GOSAT-GW/AMSR3 L3 Brightness Temperature (1-Day,12.5km,EG)
type: Dataset
modified: 2025-08-11T00:00:00Z
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keyword: EARTH SCIENCE
keyword: SPECTRAL/ENGINEERING
keyword: MICROWAVE
keyword: BRIGHTNESS TEMPERATURE
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description: GOSAT-GW/AMSR3 L3 Brightness Temperature (EG, 12.5 km, 1-Day) dataset is obtained from the AMSR3 sensor onboard GOSAT-GW and produced by the Japan Aerospace Exploration Agency (JAXA).GOSAT-GW was launched by the H-IIA Launch Vehicle No. 50 (H-IIA 50) at 01:33 a.m. on Jun 29th, 2025 (Japan Standard Time, JST). GOSAT-GW equipped with AMSR3 takes measurements at multiple microwave frequencies and multiple polarizations of weak electromagnetic waves in the microwave band radiated from the Earthâs surface and the atmosphere. AMSR3 has swath of 1535 km and 11 microwave bands. The observation data will enable the creation of long-term trustworthy data sets of global physical amount.Level 3 products are gridded data. They store the brightness tempreture or physical parameters data converted using grid processing and temporally statical processing.This product includes averaged Brightness Temperature. Brightness Temperature is calculated from sensor counts and is proportional to the power of observed electromagnetic wave. They are expressed by the physical temperature of blackbody, which can emit the electromagnetic wave with the same power. Horizontal polarized wave and vertical polarized wave are stored separately. The provided format is NetCDF4. The current version of the product is Version 01A. The physical quantity unit is Kelvin. The generation unit is global. The sampling resolution is 12.5 km. The projection method is EG.
temporal: PeriodOfTime
  start date: 2025-08-11T00:00:00Z

AMSR3
type: Entity
type: Concept
in scheme: https://earth.esa.int/concepts/concept_scheme/instruments

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

CatalogRecord
modified: 2026-06-30T00:00:00Z
source: https://fedeo.ceos.org/collections/GOSAT-GW_AMSR3_L3_TB_1Day_12.5km_EG
conforms to: https://joinup.ec.europa.eu/release/geodcat-ap/20

https://fedeo.ceos.org/collections/GOSAT-GW_AMSR3_L3_TB_1Day_12.5km_EG
type: CatalogRecord
conforms to: ISO19139-2

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

EARTH SCIENCE>SPECTRAL/ENGINEERING>MICROWAVE>BRIGHTNESS TEMPERATURE
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords

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

AMSR3
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments