“…A second set of research studies followed in the 1980s (Gellini et al, 1981(Gellini et al, , 1982(Gellini et al, , 1983(Gellini et al, , 1985(Gellini et al, , 1987Bussotti et al, 1984;Guidi et al, 1988;Innamorati et al, 1989;Grossoni et al, 1990), also focusing on San Rossore. In the meantime studies were also carried out in Australia (Pitman et al, 1977;Dowden et al, 1978; Grieve and Pitman, 1978;Truman and Lambert, 1978;Dowden and Lambert, 1979;Moodie et al, 1986), in France (Devèze and Sigoillot, 1978;Sigoillot et al, 1981;Sigoillot, 1982;Garrec and Sigoillot, 1992;Badot and Garrec, 1993) and, more recently, in Spain along the coast near Barcelona (Astorga et al, 1993). In all the areas studied the damage is located near urban zones or near wastewater collector tanks and extends inland for a stretch of a few hundred metres or at most 1 km.…”