Gracchi, T., Nolesini, T., Rossi, G., Tacconi Stefanelli, C., Tanteri, L., Carlà, T., Gigli, G., Di Traglia, F. and Casagli, N. 2026. Enhanced mapping and modeling of multiple debris flow by lidar-based fixed wing UAV surveying. Italian journal of engineering geology and environment. (Jun. 2026), 123–131. DOI:https://doi.org/10.4408/IJEGE.2026-01.S-12.