system, as is integrated seabed acoustical imaging capability (side scan). Including a higher frequency multibeam echo sounder such as EM 710 with the EM 122 system can give a total system solution meeting the strictest IHO requirements for all water depths. As proven with the EM 120, an accuracy of better than 0.2% of depth in deep waters is readily achievable with the EM 122.
        operation:  (MI_Operation)
            identifier:  (MD_Identifier)
                code:  HLY1102_EM122
            status:  (MD_ProgressCode) completed
            parentOperation: (inapplicable)
        platform:  (MI_Platform)
            citation:  (CI_Citation)
                title:  USCGC HEALY (WAGB-20)
                date: (inapplicable)
            identifier:  (MD_Identifier)
                code:  Healy (HLY)
            description:  The Coast Guard Cutter HEALY (WAGB - 20) is United States' newest and most technologically advanced polar icebreaker. HEALY is designed to conduct a wide range of research activities, providing more than 4,200 square feet of scientific laboratory space, numerous electronic sensor systems, oceanographic winches, and accommodations for up to 50 scientists. HEALY is designed to break 4 ½ feet of ice continuously at three knots and can operate in temperatures as low as -50 degrees F. The science community provided invaluable input on lab lay-outs and science capabilities during design and construction of the ship. At a time when scientific interest in the Arctic Ocean basin is intensifying, HEALY substantially enhances the United States Arctic research capability. As a Coast Guard cutter, HEALY is also a capable platform for supporting other potential missions in the polar regions, including logistics, search and rescue, ship escort, environmental protection, and enforcement of laws and treaties.
            instrument:  (MI_Instrument)
                citation:  (CI_Citation)
                    title:  Kongsberg EM122 Multibeam Echosounder
                    date: (unknown)
                    identifier:  (MD_Identifier)
                        code:  EM122
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Kongsberg Maritime
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://www.km.kongsberg.com/ks/web/nokbg0240.nsf/AllWeb/01FB0F22974EA50FC125715E002B2143?OpenDocument
                                name:  Kongsberg EM122 information
                                description:  Information on the Kongsberg EM122 multibeam sonar system
                                function:  (CI_OnLineFunctionCode) information
                        role:  (CI_RoleCode) resourceProvider
                identifier:  (MD_Identifier)
                    code:  Kongsberg EM122
                type:  Multibeam Echosounder
                description:  EM 122 multibeam echosounder is a high performance echosounder for deep water mapping with up to 288 simultaneous beams. The EM 122 is designed to perform seabed mapping to full ocean depth with an unsurpassed resolution, coverage and accuracy. The system is cost effective, reliable, and easily operated. The design of the EM 122 is based on more than 50 years of hydrographic experience with echo sounders, sonars and underwater positioning for civilian and military use. It is the latest model in a series of deep sea multibeam echo sounders started with the EM 12 in 1990 and followed by the EM 121 and the EM 120, of which about 40 systems are operational. It uses the same transducers as in the EM 120 but with new electronics and software. Compared with the EM 120 the EM 122 has up to four times the resolution in terms of sounding density through inclusion of multiping capability and more than twice the number of detections per swath. High density signal processing is a major improvement, to keep the acoustic footprint size small even for the outer beams in the swath. In typical ocean depths a sounding spacing of about 50 m across and along is achievable. The achievable swath width of the EM 122 is in the order of 30,000 m, or about 25% more than possible with the EM 120. This is obtained by using long FM chirps which gains about 15 dB in signal to noise ratio compared to CW pulses. The EM 122 is a complete system. All necessary sensor interfaces, data displays for quality control and sensor calibration, seabed visualization, and data logging are a standard part of the system, as is integrated seabed acoustical imaging capability (side scan). Including a higher frequency multibeam echo sounder such as EM 710 with the EM 122 system can give a total system solution meeting the strictest IHO requirements for all water depths. As proven with the EM 120, an accuracy of better than 0.2% of depth in deep waters is readily achievable with the EM 122.
            instrument:  (MI_Instrument)
                citation:  (CI_Citation)
                    title:  Knudsen CHIRP 3260
                    date: (unknown)
                    identifier:  (MD_Identifier)
                        code:  CHIRP 3260
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Knudsen Engineering Limited
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://knudseneng.com/products/chirp_3260
                                name:  Chirp 3260 Echosounder
                                description:  Chirp 3260 Echosounder information
                                function:  (CI_OnLineFunctionCode) information
                        role:  (CI_RoleCode) resourceProvider
                identifier:  (MD_Identifier)
                    code:  Knudsen CHIRP 3260
                type:  Echosounder
                description:  The Chirp 3260 is designed for full ocean depth work where high transmit output power is a requirement. The Chirp 3260's 5U rackmount case can be fitted with up to six 2kW transmitter modules to output up to 12kW of total system power. The most common arrangement used by the research community worldwide is one 3.5 kHz channel configured for 10KW paired together with a 2KW, 12 kHz channel.
