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NOAA Climate Data Record (CDR) of AVHRR Surface Reflectance, Version 4 (Version Superseded)


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    dateStamp:  2023-09-18
    metadataStandardName:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
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        citation:  (CI_Citation)
            title:  NOAA Climate Data Record (CDR) of AVHRR Surface Reflectance, Version 4 (Version Superseded)
            alternateTitle:  AVHRR Surface Reflectance
            date:  (CI_Date)
                date:  2014-05-21
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            edition:  Version 4.0
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                  Anchor:  DOI doi:10.7289/V5TM782M
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                  Anchor:  Web of Science ResearcherID Vermote, Eric
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        abstract:  *Note: This dataset version has been superseded by a newer version. It is highly recommended that users access the current version. Users should only use this version for special cases, such as reproducing studies that used this version.* This dataset contains gridded daily surface reflectance and brightness temperatures derived from the Advanced Very High Resolution Radiometer (AVHRR) sensors onboard eight NOAA polar orbiting satellites: NOAA-7, -9, -11, -14, -16, -17, -18 and -19. Surface reflectance from AVHRR channels 1 and 2 (at 640 and 860 nm) are a NOAA Climate Data Record (CDR). The dataset spans from 1981 to 10 days before the present, and was processed from the AVHRR Global Area Coverage (GAC) Level 1b dataset. AVHRR GAC observations are packaged into data arrays with latitude and longitude dimensions of 3600 x 7200 covering the globe at 0.05 degree spatial resolution. This dataset is one of the Land Surface CDR products produced by the NASA Goddard Space Flight Center (GSFC) and the University of Maryland (UMD). Other Land Surface CDR products include the Normalized Difference Vegetation Index (NDVI), Leaf Area Index (LAI) and Fraction of Absorbed Photosynthetically Active Radiation (FAPAR). Improvements made for Version 4 include 1) additional data from NOAA satellites extending the time period, 2) improved geolocation accuracy from use of OLE instead of TLE, 3) center of the grid is used as the reference, and 4) data value of a grid cell is computed as an average of available good observations. The dataset is in the netCDF-4 file format following ACDD and CF Conventions. The dataset is accompanied by algorithm documentation, data flow diagram and source code for the NOAA CDR Program.
        purpose:  This dataset provides scientific researchers a high quality Climate Data Record (CDR) of land surface reflectance. Surface Reflectance provides a measure of the fraction of incoming solar radiation that is reflected from Earth's surface in two spectral ranges of the Advanced Very High Resolution Radiometer (AVHRR) sensors: red (around 640 nm) and the near infrared (around 860 nm). As a key variable, Surface Reflectance supplies the primary input for essentially all higher-level land surface geophysical parameters. The Surface Reflectance CDR delivers valuable surface information dating back to 1981 as a daily product on a 0.05 degree by 0.05 degree grid.
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            organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
            positionName:  NOAA Climate Data Record Program Office
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                    voice:  1-828-271-4800
                    facsimile:  1-828-271-4328
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                    deliveryPoint:  151 Patton Avenue
                    deliveryPoint:  Veach-Baley Federal Building, Room 447
                    city:  Asheville
                    administrativeArea:  NC
                    postalCode:  28801-5001
                    country:  USA
                    electronicMailAddress:  land_sfc_bundle_contacts@noaa.gov
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                    name:  CDR Program Contacts
                    description:  Contact information for the CDR Program.
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            keyword:  Earth Science > Land Surface > Surface Radiative Properties > Reflectance
            keyword:  Earth Science > Spectral/Engineering > Infrared Wavelengths > Brightness Temperature
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                    organisationName:  Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA)
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                            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) publisher
        resourceConstraints:  (MD_Constraints)
            useLimitation:  *Note: This dataset version has been superseded by a newer version. It is highly recommended that users access the current version. Users should only use this version for special cases, such as reproducing studies that used this version.*
        resourceConstraints:  (MD_Constraints)
            useLimitation:  Data for some days in the CDR series may be missing for one or more of the following reasons: 1) input GAC data was not available, 2) the data day was found to contain significant geolocation residual error, or 3) noisy input data.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  The time variable in the data files has values that are too large by one (1) day. See the Technical Note.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  See the Algorithm Theoretical Basis Document (ATBD) for a description of this dataset's use limitations.
