by EFAS Hydrological Data Collection Centre
During the month of July, there were 54 stations with exceedances, 45% of the previous month. Most of them are located in Italy (18 stations) and Slovenia (15 stations). They are mainly related to water level in Italy and both types of variables exceed in Slovenia. In Austria there are 7 stations and in Spain there are 4 stations with exceedances.
In addition, there are two stations in Norway and Serbia and several countries have recorded a station with exceedances this month: Poland, Bosnia and Herzegovina, Belgium, Romania, Hungary and Ireland.
As for the river basins, the main river basin with values above the threshold is again the Danube, with 26 stations in six different countries, with Slovenia standing out with 14 exceedances. The Po River in Italy is the next river basin with the highest number of stations (15), followed by the Tiber River in Italy and the Ebro River in Spain with two stations each with exceedances. A total of 13 different river basins have exceedances in July.
In terms of stations that recorded values of mean discharge above the 90% quantile, 122 exceeded this threshold this month. In July, Slovenia was the country with the most stations in this situation: 57. Ireland, with 18 stations in this situation, and Spain with 13, are the countries with the next highest number of stations in this situation. The Slovenian stations are distributed in four different basins, highlighting the Danube River, with 48 stations exceeding this quantile. In Ireland there are ten basins afected while in Spain we find six basins, highlighting the Guadiana River. In Serbia and Norwat, eight stations have values above this quantile. In England, six stations exceed this cliff. Other stations exceed the 90% quantile value in up to 14 countries.
By river basin, the Danube River stands out with 60 stations above the 90% quantile. The Soca-Isonzo river basin (Slovenia) is the second with the highest number of stations over this cliff, showing seven stations in this situation and followed by the Guadiana river basin (Spain) with six. A total of 37 different river basins have exceedances over the 90% quantile in July.
Finally, and according to the number of stations recording mean values below the 10% quantile, in July there were 150 stations with average values below this cliff at nineteen different countries.
This month, Germany is again the country with most of the stations (38), followed by Spain with 31 stations. Poland has 18 stations with values below this threshold. With thirteen stations we find France and Switzerland with twelve. Another fourteen countries show less than ten station each in this situation.
In terms of river basin, this month the Rhine is again the river with the highest number of cases, with 33 stations with an average discharge below the 10% quantile. The Danube River has 24 stations, and Oder River has seventeen stations in the same situation. In total, as many as twenty-nine different basins have values below this limit in Europe.