GCOM-C/SGLI L2 TOA radiance (1km)
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license: LicenseDocument
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description: GCOM-C/SGLI L2 Top of atmosphere radiance (1km) is obtained from the SGLI sensor onboard GCOM-C produced by the Japan Aerospace Exploration Agency (JAXA).GCOM-C is sun-synchronous sub-recurrent orbit satellite launched on December 23, 2017 and conducts long-term global observations of geophysical variables related to the global climate system across 28 items including aerosol and vegetation over 4 areas of atmosphere, land, ocean, and cryosphere. The data will be used to contribute to higher accuracy of global warming prediction. The SGLI has swath of 1150 km in the visible band and 1400 km in the infrared band. Level 2 products are defined to be granule scene and global (tile) data of physical quantity derived from Level 1B or Level 2 products and ancillary data such as meteorological data and various additional data related to the physical quantity. This dataset includes Top of atmosphere radiance (or reflectance by using the other conversion coefficients) of each band (Lt_VN01-11, Lt_SW01-04 and Lt_TI01-02), Land water flag, observation geometries, and QA flag.As the tile product of precise geometric corrected top of atmosphere (TOA) radiance, it corrects the parallax due to postural change or altitude using the parameter PGCP with positional variation estimated using GCP. The physical quantity unit is W/m^2/um/sr (or dimensionless for the reflectance).Land water flag is simply from the land water flag from L1B. The observation geometries include solar and satellite zenith and azimuth angles, and observation time in hour.The QA_flag shows flag of quality and condition of the geometric correction.The provided format is HDF5. The spatial resolution is 1 km. The projection method is EQA and the generation unit is "Tile". The current version of the product is Version 2.
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language: EN
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subject: imageryBaseMapsEarthCover
keyword: DIF10
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temporal: PeriodOfTime
  start date: 2018-01-01T00:00:00Z
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keyword: ATMOSPHERIC RADIATION
was generated by: Activity
  started at time: 2018-01-01T00:00:00Z
keyword: EARTH SCIENCE
type: http://inspire.ec.europa.eu/metadata-codelist/ResourceType/series
identifier: Identifier
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modified: 2018-01-01T00:00:00Z
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CatalogRecord
source: https://fedeo.ceos.org/collections/GCOM-C_SGLI_L2_LTOA_1km
modified: 2023-02-14T00:00:00Z
conforms to: https://joinup.ec.europa.eu/release/geodcat-ap/20

https://fedeo.ceos.org/collections/GCOM-C_SGLI_L2_LTOA_1km
type: CatalogRecord
conforms to: ISO19139-2

GCOM-C1
type: Entity
in scheme: https://earth.esa.int/concepts/concept_scheme/platforms
type: Concept

SGLI
type: Entity
in scheme: https://earth.esa.int/concepts/concept_scheme/instruments
type: Concept

EARTH SCIENCE>ATMOSPHERE
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords

SGLI
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments

GCOM-C
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/platforms

EARTH SCIENCE>ATMOSPHERE>ATMOSPHERIC RADIATION
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords