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Programme INTERREG III : STARDUST

VLIZ. Programme INTERREG III : STARDUST. Spatial and Temporal Assessment of high Resolution Depth Profiles Using Novel Sampling Technologies. Phase II Quality of water and sediment of the Schelde, the Leie, the Deule and the Spierre. Sampling expedition December 2003.

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Programme INTERREG III : STARDUST

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  1. VLIZ Programme INTERREG III : STARDUST Spatial and Temporal Assessment of high Resolution Depth Profiles Using Novel Sampling Technologies Phase II Quality of water and sediment of the Schelde, the Leie, the Deule and the Spierre

  2. Sampling expedition December 2003

  3. Location of the sampling sites

  4. Schelde: Helkijn

  5. Schelde: Antoing

  6. Schelde: Mortangne du Nord

  7. Schelde: Vieux Condé

  8. Schelde: Bruay sur Escaut

  9. Samples taken • Surface water: • Dissolved trace metals • Major ions • Suspended matter concentrations • Sediments (bulk sediments) • Trace metals • Major ions • Organic matter

  10. Dissolved metals

  11. Dissolved trace metals

  12. Dissolved metals

  13. Dissolved metals

  14. Dissolved trace metals

  15. Dissolved trace metals

  16. Sediments

  17. Sediments

  18. Sediments

  19. Choice of future sampling stations for Phase II • L’Escaut / Schelde : • Helkijn (station 5) • Bassin Rond (station 11) • La Deûle / Deule : • Deulemont (station 14) • Metal Europe (station 19) • La Lys / Leie : • Warneton (station 16) • Menen (station 18)

  20. Timing of sampling • March-April 2004: spring • June-July 2004: summer • September-October 2004: autumn • December-January 2005: winter

  21. Parameters to be analysed in Phase II • First expedition: thorough characterisation of sediments • Porewaters: • pH • Redox • Alcalinity • DOC • NO3-, NO2-, SO4 2- , Cl, NH4+, PO4 3- • Dissolved S • Fe 2+ • Trace metals • Hg speciation • DGT/DET: trace metals, (Hg speciation), ... • Sediments • POC • Hg/MMHg • Trace metals/ major ions • AVS/CRS • Sequential extractions

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