Flags and arms of cantons of Switzerland Flags and arms of cantons of Switzerland Each of the 26 modern cantons of Switzerland has an official flag and a coat of arms. The history of development of these designs spans the 13th to the 20th centuries. The cantons are listed in their order of precedence given in the federal constitution. This reflects the historical order of precedence of the Eight Cantons in the 15th century, followed by the remaining cantons in the order of their historical accession to the confederacy. "Standesfarben" were used to identify the (historical) cantons when the full banner was not available for display, although
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