Tidal notches in Mediterranean Sea: a comprehensive analysis

Recent works (Evelpidou et al., 2012) suggest that the modern tidal notch is disappearing worldwide due sea level rise over the last century. In order to assess this hypothesis, we measured modern tidal notches in several of sites along the Mediterranean coasts. We report observations on tidal notches cut along carbonate coasts from 73 sites from Italy, France, Croatia, Montenegro, Greece, Malta and Spain, plus additional observations carried outside the Mediterranean. At each site, we measured notch width and depth, and we described the characteristics of the biological rim at the base of the notch. We correlated these parameters with wave energy, tide gauge datasets and rock lithology. Our results suggest that, considering \u2018the development of tidal notches the consequence of midlittoral bioerosion\u2019 (as done in Evelpidou et al., 2012) is a simplification that can lead to misleading results, such as stating that notches are disappearing. Important roles in notch formation can be also played by wave action, rate of karst dissolution, salt weathering and wetting and drying cycles. Of course notch formation can be augmented and favoured also by bioerosion which can, in particular cases, be the main process of notch formation and development. Our dataset shows that notches are carved by an ensemble rather than by a single process, both today and in the past, and that it is difficult, if not impossible, to disentangle them and establish which one is prevailing. We therefore show that tidal notches are still forming, challenging the hypothesis that sea level rise has drowned them

LES \uc9TUDES TYPOLOGIQUES EN ITALIE

in questo lavoro si presenta una panoramica degli studi di tipologia linguistica in Italia negli ultimi venti anni

Les \ue9tudes typologiques en Italie

none3in questo lavoro si presenta una panoramica degli studi di tipologia linguistica in Italia negli ultimi venti anni.mixedMauri, Caterina; Ramat, Paolo; Sansò, AndreaMauri, Caterina; Ramat, Paolo; Sansò, Andre

Reply to comment by Evelpidu N., and Pirazzoli P. on "Tidal notches in the Mediterranean sea: A comprehensive analysis"

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Geomorphological map of the Italian coast: From a descriptive to a morphodynamic approach.

This study was conducted within the framework of the \u201cCoastal Morphodynamics\u201d Working Group (WG) of the Italian Association of physical Geography and Geomorphology (AIGeo), according to the Institute for the Protection and Environmental Research (ISPRA) for the updating of the legend for the \u201cGeomorphological Map of Italy\u201d. The WG deals with the legend for the coastal areas, focusingits work on marine, lagoon and aeolian landforms, processes and deposits. In particular, the legend aims to classify coastal landforms in order to contribute to hazard and risk assessment,for supportingland-use planning and management. The legend allows the mapping of each landform in function of its genesis as well as its evolution and present dynamics, providing information about morphological characteristics at small and large scales. The relict morphological features and the active ones are reported along with the quantitative parameters useful for the description of the present wave/climate conditions and morphodynamics. As a result of the activities and experiments carried out by the \u201cCoastal Morphodynamics\u201d AIGeo WG during the last years, some examples of coastal geomorphological mappings at different scales (1:5,000 and 1:25,000) have been developed and are presented in this paper. The maps focus both on littoral plains and rocky coast dynamics as well as on the interactions with anthropic modifications