Abstract
The Stream Length-Gradient (SL) index is used to detect knickpoints potentially related to surface and sub-surface deformation processes. In this work, the SL index has been calculated along streams draining the southern sector of the Emilia-Romagna Region within the Northern Apennines (Italy), to detect knickpoints associated with active landslides. The methodology allowed the rapid analysis of an area of ca. 2300 km\(^{2}\). Approximately thirty hillslopes potentially affected by landslides were identified studying the SL index outlier values. Field survey confirmed the presence of large deep-seated landslides associated with 90 % of the observed anomalies. This study illustrates that stream profiles metrics may have a high potential in different geological studies covering wide areas in a short time and investing limited resources.
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