‘A “catastrophic” flood, often generated by an ice-dammed lake outburst’, for example the volcanic eruption and concomitant catastrophic flooding from Grímsvötn, Iceland, in November 1996 (Tweed and Russell (1999) PPG23, 1). Alho (2003) Geograf. Annal. A 85, 3–4 illustrates the severe and extensive jökulhlaup-induced process of land degradation.
Subjects: Earth Sciences and Geography.