Record nummer 1869787
Titel artikel Demonstrating trend reversal of groundwater quality in relation to time of recharge determined by 3H/3He
Auteur(s) Visser, A. ; Broers, H.P. ; Grift, B. van der ; Bierkens, M.F.P.
Tijdschrifttitel Environmental pollution
Deel(Jaar)Nummer 148(2007)3
Paginering 797 - 807
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Trefwoorden (cab) grondwater / nitraten / monitoring / tendensen / grondwateraanvulling / grondwaterkwaliteit / noord-brabant
Rubrieken Geohydrologie, bodemhydrologie
Publicatie type Artikel
Taal Engels
Toelichting (Engels) In this study, the authors applied an alternative approach to trend analysis that is promising for the aggregation of time series in individual monitoring points to trends that represent larger areas or groundwater bodies. The approach is based on relating observed concentrations of contaminants in groundwater to the time of recharge of the sampled groundwater. As a check for consistency, we also reconstructed the historical concentrations of contaminants in recharging groundwater in agricultural recharge areas of the province of Noord-Brabant based on statistical data of atmospheric deposition, manure and fertilizer use and crop harvesting. This reconstruction of historical concentrations was compared with the recharge concentrations obtained from groundwater dating, leading to two independent assessments of possible trend reversal
Betrokken instanties Universiteit Utrecht, Vakgroep Fysische Geografie
TNO Bouw en Ondergrond
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