Hydrography Data

Show a land mass, other than a continent, surrounded by water.

Show a large body of water entirely surrounded by land.

Show on a shore, the area on which the waves break and over which shore debris (for example: sand, shingle, and/or pebbles) accumulate. A beach includes backshore and foreshore. See also Features: 'Nearshore', 'Backshore', and 'Foreshore'.

Show an excavation drilled or dug into the ground (for example: the sea bed) for the extraction of liquids and/or gases.

Show a structure primarily used as a berthing place for vessels.

Show a natural or artificial improved body of water providing protection for vessels and generally anchorage and docking facilities.

Shows a structure that protects a waterbody region (for example: a shore, a harbour, and/or an anchorage) from water waves by preventing them from reaching the protected region or reducing their magnitude.

Shows a barrier constructed to hold back water and raise its level to form a reservoir or to prevent flooding.

Show on a shore, the area on which the waves break and over which shore debris (for example: sand, shingle, and/or pebbles) accumulate. A beach includes backshore and foreshore. See also Features: 'Nearshore', 'Backshore', and 'Foreshore'.

Show any water the level of which changes periodically due to tidal action.