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Beach Mining Quarry

Beach Sand Mining / Quarrying

Beach sand mining is prohibited in Trinidad and Tobago but still occurs, especially in Tobago because of the lack of naturally occurring aggregate. Some beach sand, because of its composition, is added to the mortar mixture used for homes and other structures. The practice of beach sand mining however, causes beach erosion; removal of natural beach vegetation; disrupts beach habitats and nesting grounds of marine turtles; increases the impact of waves along the coastline; and leads to saltwater intrusion. ...

Beaches Erosion

Beach Erosion

Erosion of beaches may be both natural and human-induced and is a result of loss of sediment. Natural erosion is caused by the impact of waves. Beaches are dynamic, with normal fluctuations in sediment levels during the course of a year. Typically, there is ‘natural’ erosion during the stormy months (November to April) with recovery during the calmer period (May to October). These systems are described as being in ‘dynamic equilibrium’. Where recovery does not occur or erosion is exacerbated due to human activities, beaches become unstable and shoreline retreat follows. The closure zone is demarcated on its seaward margin by an imaginary line beyond...

Beach Safety

Safety at Beaches

Safety at Beaches The safer months for sea bathing in Trinidad and Tobago are generally from May to October. During this period, except for the occasional storm, the water tends to be calmer. From November to April the sea tends to be rougher. Bathers should take extra care when swimming during these months. On beaches where there are lifeguards, bathers should note the red warning flags denoting danger areas. Red/yellow flags indicate areas where it is safe to bathe. Ask the lifeguard on duty if you are not sure. NEVER bathe alone. Local residents usually know of the occurrence of rip currents and other hazards – ask...

Coastal Dynamics

Coastal Dynamics

What is a beach? A beach is a length of coastline where there is an accumulation of sediment, usually sand, but sometimes gravel or small boulders, alone or in any combination. Beaches can be sections of bays. For example, Chagville ‘Beach’ and Williams ‘Bay’ are sections of the larger Carenage Bay. For the purpose of this guide, unless otherwise stated, the terms ‘beach’ and ‘bay’ are used interchangeably. Beach Morphology There are two parts to every beach: the foreshore, which may slope gently or steeply down to the water and which is in direct contact with the sea as the tides ebb and flow, and the backshore...