a devastating mega-earthquake of magnitude 8.0 struck the Wenchuan area
northwestern Sichuan province
China. Wenchuan earthquake inevitably impaired the stability of mountains in the course of massive reverse-thrust strike-slip motion in the fault zone. Geohazards were triggered with the types of rock fall
rock avalanches
landslides
debris flows
and earthquake-lakes. In this paper
the types and characteristics of dammed lakes induced by Wenchuan earthquake are analized. The dammed lakes would seriously influence the river sediment transportation
fluvial processes and ecoenvironment. Consequently
the guidline and effective approaches for river restoration of dammed lake are susggested
so as to mitigate hazard loss and make the rivers influenced by the dammed lake serve us better.
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