Lotka–Volterra equation — The Lotka–Volterra equations, also known as the predator prey equations , are a pair of first order, non linear, differential equations frequently used to describe the dynamics of biological systems in which two species interact, one a predator… … Wikipedia
Floodgate — Tokyo floodgates created to protect from typhoon surges Floodgates are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems. They may be designed to set spillway crest heights in dams, to… … Wikipedia
Coastal development hazards — A coastal development hazard can be defined as the likelihood of an event or incident occurring multiplied by the seriousness of the event or incident if it occurred. The seriousness is controlled by how vulnerable the adversely affected party… … Wikipedia
Levee — For other uses, see Levee (disambiguation). The side of a levee in Sacramento, California A levee, levée, dike (or dyke), embankment, floodbank or stopbank is an elongated naturally occurring ridge or artificially constructed fill or wall, which… … Wikipedia
Groyne — Groynes in Sitges A groyne (groin in the United States) is a rigid hydraulic structure built from an ocean shore (in coastal engineering) or from a bank (in rivers) that interrupts water flow and limits the movement of sediment. In the ocean,… … Wikipedia
Managed retreat — Tollesbury Managed Realignment site in Essex, the first large scale attempt at salt marsh restoration in the UK In the context of coastal erosion, managed retreat (also managed realignment) allows an area that was not previously exposed to… … Wikipedia
Coastal management — This article is about coastal management aimed to prevent erosion and flooding. For broader management issues, see Integrated coastal zone management. Oosterscheldekering sea wall, the Netherlands. In some jurisdictions the terms sea defense and… … Wikipedia
Dolos — For the Gundam ship, see Dolos class. Dolosse Cape Town, South Africa A dolos (plural dolosse) is a concrete block in a complex geometric shape weighing up to 20 tons, used in great numbers to protect harbour walls from the erosive force of ocean … Wikipedia
Cliff stabilization — is a coastal management erosion control technique. This is most suitable for softer or less stable cliffs. Generally speaking, the cliffs are stabilised through dewatering (drainage of excess rainwater to reduce water logging) or anchoring (the… … Wikipedia
Ocean Beach Public Policy — Ocean Beach is a beach that runs along the west coast of San Francisco, California, United States, at the Pacific Ocean. It is adjacent to Golden Gate Park, the Richmond District and the Sunset District. The Great Highway runs alongside the beach … Wikipedia
