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EM122 Water Column Sonar Data Collected During RB1008


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    dateStamp:  2020-12-30
    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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        citation:  (CI_Citation)
            title:  EM122 Water Column Sonar Data Collected During RB1008
            date:  (CI_Date)
                date:  2010-11-13
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                date:  2014-06-02
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                    title:  NOAA National Centers for Environmental Information
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                code:  RB1008_EM122
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                  Anchor:  DOI doi:10.25921/w6th-ba50
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            keyword:  Earth Science > Oceans > Ocean Acoustics > Acoustic Scattering
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            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
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                    date:  2020-01-09
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                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
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            keyword:  North Atlantic Ocean
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            keyword:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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            keyword:  In Situ/Laboratory Instruments > Profilers/Sounders > Acoustic Sounders > WCMS > Water Column Mapping System
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            otherConstraints:  Cite as: NOAA's Atlantic Oceanographic and Meteorological Laboratory. 2010. 'EM122 Water Column Sonar Data Collected During RB1008'. NOAA National Centers for Environmental Information. https://doi.org/10.25921/w6th-ba50 [access date]
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            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.
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            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.
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            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.
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            otherConstraints:  Resource may not be available for up to one year after initial collection.
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            aggregateDataSetIdentifier:  (MD_Identifier)
                code:  RB1008
            associationType:  (DS_AssociationTypeCode) largerWorkCitation
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        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) oceans
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                northBoundLatitude:  30.744548
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                  TimePeriod:
                    beginPosition:  2010-11-13T02:01:47
                    endPosition:  2010-11-22T04:31:14
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                organisationName:  NOAA National Centers for Environmental Information
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                fees:  Free
                orderingInstructions:  Contact the NCEI Water Column Sonar Data Manager to order data.
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                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.
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                    linkage: https://www.ngdc.noaa.gov/maps/water_column_sonar/index.html?surveys=RB1008&instruments=EM122
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                    name:  Water Column Sonar Data Map Viewer
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                    linkage: https://www.ngdc.noaa.gov/mgg/wcd/
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                    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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            levelDescription:  (MD_ScopeDescription)
                other:  Instrument calibration information
        lineage:  (LI_Lineage)
            statement:  Unknown
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                description:  Raw unprocessed data files
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                  DateTime:  2010-11-13T02:01:47
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                    individualName:  Dr. Molly O. Baringer
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                            city:  Miami
                            administrativeArea:  Florida
                            postalCode:  33149
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            citation:  (CI_Citation)
                title:  Kongsberg EM122 Multibeam Echosounder
                date: (unknown)
                identifier:  (MD_Identifier)
                    code:  EM122
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Kongsberg Maritime
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                            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
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                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:  RB1008_EM122
            status:  (MD_ProgressCode) completed
            parentOperation: (inapplicable)
        platform:  (MI_Platform)
            citation:  (CI_Citation)
                title:  NOAA Ship Ronald H Brown
                alternateTitle:  Ron Brown
                alternateTitle:  Ronald H Brown
                alternateTitle:  RHB
                date:  (CI_Date)
                    date:  2012-01-18
                    dateType:  (CI_DateTypeCode) creation
            identifier:  (MD_Identifier)
                code:  Ronald Brown (RB)
            description:  At 274 ft and displacing more than 3,200 tons, the NOAA Ship Ronald H. Brown is the flagship of the NOAA fleet. Named in memory of a former the U.S. Department of Commerce Secretary who perished in a plane crash in 1996, the ship is a state-of-the-art oceanographic and atmospheric research platform. The Ron Brown, as it is commonly and fondly known, is equipped with an array of advanced instruments and sensors. From its home port in Charleston, South Carolina, the ship has sailed the Atlantic, Pacific, and Indian Oceans, conducting scientific studies to increase our understanding of the world's marine environment. The Ron Brown carries a complement of 5 NOAA Corps officers, 20 crew members, and can accommodate up to 33 scientists. The crew's primary responsibilities involve day-to-day operations. This includes routine data collection and management tasks related to the ship's mission as a scientific research platform.
            sponsor:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/OMAO/MOC-A > Marine Operations Center - Atlantic, NOAA Marine Operations, NOAA Office of Marine and Aviation Operations, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        facsimile:  757-441-6495
                    address:  (CI_Address)
                        deliveryPoint:  NOAA/OMAO/MOC-A
                        deliveryPoint:  439 West York Street
                        city:  Norfolk
                        administrativeArea:  VA
                        postalCode:  23510-1145
                        country:  USA
                        electronicMailAddress:  David.A.Score@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://www.omao.noaa.gov/omao/marine-operations-center-atlantic-moc
                        name:  Marine Operations Center - Atlantic
                        description:  NOAA Marine Operations Center-Atlantic (MOC-A) serves as a homeport for one NOAA survey ship and provides administrative, engineering, maintenance and logistical support to NOAA's Atlantic fleet.
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) pointOfContact
            instrument:  (MI_Instrument)
                citation:  (CI_Citation)
                    title:  C-Band Doppler Radar
                    date: (unknown)
                    identifier:  (MD_Identifier)
                        code:  C-Band
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        individualName:  Dr. Larry Davis
                        organisationName:  Radtec Engineering, Inc.
                        contactInfo:  (CI_Contact)
                            phone:  (CI_Telephone)
                                voice:  303-438-8745
                                facsimile:  303-438-8820
                            address:  (CI_Address)
                                deliveryPoint:  2150 West 6th Avenue
                                city:  Broomfield
                                administrativeArea:  CO
                                postalCode:  80020
                                country:  USA
                                electronicMailAddress:  larry@radar-sales.com
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://radar-sales.com/systems-rdr.html
                        role:  (CI_RoleCode) resourceProvider
                identifier:  (MD_Identifier)
                    code:  RDR Doppler Weather Radar Systems C-Band
                type:  C-Band Doppler Radar
                description:  Coaxial magnetron, solid state IGBT modulator, and integrated low noise receiver front end, provision for future capabilities such dual polarity operation.
            instrument:  (MI_Instrument)
                citation:  (CI_Citation)
                    title:  SeaBeam 2112 Multibeam Echosounder
                    alternateTitle:  Sea Beam 2112
                    date: (unknown)
                    identifier:  (MD_Identifier)
                        code:  SB2112
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  L-3 ELAC Nautik
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://www.elac-nautik.de/contact-contact/highlite-contact/322fa9862948e6f0530dcae7c7e8df7f/
                        role:  (CI_RoleCode) resourceProvider
                identifier:  (MD_Identifier)
                    code:  SeaBeam 2112
                type:  Multibeam Echosounder
                description:  Seabeam 2112 (12 Khz) swath bathymetric sonar system. The system, originally used for high accuracy (Seabeam Classic) charting of the U.S. Exclusive Economic Zone (EEZ), is capable of hydrographic charting and seafloor acoustic backscatter imaging in water depths of 50 to 11,000 meters with up to 151 beams. Swath coverage (75 percent of water depth) varies as a function of depth, from 150 degrees at 1,000 meters, to 120 degrees at 5,000 meters, and 90 degrees at 11,000 meters, with a resolution of two degrees. The system regularly operates in 4000+ meters of water but is effective in shallower applications (less than 500m).