Wetlands in the Venetian Po Plain (northeastern Italy) during the Last Glacial Maximum: Interplay between vegetation, hydrology and sedimentary environment

Miola, Antonella; Bondesan, Aldino; Corain, Livio; Favaretto, Sonia; Mozzi, Paolo; Piovan, Silvia; Sostizzo, Ismaele

doi:10.1016/j.revpalbo.2006.03.016

Cited by 74 publications

(57 citation statements)

References 16 publications

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“…For a definition of the LGM time we followed the recommendation of EPILOG including the maximum extent of the ice sheet (Mix et al, 2001). Considering the sea-level constraints and the detailed records of regional climatic change available from the ice cores, the EPILOG group reached a consensus that a preferred LGM chronozone can be defined as the interval between 23 000 and 19 000 calibrated years before present (BP), i.e.…”

Section: Palaeosite Selectionmentioning

confidence: 99%

“…Neither site reports the existence of warm-loving trees, however, a nearby coring in the Venice Lagoon (Canali et al, 2007) shows findings of Ostrya, a warm-loving tree, and cores covering the LGM in the Venetian Po Plain show poorly documented occurrences of Castanea sativa type (Miola et al, 2006). These sites have not been included in our list of reliable sites because they do not meet our requirements for being categorised as reliable sites.…”

Section: Temperatures Of Coldest Monthmentioning

confidence: 99%

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A comparison of climate simulations for the last glacial maximum with three different versions of the ECHAM model and implications for summer-green tree refugia

2011

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Abstract. Model simulations of the last glacial maximum (21 ± 2 ka) with the ECHAM3 T42 atmosphereonly, ECHAM5-MPIOM T31 atmosphere-ocean coupled and ECHAM5 T106 atmosphere-only models are compared. The topography, land-sea mask and glacier distribution for the ECHAM5 simulations were taken from the Paleoclimate Modelling Intercomparison Project Phase II (PMIP2) data set while for ECHAM3 they were taken from PMIP1. The ECHAM5-MPIOM T31 model produced its own sea surface temperatures (SST) while the ECHAM5 T106 simulations were forced at the boundaries by this coupled model SSTs corrected from their present-day biases and the ECHAM3 T42 model was forced with prescribed SSTs provided by Climate/Long-Range Investigation, Mapping, and Prediction project (CLIMAP).The SSTs in the ECHAM5-MPIOM simulation for the last glacial maximum (LGM) were much warmer in the northern Atlantic than those suggested by CLIMAP or Overview of Glacial Atlantic Ocean Mapping (GLAMAP) while the SSTs were cooler everywhere else. This had a clear effect on the temperatures over Europe, warmer for winters in western Europe and cooler for eastern Europe than the simulation with CLIMAP SSTs.Considerable differences in the general circulation patterns were found in the different simulations. A ridge over western Europe for the present climate during winter in the 500 hPa height field remains in both ECHAM5 simulations for the LGM, more so in the T106 version, while the ECHAM3 CLIMAP-SST simulation provided a trough which is consistent with cooler temperatures over western Correspondence to: S. A. G. Leroy (suzanne.leroy@brunel.ac.uk) Europe. The zonal wind between 30 • W and 10 • E shows a southward shift of the polar and subtropical jets in the simulations for the LGM, least obvious in the ECHAM5 T31 one, and an extremely strong polar jet for the ECHAM3 CLIMAP-SST run. The latter can probably be assigned to the much stronger north-south gradient in the CLIMAP SSTs. The southward shift of the polar jet during the LGM is supported by palaeo-data.Cyclone tracks in winter represented by high precipitation are characterised over Europe for the present by a main branch from the British Isles to Norway and a secondary branch towards the Mediterranean Sea, observed and simulated. For the LGM the different models show very different solutions: the ECHAM3 CLIMAP-SST simulation shows just one track going eastward from the British Isles into central Europe, while the ECHAM5 T106 simulation still has two branches but during the LGM the main one goes to the Mediterranean Sea, with enhanced precipitation in the Levant. This agrees with an observed high stand of the Dead Sea during the LGM. For summer the ECHAM5 T106 simulation provides much more precipitation for the present over Europe than the other simulations, thus agreeing with estimates by the Global Precipitation Climatology Project (GPCP). Also during the LGM this model makes Europe less arid than the other simulations.In many respects the ECHAM5 T106 simulation for the present is more realistic t...

