Modeling and Simulation; Earth and Planetary Sciences (all)
Abstract :
[en] This paper describes the ocean BiogeochemicAl Model for Hypoxic and Benthic Influenced areas (BAMHBI). BAMHBI is a moderate complexity marine biogeochemical model that describes the cycling of carbon, nitrogen, phosphorus, silicon and oxygen through the marine foodweb. It involves 22 state variables, extends from bacteria up to mesozooplankton and includes three phytoplankton functional types (PFTs), two zooplankton size-classes, a microbial loop with several classes of detritic materials. Five optional modules are available allowing to extend the model with the explicit modelling of Chlorophyll a (Chl a) in each PFT, benthic degradation, gelatinous dynamics, particles aggregation and the carbonate system. BAMHBI describes the degradation of organic matter according to oxygenation conditions using an approach similar to that used in the sediment to simulate early diagenesis. The model is particularly appropriate for modelling low oxygen environments and the generation of sulfidic waters. An optional benthic module solves the degradation of sedimentary organic matter and the benthic-pelagic fluxes of solutes using an efficient formulation based on meta-modelling. This paper describes in details model formulations, implementation and coupling with the physics. BAMHBI’s code is written in Fortran and can be coupled with many hydrodynamical models. Two case studies of application of BAMHBI in the Black Sea are described. One describes the application of BAMHBI to simulate the biogeochemical dynamics of the northwestern shelf during the eutrophication period. In particular, the ability of BAMHBI to simulate the oxygen dynamics at seasonal and interannual scales is assessed with a focus on the simulation of bottom hypoxia. We highlight the results of the benthic modelling module and its ability to represent benthic-pelagic fluxes. The second case study compares the BAMHBI simulated Chl a, oxygen and nitrate dynamics in the deep sea with respect to biogeochemical Argo.
Research Center/Unit :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège SPHERES - ULiège
Disciplines :
Earth sciences & physical geography
Author, co-author :
Grégoire, Marilaure ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Vandenbulcke, Luc ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Chevalier, Séverine ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > MAST (Modeling for Aquatic Systems)
Choblet, Mathurin ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Drozd, Ilya ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Grailet, Jean-François ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > MAST (Modeling for Aquatic Systems)
Ivanov, Evgeny ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > MAST (Modeling for Aquatic Systems)
Macé, Loïc ; Université de Liège - ULiège > Faculté des Sciences > Form. doct. sc. (océano. paysage)
Verezemskaya, Polina ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Yu, Haolin ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Alaerts, Lauranne ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Randresihaja, Ny Riana ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Mangeleer, Victor ; Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
de Noordhout, Guillaume Maertens ; MAST-FOCUS, Astrophysics, Geophysics and Oceanography Department, University of Liège, Liège, Belgium
Capet, Arthur ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > GeoHydrodynamics and Environment Research (GHER) ; ECOMOD, Royal Belgian Institute of Natural Sciences, Brussels, Belgium ; B-Geosys, Université Libre de Bruxelles, Brussels, Belgium
Meulders, Catherine ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > MAST (Modeling for Aquatic Systems)
Mouchet, Anne ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > GeoHydrodynamics and Environment Research (GHER)
Munhoven, Guy ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Soetaert, Karline; Estuarine and Delta System, NIOZ, Yerseke, Netherlands
HE - 101081273 - NECCTON - New Copernicus capability for trophic ocean networks H2020 - 101000240 - BRIDGE-BS - Advancing Black Sea Research and Innovation to Co-Develop Blue Growth within Resilient Ecosystems HE - 101216427 - BioGeoSea - Enhancing Biogeochemical Essential Ocean Variables for European and Global Assessments
Name of the research project :
FULLCONTINUUM CE2COAST MITHO
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture F.R.S.-FNRS - Fonds de la Recherche Scientifique ESA - European Space Agency ANR - Agence Nationale de la Recherche European Union
Funding number :
T010221F; 4000142100/23/I-DT
Funding text :
Computational resources have been provided by the Consortium des Équipements de Calcul Intensif en Fédération Wallonie Bruxelles (CECI) funded by the Fonds de la Recherche Scientifique (F.R.S.-FNRS) under convention 2.5020.11. MG, LV, ID, EI, LM, PV, HY, AM, CM acknowledge the support from the Copernicus Marine Environmental and Monitoring service CMEMS, the Horizon Europe NECCTON project under grant agreement no. 101081273, EU H2020 BRIDGE-BS project under grant agreement no. 101000240. SC, MC and LA are supported by the Fonds pour la formation \u00E0 la Recherche dans l\u2019Industrie et dans l\u2019Agriculture (FRIA/FNRS). EI and RN have been supported by the project FULLCONTINUUM funded by the Fonds de la Recherche Scientifique\u2013FNRS (T010221F), CM and EI were funded by the CE2COAST project funded by ANR (FR), BELSPO (BE), FCT (PT), IZM (LV), MI (IE), MIUR (IT), Rannis (IS), IRP MAST (Multiscale Adaptive Strategies) and RCN (NO) through the 2019 \u201CJointTransnational Call on Next Generation Climate Science in Europe for Oceans\u201D initiated by JPI Climate and JPI Oceans. VM is supported by the ESA MITHO project funded under the Contract No. 4000142100/23/I-DT and the Horizon Europe BIOGEOSEA under grant agreement Grant agreement ID: 101216427. GM is a Research Associate with the Fonds de la Recherche Scientifique–FNRS.MG, LV, ID, EI, LM, PV, HY, AM, CM acknowledge the support from the Copernicus Marine Environmental and Monitoring service CMEMS, the Horizon Europe NECCTON project under grant agreement no. 101081273, EU H2020 BRIDGE-BS project under grant agreement no. 101000240. SC, MC and LA are supported by the Fonds pour la formation à la Recherche dans l'Industrie et dans l'Agriculture (FRIA/FNRS). EI and RN have been supported by the project FULLCONTINUUM funded by the Fonds de la Recherche Scientifique–FNRS (T010221F), CM and EI were funded by the CE2COAST project funded by ANR (FR), BELSPO (BE), FCT (PT), IZM (LV), MI (IE), MIUR (IT), Rannis (IS), IRP MAST (Multiscale Adaptive Strategies) and RCN (NO) through the 2019 "JointTransnational Call on Next Generation Climate Science in Europe for Oceans" initiated by JPI Climate and JPI Oceans. VM is supported by the ESA MITHO project funded under the Contract No. 4000142100/23/I-DT and the Horizon Europe BIOGEOSEA under grant agreement Grant agreement ID: 101216427. GM is a Research Associate with the Fonds de la Recherche Scientifique–FNRS.Computational resources have been provided by the Consortium des Équipements de Calcul Intensif en Fédération Wallonie Bruxelles (CECI) funded by the Fonds de la Recherche Scientifique (F.R.S.–FNRS) under convention 2.5020.11.
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