What is it about?
We assessed the legacy of nitrate from fertilisers still held up in the unsaturated zone of aquifers in the UK to see how long it could take for it all to come through into groundwater and hence to drinking water or rivers
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Why is it important?
This is the first estimate of the response time of groundwater to improvements in agricultural practices at the surface. We have shown that this could be decades. This is important for environmental scientists, water utilities and regulators in their planning.
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This page is a summary of: Prediction of the arrival of peak nitrate concentrations at the water table at the regional scale in Great Britain, Hydrological Processes, June 2011, Wiley,
DOI: 10.1002/hyp.8164.
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