Objetivo
The objectives are: to specify the sources and pathways of natural and anthropogenic organic and inorganic compounds (including nutrients) in the European coastal environment; to investigate the mechanisms and rates of the processes which are controlling both the land sea air exchanges and the internal cycling and fluxes of these compounds in coastal waters; and to develop process specific (eg regarding eutrophication processes) and regional biogeochemical models to predict the long term consequences of man induced changes.
This description concerns phase II of the interdisciplinary long term research project EROS 2000 which is studying biochemical cycles at the land ocean interface and in the European coastal environment. The project had been initiated under the 4th environment resaerch and development programme and been implemented in the northwest Mediterranean (Gulf of Lions) as the pilot zone.
The investigations of the biogeochemical cycles in the northwest Mediterranean will be continued (and completed) during project phase II. Both inputs from the atmosphere and from the Rhone and Ebro rivers will be determined. Internal cycles of natural and anthropogenic elements and compounds will be studied during seagoing and estuarine research cruises.
The following gives a summary of investigations performed by the project partners.
Completion of a 3-dimensional nearfield model of the Rhone plume. Specification, design and selection, implementation of a database for the EROS project.
Very high frequency(VHF) radar measurements for the nearfield model calibration.
Completion of the GHER 3-dimensional hydrodynamic model in order to better understand the river and shelf, shelf and ocean exchanges, the atmospheric forcing and the impact of biogeochemical processes.
Provision of appropriate data in order to integrate the atmospheric forcing in the hydrodynamic model.
Development of biogeochemical and ecological flux models of an increasing degree of complexity, in connection with the hydrodynamic models development.
Remote sensing of the spatiotemporal evolution of the Rhone plume, the eutrophication induced by nutrients input and its impact on primary production.
Input and fates of organic biomarkers including hydrocarbons, lignin, sterols, pigments. Cycle of nitrogen, denitrification processes, nutrients fluxes and eutrophication, new production versus recycled production of nitrogen, influence of air and sea exchanges.
Role of living particles in marine biogeochemical cycles, investigations on pigments fluorescence using flow cytometry.
Bacterial processes and mineralization of organic detritus in deep sediments and additionally, extension of the ongoing investigations in the Ebro delta region.
Organic carbon in the Gulf of Lions with emphasis on flocculation of dissolved organic carbon associated with the Rhone river input, including investigations of the plume and nepheloid layer.
Marine primary production study including carbon-14 measurements and, additionally, monitoring of the Rhone river input of nutrients.
Organic matter in the water and sediments including hydrocarbons and fatty acids (with emphasis on the Rhone Delta) and, additionally, atmospheric input of organic compounds (investigations at the Cap Ferrat Station).
Labile organic matter in water and sediment based on carbohydrates and amino acids analysis, including atmospheric input.
Mass balance of nutrients in the Gulf of Lions, taking into account the Ebro discharge and the atmospheric input.
Organic matter in the coastal zone with emphasis on the impact of the Ebro input and additionally, atmospheric input of organic compounds (investigation at the Mallorca Station).
Maintenance of atmospheric station at Palma de Mallorca and analysis of inorganic compounds in rain and aerosols.
Primary production and influence of bacteria on production and consumption of oxygen and carbon dioxide.
Biogeochemical cycling of dissolved and particulate trace metals in the water column. Tentatively, measurements of chromium and tin in addition to trace metals taken into account in EROS phase I.
Photochemical processes affecting iron and manganese distribution in the marine environment.
Trace metals and nutrients in sediments and pore waters.
Sources, sinks and transfer of trace metals from the dissolved to the particulate phase in relation to biological incorporation.
Speciation of trace metals.
Rhone river input of dissolved and particulate trace elements. Investigations on trace metals speciation using chelating resins, competitive complexation and data processing anodic stripping voltammetry(DPASV) techniques.
Investigations on the atmospheric input and its spatiotemporal variations with emphasis on Saharan dust and nutrients in relation to marine primary production.
Atmospheric sampling at Cap Ferrat station and analysis of trace metals input.
Collection of the atmospheric input on board a ship platform moored off Monaco and biological production analysis.
Implementation of an atmospheric sampling station in Sardinia, in order to investigate the concentrations and fluxes of trace metals and the input of Saharan dust.
Study of the atmospheric input of trace metals; the interactions of aerosols components in the water column and their effects on the chemistry of the mixed layer.
Ámbito científico (EuroSciVoc)
CORDIS clasifica los proyectos con EuroSciVoc, una taxonomía plurilingüe de ámbitos científicos, mediante un proceso semiautomático basado en técnicas de procesamiento del lenguaje natural. Véas: El vocabulario científico europeo..
CORDIS clasifica los proyectos con EuroSciVoc, una taxonomía plurilingüe de ámbitos científicos, mediante un proceso semiautomático basado en técnicas de procesamiento del lenguaje natural. Véas: El vocabulario científico europeo..
- ciencias naturales ciencias químicas química inorgánica compuestos inorgánicos
- ciencias naturales ciencias químicas química inorgánica metales de transición
- ciencias naturales ciencias químicas química orgánica hidrocarburo
- ciencias naturales ciencias biológicas bioquímica biomoléculas lípidos
- ciencias naturales ciencias químicas química orgánica aminas
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Régimen de financiación
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Régimen de financiación (o «Tipo de acción») dentro de un programa con características comunes. Especifica: el alcance de lo que se financia; el porcentaje de reembolso; los criterios específicos de evaluación para optar a la financiación; y el uso de formas simplificadas de costes como los importes a tanto alzado.
Coordinador
92120 Montrouge
Francia
Los costes totales en que ha incurrido esta organización para participar en el proyecto, incluidos los costes directos e indirectos. Este importe es un subconjunto del presupuesto total del proyecto.