DIAS Metadata: Sentinel-2

DIAS Metadata for Sentinel-2 Products

Summary

  1. Level-1C
  2. Level-2A

Level-1C

Category: Acquisition

  • Datatake sensing start (dataTakeSensingStart) – text/date+iso8601
    Datatake start date time, i.e time of the oldest data within the datatake.
    Format standard: YYYY-MM-DDThh:mm:ss.mmmZ
  • Begin position (beginPosition) – text/date+iso8601
    Acquisition start date time, i.e. time of the oldest data within the product.
    Format standard: YYYY-MM-DDThh:mm:ss.mmmZ
  • End position (endPosition) – text/date+iso8601
    Acquisition end date time, i.e. time of the most recent data within the product.
    Format standard: YYYY-MM-DDThh:mm:ss.mmmZ
  • Datatake identifier (dataTakeIdentifier) – text/plain
    Datatake identifier. Identifier format is mission specific.
    Examples of values are: ‘GS2B_20180321T060729_005422_N02.06’, ‘148335’.

Category: Ground Information

  • Footprint (footprint) – application/gml+xml
    Boundaries of the frame. In addition to the constraints imposed by the GML type for linear rings, the coordinates shall be declared in a counter-clockwise order.

Category: Instrument

  • Instrument name (instrumentName) – text/plain
    The instrument name used for acquiring the data.
    Value: ‘Multi-Spectral Instrument’.
  • Instrument short name (instrumentShortName) – text/plain
    The short name of the instrument.
    Value: ‘MSI’.

Category: Orbit

  • Orbit number (orbitNumber) – text/integer
    Absolute orbit number to which the oldest data unit of the product refers.
  • Orbit direction (orbitDirection) – text/plain
    Acquisition orbit direction.
    Value: ‘ASCENDING’ or ‘DESCENDING’.
  • Relative orbit number (relativeOrbitNumber) – text/integer
    Relative orbit number to which the oldest data unit of the product refers.

Category: Other

  • Tile Identifier (tileIdentifier) – text/plain
    Extract tile identifier (MGRS encoded). If more than one tile is present in the user product, first one is selected.
  • Ordered tile identifier (orderedTileIdentifier) – text/plain
    Tile identifier to scambeled to order tiles horizontally.
  • Filename (filename) – text/plain
    Package file name, with extension ‘.SAFE’.
  • Product type (productType) – text/plain
    Product type.
    Value: ‘S2MSI1C’.
  • Size (size) – text/plain
    Size of the package.
  • Format (format) – text/plain
    Format of the product.
    Value: ‘SAFE’.

Category: Platform

  • Platform name (platformName) – text/plain
    The mission full name of the platform. This name is not a perfect identifier.
    Value: ‘Sentinel-2’.
  • Platform short name (platformShortName) – text/plain
    The mission short name of the platform. This name is not a perfect identifier.
    Value: ‘S2’.
  • Platform serial identifier (platformSerialIdentifier) – text/plain
    The platform serial identifier is the sequence number of the platform among the mission. This serial identifier may follow different rules. It may start from 0 or 1, be Roman or alphabetical numbers, or a combination (e.g. ‘1’, ‘2’, ‘1A’, ‘B’, ‘IX’, etc.)
    Value: ‘2A’ for Sentinel-2A, ‘1B’ for Sentinel-2B.
  • Platform NSSDC identifier (platformNssdcid) – text/plain
    Univocally identifies the platform. The exact syntax and lexical space of this identifier is defined by the World Data Center for Satellite Information (WDC-SI), which depends on the NASA’s National Space Science Data Center. For each platform, the exact identifier is available from the mission name at the address: http://nssdc.gsfc.nasa.gov/nmc/sc-query.html.
    Value: ‘2015-028A’ for Sentinel-2A, ‘2017-013A’ for Sentinel-2B.

