Rubble

Loose angular water worn stones along a beach. Rough, irregular fragments of broken rock.

Glossary of Terms

A navigational and positioning system developed by the U.S. Department of Defense, by which the location of a position on or above the Earth can be determined by a special receiver at that point interpreting signals received simultaneously from several of a constellation of special satellites.

Incident wave

A wave moving landward.

Sea

A large body of salt water, second in rank to an ocean, more or less landlocked and generally part of, or connected with, an ocean or a larger sea. Examples: Mediterranean Sea; South China Sea.

Waves caused by wind at the place and time of observation.
State of the ocean surface, in regard to waves.

Pollution (marine)

The introduction by man, directly or indirectly, of substances or energy into the marine environment (including estuaries) resulting in such deleterious effects as harm to living resources, hazards to human health, hindrance to maritime activities including fishing, impairment of quality for use of sea water and reduction of amenities.

The contamination of the environment or poisonous substances.

Storm Surge

A temporary rise in sea level associated with a storm's low barometric pressure and onshore winds.

Berm

A geomorphological feature usually located at mid-beach and characterized by a sharp break in slope, separating the flatter backshore from the seaward-sloping foreshore.

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Rubble