Pesticides in streams and subsurface drainage water within two arable catchments in Denmark: Pesticide application, concentration, transport and fate
Table 11.5.
Loss and discharge weighted concentration of 3 selected pesticides during one storm
event in each quarter of the year for the stream station in Odderbæk catchment. The
loss is calculated based on sampling during a period of 24 hour during each storm
event.
Tabel 11.5.
Tab og vandføringsvægtet koncentration af 3 pesticider gennem en
afstrømningshændelse i hvert kvartal for vandløbsstationen i Odderbæk. Tabet af
pesticider er beregnet på baggrund af flere puljede enkeltprøver udtaget over en 24
timers periode.
Odderbæk
Quarter
Runoff
Bentazone Isoproturon Bentazone Isoproturon
(mm)
Loss (mg)
Discharge weighted
concentration (ng/l)
28-29th February 2000
1
2.3
53.2
390
2.0
14.7
10-11th June 2000
2
0.7
2054
369
264
47.5
12-13th September 2000
3
0.8
83.3
399
9.0
43.2
3-4th December 1999
4
2.0
100.4
2192
4.5
98.0
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