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www.geosci-model-dev.net/4/451/2011/
doi:10.5194/gmd-4-451-2011
© Author(s) 2011. This work is distributed
under the Creative Commons Attribution 3.0 License.
GEOCLIM reloaded (v 1.0): a new coupled earth system model for past climate change
1Department of Earth Sciences, Utrecht University, Utrecht, The Netherlands
2Laboratoire des Mécanismes et Transferts en Géologie, UMR 5563, CNRS-Université Paul Sabatier-IRD, Toulouse, France
3Department of Earth and Environmental Sciences, Université Libre de Bruxelles, Brussels, Belgium
4Laboratoire des Sciences du Climat et de l'Environnement, CNRS-CEA, Gif sur Yvette, France
Abstract. We present a new version of the coupled Earth system model GEOCLIM. The new release, GEOCLIM reloaded (v 1.0), links the existing atmosphere and weathering modules to a novel, temporally and spatially resolved model of the global ocean circulation, which provides a physical framework for a mechanistic description of the marine biogeochemical dynamics of carbon, nitrogen, phosphorus and oxygen. The ocean model is also coupled to a fully formulated, vertically resolved diagenetic model. GEOCLIM reloaded is thus a unique tool to investigate the short- and long-term feedbacks between climatic conditions, continental inputs, ocean biogeochemical dynamics and diagenesis. A complete and detailed description of the resulting Earth system model and its new features is first provided. The performance of GEOCLIM reloaded is then evaluated by comparing steady-state simulation under present-day conditions with a comprehensive set of oceanic data and existing global estimates of bio-element cycling in the pelagic and benthic compartments.
Final Revised Paper (PDF, 5267 KB) Discussion Paper (GMDD)
Citation: Arndt, S., Regnier, P., Goddéris, Y., and Donnadieu, Y.: GEOCLIM reloaded (v 1.0): a new coupled earth system model for past climate change, Geosci. Model Dev., 4, 451-481, doi:10.5194/gmd-4-451-2011, 2011. Bibtex EndNote Reference Manager XML
