Welcome to CCSM

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The CCSM Working Groups are relatively small teams of scientists that work on individual component models or specific coupling strategies. Each team takes responsibility for developing and continually improving its component of the CCSM consistent with the CCSM goal of a fully-coupled model and with the CCSM design criteria. Each team will decide their own development priorities and work schedules, consistent with the overall goals of CCSM, and subject to oversight by the CCSM Scientific Steering Committee (SSC).

Working Group	Liaison	Description
Atmosphere Model	Richard Neale	The Community Atmosphere Model (CAM) is the latest in a series of global atmosphere models developed at NCAR for the weather and climate research communities. CAM also serves as the atmospheric component of the Community Climate System Model (CCSM).
Land Ice	Stephen Price	The Land Ice Working Group (LIWG) was formed to develop and apply the ice sheet model component of CCSM and to assess the role of land ice in climate change and sea-level rise.
Land Model	Sam Levis	The Community Land Model is the land model for the Community Climate System Model (CCSM) and the Community Atmosphere Model (CAM).
Ocean Model	Steve Yeager	The Ocean Model Working Group was formed to discuss issues related to ocean components in the CCSM context and to coordinate the development and testing of ocean components.
Polar Climate	David Bailey	The Polar Climate Working Group (PCWG) is a consortium of scientists who are interested in modeling and understanding the climate in the Arctic and the Antarctic, and how polar climate processes interact with and influence climate at lower latitudes.
Biogeochemistry	Keith Lindsay	The overall goal of the Biogeochemistry Working Group (BGCWG) is to improve our understanding of the interactions and feedbacks between the physical climate and biogeochemical systems under past, present and future climates.
Chemistry-Climate	Francis Vitt	The Community Climate System Model (CCSM) chemistry-climate working group is formed to focus on the coupling between the climate system, aerosols, atmospheric composition and chemistry.
Climate Variability	Adam Phillips	The Climate Variability Working Group (CVWG) was formed to analyze natural and anthropogenically-induced patterns of climate variability in CCSM and its component models as a means of furthering our understanding of the observed climate system.
Climate Change	Gary Strand	The CCSM Climate Change and Assessment Working Group was formed to coordinate climate change simulations of the CCSM. It also has the responsibility to coordinate with the DOE Climate Change Prediction Program-supported climate change simulations.
Paleoclimate	Nan Rosenbloom and Christine Shields	The largest climate changes that have occurred on Earth, such as the Ice Ages, are those recorded in the geologic record. Understanding the causes of such past climate changes is an essential part of developing and validating models of future climate change.
Software Engineering	--	The Software Engineering Working Group (SEWG) was formed to examine software engineering issues related to creating and executing CCSM model codes, and to recommend and help coordinate software engineering practices that will help the CCSM project to achieve its goals.
Whole Atmosphere	TBD	The Whole Atmosphere Working Group (WAWG) was formed to examine the range of altitude from the Earth's surface to the thermosphere.