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Optimizing observational networks combining gliders, moored buoys and FerryBox in the Bay of Biscay and English Channel ArchiMer
Charria, Guillaume; Lamouroux, Julien; De Mey, Pierre.
Designing optimal observation networks in coastal oceans remains one of the major challenges towards the implementation of future efficient Integrated Ocean Observing Systems to monitor the coastal environment. In the Bay of Biscay and the English Channel, the diversity of involved processes (e.g. tidally-driven circulation, plume dynamics) requires to adapt observing systems to the specific targeted environments. Also important is the requirement for those systems to sustain coastal applications. Two observational network design experiments have been implemented for the spring season in two regions: the Loire River plume (northern part of the Bay of Biscay) and the Western English Channel. The method used to perform these experiments is based on the ArM...
Tipo: Text Palavras-chave: Design of in situ observation network; Bay of Biscay; English Channel; Glider; FerryBox.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00324/43545/43102.pdf
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Synthesis of new scientific challenges for GODAE OceanView ArchiMer
Schiller, Andreas; Bell, Mike; Brassington, Gary; Brasseur, Pierre; Barciela, Rosa; De Mey, Pierre; Dombrowsky, Eric; Gehlen, Marion; Hernandez, Fabrice; Kourafalou, Villy; Larnicol, Gilles; Le Traon, Pierre-yves; Martin, Matthew; Oke, Peter; Smith, Gregory C.; Smith, Neville; Tolman, Hendrik; Wilmer-becker, Kirsten.
The marine environment plays an increasingly important role in shaping economies and infrastructures, and touches upon many aspects of our lives, including food supplies, energy resources, national security and recreational activities. Global Ocean Data Assimilation Experiment (GODAE) and GODAE OceanView have provided platforms for international collaboration that significantly contribute to the scientific development and increasing uptake of ocean forecasting products by end users who address societal issues such as those listed above. Many scientific challenges and opportunities remain to be tackled in the ever-changing field of operational oceanography, from the observing system to modelling, data assimilation and product dissemination. This paper...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00284/39522/38015.pdf
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Objective design of coastal HF Radar networks using stochastic array modes (ArM toolbox) ArchiMer
Skandrani, Chafih; De Mey, Pierre; Charria, Guillaume.
In the framework of the European projects FP7 JERICO (http://www.jerico-fp7.eu/) and H2020 JERICO NEXT (http://www.jerico-ri.eu/), this study consisted in carrying out an objective design analysis of coastal HF radar networks with the ArM (Array Modes) method (Le Hénaff et al., 2009; Lamouroux et al., 2016; Charria et al., 2016). The ArM approach is a non-assimilative, data-model synergistic approach: it uses ensembles in response to known error sources to describe prior (model) uncertainties, and aims at quantitatively evaluating the performance of the observation network at detecting those uncertainties amidst observational noise.  The ArM analysis consists in calculating and interpreting spectra of the representer matrix, as well as modal representers,...
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00635/74726/74711.pdf
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