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TRENDS IN SLIBONTWATERING - Stowa

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STOWA 2012-46 <strong>TRENDS</strong> <strong>IN</strong> SLIBONTWATER<strong>IN</strong>G<br />

Locatie: Locatie:<br />

Locatie: Waterschap Waterschap Rivierenland; Rivierenland; Arnhem, Arnhem,<br />

Arnhem, Nijmegen, Tiel, Schelluinen, Gendt, Culemborg<br />

Nijmegen, Tiel, Tiel, Schelluinen, Gendt, Gendt, Culemborg Culemborg<br />

Droge stof lab<br />

Droge Droge stof stof lab lab<br />

locatie: waterschap rivierenland; arnhem, nijmegen, tiel, schelluinen, gendt, culemborg<br />

33<br />

33<br />

33<br />

31<br />

31<br />

31<br />

29<br />

29<br />

29<br />

27<br />

27<br />

27<br />

25<br />

25<br />

25<br />

23<br />

23<br />

23<br />

21<br />

21<br />

21<br />

19<br />

19<br />

19<br />

17<br />

17<br />

17<br />

R²<br />

R²<br />

=<br />

= 0,44<br />

R²<br />

0,44<br />

= 0,44<br />

R²<br />

R²<br />

=<br />

= 0,61<br />

R²<br />

0,61<br />

= 0,61<br />

15<br />

15<br />

15<br />

15<br />

15<br />

15<br />

25<br />

25 35<br />

25<br />

35<br />

35<br />

P in<br />

P in slibkoek (g/kg ds)<br />

P<br />

slibkoek<br />

in slibkoek<br />

(g/kg<br />

(g/kg<br />

ds)<br />

ds)<br />

45<br />

45<br />

45<br />

Locatie: Locatie:<br />

Locatie: Waterschap Scheldestromen; Walcheren<br />

Waterschap Scheldestromen; Walcheren Walcheren<br />

Droge stof slibkoek (% ds)<br />

Droge Droge stof stof slibkoek (% (% ds) ds)<br />

33<br />

33<br />

33<br />

31<br />

31<br />

31<br />

29<br />

29<br />

29<br />

27<br />

27<br />

27<br />

25<br />

25<br />

25<br />

23<br />

23<br />

23<br />

21<br />

21<br />

21<br />

locatie: waterschap scheldestromen; walcheren<br />

19<br />

19<br />

19<br />

20<br />

20<br />

20<br />

30<br />

30<br />

30<br />

40<br />

40<br />

40<br />

P in<br />

P in slibkoek (g/kg ds)<br />

P<br />

slibkoek<br />

in slibkoek<br />

(g/kg<br />

(g/kg<br />

ds)<br />

ds)<br />

Locatie: Locatie:<br />

Locatie: Waterschap Waterschap Velt Velt en Vecht; Emmen<br />

Velt en en Vecht; Vecht; Emmen Emmen<br />

droge stof (% ds)<br />

droge droge stof stof (% (% ds) ds)<br />

locatie: waterschap velt en vecht; emmen<br />

86<br />

Arnhem<br />

Arnhem<br />

Arnhem<br />

Nijmegen<br />

Nijmegen<br />

Nijmegen<br />

Tiel<br />

Tiel<br />

Tiel<br />

Schelluinen<br />

Schelluinen<br />

Schelluinen<br />

Gendt<br />

Gendt<br />

Gendt<br />

Culemborg<br />

Culemborg<br />

Culemborg<br />

Arnhem<br />

Arnhem<br />

Arnhem<br />

Nijmegen<br />

Nijmegen<br />

Nijmegen<br />

2002-2004<br />

2002-2004<br />

2002-2004<br />

2005-2007<br />

2005-2007<br />

2005-2007<br />

2008-2011<br />

2008-2011<br />

2008-2011<br />

2011<br />

2011<br />

2011<br />

PE-verbruik (g actief/kg ds)<br />

PE-verbruik (g (g actief/kg ds) ds)<br />

Polymeerverbruik (g actief/kg ds)<br />

Polymeerverbruik (g (g actief/kg ds) ds)<br />

35<br />

35<br />

35<br />

33<br />

33<br />

33<br />

2007-2010<br />

2007-2010<br />

2007-2010<br />

31<br />

31<br />

31<br />

29<br />

29<br />

29<br />

2010-2011,<br />

2010-2011,<br />

2010-2011,<br />

struviet<br />

struviet<br />

struviet<br />

27<br />

27<br />

27<br />

25<br />

25<br />

25<br />

23<br />

23<br />

23<br />

21<br />

21<br />

R²<br />

R²<br />

=<br />

= 0,18<br />

21<br />

R²<br />

0,18<br />

= 0,18<br />

19<br />

19<br />

19<br />

R² = 0,77<br />

17<br />

R² =<br />

R²<br />

0,77<br />

17<br />

= 0,77<br />

17<br />

15<br />

15<br />

15<br />

15<br />

15 25 35 45 55<br />

15<br />

25<br />

25<br />

35<br />

35<br />

45<br />

45<br />

55<br />

55<br />

P in<br />

P in slibkoek (g/kg ds)<br />

P<br />

slibkoek<br />

in slibkoek<br />

(g/kg<br />

(g/kg<br />

ds)<br />

ds)<br />

20<br />

20<br />

20<br />

18<br />

18<br />

18<br />

16<br />

16<br />

16<br />

14<br />

14<br />

14<br />

12<br />

12<br />

12<br />

R² = 0,64<br />

10<br />

R² =<br />

R²<br />

0,64<br />

10<br />

= 0,64<br />

10<br />

8<br />

8<br />

8<br />

6<br />

6<br />

6<br />

4<br />

4<br />

4<br />

2<br />

2<br />

2<br />

0<br />

0<br />

0<br />

15<br />

15 25 35 45<br />

15<br />

25<br />

25<br />

35<br />

35<br />

45<br />

45<br />

P in<br />

P in slibkoek (g/kg ds)<br />

P<br />

slibkoek<br />

in slibkoek<br />

(g/kg<br />

(g/kg<br />

ds)<br />

ds)<br />

15<br />

15<br />

15<br />

13<br />

13<br />

13<br />

11<br />

11<br />

11<br />

9<br />

9<br />

9<br />

7<br />

7<br />

7<br />

5<br />

5<br />

5<br />

3<br />

3<br />

3<br />

20<br />

20<br />

20<br />

30<br />

30<br />

30<br />

40<br />

40<br />

40<br />

P in<br />

P in slibkoek (g/kg ds)<br />

P<br />

slibkoek<br />

in slibkoek<br />

(g/kg<br />

(g/kg<br />

ds)<br />

ds)<br />

Arnhem<br />

Arnhem<br />

Arnhem<br />

Nijmegen<br />

Nijmegen<br />

Nijmegen<br />

Tiel<br />

Tiel<br />

Tiel<br />

Schelluinen<br />

Schelluinen<br />

Schelluinen<br />

Gendt<br />

Gendt<br />

Gendt<br />

Culemborg<br />

Culemborg<br />

Culemborg<br />

Nijmegen<br />

Nijmegen<br />

Nijmegen<br />

2008-2011<br />

2008-2011<br />

2008-2011<br />

2002-2004<br />

2002-2004<br />

2002-2004<br />

2005-2007<br />

2005-2007<br />

2005-2007<br />

2011<br />

2011<br />

2011

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