Coastal Protection Effects at Buenos Aires, Argentina

by Silvia C. Marcomini, Buenos Aires Univ, Buenos Aires, Argentina,
Rub?n A. L?pez, Buenos Aires Univ, Buenos Aires, Argentina,



Document Type: Proceeding Paper

Part of: Coastal Zone '93

Abstract:

A rapid population growing and a lack of a control planing of natural coastal resources increased damage assessments. Several buildings have been carried out to obtain a shoreline stabilization and protection at the major developed coastal localities whose principal economic activity is the tourism. Three kinds of structures are used for coastal protection: Groins, breakwaters, and seawalls and mounds. It was determined that a system of T shaped groins was the most effective structure for land conservation and local accretion for the coast studied, but the given structures installation can cause serious problems in waters pollution in localities with rapid population growing. Artificial nourishment is proposed as a good possibility for the populations located northern Punta Medanos, with three optional sites of sediment supply, inactive dunes sands (Punta Medanos), beach sectors with accretion produce by docks, Holocene beach ridges sands. The existing docks along the coastal zone produce accretion and local erosion, as the registered in the docks of Santa Teresita, Mar del Tuyu, Mar de Ajo and San Clemente del Tuyu. They generate erosional areas downdrift, affecting the more densely sector of town in both localities.

Subject Headings: Beach accretion | Coastal protection structures | Sea water | Docks | Erosion | Water pollution | Groins (structure) | Argentina | South America

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