Carbon Data-Model Assimilation (C-DAS)
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Project Background

Project Overview

The Carbon Data-Model Assimilation (C-DAS) project is intended to bring observationalists and modelers together to form an integrated approach to improving our understanding of the global carbon cycle. At a time when the combination of state of the art observing networks and modeling tools only provide weak constraints on carbon fluxes at continental (~10,000 km) scales, pressing scientific questions and societal concerns demand hard constraints on fluxes at regional (~1000 km) scales. It is clear that to move forward we need an expanded observing network and new modeling tools, but it is unclear how to best proceed on both fronts.

View the C-DAS project overview for a detailed description of the C-DAS framework and our interaction with the SOARS (Significant Opportunities in Atmospheric Research and Science) Program :


The People


  • Dave Schimel (NCAR/CGD)
  • Britt Stephens (NCAR/ATD)

Steering Committee:

  • Dennis Ojima (CSU)
  • Scott Denning (CSU)
  • Tomislava Vukicevic (CSU)
  • Scott Doney (NCAR/CGD)
  • Natalie Mahowald (NCAR/CGD)
  • Beth Holland (NCAR/ACD)
  • David Baker (NCAR/ASP)
  • Peter Thornton (NCAR/CGD)
  • Roger Dargaville (NCAR/CGD)
  • Kathy Hibbard (Univ. New Hampshire)
  • Don Middleton (NCAR/SCD)
  • Doug Nychka (NCAR/CGD/GSP)
  • Jeff Anderson (GFDL and NCAR)

Technical Team:

  • Roger Dargaville (NCAR/CGD)
  • David Baker (NCAR/ASP)
  • Steve Aulenbach (NCAR/CGD)
  • Jen Oxelson (NCAR/ESIG/ATD)
  • Dave Brown (NCAR/SCD)
  • Kathy Fischer (NCAR/CGD)
  • Mark Moore (NCAR/CGD)
  • Richard Loft (NCAR/SCD)

Administrative Support:

  • Susan Chavez (NCAR/CGD)
  • Mildred Beebe (NCAR/CGD)

Contact Information

For More information about the Carbon Data-Model Assimilation (C-DAS) project, please contact:

Susan Chavez
Climate and Global Dynamics Division
National Center for Atmospheric Research
PO Box 3000
Boulder, CO. 80307, USA
Tel: 303-497-1611
Fax: 303-497-1314

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The Carbon Data/Model Assimilation (C-DAS) project is sponsored by the National Center for Atmospheric Research, the University Corporation for Atmospheric Research, the National Science Foundation, Colorado State University, the National Aeronautics and Space Administration, the National Oceanic and Atmospheric Administration, and the Global Carbon Project.
National Center for Atmospheric Research Colorado State University University Corporation for Atmospheric Research National Science Foundation National Aeronautics and Space Administration National Oceanic and Atmospheric Administration Global Carbon Project Carbon Data/Model Assimilation (C-DAS)