Articles | Volume 14, issue 7
Model description paper
05 Jul 2021
Model description paper |  | 05 Jul 2021

Inclusion of a suite of weathering tracers in the cGENIE Earth system model – muffin release v.0.9.23

Markus Adloff, Andy Ridgwell, Fanny M. Monteiro, Ian J. Parkinson, Alexander J. Dickson, Philip A. E. Pogge von Strandmann, Matthew S. Fantle, and Sarah E. Greene

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Cited articles

Allègre, C. J., Louvat, P., Gaillardet, J., Meynadier, L., Rad, S., and Capmas, F.: The fundamental role of island arc weathering in the oceanic Sr isotope budget, Earth Planet. Sc. Lett., 292, 51–56,, 2010. a, b
Angino, E. E. and Billings, G. K.: Lithium content of sea water by atomic absorption spectrometry, Geochim. Cosmochim. Ac., 30, 153–158,, 1966. a, b, c, d, e, f, g
Angino, E. E., Billings, G. K., and Andersen, N.: Observed variations in the strontium concentration of sea water, Chem. Geol., 1, 145–153,, 1966. a, b, c, d, e, f, g, h, i
Baskaran, M.: Handbook of environmental isotope geochemistry, Springer Science & Business Media, Berlin, Heidelberg, ISBN: 9783642106361, 2011. a, b
Basu, A. R., Jacobsen, S. B., Poreda, R. J., Dowling, C. B., and Aggarwal, P. K.: Large groundwater strontium flux to the oceans from the Bengal Basin and the marine strontium isotope record, Science, 293, 1470–1473,, 2001. a, b
Short summary
We present the first representation of the trace metals Sr, Os, Li and Ca in a 3D Earth system model (cGENIE). The simulation of marine metal sources (weathering, hydrothermal input) and sinks (deposition) reproduces the observed concentrations and isotopic homogeneity of these metals in the modern ocean. With these new tracers, cGENIE can be used to test hypotheses linking these metal cycles and the cycling of other elements like O and C and simulate their dynamic response to external forcing.