Landform

A landform or physical feature. Landform elements include mountains, plains, lakes, rivers, seascape and oceanic waterbody interface features such as bays, peninsulas, seas and so forth, including sub-aqueous terrain features such as submersed mountain ranges, volcanoes, and the great ocean basins.

Diagram

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Specializations of Landform

Class	Description
Body Of Water	A body of water, such as a sea, ocean, or lake.
Canal	A canal, like the Panama Canal.
Continent	One of the continents (for example, Europe or Africa).
Lake Body Of Water	A lake (for example, Lake Pontrachain).
Mountain	A mountain, like Mount Whitney or Mount Everest.
Ocean Body Of Water	An ocean (for example, the Pacific).
Pond	A pond.
Reservoir	A reservoir of water, typically an artificially created lake, like the Lake Kariba reservoir.
River Body Of Water	A river (for example, the broad majestic Shannon).
Sea Body Of Water	A sea (for example, the Caspian sea).
Volcano	A volcano, like Fujisan.
Waterfall	A waterfall, like Niagara.

Formalization for Landform

Property	Constraint
subClassOf	Place