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- The single level variable "surface roughness" is incorrect and should not be used. For traceability and transparency reasons it remains available.
- The physiography data including the divisions of sub-grid tiles into sea, nature, inland water and urban fractions is based on combined ECOCLIMAP-I and ECOCLIMAP-II data. However, ECOCLIMAP-II (Faroux et al. 2013, https://gmd.copernicus.org/articles/6/563/2013/ data is not defined for Iceland, Svalbard and the Russian Arctic islands. This means that there is a minor inconsistency in the static tile fraction fields in these regions with respect to all the other regions in CARRA. As an example this inconsistency might manifest in differences in urban areas outside the ECOCLIMAP-II region.
- Be careful when using the single level, pressure level and model level wind component variables - they are pointing to the local grid directions and not to the geographic east-west or north-south directions. Please note that this is not an issue, but a choice, which might not be trivial for the users. The variables 10m wind direction (in the single level entry) and the wind direction at selected height levels (in the height level entry) do not have this issue.
Data availability issues
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Sensible and Latent heat fluxes are available only on time step +3 for the following periods: CARRA-East:
CARRA-West:
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