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: Vermote, Eric; Justice, Chris; Csiszar, Ivan; Eidenshink, Jeff; Myneni, Ranga B.; Baret, Frederic; Masuoka, Ed; Wolfe, Robert E.; Claverie, Martin; NOAA CDR Program. (2014): NOAA Climate Data Record (CDR) of AVHRR Surface Reflectance, Version 4. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V5TM782M. Accessed [date].
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  See the Use Agreement for this dataset available on the CDR page.
        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.
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  NCEI Dataset Landing Page for the Current Version
                date: (missing)
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://doi.org/10.7289/V53776Z4
                            applicationProfile:  Landing Page
                            name:  NCEI Dataset Landing Page for the Current Version
                            description:  Landing page for the Current Version.
                            function:  (CI_OnLineFunctionCode) information
                    role: (missing)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) collection
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  Data Stewardship Maturity Report for NOAA Climate Data Record (CDR) of AVHRR Surface Reflectance (SR), Version 4
                date:  (CI_Date)
                    date:  2022
                    dateType:  (CI_DateTypeCode) publication
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  NOAA Institutional Repository
                    role:  (CI_RoleCode) publisher
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://doi.org/10.25923/z5qh-5b12
                            protocol:  HTTPS
                            applicationProfile:  Web Browser
                            name:  DSMR Publication at the NOAA Institutional Repository
                            description:  Report documenting the Scientific Data Stewardship Maturity for this dataset.
                            function:  (CI_OnLineFunctionCode) information
                    role: (inapplicable)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) sciencePaper
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  Data Stewardship Maturity Report for NOAA Climate Data Record (CDR) of AVHRR Surface Reflectance (SR), Version 4
                date:  (CI_Date)
                    date:  2021
                    dateType:  (CI_DateTypeCode) publication
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  NOAA Institutional Repository
                    role:  (CI_RoleCode) publisher
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://doi.org/10.25923/z5qh-5b12
                            protocol:  HTTPS
                            applicationProfile:  Web Browser
                            name:  DSMR Publication at the NOAA Institutional Repository
                            description:  Report documenting the Scientific Data Stewardship Maturity for this dataset.
                            function:  (CI_OnLineFunctionCode) information
                    role: (inapplicable)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) sciencePaper
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  NASA Land Long Term Data Record (LTDR)
                date: (missing)
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center
                    role:  (CI_RoleCode) publisher
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://ltdr.nascom.nasa.gov/cgi-bin/ltdr/ltdrPage.cgi
                            protocol:  HTTPS
                            applicationProfile:  Web Browser
                            name:  NASA Land Long Term Data Record (LTDR) project page
                            description:  Project page with dataset information.
                            function:  (CI_OnLineFunctionCode) information
                    role: (missing)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) project
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  Generating a long-term land data record from the AVHRR and MODIS Instruments
                date:  (CI_Date)
                    date:  2007-07
                    dateType:  (CI_DateTypeCode) publication
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Pedelty, Jeffrey
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Devadiga, Sadashiva
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Masuoka, Edward
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Brown, Molly
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Pinzon, Jorge
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Tucker, Compton
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Vermote, Eric
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Prince, Stephen
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Nagol, Jyotheshwar
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Justice, Christopher
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Roy, David
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Ju, Junchang
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Schaaf, Crystal
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Liu, Jicheng
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Privette, Jeffrey
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Pinheiro, Ana
                    role:  (CI_RoleCode) coAuthor
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  IEEE
                    role:  (CI_RoleCode) publisher
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://doi.org/10.1109/IGARSS.2007.4422974
                            protocol:  HTTPS
                            applicationProfile:  Web Browser
                            name:  Conference proceeding published July 2007 by the IEEE
                            description:  Pedelty, J., Devadiga, S., Masuoka, E., Brown, M., Pinzon, J., Tucker, C., … Pinheiro, A. (2007). Generating a long-term land data record from the AVHRR and MODIS Instruments. 2007 IEEE International Geoscience and Remote Sensing Symposium. IEEE. https://doi.org/10.1109/igarss.2007.4422974
                            function:  (CI_OnLineFunctionCode) information
                    role: (missing)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) sciencePaper
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  Other publications that cite this dataset
                date: (missing)
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://scholar.google.com/scholar?q=10.7289/V5TM782M+OR+10.1109%2FIGARSS.2007.4422974
                            protocol:  HTTPS
                            applicationProfile:  Web Browser
                            name:  Google Scholar search results
                            description:  Search results for publications that cite this dataset by its DOI(s).
