Resistance to shallow landslide failure through root-derived cohesion in east coast hill country soils, North Island, New Zealand

Earth Surface Processes and Landforms

Volumn 24, Issue 8, 1999, Pages 665-675

  Preston, Nicholas J ^a   Crozier, Michael J ^b  

^a UNIVERSITY OF BONN   (Germany)

^b NONE

Author keywords

Critical slope angle; Earthflow; Factor of safety; Mechanical cohesion; Turf mat

Indexed keywords

COHESION; LANDSLIDE; REGOLITH; SHEAR STRENGTH; SLOPE STABILITY; SOIL STRENGTH;

NEW ZEALAND;

EID: 0032746665     PISSN: 01979337     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1096-9837(199908)24:8<665::AID-ESP980>3.0.CO;2-B     Document Type: Article

References (23)

1. Brooks, S. M. and Anderson, M. G. 1995. 'The determination of suction-controlled slope stability in humid temperate environments', Geografiska Annaler, 77A(1-2), 11-22.
2. Crozier, M. J. 1996. 'Runout behaviour of shallow, rapid earthflows', Zeitschrift für Geomorphologie Suppl., 105, 35-48.
3. Crozier, M. J. and Preston, N. J. 1998. 'Modelling changes in terrain resistance as a component of landform evolution in unstable hill country', in Hergarten, S. and Neugebauer, H. J. (Eds), Process Modelling and Landform Evolution., Lecture Notes in Earth Sciences 78, Springer-Verlag, Heidelberg.
4. Cruden, D. M. and Varnes, D. J. 1996. 'Landslide types and processes', in Turner, A. K. and Schuster, R.L (Eds), Landslides: Investigation and Mitigation, Special Report 247, Transportation Research Board, National Research Council, National Academy Press, Washington DC.
5. DeRose, R. C. and Trustrum, N. A., Blaschke, P. M. 1991. 'Geomorphic change implied by regolith-slope relationships on steepland hillslopes, Taranaki, New Zealand', in Crozier, M. J. (Ed.), Geomorphology in Unstable Regions, Catena, 18, 489-514.
6. DSIR 1963. Soil map of the North Island, New Zealand. Scale 1:1000000, Wellington.
7. Eden, D. N. and Froggatt, P. C., Trustrum, N. A., Page, M. J. 1993. 'A multiple-source Holocene tephra sequence from Lake Tutira, Hawke's Bay, New Zealand', New Zealand Journal of Geology and Geophysics, 36, 233-242.
8. Glade, T. W. 1997. The temporal and spatial occurrence of rainstorm-triggered landslide events in New Zealand, PhD thesis, Department of Geography, Victoria University of Wellington, 343pp.
9. Henkel, D. J. and Skempton, A. W. 1954. 'A landslide at Jackfield, Shropshire, in a heavily over-consolidated clay', Géotechnique, 5, 131-137.
10. Kenney, C. 1984. 'Properties and behaviours of soils relevant to slope instability' in Brunsden, D. and Prior, D. B. (Eds), Slope Instability, John Wiley, Chichester.
11. Lawrance, C. J. and Rickson, R. J., Clark, J. E. 1996. 'The effect of grass roots on the shear strength of colluvial soils in Nepal', in Anderson, M. G. and Brooks, S. M. (Eds), Advances in Hillslope Processes, John Wiley, Chichester.
12. Merz, J. 1997. Hydrological investigations of a hillside affected by landslides, Lake Tutira, New Zealand, Diplomarbeit, Geographisches Institut, Universität Bern.
13. Milne, J. D. G. and Clayden, B., Singleton, P. L., Wilson, A. D. 1991. Soil Description Handbook, DSIR Land Resources, Lower Hutt.
14. Page, M. J. and Trustrum, N. A. 1997. 'A late Holocene lake sediment record of the erosion response to land use change in a steepland catchment, New Zealand', Zeitschrift für Geomorphologie, 41(3), 369-392.
15. Page, M. J. and Trustrum, N. A., Dymond, J. R. 1994. 'Sediment budget to assess the geomorphic effect of a cyclonic storm, New Zealand', Geomorphology, 9, 169-188.
16. Pohlen, I.J. 1971. Soils of Hawke's Bay Region, New Zealand. Soil Bureau Publication 495, Department of Scientific and Industrial Research, Wellington.
17. Pullar, W. A. 1973. Age and distribution of basal tephra marker beds, Taupo Sheet, New Zealand. Scale 1:250000, New Zealand Soil Bureau Map 131/2, to accompany New Zealand Soil Survey Report 31.
18. Selby, M. J. 1993. Hillslope Materials and Processes, 2nd edn, Oxford University Press, New York, 451 pp.
19. Sidle, R. C. and Pearce, A. J., O'Loughlin, C. L. 1985. Hillslope Stability and Land Use, American Geophysical Union.
20. Skempton, A. W. 1985. 'Residual strength of clays in landslides, folded strata and the laboratory', Géotechnique, 35(1), 3-18.
21. Skempton, A. W. and Petley, D. J. 1967. 'The strength along structural discontinuities in stiff clays', Proceedings of the Geotechnical Conference at Oslo, Norway, 2.
22. Thompson, C. S. 1987. The Climate and Weather of Hawke's Bay, 2nd edn, Miscellaneous Publication 115(5), New Zealand Meteorological Service, Wellington.
23. Townsend, F. C. and Gilbert, P. A. 1973. 'Tests to measure residual strengths of some clay shales', Géotechnique, 23, 267-271.