The role of antecedent soil moisture conditions on rainfall-triggered shallow landslides
- 1CNR-IBAM, C/da S. Loja, Zona Industriale 85050 Tito Scalo (PZ), Italy
- 2DICEM, Università degli Studi della Basilicata, Viale dell'Ateneo Lucano 10, 85100 Potenza, Italy
- 1CNR-IBAM, C/da S. Loja, Zona Industriale 85050 Tito Scalo (PZ), Italy
- 2DICEM, Università degli Studi della Basilicata, Viale dell'Ateneo Lucano 10, 85100 Potenza, Italy
Abstract. Rainfall-triggered shallow landslides have caused losses of human life and millions of euros in damage to property in all parts of the world. The need to prevent such phenomena combined with the difficulty to describe the geo-physical processes over large scales led to the adoption of empirical rainfall thresholds derived from the observed relationship between rainfall intensity/duration and landslide occurrence. These thresholds are generally obtained neglecting the role of the antecedent moisture conditions that should be taken into consideration. In the present manuscript, we explored the role of antecedent soil moisture on the critical rainfall intensity–duration thresholds highlighting its critical impact. Therefore, traditional approaches that neglect such parameter may have a limited value in the early-warning systems. This study was carried out using a record of 326 landslides occurred in the last 18 years in the Basilicata region (southern Italy). Besides the ordinary data (i.e. rainstorm intensity and duration), we also derived the antecedent moisture conditions using a parsimonious hydrological model.
Maurizio Lazzari et al.


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RC1: 'Major revisions', Anonymous Referee #1, 28 Dec 2018
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AC1: 'replay to Reviewer 1 nhess-2018-371', MAURIZIO LAZZARI, 21 Jan 2019
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AC1: 'replay to Reviewer 1 nhess-2018-371', MAURIZIO LAZZARI, 21 Jan 2019
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RC2: 'Review of NHESS Discussion paper entitled: “The role of antecedent soil moisture conditions on rainfall-triggered shallow landslides” by Maurizio Lazzari et al.', Ben Mirus, 01 Feb 2019
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AC2: 'Reply to Reviewer 2', MAURIZIO LAZZARI, 26 Mar 2019
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AC2: 'Reply to Reviewer 2', MAURIZIO LAZZARI, 26 Mar 2019
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SC1: 'short comment', Gianvito Scaringi, 10 Feb 2019
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AC3: 'Replay reviewer 3', MAURIZIO LAZZARI, 26 Mar 2019
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AC3: 'Replay reviewer 3', MAURIZIO LAZZARI, 26 Mar 2019


-
RC1: 'Major revisions', Anonymous Referee #1, 28 Dec 2018
-
AC1: 'replay to Reviewer 1 nhess-2018-371', MAURIZIO LAZZARI, 21 Jan 2019
-
AC1: 'replay to Reviewer 1 nhess-2018-371', MAURIZIO LAZZARI, 21 Jan 2019
-
RC2: 'Review of NHESS Discussion paper entitled: “The role of antecedent soil moisture conditions on rainfall-triggered shallow landslides” by Maurizio Lazzari et al.', Ben Mirus, 01 Feb 2019
-
AC2: 'Reply to Reviewer 2', MAURIZIO LAZZARI, 26 Mar 2019
-
AC2: 'Reply to Reviewer 2', MAURIZIO LAZZARI, 26 Mar 2019
-
SC1: 'short comment', Gianvito Scaringi, 10 Feb 2019
-
AC3: 'Replay reviewer 3', MAURIZIO LAZZARI, 26 Mar 2019
-
AC3: 'Replay reviewer 3', MAURIZIO LAZZARI, 26 Mar 2019
Maurizio Lazzari et al.
Maurizio Lazzari et al.
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