Author(s): Sigurjon Rist
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Abstract: The purpose of this paper is to give a general description of ice conditions in the Thjorsa River system, Southern Iceland. The Thjorsa River with its tributaries have the greatest power potential of all rivers in Iceland. By the mountain Burfell, 75 km from the sea, a run-of-the-river power plant went into operation in 1969. Reaches of the river which remain open throughout the winter act as great frazil ice producers, causing ice jams as high as 15-18 m with a volume of 10-40 Gl. The maximum rise in the water level occurs immediately below the section with the greatest slope.
Year: 1970