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HIGH FREQUENCY MONITORING IN THE SOMLIT NETWORK

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Presentation on theme: "HIGH FREQUENCY MONITORING IN THE SOMLIT NETWORK"— Presentation transcript:

1 HIGH FREQUENCY MONITORING IN THE SOMLIT NETWORK
WIMEREUX SOMLIT LUC / MER ROSCOFF BREST Eva Bucciarelli (IUEM), Renaud Vuillemin (OCBM), ?, and SOMLIT network HIGH FREQUENCY MONITORING IN THE SOMLIT NETWORK ARCACHON/ BORDEAUX VILLEFRANCHE / MER MARSEILLE BANYULS

2 SOMLIT OBJECTIVES (bi-monthly samplings):
WIMEREUX LUC / MER ROSCOFF BREST WHY USING HIGH FREQUENCY (~HOURLY) SAMPLINGS ? - taking into account local impacts on SOMLIT station - understanding fine temporal scale processes - recording extreme events ARCACHON/ BORDEAUX VILLEFRANCHE / MER MARSEILLE BANYULS

3 - LOCAL IMPACTS AT SOMLIT SAMPLING SITE :
Other parameters / extreme events e.g.: Rhône plume at SOMLIT Marseille WIMEREUX LUC / MER ROSCOFF BREST e.g.: river discharge at SOMLIT Brest: nitrates correlate with salinity and high frequency salinity is recorded at MAREL-IRoise ARCACHON/ BORDEAUX VILLEFRANCHE / MER MARSEILLE BANYULS

4 - UNDERSTANDING FINE TEMPORAL SCALE PROCESSES:
SOMLIT - UNDERSTANDING FINE TEMPORAL SCALE PROCESSES: Towards a better understanding of the ecosystems functioning and physical / biogeochemical modelling: WIMEREUX LUC / MER ROSCOFF E.g.: nitrate variability (one of the main driver of primary productivity in coastal ecosystems) on the California Coast (Prien et al., 2007) E.g.: nitrate variability (one of the main driver of primary productivity in coastal ecosystems) on the California Coast (Prien et al., 2007) BREST 1 analysis/hour 1 analysis every 3 days 1 analysis per week ARCACHON/ BORDEAUX ( VILLEFRANCHE / MER E.g.: Estuarine Turbidity Maximum Oxygen Model (ETNOM) to be developed at UMR 5805 (Arcachon/Bordeaux site) MARSEILLE BANYULS

5 WHAT ABOUT MARINE ECOSYSTEMS?
SOMLIT - RECORDING EXTREME EVENTS: Because extreme climatic events are predicted to increase in frequency and magnitude in response to anthropogenically enhanced greenhouse forcing (e.g.: Diffenbaugh et al., PNAS, ) « extreme precipitation is enhanced over coastal areas dominated by convective precipitation » They cause large, rapid population and community-level changes (e.g.: extreme flood events affected a desert rodent community, Thibault and Brown, PNAS, 2008): « Captured by chance through long-term monitoring, the impacts of such large, infrequent events provide unique insights into the processes that structure ecological communities. » WHAT ABOUT MARINE ECOSYSTEMS? WIMEREUX LUC / MER ROSCOFF BREST ARCACHON/ BORDEAUX VILLEFRANCHE / MER MARSEILLE BANYULS

6 Moored automated systems in the SOMLIT network
Already recording Recording soon 2 sites Estacade - ASTAN): T, conductivity, O2, CO2, fluorescence, Meteorology WIMEREUX LUC / MER ROSCOFF BREST 1 site (MAREL buoy): T, conductivity, pH, O2, CO2, fluorescence, turbidity, nutrients ARCACHON/ BORDEAUX 1 site: T, conductivity, fluorescence, nutrients 1 site (EOL buoy): T, conductivity, O2 4 sites (MAGEST network): T, conductivity, O2, turbidity VILLEFRANCHE / MER 1 site: (MOLA buoy) T, conductivity, turbidity, fluorescence, nutrients MARSEILLE BANYULS

