1,721,098 research outputs found
La mappa del Valle (1801) come strumento d’indagine dell’evoluzione idrografica nella pianura veneta centro-meridionale
No full textThe “Mappa del Padovano, del Polesine di Rovigo, del Dogado, della parte meridionale del Vicentino, del Trevigiano e della parte settentrionale del Ferrarese” of Giovanni Valle (1801) describes an area that, from early history, was the scene of deep interactions between man and environment. This map provides a “diachronic picture” of this land in a single document, especially for hydrography. As reported in the cartouche: «...si contrassegnarono lungo ai Littorali, ai Porti e ai Fiumi le lor denominazioni antiche e moderne. L’Epoca che furon eseguiti i Canali artefatti, i rettifili de Fiumi, i nuovi alvei de medesimi originati da una rotta, e nel Dogado la situazione delle città demolite e dell’Isole sommerse». As the author continues, the map depicts «...grandiose e stupende operazioni eseguite sopra i Fiumi e sul Mare come Sostegni idraulici, Rettifili de Fiumi e Canali, artefatti si utili agli usi sociali, al Commercio, alla Navigazione e a preservare la Città di Venezia dagl’interramenti de Fiumi...».
In this paper the map is described as a precursor of modern eomorphological maps and also as a possible tool for the construction of cognitive frameworks in the plans
for exploitation and territorial development of the central-southern Venetian plain.
As reported, many of the water-related elements represented by the map and described in this paper, are suitable to be natural and cultural heritages. The abandoned meander of Pettorazza Grimani and the artificial cutting of Adigetto Canal, that are well represented by the Valle map, are described this way. The Volta
Pettorazza artificial meander cut-off is a main example of the cut-offs made along the lower course of the Adige River by the Venice Republic in the eighteenth century.
This palaeohydrographic element is of great interest not only geomorphological and geo-historical but also educational. The artificial cutting of Adigetto Canal (1760), included in the broader agenda of river management of the Serenissima Republic, is
related to the formation of the Lezze little Lake (Gorgo), already subject of valorization attempt. In this case, a map such as that of Valle (1801), that represents a “diachronic picture” of the territory, could be used to explain, even to a non-specialist
public, the “man-water” dynamics of the Venetian government
Palaeohydrography of Southern Venetian Plain and Man-Environmental Relationship in the Holocene
No full textQuesta ricerca multidisciplinare ha l’obiettivo di studiare l’evoluzione paleoidrografica della pianura Padano-Atesina (Italia nordorientale) e le relazioni
Uomo-Ambiente durante il tardo Olocene. La pianura veneta meridionale è formata dalle parti distali dei sistemi alluvionali dei fiumi Adige e Po. Numerose ricerche archeologiche in quest’area hanno evidenziato la presenza di una complessa rete di insediamenti, a partire dall’età del Bronzo (2200-1100 a.C.) (Bellintani & Zerbinati, 1984; Bellintani, 1986; Salzani, 1992), attraverso l’età del Ferro (1000-200 a.C.) e l’età Romana (200 a.C.-476 a.D.) (Peretto, 1986), quest’ultima caratterizzata dall’impostazione di un reticolo centuriato.
Le ricostruzioni paleoambientali del tardo Olocene, a scala regionale, sono state principalmente basate su interpretazioni da telerilevamento e dati archeologici (Peretto, 1986; Marcolongo, 1987; Marcolongo & Zaffanella 1987, Cremonini, 2007). In questa ricerca, vengono presentati nuovi dati geomorfologici, cronostratigrafici e petrografici, allo scopo di far luce sulle relazioni Uomo-Abiente nell’area di studio.
I sondaggi eseguiti a Cona hanno raggiunto il paleosuolo “caranto” che, nella Pianura Veneto-Friulana, rappresenta il limite Pleistocene-Olocene (Fontana et al., in stampa). La radiodatazione di uno strato di torba indica che il tasso deposizionale fu relativamente basso durante l’Olocene inferiore e medio, mentre fu più alto a partire dal 2763-2192 a.C. I dati geomorfologici, stratigrafici e petrografici confermano la presenza di un ramo
del Po da Fratta Polesine, attraverso Sarzano e Cona, la cui attività ebbe inizio nello stesso periodo e produsse il ventaglio di Rotta di Villadose. La sovrapposizione del sito archeologico di Saline sui depositi di argine naturale, proverebbero che la disattivazione del ramo più settentrionale del Po è avvenuta nel Bronzo finale. Durante l’epoca Romana, sui depositi di ventaglio di rotta di Villadose, si impostarono il decumano massimo della centuriazione e la villa di Ca’ Motte. Sia Saline che Ca’ Motte si trovano su alti morfologici caratterizzati da buone condizioni di drenaggio.
