A multiscale geoarchaeological approach from the Laurentine shore (Castelporziano, Lazio, Italy)

Bicket, Andrew; Rendell, H.M.; Claridge, Amanda; Rose, Peter J.; Andrews, Jeffrey C; Brown, Fiona S.J.

doi:10.4000/geomorphologie.7720

Cited by 16 publications

(17 citation statements)

References 22 publications

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“…In the immediate surroundings of the Tiber River mouth, Bicket et al . () report on increased phases of Tiber delta progradation during the Roman period as well as during the past 500 or so years and recognized at least nine phases of dune ridge development. Between the 6th and 2nd millennium bc , a coastal lagoon formed immediately to the east of where ancient Ostia was later founded; later, possibly due to a shift of the main channel of the Tiber River, this lagoon experienced considerable siltation.…”

Section: Physical and Archaeological Settingmentioning

confidence: 99%

River channel evolution and tsunami impacts recorded in local sedimentary archives – the ‘Fiume Morto’ at Ostia Antica (Tiber River, Italy)

et al. 2019

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Ostia, the ancient port of Rome at the mouth of the river Tiber (Italy), flourished until the 2nd Century ad, although massive siltation had already caused the abandonment of its lagoonal harbour in the 1st Century bc. In search of an alternative harbour site, geomorphological and geoarchaeological research was carried out in the ‘Fiume Morto’, an abandoned Tiber meander to the immediate north of the town. To reconstruct its complex development and evaluate the suitability of the river channel as a fluvial harbour, a transect perpendicular to the former river channel's flow axis was systematically explored by a new methodological approach combining electrical resistivity tomography, direct push‐electrical conductivity sensing and vibracores. Together with microfossil, mineralogical and geochemical analyses of sediment samples and 50 radiocarbon dates, in‐depth stratigraphic data support a detailed reconstruction of different Tiber channel generations. Results reveal a meander development closely related to distinct ‘cut and fill’ dynamics. Inactive river channels were repeatedly filled with lagoonal sediments, abruptly followed by phases of intense incision. Yet, the overall Fiume Morto channel structure remained stable and almost in situ over centuries, showing nearly no lateral changes since the southward shift of the Tiber River mouth in the first millennium bc. In the 1st Century bc, channel conditions favoured navigation and transportation of goods with large ships. Open‐water conditions, suitable for anchoring and landing activities, dominate from the 1st Century ad until 1557 ad, when the Fiume Morto meander was finally cut off and silted up within a short time. Within the fluvial deposits, sediments most likely related to tsunami inundations are preserved. These events occurred sometime before the 2nd Century bc, in the early 1st Century ad and in the 17th Century ad or later. Results are consistent with traces of tsunami influence found in Ostia's western lagoonal harbour.

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Section: Physical and Archaeological Settingmentioning

confidence: 99%

River channel evolution and tsunami impacts recorded in local sedimentary archives – the ‘Fiume Morto’ at Ostia Antica (Tiber River, Italy)

et al. 2019

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“…Between 2100-1900 cal. BP the frequency of large floods in the Tiber River at Rome increased (Camuffo and Enzi, 1995) and led to high sediment production and progradation of the delta and coastal areas (Bicket et al, 2009). An investigation of the alluvial stratigraphy of the Arno and Serchio rivers in western Tuscany reported the discovery of at least 16 well-preserved Roman ships, most probably destroyed by flows generated by levee crevassing of the Arno River (Benvenuti et al, 2006;Mariotti-Lippi et al, 2007).…”

Section: North-western Mediterranean Regionmentioning

confidence: 99%

Holocene flooding and climate change in the Mediterranean

Benito

Macklin

Zielhofer

et al. 2015

CATENA

169

124

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Mediterranean fluvial hydrology is characterised by decadal-to-multi-centennial length wet and dry episodes with abrupt transitions related to changes in atmospheric circulation. Since the mid-1990s site-based flood chronologies from slackwater deposits in bedrock rivers and regionally aggregated flood histories from alluvial deposits have developed increasingly higher resolution chronological frameworks, although regional coverage is still uneven. This paper analyses the spatial and temporal distribution of extreme Holocene hydrological events recorded in fluvial stratigraphy in the Iberian Peninsula (Spain and Portugal), southern France, southern Italy, Northern Africa (Morocco and Tunisia) and eastern Mediterranean (Greece, Crete, Turkey, Cyprus and Israel). This study constitutes the most comprehensive investigation of Holocene river flooding ever undertaken in the Mediterranean and is based on the analysis of 515 14 C and 53 OSL dates. It reveals that flood periods in different regions cluster into distinct time intervals, although region-wide flooding episodes can be identified at

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“…In central Italy, more intense fluvial activity seems to have occurred during Roman Imperial times and reduced during the Late Antiquity and the early Middle Ages (Benvenuti et al, 2006;Bicket et al, 2009). Some of those past hydrological events have been monitored in Rome and have been mentioned by ancient authors (Le Gall, 1953;Bersani and Bencivenga, 2001).…”

Section: Geology and Geographymentioning

confidence: 99%

“…The Canale di Comunicazione Traverso in Portus Pellegrino, 2000), lagoons (Giraudi, 2002;Di Rita et al, 2009;Bellotti et al, 2011) and the coastline variations (Giraudi, 2004;Rendell et al, 2007;Bicket et al, 2009) more precisely. In central Italy, more intense fluvial activity seems to have occurred during Roman Imperial times and reduced during the Late Antiquity and the early Middle Ages (Benvenuti et al, 2006;Bicket et al, 2009).…”

Section: Geology and Geographymentioning

confidence: 99%

The Canale di Comunicazione Traverso in Portus: the Roman sea harbour under river influence (Tiber delta, Italy)

Salomon¹,

Delile²,

Goiran³

et al. 2012

geomorphologie

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A multiscale geoarchaeological approach from the Laurentine shore (Castelporziano, Lazio, Italy)

Cited by 16 publications

References 22 publications

River channel evolution and tsunami impacts recorded in local sedimentary archives – the ‘Fiume Morto’ at Ostia Antica (Tiber River, Italy)

River channel evolution and tsunami impacts recorded in local sedimentary archives – the ‘Fiume Morto’ at Ostia Antica (Tiber River, Italy)

Holocene flooding and climate change in the Mediterranean

The Canale di Comunicazione Traverso in Portus: the Roman sea harbour under river influence (Tiber delta, Italy)

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