braided river in denali national park alaska - network of river channels also called aits or eyots sometimes formed of the unoff

abstract alaska avulsion background bar beach bifurcation braided branch brown channel channels confluence debris denali development diffluence dirt diverge dynamics earth eyots flowing forest glacial glacier ice island islands land melt morphodynamics mountain national natural nature outdoor outdoors pattern rapid river runoff sand sediment shallow stream striped surface texture textured types usa vector water wide