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Section: Palaeosite Selectionmentioning

confidence: 99%

Section: Temperatures Of Coldest Monthmentioning

confidence: 99%

A comparison of climate simulations for the last glacial maximum with three different versions of the ECHAM model and implications for summer-green tree refugia

2011

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“…These processes even apply to the Eastern Po Plain landscape: urban development caused a gradual destruction of the original natural habitats, in particular of the temperate forests which, from the Bronze Age, widely covered the low Venetian Plain, as palaeoenvironmental investigations suggest (Miola et al 2006). The heavy human impact has forced woody vegetation in forest islands surrounded by a matrix typically composed of towns and arable crops (wheat, maize), very poor in hedgerows or other connecting elements.…”

Section: Introductionmentioning

confidence: 99%

Are the ancient forests of the Eastern Po Plain large enough for a long term conservation of herbaceous nemoral species?

Buffa

Villani

2012

Plant Biosystems - An International Journal Dealing with all As

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“…The alluvial plain, formed from the LGM to the Holocene, hosts a characteristic alternation of overbank, crevasse, natural levee, and floodplain deposits with common thin peat intercalations (Amorosi, Fontana, Antonioli, Primon, & Bondesan, 2008;Bondesan & Meneghel, 2004;Bondesan et al, 2008;Fontana, Mozzi, & Bondesan, 2008;Fontana, Mozzi, & Bondesan, 2010;Miola et al, 2006). In addition, peat formation occurred in poorly drained depressions where organic production prevailed over alluvial minerogenic sediment delivery, both during the LGM and historic time (Baroni, Zanchetta, Fallick, & Longinelli, 2006;Bondesan, Calderoni, & Rizzetto, 2003;Miola et al, 2006). This part of the Venetian mainland was extensively occupied by lagoons, marshes, and swamps, crossed by canals that often discharge into the Adriatic Sea.…”

Section: Geomorphological Settingmentioning

confidence: 99%

Geomorphological evolution of the plain between the Livenza and Piave Rivers in the sixteenth and seventeenth centuries inferred by historical maps analysis (Mainland of Venice, Northeastern Italy)

Furlanetto¹,

Bondesan

2014

Journal of Maps

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The ancient hydrographical network and geomorphological framework of the fluvial and coastal plain encompassed between the Livenza and Piave Rivers in the mainland of Venice (Northeastern Italy) were reconstructed, based on historical maps, georeferenced, and overlaid on available geomorphological maps and aerial photographs. A selection of 59 maps was accurately analyzed (32 from the sixteenth century, 31 from the seventeenth century, and 6 from the eighteenth century). They were selected by author, commitment, date, and scale, from among more than 1000 maps edited by Savi e Esecutori alle Acque (the 'hydrographical' service during the Republic of Venice) in the 16th and seventeenth century. The most representatives (7 from the sixteenth century and 6 from the seventeenth century) were georeferenced and redrawn. Finally, four 1:50.000 maps were created, picturing the ancient morphology and hydrographical network in the years 1550, 1600, 1650, and 1700, covering an area of about 130 square kilometers. Geographical information was compared with historical documents and geological, geomorphological, and geochronological data. Further comparison of geodetic maps from the eighteenth to the twenty-first century produced new maps with important information on the paleogeographical and environmental framework across two centuries, and particularly on the artificial diversion projects performed by the Venetian Republic, their effectiveness, and the geomorphological changes both related to human intervention and recent climatic changes.

show abstract

Wetlands in the Venetian Po Plain (northeastern Italy) during the Last Glacial Maximum: Interplay between vegetation, hydrology and sedimentary environment

Cited by 74 publications

References 16 publications

A comparison of climate simulations for the last glacial maximum with three different versions of the ECHAM model and implications for summer-green tree refugia

A comparison of climate simulations for the last glacial maximum with three different versions of the ECHAM model and implications for summer-green tree refugia

Are the ancient forests of the Eastern Po Plain large enough for a long term conservation of herbaceous nemoral species?

Geomorphological evolution of the plain between the Livenza and Piave Rivers in the sixteenth and seventeenth centuries inferred by historical maps analysis (Mainland of Venice, Northeastern Italy)

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