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Technologies & methodologiesfor operational systems ENEA, CNR, DMI, Ifremer Annual Meeting – Athens 2008
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The Framework WP7 - Synergy between coastal forecasting and newly available data and methodologies (a step towards next generation forecasting systems) –T7.1 - The observing systems
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Environmental regions A complex environment composed by different biogeographical areas: coastal, shelf and open sea. Shelf areas - two boundary layers: – near the coast – on the shelf break
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Objective Define new strategies and technologies for a multi-purpose, multi-disciplinary, multiplatform integrated shelf-costal observing system. – Review existing technologies and sampling strategies – Provide a preliminary design of an operational observing system – Use the experience carried out at regional level
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Activities S7.1.1 - System analysis – Review existing technologies and sampling strategies S7.1.2 - System design Provide a preliminary design of an operational observing system based on model requirements
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Elements Any operational monitoring system must be based on technology and methodology Technology: for data collection and transmission Methodology: monitoring design
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Review of techn. Review of existing technologies, possible implementation New technologies
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SEPTR - this new apparatus has the ability of vertical profiling (CTD and ADCP) also in the risky coastal environment, where human activities always harm oceanographic studies. http://www.nurc.nato.int/res earch/septr.htm
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New techn. PAGODE and RecoPesca are new technologies under testing by Ifremer and CNR Ifremer will test the PAGODE in the IBI- ROOS area 4 cm
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Sampling strategies The marine environment is dramatically under sampled, and any proposed strategy could be not satisfactory. There is a need to have an oversampling that allows to select the areas were major changes are detected and where measurement stations must be placed.
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Sampling His proposed a method that is based on a “synthetic oversampling”, in which random stations are created by using historical data with statistical constraints. The methods starts from She et al. (ODON) Original stations Synthetic stations
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Sampling
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Original dataSynthetic data temperature
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Original dataSynthetic data Salinity
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Sampling density based on high variability Qualitatively Read areas = more stations Blue areas = few stations
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Assessment of the method Independent data sets –Comparison with satellite SST has been done –Encouraging results, but need more tests
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Deliverables D7.1.1.1 Review of the existing sampling methodologies in the European regional seas PU 6* D7.1.1.2 Definition of new operational methodologies for multiparametric measurements PU 12 D7.1.1.3 Design of long term monitoring system: technology PU 18* *Combined in one report
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