Author(s): Oyvind Espeseth Lier
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Abstract: The Norwegian flood inundation-mapping program (Berg, 1999) has until now been focused on damages from regular flooding while Norwegian rivers annually experience ice jams, resulting in inundation and damages on infrastructure. During the last 85years, Karasjok has experienced three major ice-induced (1917,1932, and 1959) and one ordinary (1968) floods. In order to ensure correct area usage it is necessary to forecast the effects of future ice induced inundations. A rough modeling, based on the limited parameters available, has been carried out for the town of Karasjok on the Karasjohka River. The model produces results with sufficient accuracy, of the effects from ice-dams on three different locations, for area planning and disaster control.
Year: 2002