In the upper part of the floodplain (on the glacier and steep gully) Manning´s coefficient was estimated 0.1–0.13 m -1/3 s with flood depths of up to 3.2 m.
Ofar í farveginum, á jökli og í miklum bratta, var stuðullinn metinn 0,1–0,13 m -1/3 s. Þar var flóðdýpt mest um 3,2 m.