Country level
In all 19 countries assessed, the groundwater level did not show any significant trend at most stations (70-100%).
Ireland, Sweden, The Netherlands, and North Macedonia only have stations with no significant or decreasing trend (see Figure 1b and Figure 2a).
Poland and Latvia only have stations with no significant or increasing trend (see Figure 1b, 2a and 2b ).
In Austria, France, Italy, Slovenia, Slovakia, and Switzerland, most of the stations show a decreasing trend of the groundwater level, although there are also some stations with an increasing trend (see Figure 1b and Figure 2a).
Belgium, Bulgaria, Cyprus, Denmark, Estonia and Lithuania show about the same number of stations with an increasing and a decreasing trend (see Figure 1b and Figure 2a).
Greece only has one station with enough information to calculate the Groundwater Level Trend, and this station shows no significant trend (see Figure 1b and Figure 2a).
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Comment from AT
It would also be interesting to mention the total number of reported stations and compare it with the number (percentage) which was usable for trend analysis.
Thank you for your comment. We added to the following information to the second paragraph of the indicator assessment, last sentence: “The indicator dataset covered 17 from the 38 European countries and consisted of 3114 monitoring stations (24% of reported stations).”
Also, in the “supportin information (methodlogy section), mor einformation is added on the number and time period of reported monitoring stations.
POLAND
It should be recalculated with using the same units – Poland case.
Thank you for your comment. Please refer to response provided above.