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Cited by 288

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Quantifying lateral root reinforcement in steep slopes – from a bundle of roots to tree stands

Schwarz, M., Lehmann, P., Or, D.·2010·Earth Surface Processes and Landforms
DOI 10.1002/esp.1927
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Abstract

A review of present modelling approaches for root reinforcement in vegetated steep hillslopes reveals critical gaps in consideration of plant–soil interactions at various scales of interest for shallow landslide prediction. A new framework is proposed for systematic quantification of root reinforcement at scales ranging from single root to tree root system, to a stand of trees. In addition to standard basal reinforcement considered in most approaches, the critical role of roots in stabilizing slopes through lateral reinforcement is highlighted. Primary geometrical and mechanical properties of root systems and their function in stabilizing the soil mass are reviewed. Stress–strain relationships are considered for a bundle of roots using the formalism of the fiber bundle model (FBM) that offers a natural means for upscaling mechanical behavior of root systems. An extension of the FBM is proposed, considering key root and soil parameters such as root diameter distribution, tortuosity, soil type, soil moisture and friction between soil and root surface. The spatial distribution of root mechanical reinforcement around a single tree is computed from root diameter and density distributions based on easy to measure properties. The distribution of root reinforcement for a stand of trees was obtained from spatial and mechanical superposition of individual tree values with regard to their positions on a hillslope. Potential applications of the proposed approach are illustrated in a numerical experiment of spatial strength distribution in a hypothetical slope with 1000 trees randomly distributed. The analyses result in spatial distribution of weak and strong zones within the soil where landslide triggering is expected in large and continuous zones with low reinforcement values. Mapping such zones would enhance the quality of landslide susceptibility maps and optimization of silvicultural measures in protection forests. Copyright © 2010 John Wiley & Sons, Ltd.

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Metadata

Authors
Schwarz, M., Lehmann, P., & Or, D.
Venue
Earth Surface Processes and Landforms
Publisher
Wiley
Published
2010-02
Volume
35
Issue
3
Pages
354-367
ISSN
  • 0197-9337 (ISSN-L)
  • 1096-9837
DOI
10.1002/esp.1927
OpenAlex
W2085943426
Cited by
288
References
51
FWCI
24.95
Type
journal article
Language
en
Open access
closed

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