Registro del evento 8.2 ka en la plataforma continental de Alicante (SE españa)

  1. Tent Manclús, José Enrique
  2. Estévez Rubio, Antonio
  3. Corbí Sevila, Hugo
  4. Rey Salgado, Jorge
Revista:
Geogaceta

ISSN: 0213-683X

Año de publicación: 2009

Número: 47

Páginas: 97-100

Tipo: Artículo

Otras publicaciones en: Geogaceta

Resumen

High resolution seismic profiles of the Alicante continental shelf have been studied identifying a seismic prism which top at about -20 m below today sea-level. The prism is covered by recent sediments and can be interpreted as formed during a short interval of stand-by in the general transgression after the last glacial maximum. The -20 m level have been compared with the holocene Mediterranean sea-level-curve to propose an age of about 8 ka BP coinciding with the «8.2 ka cooling event» that was an abrupt, widespread climate instability. The prism top is deeper in the northern seismic profiles thus indicating a more subsidence that the southern coastal shelf where an erosion surface with rocky shoals configure the sea bottom.