EM 1110-2-1100 (Change 1)
31 Jul 03
SCARP, BEACH
An almost vertical slope along the beach caused by erosion by wave action. It may vary in height from a few cm to
a meter or so, depending on wave action and the nature and composition of the beach. (See Figure A-1) See also
ESCARPMENT.
SCATTER DIAGRAM
A two-dimensional histogram showing the joint probability density of two variables within a data sample.
SCOUR
Removal of underwater material by waves and currents, especially at the base or toe of a shore structure.
SCOUR PROTECTION
Protection against erosion of the seabed in front of the toe.
SEA
(1) 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. (2) Waves caused by wind at the
place and time of observation. (3) State of the ocean or lake surface, in regard to waves.
SEA BREEZE
A light wind blowing from the sea toward the land caused by unequal heating of land and water masses.
SEA CHANGE
(1) A change wrought by the sea. (2) A marked transformation.
SEA CLIFF
A cliff situated at the seaward edge of the coast.
SEA GRASS
Members of marine seed plants that grow chiefly on sand or sand-mud bottom. They are most abundant in water
less than 9 m deep. The common types are: Eel grass (Zostera), Turtle grass (Thallasia), and Manatee grass (Syringodium).
SEA LEVEL
See MEAN SEA LEVEL.
SEA LEVEL RISE
The long-term trend in MEAN SEA LEVEL.
SEA PUSS
A dangerous longshore current; a rip current caused by return flow; loosely, the submerged channel or inlet through
a bar caused by those currents.
SEA STATE
Description of the sea surface with regard to wave action. Also called state of sea.
SEACOAST
The coast adjacent to the sea or ocean.
SEAMOUNT
An elevation rising more than 1000 meters above the ocean floor, and of limited extent across the summit.
Compare KNOLL.
A-68
Appendix A Glossary of Coastal Terminology
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