Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/gmd-2017-299
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Model description paper
05 Dec 2017
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Geoscientific Model Development (GMD).
A 1-Dimensional Ice-Pelagic-Benthic transport model (IPBM) v0.1: Coupled simulation of ice, water column, and sediment biogeochemistry
Shamil Yakubov1, Philip Wallhead2, Elizaveta Protsenko3,4, and Evgeniy Yakushev3,4 1Institute of Coastal Research, Helmholtz-Zentrum Geesthacht (HZG), Geesthacht, Germany
2Norwegian Institute for Water Research (NIVA vest), Thormøhlensgate 53 D, 5006, Bergen, Norway
3Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349, Oslo, Norway
4P.P.Shirshov Institute of Oceanology RAS, Nakhimovskiy prosp. 36, 117991, Moscow, Russia
Abstract. Aquatic biogeochemical processes can strongly interact, especially in polar regions, with processes occurring in adjacent ice and sediment layers, yet there are few modelling tools to simulate these systems in a fully coupled manner. We developed a 1-Dimensional Ice-Pelagic-Benthic transport model (IPBM) for coupled simulation of ice, water column, and upper sediment biogeochemistry. IPBM describes the processes of diffusion and particle sinking in both ice and water, as well sedimentation and bioturbation processes in the sediments. To describe ice, pelagic, and benthic biogeochemical dynamics (reaction terms), IPBM was partly coupled to the European Regional Seas Ecosystem Model (ERSEM) and partly to the Bottom RedOx Model biogeochemistry module (BROM-biogeochemistry) using the Framework for Aquatic Biogeochemical Models (FABM). To test the coupled system, hydrophysical forcing for a site in the Kara Sea area from a Regional Oceanic Modeling System (ROMS) simulation was used. The test run showed reasonable results for all main variables. IPBM reproduces the ice algae bloom in July followed by a pelagic phytoplankton bloom in August–September, as well as seasonal variability of nutrients in the water column.

Citation: Yakubov, S., Wallhead, P., Protsenko, E., and Yakushev, E.: A 1-Dimensional Ice-Pelagic-Benthic transport model (IPBM) v0.1: Coupled simulation of ice, water column, and sediment biogeochemistry, Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2017-299, in review, 2017.
Shamil Yakubov et al.
Shamil Yakubov et al.
Shamil Yakubov et al.

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Short summary
Aquatic biogeochemical processes can strongly interact, especially in polar regions, with processes occurring in adjacent ice and sediment layers, yet there are few modelling tools to simulate these systems in a fully coupled manner. We have developed a 1D transport model that allows simultaneous simulation of the biogeochemistry of 3 different media: ice, water, and sediments. Description of transportation processes in ice, water, and sediments for both solutes and solids was provided.
Aquatic biogeochemical processes can strongly interact, especially in polar regions, with...
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