Landwasser
The country water at Davos- Islen, direction SW
Landwasserviadukt at Filisur
The country water is a 30.5 km long ( with the longest source waters 38 km ) river in the river system of Albula ( rät. Alvra ) in the canton of Graubünden, Switzerland. She is one of the main headwaters of the Alpine Rhine. The Landwassertal is known through the city of Davos and the following him the whole length Rhaetian Railway.
Course
The country follows the water Haupttallinie Davos. The name applies from the previous confluence of Flüela stream and lake water, the no longer existing stream that drained the lake of Davos. Although the seawater was much smaller than the Flüela Bach, it was also called land itself water. Today, the lake of Davos flows, fed by Totalpbach and other smaller streams, in order to hydropower over pressure tunnel to the power station monastery in Prättigau. He is underground additionally supplied at the required water Flüela creek. Only at very high water levels can cause seawater through an overflow structure also reach the land nor water.
The little opening out below, approximately 15 kilometers long Dischmabach is at the confluence with the rural water rich in water and also longer. This is the Dischmabach the main source of the river country water system, the total reached so around 38 kilometers in length. Since the additional flow path at all junctions of each is relatively water-rich to Lake Constance, the country with the Dischmabach water is hydrologically the main strand of the Alpine Rhine system, even if its longest flow path of the pure Medel is there. The country water exceeds the Albula at the mouth not only on water management (9.45 m³ / s compared to 5.67 m³ / s), but also on flow length, since the Albula including its longest source stream Ava since Ravais -ch until then only about 21 has traveled kilometers.
The largest town on the shore is Davos. On their way, the country water crosses the Zügenschlucht and is twice crossed by spectacular railway bridges in the Rhaetian Railway: at Davos Wiesen with the Wiesen viaduct and the Landwasserviadukt between Filisur and Alvaneu bathroom.
The major side valleys meet at an acute angle to the main valley of the country water; an indication that the upper country water once flowed in the opposite direction. The valley then took a little above the resulting later Zügenschlucht its beginning and went over into the valley of today's Prättigau.
Tributaries
- Dorfbach (right)
- Flüela Bach ( left)
- Dischmabach (left)
- Albert Ibach (right)
- Sertigbach (left)
Economic use
After the discharge of tributaries in the region of Davos Lake, another part of the country water at Davos- Glarus is for use of the hydropower caught and passed through a pressure tunnel for about 10 kilometers away power plant in the Albula country hydropower plants ( ALK ) in Filisur (65 MW ). The processed water from the equalization tank Filisur is supplied to the ALK- power plant in deep Castel ( 24 MW ) through a 8.6 km long headrace tunnel and there fed to the Albula.
Linguistic
Country Water is an Alemannic name for the Talfluss, denotes the country 's arable valley floor or even the main valley as opposed to the side valleys. Apart from the Davos country water that is treated in this article, land water is also officially for the Talfluss the frets step Malix (also called Rabiosa ) as well as the Talfluss the Piedmont Walser community Rimella. Dialect but not officially, are or were in the Canton of Jogne, in the canton of Bern, the Sarine, the Simme and the Engstlige, in the Grisons Averserrhein, the Valserrhein that Plessur and the country Quart and in the northern Italian Walser areas, the Sesia, the Sermenza and Lys country called water.