Gullies in the highlands called lavakas are a major source of sediment.
Image of the Day Land Water
Evidence of severe flooding in Madagascar, in the wake of Tropical Cyclone Giovanna, was a sediment plume at the mouth of the Onibe River.
Image of the Day Land Water Severe Storms
Flowing past the city of Vancouver, the Fraser River delivers a thick plume of sediment to the Strait of Georgia.
Image of the Day Land Life Water
Muddy river flow builds up the delta and the coastline on the island’s west coast.
Image of the Day Water
Spain's Ebro Delta has recently experienced tremendous shape-shifting.
Image of the Day Land Water Human Presence
This astronaut photograph highlights two biologically productive estuaries on the coast of Madagascar.
Image of the Day Land Life
Image of the Day Land
In the past few centuries, a river in northwestern Canada stopped wandering and assumed a more direct route to the sea.
The Ebro River Delta, located along the eastern coast of Spain, is one of the largest wetland areas in the western Mediterranean region.