EM 1110-2-1100 (Change 1)
31 Jul 03
Very slow, continuous downslope movement of soil or debris.
An indented or wavy shoreline beach form, with the regular seaward- pointing parts rounded rather than sharp, as in
the cuspate type.
Highest point on a beach face, BREAKWATER, or SEAWALL.
CREST LENGTH, WAVE
The length of a wave along its crest. Sometimes called CREST WIDTH.
CREST OF WAVE
(1) the highest part of a wave. (2) That part of the wave above still-water level. (See Figure II-1-4.)
CREST OF BERM
The seaward limit of a berm. Also called BERM EDGE. (See Figure A-1.)
CREST WIDTH, WAVE
See CREST LENGTH, WAVE.
An arrangement of relatively thin layers of rock inclined at an angle to the more nearly horizontal BEDDING
PLANES of the larger rock unit. Also referred to as cross-stratification.
Perpendicular to the SHORELINE.
Concrete superstructure on a rubble mound.
(1) The flowing of water, or other liquid or gas. (2) That portion of a stream of water which is moving with a
velocity much greater than the average or in which the progress of the water is principally concentrated. (3) Ocean currents
can be classified in a number of different ways. Some important types include the following: (1) Periodic - due to the effect
of the tides; such Currents may be rotating rather than having a simple back and forth motion. The currents accompanying
tides are known as tidal currents; (2) Temporary - due to seasonal winds; (3) Permanent or ocean - constitute a part of the
general ocean circulation. The term DRIFT CURRENT is often applied to a slow broad movement of the oceanic water; (4)
Nearshore - caused principally by waves breaking along a shore.
One of the offshore currents flowing generally parallel to the shoreline in the deeper water beyond and near the surf
zone; these are not related genetically to waves and resulting surf, but may be related to tides, winds, or distribution of mass.
A broad, shallow, slow-moving ocean or lake current. Opposite of CURRENT, STREAM.
The tidal current away from shore or down a tidal stream. Usually associated with the decrease in the height of the
Appendix A Glossary of Coastal Terminology