Articles | Volume 12, issue 10
Geosci. Model Dev., 12, 4469–4496, 2019
https://doi.org/10.5194/gmd-12-4469-2019
Geosci. Model Dev., 12, 4469–4496, 2019
https://doi.org/10.5194/gmd-12-4469-2019

Model description paper 24 Oct 2019

Model description paper | 24 Oct 2019

A lattice-automaton bioturbation simulator with coupled physics, chemistry, and biology in marine sediments (eLABS v0.2)

Yoshiki Kanzaki et al.

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Cited articles

Aller, R. C.: Quantifying solute distributions in the bioturbated zone of marine sediments by defining an average microenvironment, Geochim. Cosmochim. Ac., 44, 1955–1965, https://doi.org/10.1016/0016-7037(80)90195-7, 1980. 
Aller, R. C.: The effects of macrobenthos on chemical properties of marine sediment and overlying water, in: Animal-Sediment Relations, edited by: McCall, P. L. and Tevesz, M. J. S., Springer, 53–102, https://doi.org/10.1007/978-1-4757-1317-6_2, 1982. 
Aller, R. C.: Transport and reactions in the bioirrigated zone, in: The Benthic Boundary Layer: Transport Processes and Biogeochemistry, edited by: Boudreau, B. P. and Jørgensen, B. B., Oxford University Press, 269–301, 2001. 
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Arndt, S., Jørgensen, B. B., LaRowe, D. E., Middelberg, J. J., Pancost, R. D., and Regnier, P.: Quantifying the degradation of organic matter in marine sediments: A review and synthesis, Earth-Sci. Rev., 123, 53–86, https://doi.org/10.1016/j.earscirev.2013.02.008, 2013. 
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This paper provides eLABS, an extension of the lattice-automaton bioturbation simulator LABS. In our new model, the benthic animal behavior interacts and changes dynamically with oxygen and organic matter concentrations and the water flows caused by benthic animals themselves, in a 2-D marine-sediment grid. The model can address the mechanisms behind empirical observations of bioturbation based on the interactions between physical, chemical and biological aspects of marine sediment.