Estuary 2D: open with channels and sand dunes

Illustration of coastline base from dunes to open ocean

Illustration of open estuary base

Illustration of open estuary base with sand bar

Illustration of estuary base with dunes and salt wedge

Illustration of a 2D estuary with continental island and offshore reef

Illustration of estuary base with channels and offshore sand drift

Illustration of open estuary base with mud deposits

Illustration of 2-dimensional coastline base of a closed estuary with nearshore reefs