Flags and arms of cantons of Switzerland is a design by Paul Boesch, dated to 1943. The crozier symbolizes the former Prince-Bishopric of Basel, the seven stripes represent the seven districts of the Bernese Jura. It was officially recognized as a regional flag by Bern from the early 1950s. The canton of Jura was created in 1979 after a referendum, but only three of the seven districts opted to join. The seven stripes were retained in the cantonal flag regardless, and there remains some irredentism calling for a restored unity of all seven districts. Flags and arms of cantons of Switzerland Each of the 26 modern cantons
Hydrology of Switzerland Hydrology of Switzerland Hydrology is the science which studies the water cycle as a whole, hence the water exchanges between soil and atmosphere (precipitation and evaporation) but also between the soil and sub ground (groundwater). Switzerland has a varied and complex hydrological system. The climate gives precipitation under the form of snow and rain and is also responsible for the evaporation of water into the atmosphere. The altitude and climate allow the formation and maintenance of many glaciers that feed rivers from five major European river catchments, through which water leaves the country and joins the sea. Switzerland is sometimes