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changes.mady.by.user Xiaobo Yang

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changes.mady.by.user Michela Giusti

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Implementation dateCycleSummary of changesResolution/Resolution changeNew species
12 October 202147r3Atmospheric composition, MeteorologyHorizontal: 40km, Vertical: 137 levelsnone
18 May 2021 (12UTC cycle)47r2Atmospheric composition, MeteorologyHorizontal: 40km,  VerticalVertical:   137 levelsnone
6 October 202047r1Atmospheric composition, MeteorologyHorizontal: 40km,  VerticalVertical:   137 levelsnone
9 July 201946r1Atmospheric composition, MeteorologyHorizontal: 40km, Vertical: from 60 to 137 levels levelsAerosols: nitrate and ammonium
26 June 201845r1Atmospheric composition, MeteorologyHorizontal: 40km,  VerticalVertical: 60 levelsSee Table 1 and 2
26 September 201743r3Atmospheric composition, MeteorologyHorizontal: 40km,  VerticalVertical: 60 levelsnone
24 January 201743r1Atmospheric composition, MeteorologyHorizontal: 40km,  VerticalVertical:   60 levelsnone
21 June 201641r1Atmospheric composition, MeteorologyHorizontal: from 80km to 40km,  VerticalVertical:   60 levelsnone

Data access

The data is now available from the Atmosphere Data Store (ADS), either interactively through its download web form or programmatically using the CDS API service:

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Model levels: 1/to/137, which are described at https://wwwconfluence.ecmwf.int/endisplay/forecasts/documentation-and-support/137-model-levelsUDOC/L137+model+level+definitions. Before 9 July 2019, the vertical levels were 60, which are described at https://wwwconfluence.ecmwf.int/endisplay/forecasts/documentation-and-support/60-model-levelsUDOC/L60+model+level+definitions.

Parameter listings

Physical characteristics of the different types of aerosols (i.e mass density, the radius mode and geometric standard deviation of the lognormal size distribution and the bin limits and hygroscopic factor), are available in Rémy et al. (2019). The suggested reference for the IFS aerosol optical properties and hygroscopic growth tables is Bozzo at al (2020).

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