esm223_13_Reading_Kjaer_et_al_Pesticide_Leaching_Study

esm223_13_Reading_Kjaer_et_al_Pesticide_Leaching_Study -...

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The Danish Pesticide Leaching Assessment Programme Monitoring results May 1999 June 2004 Jeanne Kj±r, Preben Olsen, Heidi C. Barlebo, Trine Henriksen, Rene K. Juhler, Finn Plauborg, Ruth Grant, Per Nygaard and Lasse Gudmundsson Geological Survey of Denmark and Greenland Ministry of the Environment Danish Institute of Agricultural Sciences Ministry of Food, Agriculture and Fisheries National Environmental Research Institute Ministry of the Environment
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Editor : Jeanne KjAr Cover photo: Lasse Gudmundsson Cover: Peter Moors Layout and graphic production : ±uthors Printed: October 2005 Price: DKK 200 ISBN 87-7871-166-5 ±vailable from Geological Survey of Denmark and Greenland Øster Vold 10, DK-1350 Copenhagen, Denmark Phone: +45 3814 2000. Fax: +45 3814 2050 E-mail: geus@geus.dk Homepage: www.geus.dk The report is also available at www.pesticidvarsling.dk © Danmarks og Grønlands Geologiske Undersøgelse, 2005
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Table of contents PREFACE SUMMARY DANSK SAMMENDRAG 1 INTRODUCTION. .................................................................................................................................. 1 1.1 OBJECTIVE. ........................................................................................................................................... 1 1.2 STRUCTURE OF THE PLAP . ................................................................................................................... 2 2 PESTICIDE LEACHING AT TYLSTRUP. ......................................................................................... 5 2.1 MATERIALS AND METHODS. .................................................................................................................. 5 2.1.1 Site description and monitoring design. ..................................................................................... 5 2.1.2 Agricultural management. .......................................................................................................... 5 2.1.3 Model set-up and calibration . .................................................................................................... 7 2.2 RESULTS AND DISCUSSION . ................................................................................................................... 7 2.2.1 Soil water dynamics and water balances. ................................................................................... 7 2.2.2 Bromide leaching. ....................................................................................................................... 9 2.2.3 Pesticide leaching. .................................................................................................................... 10 3 PESTICIDE LEACHING AT JYNDEVAD . ...................................................................................... 15 3.1 MATERIALS AND METHODS. ................................................................................................................ 15 3.1.1 Site description and monitoring design. ................................................................................... 15 3.1.2 Agricultural management. ........................................................................................................ 15 3.1.3 Model set-up and calibration . .................................................................................................. 17 3.2 RESULTS AND DISCUSSION . ................................................................................................................. 17 3.2.1 Soil water dynamics and water balances. ................................................................................. 17 3.2.2 Bromide leaching. ..................................................................................................................... 19 3.2.3 Pesticide leaching. .................................................................................................................... 21 4 PESTICIDE LEACHING AT SILSTRUP. ......................................................................................... 25 4.1 MATERIALS AND METHODS. ................................................................................................................ 25 4.1.1 Site description and monitoring design. ................................................................................... 25 4.1.2 Agricultural management. ........................................................................................................ 25 4.1.3 Model set-up and calibration . .................................................................................................. 27 4.2 RESULTS AND DISCUSSION . ................................................................................................................. 27 4.2.1 Soil water dynamics and water balances. ................................................................................. 27 4.2.2 Bromide leaching. ..................................................................................................................... 28 4.2.3 Pesticide leaching. .................................................................................................................... 32 5 PESTICIDE LEACHING AT ESTRUP . ............................................................................................ 41 5.1 MATERIAL AND METHODS. .................................................................................................................. 41 5.1.1 Site description and monitoring design. ................................................................................... 41 5.1.2 Agricultural management. ........................................................................................................ 41 5.1.3 Model set-up and calibration . .................................................................................................. 42 5.2 RESULTS AND DISCUSSION . ................................................................................................................. 44 5.2.1 Soil water dynamics and water balances. ................................................................................. 44 5.2.2 Bromide leaching. ..................................................................................................................... 46 5.2.3 Pesticide leaching. .................................................................................................................... 49 6 PESTICIDE LEACHING AT FAARDRUP. ...................................................................................... 57 6.1 MATERIALS AND METHODS. ................................................................................................................ 57 6.1.1 Site description and monitoring design. ................................................................................... 57 6.1.2 Agricultural management. ........................................................................................................ 59 6.1.3 Model set-up and calibration . .................................................................................................. 59 6.2 RESULTS AND DISCUSSION . ................................................................................................................. 60
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6.2.1 Soil water dynamics and water balances. ................................................................................. 60 6.2.2 Bromide leaching. ..................................................................................................................... 61 6.2.3 Pesticide leaching. .................................................................................................................... 65 7 PESTICIDE ANALYSIS QUALITY ASSURANCE. ......................................................................... 69 7.1 MATERIALS AND METHODS. ................................................................................................................ 69 7.1.1 Internal QA. .............................................................................................................................. 69 7.1.2 External QA. ............................................................................................................................. 69 7.2 RESULTS AND DISCUSSION . ................................................................................................................. 70 7.2.1 Internal QA. .............................................................................................................................. 70 7.2.2 External QA. ............................................................................................................................. 73 7.3 SUMMARY AND CONCLUDING REMARKS . ............................................................................................ 74 8 SUMMARY OF MONITORING RESULTS . .................................................................................... 75 9 REFERENCES. ..................................................................................................................................... 85
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Preface In 1998, the Danish Parliament initiated the Danish Pesticide Leaching Assessment Pro- gramme (PLAP), an intensive monitoring programme aimed at evaluating the leaching risk of pesticides under field conditions. The Danish Government funded the first phase of the
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This note was uploaded on 08/06/2008 for the course ESM 235 taught by Professor Dunne during the Winter '08 term at UCSB.

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esm223_13_Reading_Kjaer_et_al_Pesticide_Leaching_Study -...

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