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Summary table: Coordinate System

cartesianLambert conformallatitude / longituderotated lat. / long.z coordinatesurface fitted gridpressurecoordinatesigma coordinateremarks
ADREA
ALADIN/A
ALADIN/PL
ARPS
BOLCHEMThe grid is staggered in the horizontal (Arakawa C) and in the vertical (Lorenz).
CALMET/CALPUFFThe terrain-following vertical coordinate system The Lambert conformal grid for the large domain
CALMET/CAMx
CLMhybrid pressure(at top of atmos.) and sigma coordinate
COSMO-2
COSMO-7
COSMO-CLMhybrid pressure(at top of atmos.) and sigma coordinate
COSMO-MUSCATVertical hybrid grid for Met and CT: terrain-following coordinates in lower, horizontal coordinates in upper atmosphere (based either on height or reference pressure). -- Horizontal grid: Uniform with nested sub-domains of raised spatial resolution (for CT only).
ENVIRO-HIRLAM
GEM-AQsigma-pressure hybrid vertical coordinate
GESIMA
GMEvertical coordinates: hybrid pressure (at top of atmos.) and sigma system. horizontal coordinates: regular icosahedral-hexagonal grid of 20 equilateral triangles to allow almost uniform discretisation on sphere following Baumgardner (1983)
Hirlam
LAMIhybrid coordinate, horizontal at top of atmosphere and terrain following below (normalized with standard surface pressure)
LMEhybrid pressure(at top of atmos.)and sigma coordinate
LME_MHidentical hybrid pressure/sigma grid as Lokalmodell
M-SYS
MC2-AQvertical: Hybrid Terrain Following Vertical coordinate [SLEVE variation of Gal-Chen, Shaer et al. 2002] horizontal: rotated lat/long, polar-stereographic, mercator
MCCM
MEMO (UoT-GR)
MEMO (UoA-PT)
MERCUREunstructured mesh
METRAS
METRAS-PCL
MM5 (UoA-GR)Depending on the domain location the user can chose three types of map projections: Lambert conformal, Mercator or Polar Stereographic
MM5 (UoA-PT)Depending on the domain location the user can chose three types of map projections: Lambert conformal, Mercator or Polar Stereographic
MM5 (UoH-UK)
MM5(GKSS-D)Other types of map projections can be chosen: Mercartor or polar stereographic.
Meso-NHFor the vertical, Gal-Chen-Somerville coordinate. For the horizontal, different conformal projections (Polar stereographic, Lambert, Mercator)
NHHIRLAMhybrid coordinate
RAMSThe vertical structure of the grid uses the sigma-z terrain-following coordinate system (Gal-Chen and Somerville, 1975; Clark, 1977; Tripoli and Cotton, 1982).
RCG
SAIMMthe model tranform the cartesian coordinates to terrain-following coordinates
TAPM
UMVertical coordinate is hybrid height based - terrain following near surface, flat at top. Gal-Chen and SLEVE can be implemented, but we use a slightly different formulation. Charney-Philips staggering in vertical to avoid compuation modes and improve balance.
WRF-ARW
WRF/ChemDepends on choice of dynamical core. WRF allows for different choices...
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