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The transition of Climate Models into Earth System Models

Jöckel, Patrick (2011) The transition of Climate Models into Earth System Models. 18th international Conference on High Performance Computing (HiPC), 18-21 Dec 2011, Bengaluru (Bangalore), India.

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Official URL: http://www.hipc.org/

Abstract

Climate models are continuously further developed into comprehensive Earth System Models (ESMs) representing more and more detailed process descriptions at increasingly higher model resolution. This transition poses several challenges, which are exacerbated by the concurrently changing HPCenvironment. The steadily increasing complexity of the model systems requires new approaches for the overall model design to keep them manageable and extendable, their long life cycles require the application of software engineering techniques in HPC and rely on standardisations. One of the fundamental issues is the methodology to combine ("couple") efficiently different domain and/or process models into a consistent ESM. Often, historically grown legacy codes, or parts of them, and model components based on a variety of numerical methods and parallelisation strategies need to be connected. Several approaches to tackle this issue exist. In this talk we present our own development, the Modular Earth Submodel System, and discuss different coupling approaches, such as the fine granular modularisation for atmospheric chemistry processes, the indirect and direct coupling of an atmosphere - ocean system, and the on-line nesting of a high resolution limited area atmospheric model into a global model.

Document Type:Conference or Workshop Item (Lecture)
Title:The transition of Climate Models into Earth System Models
Authors:
AuthorsInstitution or Email of Authors
Jöckel, PatrickParick.Joeckel@dlr.de
Date:19 December 2011
Keywords:global modelling, Earth System Modelling, Atmospheric Modelling, High Performance Computing, Coupling
Event Title:18th international Conference on High Performance Computing (HiPC)
Event Location:Bengaluru (Bangalore), India
Event Type:international Conference
Event Dates:18-21 Dec 2011
Organizer:HiPC Trust
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Dynamics
Deposited By: Patrick Jöckel
Deposited On:16 Jan 2012 11:32
Last Modified:12 Dec 2013 21:33

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