Groundwater monitoring in Denmark: characteristics, perspectives and comparison with other countries | Suivi des eaux souterraines au Danemark : caractéristiques, perspectives et comparaison avec d’autres pays Monitoreo de aguas subterráneas en Dinamarca: características, perspectivas y comparación con otros países 丹麦的地下水监测——特征、展望以及与其它国家的对比 Monitorização da água subterrânea na Dinamarca: características, perspectivas e comparação com outros países Grundvandsovervågning i Danmark – karakteristika, perspektiver og sammenligning med andre lande Grundwasser-Monitoring in Dänemark: Eigenschaften, Perspektiven und Vergleich mit anderen Ländern مراقبة المياه الجوفية في الدنمارك-الخواص ,الافاق,والمقارنة مع الدول ألأخرى Grondwater monitoring in Denemarken: Kenmerken, perspectieven en vergelijking met andere landen Grundvattenövervakning i Danmark - karaktäristik, perspektiv och jämförelse med andra länder
2009
Jørgensen, LisbethFlindt | Stockmarr, Jens
More than 99% of water use in Denmark is based on groundwater. Denmark has had a comprehensive national groundwater-monitoring programme since 1988 based on 74 well catchment areas and six small agricultural catchments with more than 1,500 screens at different depths for regular, mostly annual, water quality sampling. In addition, water samples from 10,000 abstraction wells are analysed every 3–5 years. The water is analysed for main components, inorganic trace elements, organic micro pollutants, and pesticides and their metabolites. A unique feature is the 20-year time-series data of inorganic pollutants. Groundwater modelling supports traditional monitoring to improve the conceptual geological understanding and to assess the quantitative status and the interaction between groundwater and surface water. The programme has been continuously adjusted to incorporate new knowledge from research programmes and meet new policy demands, currently the European Union Water Framework Directive, particularly with respect to an increased focus on quantitative aspects and on the groundwater/surface water interaction. The strengths and weaknesses of the Danish programme are assessed and compared with other national groundwater-monitoring programmes. Issues discussed include: strategic considerations for monitoring design, the link between research and monitoring, and adoption of responses to climate changes.
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