• A GIS method for assessment of rock slide tsunami hazard in Norwegian lakes and reservoirs 

      Romstad, Bård; Harbitz, Carl Bonnevie; Domaas, Ulrik (Journal article, 2009)
      An evaluation of rock slide tsunami hazard is applied to all Norwegian lakes larger than 0.1 km2 based on their topographical setting. The analysis results in a topographic rock slide potential score that indicates the ...
    • A New Approximate Method for Quantifying Tsunami Maximum Inundation Height Probability 

      Glimsdal, Sylfest; Løvholt, Finn; Harbitz, Carl Bonnevie; Romano, F.; Lorito, S.; Orefice, S.; Brizuela, B.; Selva, J.; Hoechner, A.; Volpe, M.; Babeyko, A.; Tonini, R.; Wronna, M.; Omira, R. (Peer reviewed; Journal article, 2019)
      Regional and global tsunami hazard analysis requires simplified and efficient methods for estimating the tsunami inundation height and its related uncertainty. One such approach is the amplification factor (AF) method. ...
    • Back-calculations of observed avalanches against natural deflecting dams 

      Issler, Dieter; Harbitz, Carl Bonnevie; Domaas, Ulrik; Kronholm, Kalle; Christen, Marc (The International Snow Science Workshop (ISSW) Proceedings;, Chapter, 2012)
      The objective of this study is to assess the reliability of presently available numerical avalanche models in predicting avalanche flow about deflecting natural terrain features such as large boulders or moraine ridges. ...
    • Coastal inundation multi-hazard analysis for a construction site in Malaysia 

      Harbitz, Carl Bonnevie; Kaiser, Gunilla; Glimsdal, Sylfest; Jaedicke, Christian; Vafeidis, A. T.; Gothlich, Stephan E.; Høydal, Øyvind Armand; Løvholt, Finn; Farrokh, Nadim (Journal article, 2015)
      Establishment of new manufacturing sites in high-technology industries requires considerable investments. These investments need to be safeguarded against the impacts of natural hazards. The March 2011 Tohoku earthquake ...
    • A comparison of avalanche models with data from dry-snow avalanches at Ryggfonn, Norway 

      Issler, Dieter; Harbitz, Carl Bonnevie; Kristensen, Krister; Lied, Karstein; Moe, Arne; Barbolini, M.; Khazaradze, G.; McElwaine, J.N.; Mears, A.I.; Naaim, M.; Sailer, R. (Chapter, 2005)
      Twelve well-documented dry-snow avalanches from the instrurnented Ryggfonn path in western Norway were selected for back-ca1culations with several dynamical avalanche models. In each case, the run-out distance, the front ...
    • Computational models for dense snow avalanche motion 

      Harbitz, Carl Bonnevie (NGI-rapport;581250-03, Research report, 1996-04-30)
      Seventeen various models of dense snow avalanche motion are presented. These include statistical, comparative and energy considering models for runout distance computations as well as dynamic models for avalanche motion ...
    • Conclusions from a recent survey of avalanche computational models 

      Harbitz, Carl Bonnevie; Issler, Dieter; Keylock, Christopher J. (NGI Publication;203, Chapter, 1998)
      In this paper we summarise a survey report on computational models for snow avalanche motion that was developed within the frame-work of the EU research project SAME (Snow Avalanche Modelling, Mapping and Warning in Europe). ...
    • Conclusions on the current status on avalanche modelling 

      Harbitz, Carl Bonnevie (Chapter, 1999)
      An examination of existing models shows that: (1) there is not - and probably never will be - a single model that adequately describes all avalanche types; (2) in order to account for the extraordinary variability of ...
    • The design of avalanche protection dams : Recent practical and theoretical developments 

      Barbolini, Massimiliano; Domaas, Ulrik; Faug, Thierry; Gauer, Peter; Hákonardóttir, Kristín Martha; Harbitz, Carl Bonnevie; Issler, Dieter; Jóhannesson, Tómas; Lied, Karstein; Naaim, Mohamed; Naaim-Bouvet, Florence (EUR;23339, Research report, 2009)
      This book discusses the design of dams and other protective measures in the run-out zones of wet- and dry-snow avalanches. It summarises recent theoretical developments and the results of field and laboratory studies, ...
    • The design of avalanche protection dams. Recent practical and theoretical developments 

      Johannesson, Tomas; Gauer, Peter; Lied, Karstein; Barbolini, Massimiliano; Domaas, Ulrik; Faug, Thierry; Hakonardottir, Kristin Martha; Harbitz, Carl Bonnevie; Issler, Dieter; Naaim, Florence; Naaim, Mohamed; Rammer, Lambert (Lecture, 2008)
      Recent experimental and theoretical studies of the flow of avalanches against obstructions have been used, in combination with traditional design guidelines, to formulate recommendations for the design of dams and other ...
    • Design of snow avalanche deflecting dams 

      Harbitz, Carl Bonnevie; Domaas, Ulrik; Engen, Arne (Chapter, 2000)
      Extensive effort has been put into improved understanding of avalanche deflection over the last two years. This paper discusses construction of deflecting dams in steep terrain, and gives an in-depth description of the ...
    • Dispersion of tsunamis: does it really matter? 

      Glimsdal, Sylfest; Pedersen, Geir Kleivstul; Harbitz, Carl Bonnevie; Løvholt, Finn (Journal article, 2013)
      This article focuses on the effect of dispersion in the field of tsunami modeling. Frequency dispersion in the linear long-wave limit is first briefly discussed from a theoretical point of view. A single parameter, denoted ...
    • Earthquake related tsunami hazard along the western coast of Thailand 

      Løvholt, Finn; Bungum, Hilmar; Harbitz, Carl Bonnevie; Glimsdal, Sylfest; Lindholm, Conrad D.; Pedersen, Geir Kleivstul (Journal article, 2006)
      The primary background for the present study was a project to assist the authorities in Thailand with development of plans for how to deal with the future tsunami risk in both short and long term perspectives, in the wake ...
    • Effect of prior small to moderate seismic events on monotonic undrained shear strength of sand 

      Wu, Ting-Wei; Suzuki, Yusuke; Carlton, Brian; Harbitz, Carl Bonnevie; Kopf, Achim (Peer reviewed; Journal article, 2020)
      In this study we investigate the effect of prior seismic shaking on the monotonic shear strength of saturated Ottawa Sand 20/30. We perform a series of stress-controlled undrained cyclic triaxial tests with different seismic ...
    • Effects of curvature in avalanche deflecting dams 

      Moe, Arne; Irgens, Fridtjov; Domaas, Ulrik; Harbitz, Carl Bonnevie (Chapter, 2005)
      Avalanches and other types of slides represent significant danger to people and property in large parts of the world. Deflecting dams, i.e. dams that change the courses of avalanches to prevent impact upon houses or roads, ...
    • Effects of rotational submarine slump dynamics on tsunami-genesis – new insight from idealized models and the 1929 Grand Banks event 

      Zengaffinen, Thomas; Løvholt, Finn; Pedersen, Geir Kleivstul; Harbitz, Carl Bonnevie (Peer reviewed; Journal article, 2020)
      Sediment slumps are known to have generated important tsunamis such as the 1998 Papua New Guinea (PNG) and the 1929 Grand Banks events. