Hydrosphere: Oxbow Lakes Flashcards
in a river’s lower course…
meanders become more pronounced as the outer banks of the meander continue to erode laterally
the river flows faster…
on the outside bend and forms a river cliff
the river flows slower…
on the inside bend and forms a river beach
repeated erosion and deposition…
narrow the neck of the meander
eventually, the two outer bends meet and…
the river cuts straight through the neck of the mender, which may happen rapidly during a flood event due to the greater erosional force of the water
the river takes…
the shortest route through the neck
deposition of silt…
seals off the old meander, forming a straighter river channel
the old meander bend is left…
isolated from the main channel as an oxbow lake
as there is no water supply…
the feature may eventually dry up