GFDL - Geophysical Fluid Dynamics Laboratory

GFDL Model Code – Public Releases

Current Public Releases

The following GFDL model codes have been released for public use. Click on the model link to be redirected to the information on how to acquire and run the model.  Please note, GFDL offers this code AS-IS, and can only offer minimal support.

Type Model Description Components Resolution
Atmosphere AM3 The atmospheric component of the GFDL coupled model CM3 is GFDL’s first global atmospheric model to include cloud-aerosol interactions. AM3 From 100 to 220 km
Atmosphere HiRam GFDL global HIgh Resolution Atmospheric Model  was developed with a goal of providing an improved representation of significant weather events in a global climate model. It contains a subset of AM3 parametrization. HiRam From 13 to 26 km
Atmosphere Doubly Periodic HiRam The Doubly Periodic HiRam is an idealized model for testing atmosphere physics. Uses the single tile version of the cubed sphere dynamical core. HiRam
Seasonal to Climate CM2.5/FLOR A descendant of the GFDL CM2.1 model that incorporates higher spatial resolution and a significantly improved land model (LM3). It uses cubed sphere dynamic core with AM2 physics and MOM5 Ocean. Since the high-resolution ocean model is relatively expensive to run, a companion model, CM2.5_FLOR, was developed using the same atmospheric component as CM2.5, but with a lower resolution ocean model. AM2 MOM5 LM3 110 km Atmosphere
CM2.5 ¼ degree Ocean
FLOR 1 degree Ocean

External Releases

The following models were developed at GFDL, however the development and support have been moved to an external community. Some models in the list are considered frozen, which indicates no active development and no support.  GFDL continues to supply links to these models for historic purposes. GFDL cannot offer support for these models.

Type Model Description Components Resolution
Ocean GOLD GOLD is a generalized Lagrangian-coordinate ocean model. The principal use of GOLD has been as an isopycnal coordinate ocean climate model.  The GOLD model is now frozen. GOLD From 1/12 to 2 degrees
Ocean MOM5 MOM is a numerical ocean model based on the hydrostatic primitive equations. MOM5 contains a marine ecosystem model known as COBALT.  MOM5 is now supported as part of the MOM5 project. MOM5 COBALT From 1/10 to 2 degrees
Climate CM2.1 CM2.1 was released as part of the MOM5 project. Coupling LM2 land and lat-lon dynamical core with MOM5 ocean. The code was released as part of the MOM5 project. AM2 MOM5 COBALT LM2 220 km Atmosphere
1 degree Ocean
Earth System ESM2M and ESM2G GFDL Earth System Model coupling LM2 land with carbon and lat-lon dynamical core with the ocean models MOM5 and GOLD, respectively. The code was released as part of the MOM5 and GOLD projects. Note: Instructions for GOLD are in the GOLD/README_setup file in the tar archive. ESM2M: AM2 MOM5 COBALT LM2
220 km Atmosphere
1 degree Ocean