dorsal/arxiv
View SchemaTowards Landslide Predictions: Two Case Studies
| Authors | D. Sornette, A. Helmstetter, J. V. Andersen, S. Gluzman, J. -R. Grasso, V. Pisarenko |
|---|---|
| Categories | |
| ArXiv ID | physics/0305067 |
| URL | https://arxiv.org/abs/physics/0305067 |
| DOI | 10.1016/j.physa.2004.02.065 |
| Journal | Physica A 338, 605-632 (2004) |
Abstract
In a previous work [Helmstetter, 2003], we have proposed a simple physical model to explain the accelerating displacements preceding some catastrophic landslides, based on a slider-block model with a state and velocity dependent friction law. This model predicts two regimes of sliding, stable and unstable leading to a critical finite-time singularity. This model was calibrated quantitatively to the displacement and velocity data preceding two landslides, Vaiont (Italian Alps) and La Clapi\`ere (French Alps), showing that the former (resp. later) landslide is in the unstable (resp. stable) sliding regime. Here, we test the predictive skills of the state-and-velocity-dependent model on these two landslides, using a variety of techniques. For the Vaiont landslide, our model provides good predictions of the critical time of failure up to 20 days before the collapse. Tests are also presented on the predictability of the time of the change of regime for la Clapi\`ere landslide.
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"abstract": "In a previous work [Helmstetter, 2003], we have proposed a simple physical\nmodel to explain the accelerating displacements preceding some catastrophic\nlandslides, based on a slider-block model with a state and velocity dependent\nfriction law. This model predicts two regimes of sliding, stable and unstable\nleading to a critical finite-time singularity. This model was calibrated\nquantitatively to the displacement and velocity data preceding two landslides,\nVaiont (Italian Alps) and La Clapi\\`ere (French Alps), showing that the former\n(resp. later) landslide is in the unstable (resp. stable) sliding regime. Here,\nwe test the predictive skills of the state-and-velocity-dependent model on\nthese two landslides, using a variety of techniques. For the Vaiont landslide,\nour model provides good predictions of the critical time of failure up to 20\ndays before the collapse. Tests are also presented on the predictability of the\ntime of the change of regime for la Clapi\\`ere landslide.",
"arxiv_id": "physics/0305067",
"authors": [
"D. Sornette",
"A. Helmstetter",
"J. V. Andersen",
"S. Gluzman",
"J. -R. Grasso",
"V. Pisarenko"
],
"categories": [
"physics.geo-ph",
"physics.class-ph"
],
"doi": "10.1016/j.physa.2004.02.065",
"journal_ref": "Physica A 338, 605-632 (2004)",
"title": "Towards Landslide Predictions: Two Case Studies",
"url": "https://arxiv.org/abs/physics/0305067"
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