Journal of Mountain Science

, Volume 10, Issue 2, pp 293–304 | Cite as

Comparison between FLO-2D and Debris-2D on the application of assessment of granular debris flow hazards with case study

  • Ying-Hsin Wu
  • Ko-Fei LiuEmail author
  • Yi-Chin Chen


Numerical simulation has been widely applied to the assessment of debris flow hazards. In East Asia and especially Taiwan, the most widely used numerical programs are FLO-2D and Debris-2D. Although these two programs are applied to the same engineering tasks, they are different in many aspects. These two programs were compared according to their fundamental theories, input and output data, computational algorithms and results. Using both programs, the simulations of a real debris flow with abundant granular material induced by landslides at Xinfa village in southern Taiwan are performed for comparison. The simulation results show that Debris-2D gives better assessment in hazard area delineating and flow depth predicting. Therefore, Debris-2D is better for simulation of granular debris flows.


Debris flow assessment Program comparison FLO-2D Debris-2D 


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  1. Boniello MA, Calligaris C, Lapasin R, Zini L (2010) Rheological investigation and simulation of a debris-flow event in the Fella watershed. Natural Hazards and Earth System Sciences 10:989–997.CrossRefGoogle Scholar
  2. Bertolo P, Wieczorek GF (2005) Calibration of numerical programs for small debris flows in Yosemite Valley, California, USA. Natural Hazards and Earth System Sciences 5:993–1001CrossRefGoogle Scholar
  3. Chang JJ (2011) On Deposition Length of Debris-flow at Hsia-Hsinkai tribe, Kaohsiung, Taiwan, in 2009 Morakot Typhoon. Master Thesis, Department of Civil engineering, National Kaoshiung University of Applied Sciences, Chinese Taipei.Google Scholar
  4. Chen CY, Chen TC, Yu FC, Hung FY (2004) A landslide dam breach induced debris flow-a case study on downstream hazard areas delineation. Environmental Geology 47:91–101.CrossRefGoogle Scholar
  5. Chen SC, Wu CY, Wu TY (2009) Resilient capacity assessment for geological failure areas: examples from communities affected by debris flow disaster. Environmental Geology 56:1523–1532.CrossRefGoogle Scholar
  6. Chen SC, Wu CY, Huang BT (2007) Risk assessment of debris flow disaster in Songhe village. Journal of Chinese Soil and Water Conservation 38(3):287–298. (In Chinese)Google Scholar
  7. Četina M, Rajar R, Hojnik T, et al. (2006) Case study: numerical simulations of debris flow below StoŽe, Slovenia. Journal of Hydraulic Engineering ASCE 132(2):121–129.CrossRefGoogle Scholar
  8. FLO-2D Software, Inc. (2006) FLO-2D Users manual (Version 2006.01), Arizona, USAGoogle Scholar
  9. Hsu SM, Chiou LB, Lin GF, et al. (2010) Applications of simulation technique on debris-flow hazard zone delineation: a case study in Hualien County, Taiwan. Natural Hazards and Earth System Sciences 10:535–545.CrossRefGoogle Scholar
  10. HEC-HMS (2010) Hydrological Engineering Center-Hydrological Modeling System, User’s manual (Version 3.4), US Army Corps of Engineers.Google Scholar
  11. Julien PY, Lan Y (1991) Rheology of hyperconcentrations. Journal of Hydraulic Engineering ASCE 117(3):346–353.CrossRefGoogle Scholar
  12. Lin CW, Lin WH, Kao MC (2011a) Geological map of Taiwan scale 1:50,000. Central Geological Survey, Ministry of Economic Affairs, Chinese Taipei. (In Chinese)Google Scholar
  13. Lin DG, Hsu SY, Chao CH, et al. (2008) Applications of simulation technique on hazard zone delineation and damage assessment of debris flow. Journal of Chinese Soil and Water Conservation 39(4):311–319. (In Chinese)Google Scholar
  14. Lin JY, Yang MD, Lin BR, Lin PS (2011b) Risk assessment of debris flows in Songhe Stream, Taiwan. Environmental Geology 123:100–112.CrossRefGoogle Scholar
  15. Lin ML, Wang KL, Huang JJ (2005) Debris flow run off simulation and verification -case study of Chen-You-Lan watershed, Taiwan. Natural Hazards and Earth System Sciences 5:439–445.CrossRefGoogle Scholar
  16. Liu KF, Lee FC (1997) Experimental analysis on impact mechanism of granular flow. Chinese Journal of Mechanics 13(1):87–100. (In Chinese)Google Scholar
  17. Liu KF, Lee FC, Tsai SP (1997) The flow field and impact force on a debris dam. Proceedings of the First International conference on Debris-flow Hazards Mitigation: Mechanics, Prediction, and Assessment. Taipei, Taiwan. pp 737–746.Google Scholar
  18. Liu KF, Li HC, Hsu YC (2009) Debris flow hazard defense magnitude assessment with numerical simulation. Natural hazards 49(1):137–161.CrossRefGoogle Scholar
  19. Liu KF, Li HC (2007) The assessment of debris flow emergency measures. City and Planning 34(1):57–73. (in Chinese)Google Scholar
  20. Liu KF, Wu YH (2010) The Assessment of Debris Flow Hazard in Korea Using Debris-2D. INTERPRAEVENT 2010-International Symposium in Pacific Rim, Taipei, Taiwan. pp 820–827.Google Scholar
  21. Liu KF, Huang MC (2006) Numerical simulation of debris flow with application on hazard area mapping. Computational Geosciences 10:221–240.CrossRefGoogle Scholar
  22. O’Brien JS, Julien PY, Fullerton WT (1993) Two-dimensional water flood and mudflood simulation. Journal of Hydraulic Engineering ASCE 119(2):244–260.CrossRefGoogle Scholar
  23. Quan Luna Q, Blahut J, van Westen CJ, et al. (2011) The application of numerical debris flow modelling for the generation of physical vulnerability curves. Natural Hazards and Earth System Sciences 11:2047–2060.CrossRefGoogle Scholar
  24. Soil and Water Conservation Bureau (2010) The Investigation of vulnerability factors and risk analysis of debris flow potential creeks. Soil and Water Conservation Bureau, Chinese Taipei. (In Chinese)Google Scholar
  25. Stolz A, Huggel C (2008) Debris flows in the Swiss National Park: the influence of different flow programs and varying DEM grid size on programing results. Landslides 5:311–319.CrossRefGoogle Scholar
  26. Tsai MP, Hsu YC, Li HC, et al. (2011) Applications of simulation technique on debris flow hazard zone delineation: a case study in Daniao tribe, Eastern Taiwan. Natural Hazards and Earth System Sciences 11:3053–3062.CrossRefGoogle Scholar
  27. Takahashi T (1981) Debris flow. Annual Review of Fluid Mechanics 13:57–77.CrossRefGoogle Scholar
  28. Tsou CY, Feng ZY, Chigira M (2011) Catastrophic landslide induced by Typhoon Morakot, Shiaolin, Taiwan. Geomorphology 127:166–178.CrossRefGoogle Scholar

Copyright information

© Science Press, Institute of Mountain Hazards and Environment, CAS and Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of Civil EngineeringNational Taiwan UniversityTaipeiChinese Taipei
  2. 2.Hydrotech Research InstituteNational Taiwan UniversityTaipeiChinese Taipei

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