NVCL - PCMDI: Program for Climate Model Diagnosis and Intercomparison

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PCMDI: Program for Climate Model Diagnosis and Intercomparison

PCMDI is an Earth System Model

earth system model (ESM)

A model that simulates how chemistry, biology, and physical forces work together. These models are similar to, but much more comprehensive than, global climate models.

Source: U.S. Department of Energy Source

Evaluation project, evaluating an international collection of Earth system models to determine their ability to simulate and predict climate change. A central focus is on the simulation of atmospheric temperatures, clouds, precipitation and continental aridity, and ways to reduce uncertainties in climate forcing and climate responses that improve future climate predictions. This project is a leader in organizing the coordinated climate experimentation and climate data that make it possible to evaluate models.

Keywords	climate change attribution, climate feedbacks, climate feedback Processes that can either amplify or reduce the effects of climate drivers (e.g., solar radiation; greenhouse gas emissions; and aerosols, dust, smoke, and soot). A feedback that increases an initial warming is called a "positive feedback." A feedback that reduces an initial warming and then returns the system to it's original state is a "negative feedback." Source: NASA Global Climate Change Source clouds, drought, energy budget, global climate modeling global climate model (GCM) A complex mathematical representation of the major climate system components (atmosphere, land surface, ocean, and sea ice), and their interactions. Source: NOAA Geophysical Fluid Dynamics Laboratory Source (GCM), model intercomparison, precipitation, prediction, projection, water cycle
TYPE	Project

Keywords

climate change attribution, climate feedbacks, clouds, drought, energy budget, global climate modeling (GCM), model intercomparison, precipitation, prediction, projection, water cycle

TYPE

Project

Principal Investigator (PI)

Paul Ullrich

Lead Institution

Other Collaborators

Colorado State University National Oceanic and Atmospheric Administration Geophysical Fluid Dynamics Laboratory (NOAA-GFDL) Princeton University University of California at Davis University of California at Los Angeles

Inset global figures show maps of surface temperature change at two global warming levels. (Image credit: Lawrence Livermore National Laboratory)

For more information

Celine Bonfils
Lawrence Livermore National Laboratory
Paul Durack
Lawrence Livermore National Laboratory
Jiwoo Lee
Lawrence Livermore National Laboratory
Stephen Po-Chedley
Lawrence Livermore National Laboratory
Mark Zelinka
Lawrence Livermore National Laboratory
Paul Ullrich
Lawrence Livermore National Laboratory

https://pcmdi.llnl.gov/