Category: Processing

  • Processing baseline (processingBaseline) – text/plain
    The processing baseline.
  • Processing level (processingLevel) – text/plain
    The level of the last processing.
    Value: ‘LEVEL-1C’.
  • Processing date (processingDate) – text/date+iso8601
    Date time of the last processing.

Category: Quality

  • Degraded ancillary data percentage (degradedAncillaryDataPercentage) – text/plain
    Percentage of degraded ancillary data over the product.
  • Degraded MSI data percentage (degradedMSIDataPercentage) – text/plain
    Percentage of degraded MSI data over the product.
  • Sensor quality flag (sensorQualityFlag) – text/plain
    Sensor quality flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • Geometric quality flag (geometricQualityFlag) – text/plain
    Geometric quality flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • General quality flag (generalQualityFlag) – text/plain
    General quality flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • Format correctness flag (formatCorrectnessFlag) – text/plain
    Format correctness flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • Radiometric quality flag (radiometricQualityFlag) – text/plain
    Radiometric quality flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • Cloud cover percentage (cloudCoverPercentage) – text/plain
    Cloud cover percentage.

Category: Sensor

  • Sensor type (sensorType) – text/plain
    Sensor type based on codelist.
    Value: ‘OPTICAL’.
  • Sensor operational mode (sensorOperationalMode) – text/plain
    Sensor mode. Possible values are mission specific.

Level-2A

Category: Acquisition

  • Datatake sensing start (dataTakeSensingStart) – text/date+iso8601
    Datatake start date time, i.e time of the oldest data within the datatake.
    Format standard: YYYY-MM-DDThh:mm:ss.mmmZ
  • Begin position (beginPosition) – text/date+iso8601
    Acquisition start date time, i.e. time of the oldest data within the product.
    Format standard: YYYY-MM-DDThh:mm:ss.mmmZ
  • End position (endPosition) – text/date+iso8601
    Acquisition end date time, i.e. time of the most recent data within the product.
    Format standard: YYYY-MM-DDThh:mm:ss.mmmZ
  • Datatake identifier (dataTakeIdentifier) – text/plain
    Datatake identifier. Identifier format is mission specific.
    Examples of values are: ‘GS2B_20180321T060729_005422_N02.06’, ‘148335’.

Category: Ground Information

  • Footprint (footprint) – application/gml+xml
    Boundaries of the frame. In addition to the constraints imposed by the GML type for linear rings, the coordinates shall be declared in a counter-clockwise order.

Category: Instrument

  • Instrument name (instrumentName) – text/plain
    The instrument name used for acquiring the data.
    Value: ‘Multi-Spectral Instrument’.
  • Instrument short name (instrumentShortName) – text/plain
    The short name of the instrument.
    Value: ‘MSI’.

Category: Orbit

  • Orbit number (orbitNumber) – text/integer
    Absolute orbit number to which the oldest data unit of the product refers.
  • Orbit direction (orbitDirection) – text/plain
    Acquisition orbit direction.
    Value: ‘ASCENDING’ or ‘DESCENDING’.
  • Relative orbit number (relativeOrbitNumber) – text/integer
    Relative orbit number to which the oldest data unit of the product refers.

Category: Other

  • Filename (filename) – text/plain
    Package file name, with extension ‘.SAFE’.
  • Product type (productType) – text/plain
    Product type.
    Value: ‘S2MSI2A’ or ‘S2MSI2Ap’.
  • Size (size) – text/plain
    Size of the package.
  • Format (format) – text/plain
    Format of the product.
    Value: ‘SAFE’.

