Community Hydrologic Modeling Platform (CHyMP)
Community modeling -- the development, distribution and technical support of common simulation software designed to serve the diverse needs of a community, and to be advanced through contributions from the community -- has a rich tradition in the atmospheric and oceanic sciences, but less so in hydrology. Perhaps the best-known community modeling effort in the geosciences is based at the National Center for Atmospheric Research (NCAR). NCAR has a long history of developing, maintaining and supporting community atmosphere, ocean, land-surface and coupled climate models. These models supply the necessary simulation environment for numerous research groups around the world, and have provided the foundation for scores of fundamental scientific advances over the past three decades. The contributions of these models to weather, climate and global change research cannot be overstated.
As one of two new major initiatives for its next 5-year phase, CUAHSI is proposing to launch a major effort towards the development of a Community Hydrologic Modeling Platform (CHyMP). Recently, the National Science Foundation (NSF), the National Academy of Sciences (NAS) and CUAHSI jointly sponsored the Scoping Workshop on a Community Hydrologic Modeling Platform (CHyMP) on 26-27 March, 2008. The goal of this first workshop was to survey the range of perspectives on the need for community modeling in hydrology, as well as on the scope, form and requirements of such an activity. Planned outcomes from this meeting are the establishment of a CHyMP working group with a report to the community on the rationale and preliminary strategy for undertaking community modeling in hydrology. This working group will also be responsible for the development of two larger, communitybased workshops that will lead to the development of a formal proposal to the NSF for the development and implementation of the platform.
For additional background information, refer to the Community Modeling in Hydrologic Science article in Eos, Vol. 89, No. 32, 5 August 2008.
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