Remotely sensed land‐cover change and floodplain disturbance following upstream‐migrating river avulsions in tropical rainforests
Riley T. Henson,
Douglas A. Edmonds,
Eli D. Lazarus
Abstract:The displacement of a river to a new position within its adjacent floodplain is called avulsion, and here we examine how a newly recognized style, called retrogradational avulsion, affects the surrounding floodplain in tropical rainforests using remote sensing. Retrogradational avulsions begin with a channel blockage that causes self‐propagating upstream dechannelization and flooding. While this flooding results in vegetation die‐off and floodplain sedimentation, few quantitative measurements of disturbance by… Show more
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