An artificial object which lies inside a body of water and has one of the following types of function: - Retains the water - Regulates the quantity of water - Alters...

RiverBasin: The area of land from which all surface run-off flows through a sequence of streams, rivers and, possibly, lakes into the sea at a single river mouth, estuary or...

Hydrographic Network

The line where a land mass is in contact with a body of water.

A natural place where water appears, disappears or changes its flow.

A body of water that is entirely surrounded by land.

The narrow strip of land in immediate contact with any body of water including the area between high and low water lines.