ADCP, CTD, and continuous data from the Multiple Instrument Data Acquisition System (MIDAS) collected in the Southeast of the Mississippi River Delta aboard R/V Pelican from 2012-11-28 to 2012-12-19 (NCEI Accession 0172043)
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title: ADCP, CTD, and continuous data from the Multiple Instrument Data Acquisition System (MIDAS) collected in the Southeast of the Mississippi River Delta aboard R/V Pelican from 2012-11-28 to 2012-12-19 (NCEI Accession 0172043)
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abstract: This dataset contains shipboard Acoustic Doppler Current Profiles (ADCP) data from a 75khz profiler, vertical profiles of measurements made from a CTD/Rosette system and continuous data from the Multiple Instrument Data Acquisition System (MIDAS). These ancillary data gives additional information about the physical state of the ocean during the Gulf of Mexico Integrated Spill Response Consortium (GISR) G03 cruise aboard R/V Pelican held from November 28 to December 20, 2012.
purpose: This dataset is available to the public for a wide variety of uses including scientific research and analysis.
credit: Funding Agency: Gulf of Mexico Research Initiative (GoMRI)
credit: Funding Agency: Gulf of Mexico Research Initiative Information & Data Cooperative (GRIIDC)
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Anchor: https://gcmd.earthdata.nasa.gov/kms/concept/75fab119-51a6-4b59-9711-f6c3cd3139db OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO
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name: GCMD Keyword Forum Page
description: Global Change Master Directory (GCMD). 2024. GCMD Keywords, Version 20. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
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keyword: Southeast of the Mississippi River Delta
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title: Provider Place Names
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descriptiveKeywords: (MD_Keywords)
keyword: B49PCY
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otherConstraints: Cite as: Ledwell, James (2018). ADCP, CTD, and continuous data from the Multiple Instrument Data Acquisition System (MIDAS) collected in the Southeast of the Mississippi River Delta aboard R/V Pelican from 2012-11-28 to 2012-12-19 (NCEI Accession 0172043). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0172043. Accessed [date].
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useLimitation: 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)
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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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title: Ledwell, James. (2013). Hydrographic and chemical measurements from the GISR: G03 Tracer Sampling Survey Southeast of the Mississippi River Delta in Nov-Dec 2012. [Data set]. Harte Research Institute. https://doi.org/10.7266/n75x26vq
date: (CI_Date)
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organisationName: Ledwell, James
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title: Ledwell, James. (2013). Shipboard ADCP measurements from the GISR: G03 Tracer Sampling Survey Southeast of the Mississippi River Delta in Nov-Dec 2012. [Data set]. Harte Research Institute. https://doi.org/10.7266/n7sx6b6z
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title: Ledwell, James. (2013). Near-surface oceanographic and meteorological measurements from the GISR: G03 Tracer Sampling Survey Southeast of the Mississippi River Delta in Nov-Dec 2012. [Data set]. Harte Research Institute. https://doi.org/10.7266/n7x63jxq
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title: Ledwell, J. R., He, R., Xue, Z., DiMarco, S. F., Spencer, L. J., & Chapman, P. (2016). Dispersion of a tracer in the deep Gulf of Mexico. Journal of Geophysical Research: Oceans, 121(2), 1110–1132. https://doi.org/10.1002/2015jc011405
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date: 2016-02
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code: https://doi.org/10.1002/2015jc011405
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individualName: Ledwell, James R.
organisationName: Woods Hole Oceanographic Institution Woods Hole Massachusetts USA
role: (CI_RoleCode) author
citedResponsibleParty: (CI_ResponsibleParty)
individualName: He, Ruoying
organisationName: Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University Raleigh North Carolina USA
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individualName: Xue, Zuo
organisationName: College of the Coast and Environment, Louisiana State University Baton Rouge Louisiana USA
role: (CI_RoleCode) author
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individualName: DiMarco, Steven F.
organisationName: Department of Oceanography, Texas A&M University College Station Texas USA
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individualName: Spencer, Laura J.
