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Discussion papers
https://doi.org/10.5194/os-2018-161
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-2018-161
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 17 Jan 2019

Research article | 17 Jan 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Ocean Science (OS).

A CMEMS forecasting system for the marine ecosystem of IBI European waters

Elodie Gutknecht1, Guillaume Reffray1, Alexandre Mignot1, Tomasz Dabrowski2, and Marcos G. Sottilo1,3 Elodie Gutknecht et al.
  • 1Mercator Ocean, Parc Technologique du Canal, 8-10 rue Hermes, 31520 Ramonville St-Agne, France
  • 2Marine Institute, Rinville, Oranmore, Co. Galway, H91 R673, Ireland
  • 3Puertos del Estado, Av. Partenón, 10, 28042 Madrid, Spain

Abstract. As part of the Copernicus Marine Environment Monitoring Service (CMEMS), an operational ocean forecasting system was developed to monitor the ocean dynamics and marine ecosystems of the European waters; and more specifically on the IBI (Iberia-Biscay-Ireland) area. The CMEMS IBI physical-biogeochemical coupled system covers the North-East Atlantic Ocean from the Canary Islands to Iceland, including the North Sea and the Western Mediterranean, with a NEMO-PISCES 1/36° model application. Since its operational launch in April 2018, this CMEMS IBI system has provided a weekly short-term (7-days) forecast of the ocean dynamics and key biogeochemical variables of the marine ecosystem.

The main goal of this paper is to assess the performances of the IBI biogeochemical system, using a 7-year retrospective simulation that spans from 2010 to 2016. The model results are validated with available satellite and in situ observations from the International Council for the Exploration of the Sea (ICES), the European Marine Observation and Data Network (EMODnet) and the Biogeochemical-Argo float network. The simulation successfully reproduces the spatial distribution and seasonal cycles of oxygen, nutrients, chlorophyll-a, and net primary production. This simulation can be a useful tool to better understand the current state and changes in the marine biogeochemistry of European waters. It can also provide key variables for developing indicators to monitor the health of European marine ecosystems. These indicators may be of interest to scientists, policy makers, environmental agencies and the general public.

Elodie Gutknecht et al.
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Short summary
As part of the Copernicus Marine Environment Monitoring Service, an operational ocean forecasting system monitors the ocean dynamics and marine ecosystems of the European waters. This paper assesses the performances of the key biogeochemical variables (oxygen, nutrients, chl-a, primary production), using a 7-year retrospective simulation (2010–2016). The simulation can be used to better understand the current state, the changes and the health of European marine ecosystems.
As part of the Copernicus Marine Environment Monitoring Service, an operational ocean...
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