Category: Platform

  • Platform name (platformName) – text/plain
    The mission full name of the platform. This name is not a perfect identifier.
    Value: ‘Sentinel-2’.
  • Platform short name (platformShortName) – text/plain
    The mission short name of the platform. This name is not a perfect identifier.
    Value: ‘S2’.
  • Platform serial identifier (platformSerialIdentifier) – text/plain
    The platform serial identifier is the sequence number of the platform among the mission. This serial identifier may follow different rules. It may start from 0 or 1, be Roman or alphabetical numbers, or a combination (e.g. ‘1’, ‘2’, ‘1A’, ‘B’, ‘IX’, etc.)
    Value: ‘2A’ for Sentinel-2A, ‘1B’ for Sentinel-2B.
  • Platform NSSDC identifier (platformNssdcid) – text/plain
    Univocally identifies the platform. The exact syntax and lexical space of this identifier is defined by the World Data Center for Satellite Information (WDC-SI), which depends on the NASA’s National Space Science Data Center. For each platform, the exact identifier is available from the mission name at the address: http://nssdc.gsfc.nasa.gov/nmc/sc-query.html.
    Value: ‘2015-028A’ for Sentinel-2A, ‘2017-013A’ for Sentinel-2B.

Category: Processing

  • Processing baseline (processingBaseline) – text/plain
    The processing baseline.
  • Processing level (processingLevel) – text/plain
    The level of the last processing.
    Value: ‘LEVEL-2A’ or ‘LEVEL-2AP’.
  • Processing date (processingDate) – text/date+iso8601
    Date time of the last processing.

Category: Quality

  • No data pixel percentage (noDataPixelPercentage) – text/plain
    Percentage of no data pixel
  • Saturated defective pixel percentage (saturatedDefectivePixelPercentage) – text/plain
    Percentage of saturated defective pixel
  • Dark features percentage (darkFeaturesPercentage) – text/plain
    Percentage of dark features
  • Cloud shadow percentage (cloudShadowPercentage) – text/plain
    Percentage of cloud shadow
  • Vegetation percentage (vegetationPercentage) – text/plain
    Percentage of vegetation
  • Not vegetated percentage (notVegetatedPercentage) – text/plain
    Percentage of not vegetated
  • Water percentage (waterPercentage) – text/plain
    Percentage of water
  • Unclassified percentage (unclassifiedPercentage) – text/plain
    Percentage of unclassified
  • Medium proba clouds percentage (mediumProbaCloudsPercentage) – text/plain
    Percentage of medium proba clouds
  • High proba clouds percentage (highProbaCloudsPercentage) – text/plain
    Percentage of high proba clouds
  • Thin cirrus percentage (thinCirrusPercentage) – text/plain
    Percentage of thin cirrus
  • Snow ice percentage (snowIcePercentage) – text/plain
    Percentage of snow ice
  • Radiative transfer accuracy (radiativeTransferAccuracy) – text/plain
    Radiative transfer accuracy
  • Water vapour retrieval accuracy (waterVapourRetrievalAccuracy) – text/plain
    Water vapour retrieval accuracy
  • Aot retrieval accuracy (aotRetrievalAccuracy) – text/plain
    AOT retrieval accuracy
  • Degraded ancillary data percentage (degradedAncillaryDataPercentage) – text/plain
    Percentage of degraded ancillary data over the product.
  • Degraded MSI data percentage (degradedMSIDataPercentage) – text/plain
    Percentage of degraded MSI data over the product.
  • Sensor quality flag (sensorQualityFlag) – text/plain
    Sensor quality flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • Geometric quality flag (geometricQualityFlag) – text/plain
    Geometric quality flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • General quality flag (generalQualityFlag) – text/plain
    General quality flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • Format correctness flag (formatCorrectnessFlag) – text/plain
    Format correctness flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • Radiometric quality flag (radiometricQualityFlag) – text/plain
    Radiometric quality flag.
    Value: ‘PASSED’ or ‘FAILED’.
  • Cloud cover percentage (cloudCoverPercentage) – text/plain
    Cloud cover percentage.

Category: Sensor

  • Sensor type (sensorType) – text/plain
    Sensor type based on codelist.
    Value: ‘OPTICAL’.
  • Sensor operational mode (sensorOperationalMode) – text/plain
    Sensor mode. Possible values are mission specific.