Modelling Marine Sediment Biogeochemistry: Current Knowledge Gaps, Challenges, and Some Methodological Advice for Advancement.

Lessin, Gennadi, Artioli, Yuri, Almroth-Rosell, Elin, Blackford, Jerry C., Dale, Andrew W. , Glud, Ronnie N., Middelburg, Jack J., Pastres, Roberto, Queirós, Ana M., Rabouille, Christophe, Regnier, Pierre, Soetaert, Karline, Solidoro, Cosimo, Stephens, Nicholas and Yakushev, Evgeniy (2018) Modelling Marine Sediment Biogeochemistry: Current Knowledge Gaps, Challenges, and Some Methodological Advice for Advancement. Open Access Frontiers in Marine Science, 5 . Art.No. 19. DOI 10.3389/fmars.2018.00019.

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The benthic environment is a crucial component of marine systems in the provision of ecosystem services, sustaining biodiversity and in climate regulation, and therefore important to human society. With the contemporary increase in computational power, model resolution and technological improvements in quality and quantity of benthic data, it is necessary to ensure that benthic systems are appropriately represented in coupled benthic-pelagic biogeochemical and ecological modelling studies. In this paper we focus on five topical challenges related to various aspects of modelling benthic environments: organic matter reactivity, dynamics of benthic-pelagic boundary layer, microphytobenthos, biological transport and small-scale heterogeneity, and impacts of episodic events. We discuss current gaps in their understanding and indicate plausible ways ahead. Further, we propose a three-pronged approach for the advancement of benthic and benthic-pelagic modelling, essential for improved understanding, management and prediction of the marine environment. This includes: (A) development of a traceable and hierarchical framework for benthic-pelagic models, which will facilitate integration among models, reduce risk of bias, and clarify model limitations; (B) extended cross-disciplinary approach to promote effective collaboration between modelling and empirical scientists of various backgrounds and better involvement of stakeholders and end-users; (C) a common vocabulary for terminology used in benthic modelling, to promote model development and integration, and also to enhance mutual understanding.

Document Type: Article
Keywords: Benthic modelling, Benthic-pelagic coupling, Bottom boundary layer, Microphytobenthos, Organic matter, Recovery, Sediment biogeochemistry, Spatial heterogeneity
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems
OceanRep > SFB 754
OceanRep > SFB 754 > B1
Refereed: Yes
Open Access Journal?: Yes
Publisher: Frontiers
Projects: SFB754
Date Deposited: 06 Mar 2018 09:23
Last Modified: 08 Feb 2021 07:39

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