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Article

Geomorphology of the Po Fluvial Terraces in Turin Deduced by New Subsoil Data (NW Italy)

Department of Earth Sciences, University of Turin, 10125 Torino, Italy
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Author to whom correspondence should be addressed.
Academic Editor: Salvatore Ivo Giano
Water 2022, 14(18), 2872; https://doi.org/10.3390/w14182872
Received: 30 July 2022 / Revised: 3 September 2022 / Accepted: 8 September 2022 / Published: 14 September 2022
(This article belongs to the Special Issue Fluvial Geomorphology, River Management and Restoration)
Urban geomorphology is a theme of increasing interest over the last decades. The present research about the Turin geomorphology (NW Italy) was carried out based on the drilling of 40 boreholes, of which 34 were designed for the construction of a new sewer collector by SMAT-Società Metropolitana Acque Torino, while other 6 were in the Valentino Park. These investigations allow us to evaluate the detailed morphology of the proglacial plain of the Rivoli-Avigliana end-moraine system (RAES) and facies, thickness and petrographic composition of fluvial sandy gravel forming this plain (Turin Unit). The local discovery of a truncated palaeosol suggests that this unit lies on a significant erosional surface shaped on more ancient fluvial sediments. New radiocarbon dating of woody macrorest above the palaeosol proves the Last Glacial Maximum (LGM) age of the Turin Unit. The same investigations suggest the presence of erosional terraces (Molinette T1 and Murazzi T2), shaped by the Po River in the proglacial sediments, and depositional terraces (Vallere T3 and Parco Stura T4), which are essentially formed by sand. Dating of woody macrorest confirms the widespread presence of RAES Late Pleistocene proglacial sediments and the subsequent entrenched Po fluvial terraces due to a significant Holocene fluvial deviation. View Full-Text
Keywords: proglacial plain; fluvial terraces; Po River; Pleistocene–Holocene; Turin proglacial plain; fluvial terraces; Po River; Pleistocene–Holocene; Turin
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MDPI and ACS Style

Forno, M.G.; Gianotti, F.; Storti, U. Geomorphology of the Po Fluvial Terraces in Turin Deduced by New Subsoil Data (NW Italy). Water 2022, 14, 2872. https://doi.org/10.3390/w14182872

AMA Style

Forno MG, Gianotti F, Storti U. Geomorphology of the Po Fluvial Terraces in Turin Deduced by New Subsoil Data (NW Italy). Water. 2022; 14(18):2872. https://doi.org/10.3390/w14182872

Chicago/Turabian Style

Forno, Maria Gabriella, Franco Gianotti, and Umberto Storti. 2022. "Geomorphology of the Po Fluvial Terraces in Turin Deduced by New Subsoil Data (NW Italy)" Water 14, no. 18: 2872. https://doi.org/10.3390/w14182872

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