Radiatively Active Gas Profiles CH4

Radiatively Active Gas Profiles (Methane)

This Infrared Atmospheric Sounding Interferometer (IASI) methane dataset contains height-resolved and column-averaged volume mixing ratios of atmospheric methane (CH4) retrieved from the IASI instrument on the MetOp-B satellite. 

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Summary Specification:

12 km resolution (L2), July 2007 onwards

Visualising the data:


Obtaining the data:

Data is available on CEDA (https://www.ceda.ac.uk/):



Knappett, D.; Siddans, R.; Ventress, L.; Kerridge, B.; Latter, B. (2022): STFC RAL methane retrievals from IASI on board MetOp-B, version 2.0. NERC EDS Centre for Environmental Data Analysis, 20 January 2022. doi:10.5285/4bbcb1722f2842c1b0a5ebc19160a863. 


Use of these data is covered by the following licence: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.