Bottom

Illustration of anchor

Illustration of bottom roughness

Illustration of dredge

Illustration of dredge boat

Illustration of dredge 3

Illustration of lake cross sectional base with turbidite and laminations

Illustration of lake cross sectional base with varves

Illustration of mountains and laminated lake

Illustration of river base with foothills and sandy riverbed

Illustration of base with meandering river with sandy banks

Illustration of river base with sandy bottom

Illustration of sediment grab

Illustration of stream base with sandy banks in valley

Illustration of thermally powered submersible glider

Illustration of VIMS Fetch autonomous underwater vehicle