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Open AccessArticle

Integrated Low-Cost Approach for Measuring the State of Conservation of Agricultural Terraces in Tuscany, Italy

1
Dipartimento di Scienze e Tecnologie Agrarie, Alimentari Ambientali e Forestali, Università degli Studi di Firenze, 50121 Firenze, Italy
2
CNR-IBE—Consiglio Nazionale della Ricerca, Istituto di BioEconomia, 50019 Florence, Italy
3
Bluebiloba Startup Innovativa SRL, 50126 Florence, Italy
4
LaMMA Consortium, 50019 Florence, Italy
5
Laboratorio Congiunto ForTech, 50145 Florence, Italy
*
Authors to whom correspondence should be addressed.
Water 2021, 13(2), 113; https://doi.org/10.3390/w13020113
Received: 18 November 2020 / Revised: 24 December 2020 / Accepted: 29 December 2020 / Published: 6 January 2021
(This article belongs to the Special Issue Terraced Landscapes and Hydrological-Geological Hazards)
Agricultural terraces are an important element of the Italian landscape. However, abandonment of agricultural areas and increase in the frequency of destructive rainfall events has made it mandatory to increase conservation efforts of terraces to reduce hydrological risks. This requires the development of new approaches capable of identifying and mapping failed or prone-to-fail terraces over large areas. The present work focuses on the development of a more cost-effective alternative, to help public administrators and private land owners to identify fragile areas that may be subject to failure due to the abandonment of terracing systems. We developed a simple field protocol to acquire quantitative measurements of the degree of damage—dry stone wall deformation—and establish a damage classification system. This new methodology is tested at two different sites in Tuscany, central Italy. The processing is based on existing DTMs derived from Airborne Laser Scanner (ALS) data and open source software. The main GIS modules adopted are flow accumulation and water discharge, processed with GRASS GIS. Results show that the damage degree and terrace wall deformation are correlated with flow accumulation even if other factors other than those analyzed can contribute to influence the instability of dry stone walls. These tools are useful for local land management and conservation efforts. View Full-Text
Keywords: agricultural terraces; maintenance; failure risk; LiDAR; GRASS GIS; land abandonment; flow accumulation; water discharge agricultural terraces; maintenance; failure risk; LiDAR; GRASS GIS; land abandonment; flow accumulation; water discharge
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MDPI and ACS Style

Cambi, M.; Giambastiani, Y.; Giannetti, F.; Nuti, E.; Dani, A.; Preti, F. Integrated Low-Cost Approach for Measuring the State of Conservation of Agricultural Terraces in Tuscany, Italy. Water 2021, 13, 113. https://doi.org/10.3390/w13020113

AMA Style

Cambi M, Giambastiani Y, Giannetti F, Nuti E, Dani A, Preti F. Integrated Low-Cost Approach for Measuring the State of Conservation of Agricultural Terraces in Tuscany, Italy. Water. 2021; 13(2):113. https://doi.org/10.3390/w13020113

Chicago/Turabian Style

Cambi, Martina; Giambastiani, Yamuna; Giannetti, Francesca; Nuti, Elena; Dani, Andrea; Preti, Federico. 2021. "Integrated Low-Cost Approach for Measuring the State of Conservation of Agricultural Terraces in Tuscany, Italy" Water 13, no. 2: 113. https://doi.org/10.3390/w13020113

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