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The objective of this study was to assess the potential effects of climate change on the transport of pre-existing spatially-extensive trace metal contamination to a small lowland catchment in the south of the Netherlands. The area surrounding the Keersop has been contaminated with heavy metals by the atmospheric emissions of four zinc ore smelters. This heavy metal contamination, e.g. with Cd and Zn, has accumulated in the topsoil and leaches towards surface water system, especially during high groundwater levels and high discharge rates. Simulated projections of future climate predict increased precipitation in winter, less precipitation in summer, and higher air temperatures throughout the year. These climate change scenarios projected lower groundwater levels and lower discharge rates. As a result of lower groundwater levels, transport of Cd and Zn towards surface water is also projected to decrease in the future climate. These results indicate a positive effect of climate change on a limited aspect of surface water quality.
|Publication status||Published - 2010|
|Event||GQ10 Groundwater Quality management in a Rapidly Changing World, Zurich, Switzerland - |
Duration: 13 Jun 2010 → 18 Jun 2010
|Conference||GQ10 Groundwater Quality management in a Rapidly Changing World, Zurich, Switzerland|
|Period||13/06/10 → 18/06/10|