organisationName: Department of Oceanography, Texas A&M University College Station Texas USA
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individualName: Chapman, Piers
organisationName: Department of Oceanography, Texas A&M University College Station Texas USA
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name: JGR Oceans
issueIdentification: 121(2)
otherCitationDetails: ISSN 2169-9275, ISSN 2169-9291, pp. 1110-1132
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LanguageCode: eng; USA
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topicCategory: (MD_TopicCategoryCode) environment
topicCategory: (MD_TopicCategoryCode) oceans
topicCategory: (MD_TopicCategoryCode) climatologyMeteorologyAtmosphere
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westBoundLongitude: -94.0863
eastBoundLongitude: -87.2228
southBoundLatitude: 25.7961
northBoundLatitude: 28.9733
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 2012-11-28
endPosition: 2012-12-19
supplementalInformation: Data Parameters and Units: Depth (m), Integral tracer concentration (nmol m^-2), Atmospheric Pressure (db), Water Temperature (deg-C), Air Temperature ((deg-C), Conductivity (S/m), Salinity (PSU), Beam Transmission (%), Fluorescence (ug/l), Oxygen (ml/l), PAR Irradiance (μEinsteins/m2.sec), Relative Humidity (%), Wind Speed (Knots), Wind Direction (Deg-True)
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distributionInfo: (MD_Distribution)
distributor: (MD_Distributor)
distributorContact: (CI_ResponsibleParty)
organisationName:
Anchor: https://ror.org/04r0wrp59 NOAA National Centers for Environmental Information
contactInfo: (CI_Contact)
phone: (CI_Telephone)
voice: +1-301-713-3277
address: (CI_Address)
electronicMailAddress: ncei.info@noaa.gov
role: (CI_RoleCode) pointOfContact
distributionOrderProcess: (MD_StandardOrderProcess)
fees: In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
orderingInstructions: Contact NCEI for other distribution options and instructions.
distributorFormat: (MD_Format)
name: netCDF
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name: Originator data format
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onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/0172043
protocol: HTTPS
applicationProfile: Web browser
name: NCEI Dataset Landing Page
description: Navigate directly to the URL for a descriptive web page with download links.
function: (CI_OnLineFunctionCode) information
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/oas/172043
protocol: HTTPS
applicationProfile: Web browser
name: Descriptive Information
description: Navigate directly to the URL for a descriptive web page with download links.
function: (CI_OnLineFunctionCode) information
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/download/172043
protocol: HTTPS
applicationProfile: Web browser
name: HTTPS
description: Navigate directly to the URL for data access and direct download.
function: (CI_OnLineFunctionCode) download
onLine: (CI_OnlineResource)
linkage: ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0122/0172043/
protocol: FTP
applicationProfile: Any FTP client
name: FTP
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 0172043 v1.1 was published.
dateTime:
DateTime: 2018-08-02T22:52:44Z
output: (LE_Source)
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title: NCEI Accession 0172043 v1.1
date: (CI_Date)
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individualName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/0172043/1.1
protocol: HTTPS
name: NCEI Accession 0172043 v1.1
description: published 2018-08-02T22:52:44Z
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: NCEI accession 0156587 was superseded by this accession.
rationale: NCEI accession 0156587 has been superseded by this accession. Please use and refer to this accession instead of NCEI accession 0156587.
dateTime:
DateTime: 2022-11-16T15:58:44Z
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title: NCEI Accession 0156587
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protocol: HTTPS
name: NCEI Accession 0156587
description: published 2022-11-16T15:58:44Z
function: (CI_OnLineFunctionCode) information
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: EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE (measured); Units: db; Observation Category: in situ; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > HUMIDITY > RELATIVE HUMIDITY (measured); Units: %; Observation Category: in situ; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS > WIND SPEED (measured); Units: knot; Observation Category: underway; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS > WIND DIRECTION (measured); Units: Deg-True; Observation Category: in situ; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE TEMPERATURE > AIR TEMPERATURE (measured); Units: degrees Celsius; Observation Category: continuous; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > SALINITY/DENSITY > CONDUCTIVITY (measured); Units: S/m; Observation Category: profile; Sampling Instrument: In Situ/Laboratory Instruments > Profilers/Sounders > CTD > Conductivity, Temperature, Depth.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE (measured); Units: degrees Celsius; Observation Category: profile; Sampling Instrument: In Situ/Laboratory Instruments > Profilers/Sounders > CTD > Conductivity, Temperature, Depth.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY (measured); Units: psu; Observation Category: profile; Sampling Instrument: In Situ/Laboratory Instruments > Profilers/Sounders > CTD > Conductivity, Temperature, Depth.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > OCEAN OPTICS > FLUORESCENCE (measured); Units: ug/l; Observation Category: continuous; Sampling Instrument: In Situ/Laboratory Instruments > Chemical Meters/Analyzers > FLUOROMETERS.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN (measured); Units: ml/l; Observation Category: in situ; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > OCEAN OPTICS > PHOTOSYNTHETICALLY ACTIVE RADIATION (measured); Units: n/a; Observation Category: in situ; Sampling Instrument: PAR Sensor.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL (measured); Units: n/a; Observation Category: in situ; Sampling Instrument: Niskin Bottle.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > ACOUSTIC VELOCITY (measured); Units: n/a; Observation Category: current measurements; Sampling Instrument: In Situ/Laboratory Instruments > Profilers/Sounders > Acoustic Sounder > ADCP > Acoustic Doppler Current Profiler.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > OCEAN OPTICS > ATTENUATION/TRANSMISSION (measured); Units: n/a; Observation Category: in situ; Sampling Instrument: Earth Remote Sensing Instruments > Passive Remote Sensing > Photon/Optical Detectors > TRANSMISSOMETERS.
