Articles | Volume 11, issue 5
https://doi.org/10.5194/gmd-11-1799-2018
https://doi.org/10.5194/gmd-11-1799-2018
Review and perspective paper
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08 May 2018
Review and perspective paper | Highlight paper |  | 08 May 2018

Crossing the chasm: how to develop weather and climate models for next generation computers?

Bryan N. Lawrence, Michael Rezny, Reinhard Budich, Peter Bauer, Jörg Behrens, Mick Carter, Willem Deconinck, Rupert Ford, Christopher Maynard, Steven Mullerworth, Carlos Osuna, Andrew Porter, Kim Serradell, Sophie Valcke, Nils Wedi, and Simon Wilson

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Short summary
Weather and climate models consist of complex software evolving in response to both scientific requirements and changing computing hardware. After years of relatively stable hardware, more diversity is arriving. It is possible that this hardware diversity and the pace of change may lead to an inability for modelling groups to manage their software development. This chasm between aspiration and reality may need to be bridged by large community efforts rather than traditional in-house efforts.