            instrument:  (MI_Instrument)
                citation:  (CI_Citation)
                    title:  Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter
                    date: (unknown)
                    identifier:  (MD_Identifier)
                        code:  Sippican XBT/XSV
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Lockheed Martin Sippican, Inc.
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: https://www.lockheedmartin.com/content/dam/lockheed/data/ms2/documents/ocean/20050054_XBT_XSV_reader_page.pdf
                                name:  Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter
                                description:  Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter information
                                function:  (CI_OnLineFunctionCode) information
                        role:  (CI_RoleCode) resourceProvider
                identifier:  (MD_Identifier)
                    code:  Sippican XBT/XSV
                type:  Temperature, Depth, Sound Velocity
                description:  The Expendable Bathythermograph is used by scientists to provide an ocean temperature versus depth profile. Useful for oceanographic research, the XBT does not restrict ship mobility. The Expendable Sound Velocimeter obtains accurate sound velocity profiles for the support of ASW operations, mine countermeasure operations, and oceanographic research.
            instrument:  (MI_Instrument)
                citation:  (CI_Citation)
                    title:  Sea-Bird Electronics 911plus CTD
                    date: (unknown)
                    identifier:  (MD_Identifier)
                        code:  SBE 911plus CTD
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Sea-Bird Electronics, Inc.
                        contactInfo:  (CI_Contact)
                            phone:  (CI_Telephone)
                                voice:  425-643-9866
                                facsimile:  425-643-9954
                            address:  (CI_Address)
                                deliveryPoint:  13431 NE 20th Street
                                city:  Bellevue
                                administrativeArea:  WA
                                postalCode:  98005
                                country:  USA
                                electronicMailAddress:  seabird@seabird.com
                            onlineResource:  (CI_OnlineResource)
                                linkage: https://www.ncei.noaa.gov/waf/OER-Media/EXCTD/EX_CTD_Junction_Connector_Configuration_and_Voltage_Channel_Setup-2020_Field_Season-OER_%20NCEI_Version.pdf
                                name:  SBE 911plus CTD
                                description:  SBE 911plus CTD information
                                function:  (CI_OnLineFunctionCode) information
                        role:  (CI_RoleCode) resourceProvider
                identifier:  (MD_Identifier)
                    code:  SBE 911plus CTD
                type:  Conductivity, Temperature
                description:  The 911plus, consisting of the 9plus underwater CTD and 11plus V2 Deck Unit, is a premium real-time CTD accurate to the highest international standards. It features high resolution sampling (24 Hz), pump-controlled T-C ducted flow, up to 10500 meter (15,000 psia) depth capability, maximum auxiliary sensor flexibility, and modem channel for Water Sampler control. The 911plus has eight 12-bit A/D channels, and supports redundant conductivity and temperature sensors or custom auxiliary digital inputs.
            instrument:  (MI_Instrument)
                citation:  (CI_Citation)
                    title:  Applanix POS/MV 320
                    date: (unknown)
                    identifier:  (MD_Identifier)
                        code:  POS/MV 320
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Applanix Corporation
                        contactInfo:  (CI_Contact)
                            phone:  (CI_Telephone)
                                voice:  289-695-6000
                                facsimile:  905-709-6027
                            address:  (CI_Address)
                                deliveryPoint:  85 Leek Crescent
                                city:  Richmond Hill
                                administrativeArea:  Ontario
                                postalCode:  L4B3B3
                                country:  Canada
                                electronicMailAddress:  marine@applanix.com
                        role:  (CI_RoleCode) resourceProvider
                identifier:  (MD_Identifier)
                    code:  POS/MV 320
                type:  Attitude, Heading, Heave, Position, Velocity
                description:  POS MV 320 is a tightly-coupled systems using Applanix' unique approach to Inertially-Aided Real-Time Kinematic (IARTK) technology. The user-friendly, turnkey system provides accurate attitude, heading, heave, position, and velocity data, representing the latest in state-of-the-art inertial/GPS technology. The system maintains positioning accuracy under the most demanding conditions, regardless of vessel dynamics..