Gravity instabilities in the Dohrn canyon (Naples Bay, Southern Tyrrhenian sea). Potential wave and run-up (tsunami) reconstruction from a fossil submarine landslide (Articolo in rivista)

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Label
  • Gravity instabilities in the Dohrn canyon (Naples Bay, Southern Tyrrhenian sea). Potential wave and run-up (tsunami) reconstruction from a fossil submarine landslide (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.2478/v10096-011-0005-z (literal)
Alternative label
  • Vincenzo Di Fiore; Gemma Aiello; Bruno D'Argenio (2011)
    Gravity instabilities in the Dohrn canyon (Naples Bay, Southern Tyrrhenian sea). Potential wave and run-up (tsunami) reconstruction from a fossil submarine landslide
    in Geologica Carpathica (Bratisl., Tlacené vyd.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Vincenzo Di Fiore; Gemma Aiello; Bruno D'Argenio (literal)
Pagina inizio
  • 55 (literal)
Pagina fine
  • 71 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 62 (1) (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • lavoro in volume speciale di Geologica Carpathica dedicato al 13 Congresso RCMNS - Napoli doi:10.2478/v10096-011 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#descrizioneSinteticaDelProdotto
  • lavoro su rivista internazionale ISI con referee (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR IAMC Sede di Napoli (literal)
Titolo
  • Gravity instabilities in the Dohrn canyon (Naples Bay, Southern Tyrrhenian sea). Potential wave and run-up (tsunami) reconstruction from a fossil submarine landslide (literal)
Abstract
  • We discuss a mathematical model of wave and run-up generated ancient submarine landslides in the canyons of the Bay of Naples (Magnaghi-Dohrn canyon system). The morpho-bathymetry and submarine gravity instabilities of such incisions have been investigated through the interpretation of a high resolution DEM. THe canyons are located in a sector of the bay where there is a variable interaction of volcanic activity (Phlegrean Fields and Ischia and Procida islands) with sedimentary processes due to the Sarno-Sebeto rivers. At present the Naples canyon-system is inactive, as evidenced by the Holocene sedimentary drapes deposited during the present sea-level highstand, but gravity instabilities occurred in the recent past at the canyons'heads. In particular the Dohrn Canyon is characterized by a double regressive head, while the Magnaghi Canyon shows a trilobate head, formed by the junction of three main tributary channels and coincident with the retreat of the shelf break around the 140 m isobath. The results of a simulation of failures in the above source areas shows that the amplitude of wave run-up, expressed in terms of the sea floor depth percentage, may range up to 2.5% of the water depth at the sea bottom. The results of a simulation of failures at the above source areas show that the amplitude of wave run up, expressed in terms of the seafloor depth percentage, may range up to 2,5% of the water depth at the sea bottom. (literal)
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