ESA Greenhouse Gases Climate Change Initiative (GHG_cci): Column-averaged CH4 from GOSAT generated with the SRPR (RemoTeC) Proxy Retrieval algorithm (CH4_GOS_SRPR), version 2.3.8
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    postal-code: OX11 0QX
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    country-name: United Kingdom
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access URL: http://data.ceda.ac.uk/neodc/esacci/ghg/data/crdp_4/GOSAT/CH4_GOS_SRPR/v2.3.8/
modified: 2009-04-01T00:00:00Z
description: The CH4_GOS_SRPR dataset is comprised of Level 2, column-averaged dry-air mole fractions (mixing ratios) of methane (XCH4). It has been produced using data acquired from the Thermal and Near Infrared Sensor for Carbon Observations (TANSO-FTS) NIR and SWIR spectra, onboard the Japanese Greenhouse gases Observing Satellite (GOSAT), using the RemoTeC SRPR Proxy Retrieval algorithm. It has been generated as part of the European Space Agency (ESA) Greenhouse Gases Climate Change Initiative (GHG_cci) project. This version of the data is version 2.3.8, and forms part of the Climate Research Data Package 4. This Proxy Retrieval product has been generated using the RemoTeC SRPR algorithm, which is being jointly developed at SRON and KIT. This has been designated as an 'alternative' GHG CCI algorithm, and a separate product has also been generated by applying the baseline GHG CCI proxy algorithm (the University of Leicester OCPR algorithm). It is advised that users who aren't sure whether to use the baseline or alternative product use the OCPR product generated with the baseline algorithm. For more information regarding the differences between the baseline and alternative algorithms please see the GHG-CCI data products webpage. The data product is stored per day in a single NetCDF file. Retrieval results are provided for the individual GOSAT spatial footprints, no averaging having been applied. As well as containing the key product, the product file contains information relevant for the use of the data, such as the vertical layering and averaging kernels. The parameters which are retrieved simultaneously with XCH4 are also included (e.g. surface albedo), in addition to retrieval diagnostics like quality of the fit and retrieval errors. For further details on the product, including the RemoTeC algorithm and the TANSO-FTS instrument, please see the associated product user guide (PUG) or the Algorithm Theoretical Basis Documents.
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Product Specification Document Version 3 (PSDv3)
type: Document
description: No further details.

Butz et al., 2010: reference further explaining the product
type: Document
description: No further details.

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

System Verification Report (SVR) GHG
type: Document
description: CCI Phase 2 CRDP#4 for sub-system CH4_GOS_SRPR v2.3.8 - No further details.

Comprehensive Error Characterisation Report : SRON PROXY retrieval algorithm for XCH4 (SRPR
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description: XCH4), version 4.0 - No further details.

Sample Image
type: Document
description: No further details.

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

EARTH SCIENCE>ATMOSPHERE>ATMOSPHERIC CHEMISTRY>CARBON AND HYDROCARBON COMPOUNDS>METHANE
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ESA CCI Greenhouse Gases project website
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description: No further details.

GOSAT
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Product Validation and Intercomparison Report (PVIRv5)
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description: No further details.

CatalogRecord
modified: 2026-08-05T00:48:24Z
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GOSAT-1
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TANSO-FTS
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Product User Guide
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description: No further details.

Algorithm Theoretical Basis Document for the RemoTeC XCH4 Proxy Product v2.3.8
type: Document
description: No further details.

EARTH SCIENCE>CLIMATE INDICATORS>PALEOCLIMATE INDICATORS>ICE CORE RECORDS>METHANE
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CEDA Data Catalogue Page
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GHG
type: Document
description: CCI Data Products webpage - No further details.