3. Teck-Realschule, Kirchheim, GERMANY TOPICS 1. Use of water 2. Virtual water 3. The water footprint 4. Industry in Baden-Württemberg a) Historical use of water: Blautopf b) Domestic use of water: Lake Constance c) Water and transports: Rhine d) Water and energy: The Rhine Falls 5. Future
5. Teck-Realschule, Kirchheim, GERMANY People use lots of water for drinking, cooking and washing, but even more for producing things such as: 2. Virtual Water Virtual water is the water used for the production of goods or services . 4,100 L 10,850 L 10 L 15,500 L food 1 kg of beef A4-sheet of paper paper cotton clothes
6. Teck-Realschule, Kirchheim, GERMANY … shows the extent of water use in relation to consumption of people. 3. The water footprint It’s the volume of water needed for the production of the goods and services consumed by the inhabitants of a country. Jeans imported from another country External water footprint Glass of domestic water Internal water footprint
7. Teck-Realschule, Kirchheim, GERMANY Global water footprint (WFP) per person and year Green means that the nation’s water footprint is equal to or smaller than global average. Countries with red have a water footprint above the global average.
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9. Teck-Realschule, Kirchheim, GERMANY a) Historical use of water: Blautopf near Ulm rainer ullrich Michael Thaler 1744 construction of a ground wood mill at the Blautopf/Blaubeuren near Ulm 1956 workshop closed; now it‘s a museum 1804 extension of the ground wood mill with a hammer mill 1869 conversion of the forge into a "mechanische Werkstatt" (mechanic workshop)
10. Teck-Realschule, Kirchheim, GERMANY b) Domestic use of water: Lake Constance Austria Switzerland Germany Konstanz Lake Constance (Bodensee) in the south of Germany is the biggest lake in Germany. It’s 69 km long, 15 km wide and 250 m deep. ✫ The Rhine carries large quantities of natural melt and rainwater from its catchment area into the lake. ✫ 360 cubic metres per second pass through the lake. ✫ Pipelines transport drinking water to the northern Stuttgart region. About 4 million people get their drinking water from Lake Constance.
11. Teck-Realschule, Kirchheim, GERMANY c) Water and transports: The Rhine ✫ It’s the most important German waterway. Raw materials and industrial products are transported on the Rhine. ✫ The Rhine is the longest river in Germany (437 km) and one of the longest and most important rivers in Europe (1300 km). North Sea Switzerland France Germany fahrrad-tour
12. Teck-Realschule, Kirchheim, GERMANY d) Water and energy: The Rhine Falls ✫ The Rhine Falls are situated in northern Switzerland near the town of Schaffhausen. ✫ They are the largest plain waterfalls in Europe. They are 150 m wide and 23 m high. ✫ Average water flow in winter: 250 m³/s, average water flow in summer: 700 m³/s. ✫ Economics in the past : watermills and blast furnace for melting iron ore. ✫ Today : some electricity stations (hydropower). But the greatest economic value of the falls is as a tourist attraction. wikipedia de:User:Ingo2802
13. traffic sewage disposal agriculture air pollutants industry and commerce numerous man-made pollutants of ground water energy supplies ✫ Baden-Württemberg has an abundance of water. ✫ Around three quarters of the country’s drinking water come from ground water and spring water. ✫ Ground water is a resource of elementary importance - but it is contaminated. 5. Future WATER PROTECTION IS THUS ONE OF THE MOST IMPORTANT TASKS IN ENVIRONMENTAL POLICY Teck-Realschule, Kirchheim, GERMANY
