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| Titel |
GEOCLIM reloaded (v 1.0): a new coupled earth system model for past climate change |
| VerfasserIn |
S. Arndt, P. Regnier, Y. Godderis, Y. Donnadieu |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1991-959X
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| Digitales Dokument |
URL |
| Erschienen |
In: Geoscientific Model Development ; 4, no. 2 ; Nr. 4, no. 2 (2011-06-14), S.451-481 |
| Datensatznummer |
250001663
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| Publikation (Nr.) |
 copernicus.org/gmd-4-451-2011.pdf |
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| Zusammenfassung |
| 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. |
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