The stock used was produced by TNO on behalf of the province of Zuid-Holland in the context of an investigation into salinisation in the province (TNO report 'Determination of future salinisation of groundwater in South Holland, September 2004). It displays the fluxes (mm/day) to and from the top system. The file has been converted to the file ‘wel-infiltration’. In ‘wel-infiltration’, a distinction is made in torment, infiltration and areas where no flux is present. These maps are part of the bottom vision and are indicative maps. When zooming in on a specific area or question, it is always necessary to check whether further information is available.
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