1 EUROPEAN TOPIC CENTRE ON WATER Progress on EWN – rivers Steve Nixon ETC/Water

2 EUROPEAN TOPIC CENTRE ON WATER Rivers- basic 3439 stations from 27 countries

3 EUROPEAN TOPIC CENTRE ON WATER 164 reference stations from 20 countries

4 EUROPEAN TOPIC CENTRE ON WATER 2768 representative stations from 25 countries

5 EUROPEAN TOPIC CENTRE ON WATER 449 flux stations from 16 countries

6 EUROPEAN TOPIC CENTRE ON WATER No Eurowaternet-river contributions from: Belgium Iceland Portugal Turkey Switzerland Albania Croatia Serbia and Montenegro

7 EUROPEAN TOPIC CENTRE ON WATER Rivers – country benchmarking Assessment based on: Number and type of stations provided Station characteristics Proxy pressure information Determinands Data quality OVERALL LEAGUE TABLE!!!!!!!!

8 EUROPEAN TOPIC CENTRE ON WATER River station aspects evaluated Numbers of background plus representative stations Size of rivers included Designation of station type Geographic coverage Geographic coordinates of stations River name Catchment name Water Body name/ID River Basin District name

Station aspects evaluation

10 EUROPEAN TOPIC CENTRE ON WATER Stations – key gaps in data/information Number of stations in some countries Geographic coverage Size distribution of rivers – not enough small and medium rivers Water Body and River Basin District names

11 EUROPEAN TOPIC CENTRE ON WATER River characteristics aspects evaluated Upstream catchment area Station altitude River flow – long term annual average

Characteristics aspects evaluation

13 EUROPEAN TOPIC CENTRE ON WATER Characteristics – key gaps in data/information River flow - gaps in data from 28 of 35 countries (none from 10) Station altitude – gaps in data from 20 countries (none from 9) Catchment area – gaps in data from 16 countries (none from 7)

14 EUROPEAN TOPIC CENTRE ON WATER Proxy pressure aspects evaluated Corine Land cover Population density

Proxy pressure aspects evaluation

16 EUROPEAN TOPIC CENTRE ON WATER Proxy pressure – key gaps in data/information 15 countries with no or minimal information Further 5 countries with less than 50 % of the requested information supplied

17 EUROPEAN TOPIC CENTRE ON WATER Quality determinand aspects evaluated Number of stations with nutrient and organic pollution indicator data Latest year of data for each determinand group (2002 = 100%) Summary statistics Time series – stations with 10 years and greater 20 years consistent time series for each determinand group

Quality determinand aspects evaluation

19 EUROPEAN TOPIC CENTRE ON WATER Quality determinands – key gaps in data/information Total phosphorus data Standard deviation and percentiles of data – 4 not provided any 10 of the 27 countries providing data do not have consistent time series of 10 years 6 of the 27 countries providing data do not have consistent time series of 20 years or more

20 EUROPEAN TOPIC CENTRE ON WATER Quality of data submitted – number of queries per number of data submitted

Overall “League Table”