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Preliminary attempt to develop a method for quantitatively evaluating regionally oriented policy

Aanzet tot de ontwikkeling van een methode voor een kwantitatieve evaluatie van Gebiedsgericht Beleid

Synopsis

In most regions in the Netherlands where a regionally oriented policy has been introduced, this policy is still in the implementation stage and has, so far, hardly been monitored. The insight into the effect of a particular measure on environmental quality is little. Neither is it possible to relate measured environmental quality to single measures taken. Relationships need to be established to obtain insight into the cost-effectiveness of environmental measures. In this study, to develop a method for the quantitative evaluation of regionally oriented environmental policy using two regions to which this policy has been applied, relatively straightforward estimations and calculations were made of emission reductions resulting from measures taken. Geostatistical analyses were applied to two sampling grids, one designed for a whole province and the other for a specific region. Although the calculations and the geostatistical analyses provided insight into the way monitoring data can be used, the results of the calculations and the geostatistical analyses were not directly comparable. Applying simple models might provide a solution to this problem. Models that are well calibrated and validated for specific regions can be used to calculate the effects of a single measure on environmental quality. If reliable results are achieved, modelling can replace part of the monitoring on quality. However, it will always be necessary to check the results periodically.
 

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