The variability of root cohesion as an influence on shallow landslide susceptibility in the Oregon Coast Range

Canadian Geotechnical Journal

Volumn 38, Issue 5, 2001, Pages 995-1024

  Schmidt, K M ^a   Roering, J J ^a   Stock, J D ^a   Dietrich, W E ^a   Montgomery, D R ^a   Schaub, T ^a  

^a U S GEOLOGICAL SURVEY   (United States)

Author keywords

Anthropogenic disturbance; Cohesion; Debris flow; Land use; Landslide; Root strength

Indexed keywords

ANTHROPOMETRY; FORESTRY; SOILS; TENSILE STRENGTH; VEGETATION;

LANDSLIDE-INITIATION SITES;

GEOTECHNICAL ENGINEERING;

COHESION; DEBRIS FLOW; FOREST COVER; LANDSLIDE; ROOT COLONIZATION;

EID: 0034739937     PISSN: 00083674     EISSN: None     Source Type: Journal    
DOI: 10.1139/cgj-38-5-995     Document Type: Article

References (108)

1. An evaluation of tree-root effect on slope stability by tree-root strength
2. Logging and forest roads related to increased debris slides in Southwestern Oregon
3. Root extraction force measurements for Sitka Spruce
4. The root systems of northern Ontario conifers growing in sand
5. Clear-cut logging and sediment production in the Oregon Coast Range
6. Factors controlling debris avalanche initiation
7. Landslide hazard rating for the Oregon Coast Range
8. GIS techniques and statistical models in evaluating landslide hazard
9. Modulus of elasticity and tensile strength of Douglas-fir roots
10. Root architecture and tree stability
11. Landslide types and processes
12. Modelling root structure and stability
13. Initiation of shallow mass movement by vegetative-type conversion
14. Sediment budget for a small catchment in mountainous terrain
15. Erosion thresholds and land surface morphology
16. Analysis of erosion thresholds, channel networks, and landscape morphology using a digital terrain model
17. A process-based model for colluvial soil depth and shallow landsliding using digital elevation data
18. Eocene deltaic sedimentation at Coos Bay, Oregon
19. Root system morphology of Western Hemlock, Western Red Cedar, and Douglas-fir
20. Root systems of older immature hemlock, cedar, and Douglas-fir
21. Map of debris-flow hazard in the Honolulu District of Oahu, Hawaii
22. Effects of tree's roots upon the shearing strengths of soils
23. The anchorage of leek seedlings: The effect of root length and soil strength
24. Further studies of root decomposition following harvest of a northern hardwoods forest
25. Root decomposition and nutrient flux following whole-tree harvest of northern hardwood forest
26. Mechanics of fiber reinforcement in sand
27. Root strength in some Populus and Salix clones
28. Patterns of fine root mortality in two sugar maple forests
29. Some variables affecting microtensile strength of Douglas-fir
30. Direct shear tests on reinforced sand
31. Root distribution under some forest types native to West Virginia
32. The role of vegetation clearing in the mass failure of hillslopes: Moresby Ranges, Western Australia
33. Tyee formation: Undeformed turbidites and their lateral equivalents: Mineralogy and paleogeology
34. Characteristics of Douglas-fir root systems
35. A physically based model for the topographic control on shallow landsliding
36. Hydrologic response of a steep, unchanneled valley to natural and applied rainfall
37. Regional test of a model for shallow landsliding
38. Forest clearing and regional landsliding
39. The importance of root strength and deterioration rates upon edaphic stability in steepland forests
40. The effect of timber removal on the stability of forest soils
41. Prediction on surface saturation zones in natural catchments by topographic analysis
42. Size and location of colluvial landslides in a steep forested landscape
43. Mass wasting processes in watershed management
44. Anchoring of thin colluvium by roots of sugar maple and white ash on hillslopes in Cincinnati
45. The role of woody vegetation in stabilizing slopes in the Cincinnati area, Ohio
46. The root systems of trees growing in sphagnum
47. Soil properties for slope stability analysis; Oregon and Washington Coastal Mountains
48. Slope erosion due to extreme rainfall: A case study from New Zealand
49. Deformation characteristics of reinforced sand in direct shear
50. Deformation-based model for reinforced sand
51. A conceptual model of changes in root cohesion in response to vegetation management
52. A theoretical model of the effects of timber harvesting on slope stability
53. Analysis of a small debris slide in coastal Alaska
54. Hillslope stability and land use
55. Root spread can be estimated from crown width of Douglas fir, Lodgepole pine, and other British Columbia tree species
56. Variation of wood strength in tree roots
57. Mechanical resistance encountered by roots entering compact soils
58. On the maximum extent of tree roots
59. Studies of the root systems of deciduous trees
60. Analysis of debris-avalanche erosion in steep forest lands: An example from Mapleton, Oregon, USA
61. Timber harvest and progressive deformation of slopes in Southwestern Oregon
62. Timber harvesting, mass erosion, and steepland forest geomorphology in the Pacific Northwest
63. Causes of the flood and a comparison to other climate events
64. Effects of root reinforcement on soil-slip patterns in the Transverse Ranges of Southern California
65. Mechanism of landslides
66. The shear resistance of root-permeated homogenous and stratified soil
67. Soil reinforcement by roots: Calculation of increased soil shear resistance from root properties
68. Effect of grass, legume, and tree roots on soil shearing resistance
69. Shear resistance enhancement of 1.22-meter diameter soil cross sections by pine and alfalfa roots
70. Geologic map of Oregon
71. Structural root morphology and biomass of the three age-classes of Pinus Radiata
72. Root strength, growth, and rates of decay: Root reinforcement changes of two tree species and their contribution to slope stability
73. Investigation of landslides on Prince of Wales Island, Alaska
74. Effect of vegetation on slope stability
75. Soil movements on permafrost slopes near Fairbanks, Alaska
76. Slope stabilization
77. A distributed slope stability model for steep forested basins
78. Strength of tree roots and landslides on Prince of Wales Island, Alaska
79. In-situ shear rest of soil-root systems
80. Study of soil-root interaction
81. Influence of soil aggregation on slope stability in the Oregon Coast Range
82. Primary productivity of red alder ecosystems
83. Roots and the stability of forested slopes