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Scaling properties of landslides in the Rif mountains of Morocco

Rouai, M. / Jaaidi, E.B.

AbstractLandslides in the central Rif mountains (Morocco) were analyzed by multifractal analysis. Our results suggest that spatial distribution of landslides in the region is not a homogeneous fractal structure but a heterogeneous one with generalized dimensions D(1)=1.713>D(2)>…>D(12)=1.325. The value of D(12)=D(∞) is the fractal dimension of the most intensive clustering in the heterogeneous fractal set. It is worthwhile to note that we found D(0)<D(1). The analysis of areas affected by sliding from the geological map of Beni Ahmed at a scale 1:50000 shows the power law size distribution: N(A>a)∝a^−1.57. This confirms the scale invariance of sliding and suggests that real landslides may exhibit a Self-Organized Criticality (SOC) behaviour.

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Scaling properties of landslides in the Rif mountains of Morocco

Rouai, M. / Jaaidi, E.B.

AbstractLandslides in the central Rif mountains (Morocco) were analyzed by multifractal analysis. Our results suggest that spatial distribution of landslides in the region is not a homogeneous fractal structure but a heterogeneous one with generalized dimensions D(1)=1.713>D(2)>…>D(12)=1.325. The value of D(12)=D(∞) is the fractal dimension of the most intensive clustering in the heterogeneous fractal set. It is worthwhile to note that we found D(0)<D(1). The analysis of areas affected by sliding from the geological map of Beni Ahmed at a scale 1:50000 shows the power law size distribution: N(A>a)∝a^−1.57. This confirms the scale invariance of sliding and suggests that real landslides may exhibit a Self-Organized Criticality (SOC) behaviour.

Scaling properties of landslides in the Rif mountains of Morocco

Rouai, M. / Jaaidi, E.B.

AbstractLandslides in the central Rif mountains (Morocco) were analyzed by multifractal analysis. Our results suggest that spatial distribution of landslides in the region is not a homogeneous fractal structure but a heterogeneous one with generalized dimensions D(1)=1.713>D(2)>…>D(12)=1.325. The value of D(12)=D(∞) is the fractal dimension of the most intensive clustering in the heterogeneous fractal set. It is worthwhile to note that we found D(0)<D(1). The analysis of areas affected by sliding from the geological map of Beni Ahmed at a scale 1:50000 shows the power law size distribution: N(A>a)∝a^−1.57. This confirms the scale invariance of sliding and suggests that real landslides may exhibit a Self-Organized Criticality (SOC) behaviour.

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Title:

Scaling properties of landslides in the Rif mountains of Morocco

Contributors:

Rouai, M. (author) / Jaaidi, E.B. (author)

Published in:

Engineering Geology ; 68 ; 353-359

Publication date:

2002-09-30

Size:

7 pages

ISSN:

DOI:

https://doi.org/10.1016/S0013-7952(02)00237-5

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Multifractal , Landslides , Self-Organized Criticality , Rif mountains , Morocco

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