L’Adige attuale taglia il dosso del ramo più settentrionale del Po presso San Martino di Venezze. A Pettorazza, evidenze cronostratigrafiche e petrografiche di un corpo sabbioso sepolto atesino proverebbero che una prima attività fluviale dell’Adige, in quest’area, risale al periodo compreso tra l’età Romana e l’Alto Medioevo mentre la deposizione del dosso fluviale moderno cominciò all’inizio del secondo millennio a.C. Alcuni autori (Peretto, 1986; Balista, 2004) hanno suggerito la presenza di un ramo atesino più meridionale durante l’età Romana, che avrebbe prodotto il dosso, attualmente percorso dal Naviglio Adigetto. I risultati stratigrafici mostrano come a Ramalto, non vi sia la presenza di un corpo sabbioso importante in corrispondenza di tale dosso
5th QRA International Postgraduate Symposium 2006
No full textThe aim of the Quaternary Research Association (QRA), founded in 1964, is to promote understanding of the Quaternary Period by publishing fieldguides, technical guides and an international journal as well as holding field meetings and speaker meetings on a regular basis. Every year, the QRA organises a symposium for postgraduate researchers in which everyone has the opportunity to meet foreign collegues and to submit one’s own research works to the community of Quaternary studies. In 2006, the meeting has held in Edinburgh, Scotland
Studio paleogeografico presso Pettorazza Grimani (Rovigo)
No full textSince the 16th century the Venetian Republic started a land reclamation program with embankments and artificial cut-offs in the Polesine area. Due to river management, the recurrent floods, avulsions and crevasses which chararcterized the Adige river have greatly diminished in the last centuries. The study area consists of a stretch of low plain characterized by Late Holocene fine sediments. This work is focussed on the palaeo-meander of the Adige near the village of Pettorazza Grimani that was cut-off in 1783. Palaeogeographical map of the area of Pettorazza has been carried out throught the geomorphological study from microrelief and DTM analysis, historical cartography research and field survey
XVII INQUA Congress “The Tropics: the engine of the Quaternary” e viaggio attraverso il continente australiano
No full textThe XVII INQUA Congress has been held in Cairns and offered the opportunity to visit Australia. The journey started from Perth (Western Australia), passed through the red centre (Northern Territory and stopped in Queensland for the congress. After that, during the post-congress fieldtrip a variety of aeolian landscapes in southeastern Australia from Adelaide to Sydney were studied. To conclude the journey, Melbourne and the Great Ocean Road were visited
The Use of Colors in Historical Atlases
Full text linkThe use of colour in cartography has received a great deal of attention for its capability to convey information in map-making ever since Jacques Bertin’s famous Se ́miologie Graphique (published 1967). Since most studies on the use of colour in cartography clearly highlight the communicative power of colour in cartography, it is interesting and surprising that the use of colour to convey messages beyond the declared one is not taken into consideration into these works. The possible attempt of cartographers to imply nationalistic propaganda by their use of colour and its analysis is left to books on cartographic propaganda, to studies on historical atlases, or to articles on thematic maps. To merge these two topics, an analysis of South Tyrolean-themed maps taken from the most important German and Italian historical atlases based on psychological, symbolic, and optical theories is given. The analysed atlases were been published between the end of the processes of national unification and the aftermath of the Second World War, the period in which the South Tyrol was most disputed between German and Italian nationalists
Evoluzione paleoidrografica della pianura veneta meridionale e rapporto Uomo-Ambiente nell’Olocene
No full textThis multidisciplinary research studies the palaeohydrography of the distal part of the Adige and Po alluvial plain (north-eastern Italy) for understanding man-environment relations during the Late Holocene. The southern Venetian plain corresponds to the distal tracts of the Adige and Po alluvial systems. Archaeological investigations in this area, indicate the existence of a complex settlement network, starting in the Bronze Age (2200-1000 B.C.) and continuing in the Iron Age (1000-200 B.C.) and Roman times (200 B.C.-476 A.D.) with a well-preserved Roman centuria.
The reconstruction of the palaeoenvironmental conditions during the Late Holocene has been mainly based on remote sensing interpretation and archaeological data. In this reseach, new geomorphological, chronostratigraphical and petrographical data are presented, in order to provide better insights on the man-environment relationships in the study area
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