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  • The single level variable "Surface surface roughness" , which can be downloaded from CDS at analysis time 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. 

Data availability issues

Description

Sensible and Latent heat fluxes are available only on time step +3 for the following periods:

CARRA-East:

  • 1997-07-01 00Z to 1998-02-02 21Z
  • 1998-02-15 03Z to 1998-02-15 21Z
  • 2006-09-01 00Z to 2007-03-16 21Z
  • 2014-09-01 00Z to 2015-02-17 21Z

CARRA-West:

  • 1997-07-01 00Z to 1997-09-07 21Z
  • 2006-09-01 00Z to 2006-10-28 21Z
  • 2014-09-01 00Z to 2014-10-26 21Z

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