1,720,966 research outputs found
Assessment of coastal erosion susceptibility at the national scale: The Italian case
No full textTo improve the present national and local sustainable planning capability for the coastal zone a GI application for the Italian Coastal Susceptibility Assessment was planned within an institutional agreement between ENEA and the Land Defence Service of the Italian Ministry of Environment. Taking into account previous European actions a suitable methodology to assess, in a quantitative way, the susceptibilty of beaches to be eroded has been set up. The methodology balances the coastline trend as evaluated for a defined time period with the present coastal areas morphology and land use, this in order to derive a value that expresses the evolutionary process in terms of probability of the loss of goods within the 'Homogeneous Coastal Tracts'. The trend in the movement of the sea-land line has been used as geo-indicator of a complex dynamic balance that refers both to marine and inland systems, and a vector GI application was built and locally applied in southern Italian coastal areas. The present shoreline position and some other information describing the intrinsic beach morphologies, and having significance for the coastal erosion hazard assessment, have been derived from the national 1:10.000 ortho-images of the National Cartographic Reference System provided by the Italian Ministry of Environment. The illustrated GI application - CoSTAT - keeps the nominal scale of all data collected or produced. In this analysis the coastal dune presence is analysed as factor limiting coastal erosion susceptibility. Applying a matrix calculation a quantitative evaluation of erosion susceptibility degree was achieved and plans were made to develop new information for a suitable use of Italian coastal areas. The work describes the methodology, the conceptual framework and the results of a local application
Le dune costiere dell’Emilia-Romagna
No full textDescrizione dello stato delle dune costiere dell'Emilia-Romagn
A national database on coastal dunes: Emilia-Romagna and southern Veneto littorals (Italy)
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Evoluzione dell’uso del suolo nei bacini fluviali - piana costiera ionica della Basilicata.
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Interaction between Catchment Basin Management and Coastal Evolution (Southern Italy)
No full textThe research highlights the consequence of an imbalance between "basin management scale" and "coastal management areas" and investigates the relationship between coastline erosion and natural evolution of the inland system at the short-medium timescale while taking account of local climatic changes and sea level rise. The study was undertaken in the Bradano and Basento catchment basins, on the Ionian coast of Basilicata Region (Southern Italy) through an institutional agreement between ENEA (the National Agency for New Technologies) and the Italian Ministry of Environment. In this area previous studies highlighted an important erosional coastline trend that began about 1950. No previous study has considered the role of the coastal river catchment area in this erosion. With this aim, contemporary data for coastal and inland evolution were gathered and compared, implementing existing knowledge with land use analysis in the Bradano and Basento basins using multitemporal Landsat TM Images. For the coastal zone, the analysis was carried out at a more detailed scale using different cartographic sources mainly at 1:10.000 scale spanning the past 45 years. The hydrographic network data was analysed to consider fluvial solid transport, dams, locks, and historical precipitation data series. The land use changes analysis has focused on inland features related to the desertification process, rainfall intensity and climatic changes. These features have been analysed mainly in relation to their contribution to soil erosion and subsequent sediment supply availability. Analysis of the coastline focused on changes in beaches, dunes and backshore areas
Hazard geomorfologico dei beni archeologici nella costa lucana ionica (Progetto Archeomar)
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