7 Suspended Particulate Matter POC, PON + C and N isotopes
BREST WIMEREUX ROSCOFF BANYULS MARSEILLE VILLEFRANCHE / MER ARCACHON/ BORDEAUX SOMLIT LUC / MER SOMLIT PARAMETERS Temperature Salinity pH O2 Nutrients chlorophyll a Suspended Particulate Matter POC, PON + C and N isotopes pico-nano-plankton HF PARAMETERS Temperature/Conductivity (Arcachon, Banyuls, Brest, Villefranche, Marseille,Roscoff) pH (Brest) O2 (Arcachon, Brest, Villefranche, Marseille) Nutrients (Banyuls, Brest, Marseille) Fluorescence (Banyuls, Brest, Marseille, Roscoff) Turbidity (Arcachon, Banyuls, Brest) Other parameters : PCO2 (oceanic+atm: Brest) Atmospheric parameters (PAR, T, P, wind speed, atmospheric inputs...: Banyuls, Brest, Villefranche, Marseille)

8 HF PARAMETERS SENSORS/ANALYZERS
BREST WIMEREUX ROSCOFF BANYULS MARSEILLE VILLEFRANCHE / MER ARCACHON/ BORDEAUX SOMLIT LUC / MER HF PARAMETERS Temperature/Conductivity (Arcachon, Banyuls, Brest, Villefranche, Marseille, Roscoff) pH (Brest) O2 (Arcachon, Brest, Villefranche, Marseille) Nutrients (Banyuls, Brest, Marseille) Fluorescence (Banyuls, Brest, Marseille,Roscoff) Turbidity (Arcachon, Banyuls, Brest) PCO2 (oceanic+atm: Brest) Atmospheric parameters (PAR, T, P, wind speed, atmospheric inputs...: Banyuls, Brest, Villefranche, Marseille) SENSORS/ANALYZERS LIQUISYS-M CLM 253, Seabird SBE 16, Endress-Hauser, Seabird SBE 3, Seabird Endress-Hauser LIQUISYS-M COM 253, Endress-Hauser, Seabird SBE 43, Seabird SYSTEA WIZ, CHEMINI, SYSTEA or ECOLAB Seabird SBE 16, Seapoint, Seabird LIQUISYS-M CUM 253, Seabird SBE 16, Endress-Hauser CARIOCA + LICOR 840 AIRMAR weather station, Weather station, QSP – 2200PD, Auris (Degreanne) weather station, MTX Italia impactor

9 Agence de l’Eau Adour-Garonne 3 EPTB (SMIDDEST, SMEAG, EPIDOR)
SOMLIT WHO PAYS? Already recording Recording soon WIMEREUX LUC / MER OSU ROSCOFF BREST OSU IUEM IFREMER INSU (pCO2) ARCACHON/ BORDEAUX INSU/OSU + local fundings MAGEST Consortium : Agence de l’Eau Adour-Garonne 3 EPTB (SMIDDEST, SMEAG, EPIDOR) EDF and GPMB OSU/PPF Université/ CETSM VILLEFRANCHE / MER MARSEILLE UMS Laboratoire Arago BANYULS

10 Access restricted to the members of the MAGEST consortium
SOMLIT WHERE ARE THE DATA? Already recording recording soon WIMEREUX LUC / MER OSU ROSCOFF BREST BDD IFREMER (raw data) + IUEM (processed data) Free access: form to fill ARCACHON/ BORDEAUX BDD MAGEST Access restricted to the members of the MAGEST consortium VILLEFRANCHE / MER BDD Laboratoire Arago Free access (form to fill) MARSEILLE BANYULS

11 To compare: 50 coastal moorings at Woods Hole...
BREST WIMEREUX ROSCOFF BANYULS MARSEILLE VILLEFRANCHE / MER ARCACHON/ BORDEAUX SOMLIT LUC / MER REQUIREMENTS: Need for a wider use of the data (better communication and easier access) Staff and funding needed (technical work and data processing) QUESTION: is the development of a network of moored automated systems a priority in France ? To compare: 50 coastal moorings at Woods Hole...

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