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Article

GIS-Based Geomorphological Map of the Calore River Floodplain Near Benevento (Southern Italy) Overflooded by the 15th October 2015 Event

Department of Sciences and Technologies, University of Sannio, Via F. De Sanctis s.n.c., 82100 Benevento, Italy
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Water 2020, 12(1), 148; https://doi.org/10.3390/w12010148
Received: 29 November 2019 / Revised: 27 December 2019 / Accepted: 30 December 2019 / Published: 3 January 2020
(This article belongs to the Special Issue GIS Application in Fluvial Geomorphology and Landscape Changes)
On 15 October 2015, the floodplain of the Calore River underwent a destructive flood, with a stream stage increase up to 10 m. In this paper, we describe the GIS-based, object-oriented geomorphological map of the overflooded sectors of the Calore River floodplain near Benevento. The map graphically represents the field-checked results of a detailed geomorphological study carried out by means of GIS analysis of historical and topographic maps and orthophotos. Particular attention was devoted to the analysis of the channel adjustments experienced by the Calore River since the end of the 19th century, which shaped most of the landforms in the floodplain. The results showed that the investigated floodplain is characterized by abandoned channels, anthropogenic landforms, and five orders of recent river terraces separated by gently-sloping inactive fluvial scarps, less than 2 m high. On the oldest and/or more distal sectors of the floodplain, landforms are badly preserved, probably due to the more prolonged reshaping by natural erosional processes and anthropogenic activities, and to the high erodibility of the loose sediments in which they are shaped. The proposed map could be a key tool for a correct flood hazard assessment in the Benevento area, permitting thematic maps that avoid or reduce the negative effects of events similar to the 15 October 2015 flood. View Full-Text
Keywords: geomorphological mapping; GIS; flood hazard; channel adjustments; extreme events; Southern Apennines; Mediterranean area geomorphological mapping; GIS; flood hazard; channel adjustments; extreme events; Southern Apennines; Mediterranean area
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MDPI and ACS Style

Magliulo, P.; Valente, A. GIS-Based Geomorphological Map of the Calore River Floodplain Near Benevento (Southern Italy) Overflooded by the 15th October 2015 Event. Water 2020, 12, 148. https://doi.org/10.3390/w12010148

AMA Style

Magliulo P, Valente A. GIS-Based Geomorphological Map of the Calore River Floodplain Near Benevento (Southern Italy) Overflooded by the 15th October 2015 Event. Water. 2020; 12(1):148. https://doi.org/10.3390/w12010148

Chicago/Turabian Style

Magliulo, Paolo, and Alessio Valente. 2020. "GIS-Based Geomorphological Map of the Calore River Floodplain Near Benevento (Southern Italy) Overflooded by the 15th October 2015 Event" Water 12, no. 1: 148. https://doi.org/10.3390/w12010148

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