                            function:  (CI_OnLineFunctionCode) information
                    role: (missing)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) project
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  NOAA Climate Data Record (CDR) of Normalized Difference Vegetation Index (NDVI), Version 4
                date:  (CI_Date)
                    date:  2014-05-21
                    dateType:  (CI_DateTypeCode) publication
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NOAA National Centers for Environmental Information
                    role:  (CI_RoleCode) publisher
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://doi.org/10.7289/V5PZ56R6
                            protocol:  HTTPS
                            applicationProfile:  Web Browser
                            name:  NCEI landing page for Normalized Difference Vegetation Index, Version 4
                            description:  Related dataset landing page.
                            function:  (CI_OnLineFunctionCode) information
                    role: (missing)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) project
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  NOAA Climate Data Record (CDR) of Leaf Area Index (LAI) and Fraction of Absorbed Photosynthetically Active Radiation (FAPAR), Version 4
                date:  (CI_Date)
                    date:  2014-12-31
                    dateType:  (CI_DateTypeCode) publication
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NOAA National Centers for Environmental Information
                    role:  (CI_RoleCode) publisher
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (missing)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://doi.org/10.7289/V5M043BX
                            protocol:  HTTPS
                            applicationProfile:  Web Browser
                            name:  NCEI landing page for Leaf Area Index and FAPAR, Version 4
                            description:  Related dataset landing page.
                            function:  (CI_OnLineFunctionCode) information
                    role: (missing)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) project
        spatialRepresentationType:  (MD_SpatialRepresentationTypeCode) grid
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) climatologyMeteorologyAtmosphere
        environmentDescription:  The CDR code is run on an 8-core 2.5GHz 64-bit Xeon server, running CentOS Linux 5.9 x86_64. The code was compiled with C-compiler GCC 4.4.7. The main C-libraries were: HDF5 8.88, HDF 4.2r4, NetCDF 4.2, Zlib 1.2, szip. A full year of AVH09C1 and AVH13C1 products were processed in 3.5 days corersponding approximately to a 100x speed.
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                extentTypeCode:  1
                westBoundLongitude:  -180.0
                eastBoundLongitude:  180.0
                southBoundLatitude:  -90.0
                northBoundLatitude:  90.0
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    description:  ground condition
                    beginPosition:  1981-06-24
                    endPosition:  2019-07-11
                    timeInterval:  1
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    contentInfo:  (MI_CoverageDescription)
        attributeDescription:
          RecordType:  AVHRR-Land_v004_AVH09C1_NOAA-XX_YYYYMMDD_cYYYYMMDDHHMMSS.nc
        contentType:  (MD_CoverageContentTypeCode) physicalMeasurement
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  latitude
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  latitude (latitude)
            units:  http://example.org/someUnitsDictionary.xml#degrees_north
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  longitude
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  longitude (longitude)
            units:  http://example.org/someUnitsDictionary.xml#degrees_east
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  time
                attributeType:
                  TypeName:
                    aName:  float
            descriptor:  time (time)
            units:  http://example.org/someUnitsDictionary.xml#days%20since%201981-01-01%2000%3A00%3A00
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  SREFL_CH1
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  NOAA Climate Data Record of Surface Reflectance at 640 nm (surface_bidirectional_reflectance)
            units:  http://example.org/someUnitsDictionary.xml#1
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  SREFL_CH2
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  NOAA Climate Data Record of Surface Reflectance at 860 nm (surface_bidirectional_reflectance)
            units:  http://example.org/someUnitsDictionary.xml#1
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  BT_CH3
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  Brightness Temperature at 3.75 microns (toa_brightness_temperature)
            units:  http://example.org/someUnitsDictionary.xml#Kelvin
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  BT_CH4
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  Brightness Temperature at 11.0 microns (toa_brightness_temperature)
            units:  http://example.org/someUnitsDictionary.xml#Kelvin
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  BT_CH5
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  Brightness Temperature at 12.0 microns (toa_brightness_temperature)
            units:  http://example.org/someUnitsDictionary.xml#Kelvin
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  SREFL_CH3
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  Surface Reflectance at 3.75 microns
            units:  http://example.org/someUnitsDictionary.xml#1
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  SZEN
