Coastal processes and environmental hazards: the Buenos Aires (Argentina) and Venetian (Italy) littorals |
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| Authors: | Jorge Pousa Luigi Tosi Eduardo Kruse Dardo Guaraglia Maurizio Bonardi Andrea Mazzoldi Federica Rizzetto Enrique Schnack |
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| Institution: | (1) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata (UNLP), Calle 64 (entre 119 y 120), 1900 La Plata, Buenos Aires Province, Argentina;(2) Institute of Marine Sciences (ISMAR), National Research Council (CNR), San Polo 1364, 30125 Venice, Italy;(3) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata (UNLP), Paseo del Bosque, 1900 La Plata, Buenos Aires Province, Argentina;(4) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Facultad de Ingeniería, Universidad Nacional de La Plata (UNLP), Calle 47 esq. 115, 1900 La Plata, Buenos Aires Province, Argentina;(5) Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC) and Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata (UNLP), Calle 64 (entre 119 y 120), 1900 La Plata, Buenos Aires Province, Argentina |
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| Abstract: | The Buenos Aires (Argentina) and Venice (Italy) coastlands have experienced significant saltwater contamination of the phreatic
aquifer, coastal erosion, hydrodynamic changes and relative sea level rise processes due to natural and man-induced factors.
These factors expose coastal areas to morpho-hydro-geological hazards, such as soil desertification, frequency and degree
of flooding, littoral erosion, and the silting of river mouths and channels. Man-made interventions and actions, such as beach
mining, construction of coastal structures and exploitation of aquifers without an adequate knowledge of the hydrology setting
and an adequate management program, worsen these natural hazards. Uncontrolled human activity induces environmental damage
to the overall coastal plains. The coastal plains play an important role in the social/economic development of the two regions
based on land use, such as agriculture, horticulture, breeding, and tourism, as well as industry. Results of investigations
on saltwater contamination, sea level rise and morphological changes recently performed in these two coastal areas are presented
here. |
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| Keywords: | Coastal processes Hydrogeological hazard Saltwater contamination Sea level rise Venice (Italy) and Buenos Aires (Argentina) |
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