@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <https://gcmd.earthdata.nasa.gov/kms#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/d022dc0f-0ce8-471a-ac6c-aabb48542cf4>
  skos:prefLabel "ERA15DAS"@en ;
  skos:changeNote """2015-08-10 14:42:27.0 [epneff] Insert Concept 
add broader relation (ERA15DAS [d022dc0f-0ce8-471a-ac6c-aabb48542cf4,158219] - Models/Analyses [113ecbc2-ab36-4d58-a96c-a6ce0106e749,143215]); 
""", """2021-11-30 13:34:16.0 [tstevens] Move Concepts 
delete broader relation (null); 
add broader relation (ERA15DAS [d022dc0f-0ce8-471a-ac6c-aabb48542cf4,826765] - Models [0a184cdc-c074-4946-90a6-02f03c686341,835911]); 
""", """2015-08-10 14:42:44.0 [epneff] Added long name 
insert AltLabel (id: null
text: ERA15 Data Assimilation System
language code: en); 
""", """2022-03-11 08:38:26.0 [tstevens]  
insert Definition (id: null
text: The ERA-15 data assimilation system is a special version of the ECMWF Operational data assimilation system which incorporates:

- Intermittent statistical (Optimum Interpolation) analysis with 6-hour cycling.

- One dimensional variational (1D-VAR) physical retrieval of TOVS (Tiros Operational Vertical Sounder) cloud cleared radiance (CCR) data.

- Diabatic, non-linear normal mode initialisation (five vertical modes).

- A spectral T106 forecast model with 31 hybrid vertical model levels, and a fully three-dimensional semi-Lagrangian advection scheme.

- A physical parametrization package including:
-- mean orography with a compatible parametrization of sub-grid scale orography;
-- a four layer prognostic soil scheme with no external forcing;
-- an interactive cloud/radiation scheme with full model representation of cloud water content and cloud cover;
-- a planetary boundary layer parametrization based on similarity
language code: en); 
""" ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/platforms> ;
  a skos:Concept ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/0a184cdc-c074-4946-90a6-02f03c686341> ;
  skos:definition """The ERA-15 data assimilation system is a special version of the ECMWF Operational data assimilation system which incorporates:

- Intermittent statistical (Optimum Interpolation) analysis with 6-hour cycling.

- One dimensional variational (1D-VAR) physical retrieval of TOVS (Tiros Operational Vertical Sounder) cloud cleared radiance (CCR) data.

- Diabatic, non-linear normal mode initialisation (five vertical modes).

- A spectral T106 forecast model with 31 hybrid vertical model levels, and a fully three-dimensional semi-Lagrangian advection scheme.

- A physical parametrization package including:
-- mean orography with a compatible parametrization of sub-grid scale orography;
-- a four layer prognostic soil scheme with no external forcing;
-- an interactive cloud/radiation scheme with full model representation of cloud water content and cloud cover;
-- a planetary boundary layer parametrization based on similarity"""@en ;
  ns0:altLabel [ ] .

<https://gcmd.earthdata.nasa.gov/kms/concept/0a184cdc-c074-4946-90a6-02f03c686341>
  skos:prefLabel "Models"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/d022dc0f-0ce8-471a-ac6c-aabb48542cf4> .