Evaluation of crop-protection-product losses into surface waters with the SEPTWA system

被引:9
|
作者
Beernaerts, S
Debongnie, P
Gérard, M
Barthelemy, JP
Copin, A
Guns, M
Pussemier, L
机构
[1] FPS Hlth Food Chain Safety & Environm, VAR, Vet & Agrochem Res Ctr, B-3080 Tervuren, Belgium
[2] Agr Univ Gembloux, FUSAGx, Unit Analyt Chem & Crop Protect Sci, B-5030 Gembloux, Belgium
关键词
pesticides; emission; losses; prediction; surface water; SEPTWA;
D O I
10.1080/0306731042000303143
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
SEPTWA (System for the Evaluation of Pesticide Transport to WAters) is a system that has been developed in Belgium since 1995 for the evaluation, at the macro-scale, of surface-water pollution by crop protection products. It considers the actual application rates in the agricultural and non-agricultural sectors, and takes into account the diffuse (runoff, drainage, drift) and non-diffuse (point losses) emission sources. SEPTWA version 2.2 has been validated on the basis of a monitoring dataset of a large hydrographic catchment in Belgium, the Dyle. This validation process confirmed the model's potential, but it also showed that a more appropriate dataset is needed for a more reliable validation of the model.
引用
收藏
页码:41 / 50
页数:10
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