Oceans

Oceans

An ocean is a body of saline water that composes a large part of a planet's hydrosphere.

Industry: Water bodies

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Oceans

Mean low water

Water bodies; Oceans

The average height of all of the low waters recorded at a given place over a 19-year period.

Mean sea level

Water bodies; Oceans

The average height of the surface of the sea at a given place for all stages of the tide over a 19-year period.

Neap tide

Water bodies; Oceans

A tide occurring near the time of quadrature of the moon with the sun. The neap tide range is usually 10- to 30-percent less than the mean tidal range.

High tide

Water bodies; Oceans

The maximum elevation reached by each rising tide.

Flood tide

Water bodies; Oceans

The period of tide between low water and high water. A rising tide.

Foreshore

Water bodies; Oceans

The steeper part of the beach that extends from the low water mark to the upper limit of high tide. The beach face.

Groyne

Water bodies; Oceans

A narrow, elongated coastal-engineering structure built on the beach perpendicular to the trend of the beach. Its purpose is to trap longshore drift to build up a section of beach.