Chirp subbottom profiler data collected in Pamlico Sound on cruise RVRiggs_07_29_2013 of RV Riggs for the Coastal Hydrodynamics and Natural Geologic Evolution (CHaNGE) project


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            title:  Chirp subbottom profiler data collected in Pamlico Sound on cruise RVRiggs_07_29_2013 of RV Riggs for the Coastal Hydrodynamics and Natural Geologic Evolution (CHaNGE) project
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                date:  2013-07-29
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                  Anchor:  DOI doi:10.7289/V54X55VT
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                organisationName:  East Carolina University, Department of Geological Sciences
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                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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        abstract:  Edgetech 216 chirp data (SEG-Y format) collected for the Coastal Hydrodynamics and Natural Geologic Evolution (CHaNGE) project, OCE-1130843. Survey area covers portions of Pamlico Sound, NC.
        purpose:  Purpose of survey was to define the seismic stratigraphic framework of the Holocene section within Pamlico Sound, and correlate geophysical data to core data to understand the Holocene evolution of this major estuary.
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            keyword:  Earth Science > Oceans > Marine Geophysics > Plate Tectonics
            keyword:  Earth Science > Oceans > Ocean Acoustics > Acoustic Reflectivity
            keyword:  Earth Science > Oceans > Ocean Acoustics > Acoustic Velocity
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            keyword:  CHaNGE > Coastal Hydrodynamic and Natural Geological Evolution
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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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            useLimitation:  Not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For navigation, please refer to the NOS nautical chart series.
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                title:  Coastal Hydrodynamics and Natural Geologic Evolution (CHaNGE) Project
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                    date:  2011-01-09
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                    code:  NSF OCE-1130843
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                            linkage: http://www2.ecu.edu/geol/CHaNGE/
                            name:  About the CHaNGE project.
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        language:  eng
        topicCategory:  (MD_TopicCategoryCode) oceans
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                westBoundLongitude:  35.77
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                extent:
                  TimePeriod:
                    beginPosition:  2013-07-29
                    endPosition:  2013-07-31
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            name:  SEG-Y
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                name:  Request Trackline Data
                description:  Download seismic data from this cruise.
                function:  (CI_OnLineFunctionCode) download
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            nameOfMeasure:  Horizontal Positional Accuracy Report
            evaluationMethodDescription:  Horizontal positioning of the vessel was determined using Differential-aided DGPS integrated into a POS/MV model 320 version 4 system. Positioning is accurate to better than 0.5 meters (at 95% confidence) during all surveying. All positioning is referenced to the WGS84 Datum.
            result: (missing)
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            nameOfMeasure:  Vertical Positional Accuracy Report
            evaluationMethodDescription:  Edgetech SB-216S chirp was towed at 1 m water depth.
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                description:  RAW data, not processed
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                title:  Edgetech SB-216S CHIRP
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                    organisationName:  EdgeTech
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                            deliveryPoint:  4 Little Brook Road
                            city:  West Wareham, Massachusetts
                            postalCode:  02576
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                code:  Edgetech SB-216S
            type:  Echosounder
            description:  A 3100 system comes with a choice of two towfish; either the SB-424 or SB-216S. These towfish operate at different frequency ranges and selection between the two depends on the type of application. The 424 operates at 4-24 kHz and will provide slightly higher resolution but less penetration. The 216S operates at 2-16 kHz and provides slightly less resolution but greater penetration. Along with a towfish, the 3100 system comes with a portable splash-proof topside processor with laptop computer running EdgeTech???s DISCOVER software for display of the sonar data. The system comes standard with a 35m tow cable with customer-specified lengths also available.
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                code:  RVRiggs_07_29_2013
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                title:  R/V Stanley R. Riggs
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                code:  RV Riggs
            description:  R/V Riggs is a Munson (ECU Class D) research ship operated by East Carolina University. It is powered by 2 Volvo diesel engines and carries up to 15 passengers and crew.
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                organisationName:  East Carolina University
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