03102020 WEISS A Water Emissions Inventory planning Support

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03/10/2020 WEISS, A Water Emissions Inventory planning Support System aimed at reducing the pollution

03/10/2020 WEISS, A Water Emissions Inventory planning Support System aimed at reducing the pollution of water bodies BALWOIS 2010 – Ohrid, Republic of Macedonia – 25, 29 May 2010

Content » 1. Introduction » 2. Conceptual framework and components of WEISS » 3.

Content » 1. Introduction » 2. Conceptual framework and components of WEISS » 3. Introducing GIS & model blocks in WEISS » 4. Spatial analysis applied to the building stock » 5. Planning and policy applications » 6. Conclusions 03/10/2020 © 2010, VITO NV 2

1. Introduction EU-LIFE+ 08 ENV/B/000042 2010 -2012 03/10/2020 © 2010, VITO NV 3

1. Introduction EU-LIFE+ 08 ENV/B/000042 2010 -2012 03/10/2020 © 2010, VITO NV 3

1. Introduction 03/10/2020 © 2010, VITO NV 4

1. Introduction 03/10/2020 © 2010, VITO NV 4

1. Introduction SOURCE UWWTP Population Industry Infrastructure Agriculture Nature Transport ZINC EMISSION (kg/year) scale

1. Introduction SOURCE UWWTP Population Industry Infrastructure Agriculture Nature Transport ZINC EMISSION (kg/year) scale 1: 1. 000 03/10/2020 © 2010, VITO NV 5

1. Introduction » Relation with EU Directives § Water Framework Directive (WFD) § Urban

1. Introduction » Relation with EU Directives § Water Framework Directive (WFD) § Urban Waste Water Treatment Directive (UWWTD) § European Pollutant Release and Transfer Register (E-PRTR) » Scope § Identify significant emission sources § Monitor compliance with reduction programmes » What’s new § Generic character for all water pollutants (nutrients as well as hazardous substances) and all sources (point and diffuse) § Explicit geographical analysis at high resolution § Relation between source and sink 03/10/2020 © 2010, VITO NV 6

2. Concepts Conceptual framework 03/10/2020 © 2010, VITO NV 7

2. Concepts Conceptual framework 03/10/2020 © 2010, VITO NV 7

Material flow scheme of WEISS Water network and groundwater Quantification of the source: bottom-up

Material flow scheme of WEISS Water network and groundwater Quantification of the source: bottom-up air Gross Emission Value (GEV) = Emission Factor (EF) Source X Emission Explanatory Variable (EEV) Private drain 2. Concepts air soil groundwater Paved and unpaved surfaces soil groundwater Sewer system Overflow removal Rainwater sewage Not linked to Individual WWTP Urban WWTP Treated discharge Surface waters 03/10/2020 © 2010, VITO NV Not linked to Urban WWTP Rainwater sewage Untreated discharge 8

3. GIS & model blocks Introducing GIS in WEISS SPATIAL DISTRIBUTION SOURCE Point source

3. GIS & model blocks Introducing GIS in WEISS SPATIAL DISTRIBUTION SOURCE Point source Accounting for various Geographical entities q. Point source Line source q. Linear distribution q. Proportional to link characteristics Surface source q. Proportional distribution Transport route from Source to Surface Water q. Dasymetric mapping q. Spatial interpolation q. Overlay analysis q. Spatial modelling Any other spatial entity Hydrologic entities Administrative entities Discharge in the surface waters Run-off at the earth surface Treatment facilities Sewage treatment zones Sewage network Groundwater Along water networks Point sources Spatial distribution of the Source Line & network sources Surface sources 03/10/2020 © 2010, VITO NV 9

3. GIS & model blocks SPATIAL ALLOCATION SOURCE M O D E L B

3. GIS & model blocks SPATIAL ALLOCATION SOURCE M O D E L B L O C K S water networks point source line source surface source PATHWAYS ACCOUNTING sewage system direct discharge runoff other pathways groundwater hydrological entities administrative entities other spatial entities EXAMPLE: SOURCE WASTEWATER HOUSEHOLDS EXAMPLE: SOURCE AGRICULTURAL USE OF PESTICIDES 03/10/2020 © 2010, VITO NV 10

4. Building stock Pb - 2005 Gross emission map Net emission map 03/10/2020 ©

4. Building stock Pb - 2005 Gross emission map Net emission map 03/10/2020 © 2010, VITO NV 12

5. Planning & policy Zinc 1998 – 2005: more gross emissions, less net emissions

5. Planning & policy Zinc 1998 – 2005: more gross emissions, less net emissions 03/10/2020 © 2010, VITO NV 13

» WEISS calculates emissions from source to sink » Making an inventory of all

» WEISS calculates emissions from source to sink » Making an inventory of all water pollutant sources » Monitoring and reporting » Scenario, planning and policy assessment 6. Conclusions » Developped as a prototype » Emissions of heavy metals caused by corrosion in the building stock » The strengths of the system » The explicit geographical approach » The generic character of the framework and methodology » New sources » New pathways » New pollutants » New study areas » More information: http: //weiss. vmm. be 03/10/2020 © 2010, VITO NV 14