GEOS 5 Boundary Conditions

Boundary Conditions for GEOS-5

This page will describe the available boundary conditions for the GEOS-5 GCM

Atmospheric Resolutions

Supported atmospheric resolutions are

• Lat-Lon
  • 72x46 (4-degree)
  • 144x91 (2-degree)
  • 288x181 (1-degree)
  • 576x361 (1/2-degree)
• Cubed-Sphere
  • c24 (4-degree equiv.)
  • c48 (2-degree equiv.)
  • c90 (1-degree equiv.)
  • c180 (56 km, 1/2-degree equiv.)
  • c360 (28 km, 1/4-degree equiv.)
  • c720 (14 km, 1/8-degree equiv.)
  • c1440 (7 km, 1/16-degree equiv.)
  • c2880 (3.5 km)

Ocean Resolutions

Ganymed 4.1 currently has support for three data oceans for SSTs:

Reynolds

Reynolds is a 1-degree ocean SST boundary condition.

MERRA-2

MERRA-2 is a 1/4-degree ocean SST boundary condition.

OSTIA

OSTIA is a 1/8-degree ocean SST boundary condition.

Topography

Chemical Boundary Conditions

Here is a description of the boundary conditions from the Nature Run.