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  Solar Zenith Angle (solar_zenith_angle)
            units:  http://example.org/someUnitsDictionary.xml#degrees
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  VZEN
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  View Zenith Angle (sensor_zenith_angle)
            units:  http://example.org/someUnitsDictionary.xml#degrees
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  RELAZ
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  Relative Azimuth (relative_sensor_azimuth_angle)
            units:  http://example.org/someUnitsDictionary.xml#degrees
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  TIMEOFDAY
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  Time since Start of Data Day
            units:  http://example.org/someUnitsDictionary.xml#h%20since%202010-01-05%2000%3A00%3A00
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  QA
                attributeType:
                  TypeName:
                    aName:  short
            descriptor:  Quality Control
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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:  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
                version:  4
                specification:  The NetCDF data files comply with the Climate and Forecast (CF) Metadata Conventions and the NetCDF Attribute Convention for Dataset Discovery (ACDD).
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://doi.org/10.7289/V5TM782M
                    protocol:  HTTPS
                    applicationProfile:  Landing Page
                    name:  NCEI Dataset Landing Page
                    description:  Landing page for the dataset.
                    function:  (CI_OnLineFunctionCode) information
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ncei.noaa.gov/contact
                    protocol:  HTTPS
                    applicationProfile:  Web Browser
                    name:  Contact NCEI
                    description:  Contact NCEI for more information and to request access to the archived data. Requests are subject to NCEI order fulfillment constraints.
                    function:  (CI_OnLineFunctionCode) offline
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode)
            extent:  #boundingExtent
        lineage:  (LI_Lineage)
            statement:  This dataset was produced by the NASA Goddard Space Flight Center (GSFC) and the University of Maryland (UMD), and is archived at the NOAA National Centers for Environmental Information (NCEI).
            processStep:  (LE_ProcessStep)
                description:  For a description of the processing steps, see the Algorithm Theoretical Basis Document and the Data Flow Diagram for this dataset.
                processor:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center
                    role:  (CI_RoleCode) processor
                processor:  (CI_ResponsibleParty)
                    organisationName:  University of Maryland
                    role:  (CI_RoleCode) processor
                source:  sd001
                source:  sd002
                source:  sd003
                source:  sd004
                source:  sd005
                source:  sd006
                source:  sd007
                source:  sd008
                processingInformation:  (LE_Processing)
                    identifier:  (MD_Identifier)
                        code:  CDR Version 4
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                        title:  Flowcharts Vegetation CDR
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                            title:  Climate Algorithm Theoretical Basis Document (C-ATBD)
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                                date:  2013
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                        description:  See Algorithm Citation
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                    title:  NOAA AVHRR Global Area Coverage (GAC) Level 1b dataset
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                    title:  Clock correction table and Vicarious Calibration LUT
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                    title:  TOMS ozone data (39 km x 39 km at nadir)
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                    title:  NCEP Reanalysis water vapor (0.5 degree)
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                    title:  Stratospheric and Tropospheric Aerosol Climatology
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                    title:  USGS digital elevation model (DEM) (0.05 degree)
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                    title:  MODIS land/water mask, BRDF database, and BRDF-corrected reflectance climatology (0.05 degree)
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                    citedResponsibleParty:  (CI_ResponsibleParty)
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                description:  NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
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                  DateTime:  2015-04-22T00:00:00
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                title:  The Scientific Data Stewardship Maturity Assessment Model Template
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                edition:  NCDC-CICS-SMM_0001_Rev.1 v4.0 06/27/2016
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                      Anchor:  DOI link doi:10.10.6084/m9.figshare.1211954
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Bulk metadata change applied on 2023-06-23. See version control repository history for metadata change details.