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Drafting Group on Reporting on State of the Environment and Trends

This report outlines the current status and trends of Eionet-Water data flows, including key determinands and statistical aspects. It discusses the reporting process, data visualization, and the annual update process. Eionet-Water provides a representative assessment of water types, anthropogenic pressures, and water quantity across the EEA area. The system focuses on rivers, lakes, groundwater, transitional, coastal, and marine waters, emphasizing nutrients, organic pollution, hazardous substances, and water quantity measurements. It highlights the importance of spatial and temporal aggregation of data, the role of ROD and DD databases, and the need for more monitoring stations to improve assessments.

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Drafting Group on Reporting on State of the Environment and Trends

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  1. Drafting Group on Reporting on State of the Environment and Trends Current Status of Eionet-Water

  2. Background and scopeReporting process and information visualisationCurrent status of Eionet-Water data flowsConcluding comments

  3. Eionet-Water (formerly Eurowaternet) • Designed to give a representative assessment of water types and variations in anthropogenic pressures within a country and also across the EEA area • Does not necessarily give a representative view of individual catchments or of River Basin Districts. • Based on national monitoring networks • Changes in station selection may be required as national monitoring becomes WFD compliant

  4. Eionet-Water • EEA Priority Data flow for: • rivers, • lakes, • groundwater, • transitional, • coastal and marine waters • Water quantity • Updated annually • Moral rather than mandatory reporting obligation

  5. Requested determinands • Nutrients, organic pollution indicators and hazardous substances in rivers and lakes; • Nitrate, ammonium, dissolved oxygen and pesticides in groundwater; • Nutrients, chlorophyll and hazardous substances in transitional, coastal and marine waters (TCM); • Hazardous substances in biota and sediments in TCM; • Water quantity in terms of precipitation, river flows and renewable water resources.

  6. New (non-Priority) data flows are being developed • Need more and different data to improve assessments • Emissions to water • Working closely with Pilot River Basins, WFD Article 5 reports, • Data from national sources, river and marine conventions • Biological and hydromorphological quality elements

  7. Quality elements selected for initial work on biology and hydromorphology • Rivers benthic macro invertebrates habitat quality elements • Lakes phytoplankton (cyanobacteria) macrophytes habitat quality elements • Transitional and coastal waters macrophytes macroinvertebrates introduced species

  8. Reporting process and information visualisation

  9. ROD - Reporting Obligation Database Keeps all environmental relevant reporting obligations for international organisations DD - Data Dictionary Contains the precise definition of requested data: • Content, Data structure and data elements • Definitions and methodologies • Format, data type, plausibility limits of elements • Data Exchange Modules (xls-templates, web-form)

  10. Aggregation of requested data

  11. Aggregation of requested data • Initially some countries did not want to report disaggregated data • Now becoming more accepted • Aggregated data: • more work for NRCs, less for EEA/ETC • data should be aggregated in a common way • summary statistics also required • Disaggregated data: • more work for EEA/ETC, less for NRCs • guarantees the same treatment/aggregation of data • more possibilities for statistical testing

  12. Spatial aggregation/resolution of requested data • Station level • Location level • Linkages to surface water bodies • Groundwater sampling site to groundwater body • Stations from national/Federal monitoring networks • Supplemented by stations from regional/local monitoring networks

  13. Annual update 2005 - timetable • Update request to NFPs/NRCs, 29 July 2005; • Deadline for delivery of data to EEA/ETC, 31 October 2005. • Delivery of Waterbase data for the EEA data service. January 2006.

  14. Reference Waterbase - http://dataservice.eea.eu.int/dataservice/metadetails.asp?id=660 Reference - WATERBASE

  15. Data Service - Waterbase • holds validated aggregated data • timely, reliable and relevant data from statistically stratified river & lake stations, from GW-bodies, transitional, coastal and marine waters, and water quantity • data comparable at European level • data used for indicator production http://dataservice.eea.eu.int

  16. Current status of Eionet-water data flows

  17. Eionet-WaterNutrients and organic pollution indicators

  18. Eionet-Water River Stations

  19. Eionet-WaterQuantity 2016 precipitation stations 1118 river gauging stations From 16 countries

  20. Internal flow in 1997

  21. Eionet-WaterHazardous substances

  22. Concluding comments • Eionet-Water is established and has had long-term support from many countries • Eionet-Water will have to adapt to (monitoring) changes relating to WFD • Will need data from surveillance and operational monitoring networks with contextual information to allow valid assessments • Will continue to need data on individual quality elements rather than just highly aggregated indicators (e.g. ecological status) for assessment of issues • Annual updates • Data and information from more monitoring stations needed to obtain representative overview of catchments and RBDs – WFD relevance! • Will progressively develop and become integrated into WISE

  23. Concluding comments • Content of WISE needs to be agreed with countries and data users e.g. • Determinands • Statistical aspects • Spatial and temporal aggregation of data • Schedule for regular updating (based on existing Eionet-Water data flow) • Business rules on data handling and dissemination • Meta data to support the reported SOE data e.g. details of the monitoring station’s physical characteristics • Aspects of QA/QC and comparability

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