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Glossary

Term Description
R&D Research & Development
Range of tide The difference in height between consecutive high and low waters.
RBMPs River Basin Management Plans
Receiving environment Expression used to identify the environment affected by a specific impact. Sometimes also referred to as the “receptor”
Recharge The anthropogenic placement of dredged sediment in intertidal areas
Reclamation An area of land converted from the sea usually involving conversion of intertidal or subtidal areas to supratidal areas.
Reflected Wave That part of an incident wave that is returned seaward when a wave impinges on a steep beach, barrier, or other reflecting surface.
Refraction The tendency of wave crests to become parallel to bottom contours as waves move into shallower waters. This effect is caused by the shoaling process which slows down waves in shallower waters.
Relative mean sea level change A local change in mean sea level relative to the land. May be composed of both an absolute mean sea level change component as well as a vertical land movement change component.
Return Period Expected average interval between the occurrences of events at a particular threshold.
RMS value Root Mean Square value – statistical measure of magnitude of a varying quantity and e.g. also can be used as a measure of error between model and measured values

Glossary index

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Last Modified on: 19 June 2011
Printed from the Estuary Guide on 26/08/2019 04:19:55