The Global Land/Atmosphere System Study focuses on model development and evaluation, concentrating on the new generation of land surface models.
The Global Atmospheric System Studies Panel coordinates scientific projects that bring together experts to contribute to the development of atmospheric models.
The GEWEX Hydroclimatology Panel aims to understand and predict continental to local-scale hydroclimates for hydrologic applications.
The GEWEX Data and Analysis Panel guides the production and evaluation of long term, global atmospheric, surface water, and energy budget products.