EM 1110-2-1100 (Change 1)
31 Jul 03
WAVE VELOCITY
The speed at which an individual wave advances.
WAVE, WIND
See WIND WAVES.
The horizontal distance between similar points on two successive waves measured perpendicular to the crest.
WAVES, INTERNAL
See INTERNAL WAVES.
WEIBULL DISTRIBUTION
A model probability distribution, commonly used in wave analysis.
WEIR
A low dam or wall across a stream to raise the upstream water level. Termed fixed crest weir when uncontrolled.
WEIR JETTY
A jetty with a low section or weir over which littoral drift moves into a predredged deposition basin which is then
dredged periodically.
WETLANDS
Lands whose saturation with water is the dominant factor determining the nature of soil development and the types
of plant and animal communities that live in the soil and on its surface (e.g. Mangrove forests).
WELL-SORTED
Clastic sediment or rock that consists of particles all having approximately the same size. Example: sand dunes.
WHARF
A structure built on the shore of a harbor, river, or canal, so that vessels may lie alongside to receive and discharge
cargo and passengers.
WHITECAP
On the crest of a wave, the white froth caused by wind.
WICKER FAGGOT
Bundles of twigs or sticks, often willow, used in building earthworks or levees (traditional practice in Holland and
China.). Alternate term: fascine
WIND CHOP
See CHOP.
WIND, FOLLOWING
See FOLLOWING WIND.
WIND, KATABATIC
See KATABATIC WIND
WIND, OFFSHORE
A wind blowing seaward from the land in a coastal area.
Appendix A Glossary of Coastal Terminology
A-91
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