Seite 124.01.2016 Foto Pulkau Foto Gebirgsbach General chemical and physico- chemical elements – Type-specific assessment of rivers in Austria Karin Deutsch.

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Presentation transcript:

Seite Foto Pulkau Foto Gebirgsbach General chemical and physico- chemical elements – Type-specific assessment of rivers in Austria Karin Deutsch BMLFUW VII 1

2 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch WFD Annex V – Quality elements for the classification of ecological status  Biological elements  Hydromorphological elements  Chemical and physico-chemical elements supporting the biological elements  General Thermal conditions Oxygen conditions Salinity Acidification status Nutrient conditions  Specific pollutants Introduction/1

3 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Introduction/2 WFD Annex V Tab Normative definitions Physico-chemical quality elements General conditions High status: … elements correspond totally or near totally to undisturbed conditions Good status: … range established to ensure functioning of the type specific ecosystem … ensure achievment of the values specified for the biological quality elements Ecological Classification Guidance (ECOSTAT 11/2003)

4 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch General approach Formulation of quality standards based on - existing monitoring data - WFD typology - assessment of biological quality elements with WFD compliant methods  Makroinvertebrates – saprobic index as indicator for organic pollution  Phytobenthos – trophic index as indicator for nutrient pollution  Fish Project: Norbert Kreuzinger Institute for Water Quality, Resources and Waste Management Technical University Vienna

6 Ecoregions abiotische Typisierung Biological revision 15 bioregions with further differentiation SI / TI / fish WFD Annex II - Typology

6 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Typology Macroinvertebrates Saprobic index – reference condition

7 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Saprobic index high/good

8 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Typology Phytobenthos Trophic index – reference condition

9 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Trophic index high/good

10 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Data base Monitoring data of 240 monitoring sites including reference sites for high and good status 2003 – 2005 Makroinvertebrate, Phytobenthos Chemistry monthly

11 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Physico chemical quality elements – selection of parameters General chemical and physico-chemical element Parameter High/good based on Oxygenation conditionsBOD5, (Oxygen saturation)Macroinvertebrate – Saprobic index Nutrient conditionsNO3-NMacroinvertebrate – Saprobic index Soluble reactive phosphor Phythobenthos – Trophic index SalinityChloridMacroinvertebrate – Saprobic index, Fish Acidification statuspHFish (CD 78/659/EEC) (Acid Neutralising Capacity) Thermal conditions°CFish

12 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Oxygenation conditions – BOD5 General chemical and physico-chemical element Parameter High/good based on Oxygenation conditionsBOD5Macroinvertebrate – Saprobic index Data Processing Evaluation BOD/SI for each bioregion and high/good selection of monitoring sites which lie within the range boundary - 0,125 SI  focus of the definition of boundary values

13 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Selection of relevant sites Monitoring siteBioregionSI reference High/good SI observedSite used for standard determination FW Südalpen1,5/2,031,8No – not within the range FW Südalpen1,5/2,031,4Yes - high

14 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch BOD – 90 percentile BOD mg/l Statistical data not available for all types

15 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Clusteranalysis  Clusteranalysis identifies similar bioregions  Expertjudgment

16 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch BOD – Proposal quality standard Proposal quality standard values under discussion ! BOD/mg/l Compliance checking-monthly data, 1 or 2years - 90 percentile

17 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Nutrients General chemical and physico-chemical element Parameter High/good based on Nutrient conditionsPO4-P (SRP)Phytobenthos – Trophic index (TI) NO3-NMacroinvertebrate – Saprobic index Data Processing  Phytobenthos - Trophic index - Definition high and good  for each bioregion selection of monitoring sites within the range boundary - 0,125 TI  focus of the definition of boundary values  exeption NO3-N: no nitrogen limitation in austrian rivers, high status  saprobic index  NH4-N, NO2-N – QS based on toxicology

18 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch SRP or P(tot) Why SRP?  Interrelation SRP – TI  high concentration strong indication for high TI  low concentrations don´t mean always low TI  Additional limitation factors – light?

19 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch SRP – Proposal quality standard Proposal quality standard values under discussion! SRP/mg/l Compliance checking-monthly data, 1 or 2years - 90 percentile

20 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch NO3-N Proposal quality standard Proposal quality standard values under discussion ! NO3-N/mg/l Compliance checking-monthly data, 1 or 2years - 90 percentile High status – values based on SI Good status only differentation between si-reference no bioregion

21 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Salinity High status based on saprobic index ?? Good status ?? General chemical and physico-chemical element ParameterHigh/good based on SalinityChlorid Macroinvertebrate – Saprobic index, Fish ?

22 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Acidification, Thermal conditions Thermal condition – Temperature  High status based on demands of typespecific fishpopulation  Good status – Fish Protection Directive (CD 78/659/EEC)  Qualitity standards - still open General chemical and physico-chemical element ParameterHigh/good based on Acidification statuspHFish (CD 78/659/EEC) (Acid Neutralising Capacity) Thermal conditions°CFish Acidification status – ph based on Fish Protection Directive (CD 78/659/EEC)

23 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Ecological status of monitoring site Assessment of ecological status of monitoring sites requires biological and chemical data General chemical and physico-chemical elements:  Under discussion  Compliance checking requires monthly data from 2 years  90 percentile  Every single parameter counts Biological qualitiy elements  Worst case

24 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Conformance TI - SRP Algae = SRP38% Algae54% SRP8%

25 CIS-WS June 2007,Paris Type specific assessment of general physico-chemical parameters in Austria/K.Deutsch Thank you for your attention