Presentation on theme: "21. Jan 20141Martin M. L., Jesper H.A. Hazardous substance assessment tool CHASE 2.0 A first assessment of Hazardous substances in the North Sea, a presentation."— Presentation transcript:
21. Jan 20141Martin M. L., Jesper H.A. Hazardous substance assessment tool CHASE 2.0 A first assessment of Hazardous substances in the North Sea, a presentation for the Marine Strategy 2012 conference (Originally by Norman Green, NIVA 16 may 2012)
21. Jan 20142Martin M. L., Jesper H.A. The origin of CHARM CHARM was first developed as a parallel to the HELCOM Eutrophication Assessment Tool (HEAT) used to integrate the different parameters used in HELCOM when assessing eutrophication. This was a spreadsheet model where each number was manually entered! Then it was further developed for a subarea of the North Sea in the Harmony project (Denmark, Norway, Germany), with calculations based on a database.
21. Jan 20143Martin M. L., Jesper H.A. Study area - Data overview
21. Jan 20144Martin M. L., Jesper H.A. Station and matrices
21. Jan 20145Martin M. L., Jesper H.A. Available data(2003 to 2010) ~1155 sediment locations ~79 fish locations ~123 blue mussel locations ~82 gastropod locations (Imposex) 1 tail muscle (shrimp)
21. Jan 20146Martin M. L., Jesper H.A. Data sources EIONET/Waterbase_TCM_v7: All sediment and biota data except Norwegian OSPAR: All imposex data Norwegian CEMP database Norwegian MOD database (offshore installasjons) NIFES: Additional Norwegian fish data (2010) IMR: Additional Norwegian fish and sediment data Danish Operators: Pb and Cd data in Sediment in Danish waters
21. Jan 20147Martin M. L., Jesper H.A. Aggregation of stations into ”assessment units (AU)” Stations divided into two groups: - Coastal( 20 km from shore) Open Sea stations aggregated in 62 80x80 km AUs Coastal stations aggregated in 189 20x20 km AUs
21. Jan 20148Martin M. L., Jesper H.A. Open Sea Stations 62 80x80km AUs
21. Jan 20149Martin M. L., Jesper H.A. Coastal stations 189 20x20km AUs
21. Jan 201410Martin M. L., Jesper H.A. Coastal stations 20x20km AUs – detail Preliminary Final status for sediment
21. Jan 201411Martin M. L., Jesper H.A. Threshold values -Environmental Assessment Criteria (EAC) from Agreement on CEMP Assessment Criteria for the QSR 2010 (2009-2) and including update from December 2011 -Effects Range Low (ERL) (US-EPA) used for PAH and metals in sediments as recommended (no EAC defined yet) -IMPOSEX threshold from OSPAR ASMO 2004 (species dependent) -EMODNET: EU WFD criteria?
21. Jan 201412Martin M. L., Jesper H.A. Substances/matrices/bases Sediment/metals (Pb, Cd, Hg): dw to 5% Al Sediment/POPs (PCB/PAH): dw to 2.5% TOC Fish liver/POPs (PCB): lipid basis Blue Mussel/POPs (PCB/PAH/TBT): dw Blue Mussel/metals: dw Water not used
21. Jan 201413Martin M. L., Jesper H.A. Example CHASE 2.0 spreadsheet: Coastal ( quadrate 22-4 ) Status values are median of year/station/ assessment unit (nested) High Moderate Bad
21. Jan 201415Martin M. L., Jesper H.A. Preliminary Final status (all matrices)
21. Jan 201416Martin M. L., Jesper H.A. Preliminary Final status (sediment)
21. Jan 201417Martin M. L., Jesper H.A. Preliminary Final status (biota)
21. Jan 201418Martin M. L., Jesper H.A. Preliminary Final status (biological effects status)
21. Jan 201419Martin M. L., Jesper H.A. Coastal: substance count
21. Jan 201420Martin M. L., Jesper H.A. Coastal: station count
21. Jan 201421Martin M. L., Jesper H.A. Open sea: substance count
21. Jan 201422Martin M. L., Jesper H.A. Open sea: station count
21. Jan 201423Martin M. L., Jesper H.A. Status summary
21. Jan 201424Martin M. L., Jesper H.A. Primary cause of high ranking A)Percent of total B)Occurence in a.u. C)Frequency as highest
21. Jan 201425Martin M. L., Jesper H.A. Next steps Do a systematical confidence rating Quality assurance Include more substances? (database work is done for all available data, only need to add to substance list)
21. Jan 201426Martin M. L., Jesper H.A. Preliminary conlusions (1/2)... Sediment Generally good/high conditions in central North Sea, and moderate in parts of south North Sea and in coastal areas. The occurrence of “Poor” AUs was found only along the coast. The only “Bad” AU was coastal. Biota Good/High conditions in open ocean of western North Sea, and moderate in parts of south North Sea and in coastal areas. The occurrence of “Poor” AUs was found only along the coast. The only two “Bad” AUs were registered, both coastal.
21. Jan 201427Martin M. L., Jesper H.A. Preliminary conlusions (2/2)... Biological effects Observations were restricted to the coastal areas of Denmark, United Kingdom, Norway and Sweden with the exception of five offshore AUs. No “Bad” AUs which is good but the predomiance of “Moderate” AUs should be warning sign. Final Status Generally Moderate/Good/High conditions in central North Sea. A predominance of “High” on United Kingdom side mainly due to the results for biota. There is a predominance of “Moderate” AUs along the coast. The occurrence of “Poor” was found at coastal AUs. The three “Bad” AUs are still evident. The map seems to give a reasonable view of the quality of the North Sea.
21. Jan 201428Martin M. L., Jesper H.A. Conclusions and remarks Need to consider the balance in parameters/matrices used by each country Is there a need for region-specific thresholds? CHASE can easily be revised to take into account revised thresholds or preferred matrices. CHASE provides a robust and transparent means of assessing an aggregate of different contaminants/effects in different matrices.
21. Jan 201429Martin M. L., Jesper H.A. Emodnet Extensions Dataproduct for the EMODNET MFS data (incl. some fine-tuning) How do EMODNET see this – EMODNET report – DCE / AU Bioscience report – Or MARE chapter? The harmony project results will be peer reviewed published (soon hopefully)
21. Jan 201430Martin M. L., Jesper H.A. In cooperation with: Jesper Andersen (NERI) Martin Larsen (NERI) Tore Høgåsen (NIVA) and supported by: HARMONY and Norwegian Climate and Pollution Agency Thank you for your attention email@example.com
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