The CCPP-ARM GCM Parameterization Testbed at the Program for Climate Model Diagnosis and Intercomparison (PCMDI)

The Cloud-Associated Parameterizations Testbed aims to diagnose and improve the representation in climate models of cloud-associated physical processes. In the testbed, weather forecast techniques are applied to climate models, with a focus on the Community Atmosphere Model. Three foci of the project include:

  1. comparison of model simulations to detailed process observations available from the Atmospheric Radiation Measurement (ARM) Climate Research Facility
  2. diagnosis of the origin of errors that are associated with a model’s climate
  3. testing of new parameterizations in order to identify improvements in the simulation of cloud-associated processes.
Project Term: 
2009 to 2013
Project Type: 
Laboratory Funded Research

Research Highlights:

CAUSES: Diagnosis of the Summertime Warm Bias in CMIP5 Climate Models at the ARM Southern Great Plains Site Highlight Presentation
CAUSES: On the Role of Surface Energy Budget Errors to the Warm Surface Air Temperature Error Over the Central United States Highlight Presentation