processStep: (LE_ProcessStep)
description: Parameter or Variable: EARTH SCIENCE > OCEANS > OCEAN OPTICS > IRRADIANCE (measured); Units: PAR Irradiance μEinsteins/m2.sec; Observation Category: in situ; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Depth (measured); Units: meter; Observation Category: in situ; Sampling Instrument: In Situ/Laboratory Instruments > Pressure/Height Meters > PRESSURE SENSORS.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Integral tracer concentration (measured); Units: nmol m^-2; Observation Category: in situ; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Sea water temperature (measured); Units: degrees Celsius; Observation Category: profile; Sampling Instrument: In Situ/Laboratory Instruments > Profilers/Sounders > CTD > Conductivity, Temperature, Depth.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Air pressure (measured); Units: n/a; Observation Category: in situ; Sampling Instrument: Pressure Sensor.
processStep: (LE_ProcessStep)
description: Parameter or Variable: AIR TEMPERATURE (measured); Units: degrees Celsius; Observation Category: in situ; Sampling Instrument: n/a.
processStep: (LE_ProcessStep)
description: Parameter or Variable: PAR Irradiance (measured); Units: μEinsteins/m2.sec; Observation Category: in situ; Sampling Instrument: In Situ/Laboratory Instruments > Photon/Optical Detectors > PAR SENSORS > Photosynthetically Active Radiation Sensors.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Beam Transmission (measured); Units: %; Observation Category: in situ; Sampling Instrument: C-Star Transmissometer.
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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: ADCP
type: ADCP
description: Acoustic Doppler Current Profiler The Acoustic Doppler Current Profiler (ADCP) measures currents beneath a ship while underway. Sound signals sent from the moving ship bounce back to receivers aboard the ship. This provides a profile of water movement relative to the ship-precise modern navigation, allowing the ship's motion to be subtracted from the data. These devices are also used on moorings and profilers and, along with acoustic backscattering, measure animal biomass. Particles in the path of the sound waves, mostly plankton, reflect a small part of the sound energy back toward receivers, allowing researchers to make remote estimates of the sizes and numbers of animals present in the water column. Before the 1970's, the most technologically advanced instrument used to measure water velocity was known as a Doppler speed log. This evolved into the first commercial ADCP, produced in the mid-1970's, which used averaging. Later in the 1970's, the first vessel-mounted ADCP was developed to measure water velocity more accurately and to allow measurement in range cells over a depth profile. As instruments evolved, so did new techniques in Doppler signal processing. Initially, Doppler speed logs used simple analog signal processing methods, which are still used in some commercial speed logs today. However, the first ADCPs incorporated analog-to-digital signal conversion over a narrow communication bandwidth. Around 1990, this technique was developed into broadband signal processing. Since then, broadband ADCPs have been able to generate very accurate, real-time velocity measurements.
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: CTD
type: CTD
description: Conductivity-Temperature-Depth probe
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: fluorometer
type: fluorometer
description: fluorometer
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: Niskin bottle
type: Niskin bottle
description: Device for obtaining samples of seawater at a specific depth Why special entry for Niskin bottle but no entry for Nansen bottle?
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: PAR Sensor
type: PAR Sensor
description: Photosynthetically Active Radiation Sensor The PAR sensor measures global solar radiation from 400 to 700 nm, which approximates the spectral band active in photosynthesis. The response of the instrument falls sharply to zero on either side of this band, and between 400 and 670 nm it increases monotonically from about 50% to 100%. There is no protective glass dome over the receiving surface. Irradiance from the sun passes through a small white visible bandpass filter/diffuser in the shape of a horizontal disk at the top of the instrument. Within the instrument radiation is directed through a series of colored glass filters and onto a silicon photodiode detector. The factory-supplied calibration converts the signal from the detector to a flux of photons in micro-mole (of photons) s-1 m-2. (One micro-mole equals 6.022 E17 photons.) For the solar spectrum, these units may be converted to watts per square meter by dividing by 4.6. (http://www.srrb.noaa.gov/instrument/par.htm)
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: pressure sensor
type: pressure sensor
description: GCMD instruments - In Situ/Laboratory Instruments > Pressure/Height Meters > PRESSURE SENSORS ASFA Thesaurus - pressure sensors http://www4.fao.org/asfa/asfa.htm
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: transmissometer
type: transmissometer
description: transmissometer Instrument used to measure transmissivity in NODC File Alias F022.
platform: (MI_Platform)
identifier: (MD_Identifier)
code: R/V Pelican
description: Flag: United States Title: R/V Vessel Type: Research Survey IMO: 8517009 DOB: 198505 Institution: LUMCON/UNOLS
instrument: (missing)
