seawalls

Success story in battle against illegal seawalls in Hawaii

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coastal

planning

seawalls

Glossary of Terms

Rubble

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

Longshore Transport

Sediment transport down the beach (parallel to the shoreline) caused by longshore currents and/or waves approaching obliquely to the shoreline.

Nearshore

In beach terminology an indefinite zone extending seaward from the shoreline well beyond the breaker zone.

The zone which extends from the swash zone to the position marking the start of the offshore zone, typically at water depths of the order of 20m.

Environmental Valuation

Procedures for valuing changes in environmental goods and services, whether or not they are traded in markets, by measuring the changes in the consumer or producer surpluses associated with these environmental goods.

Water Level

The elevation of still water level relative to some datum.

Urban Runoff

The input of hydrocarbons, heavy metals, pesticides, and other chemicals to the nearshore marine environment from densely populated areas.

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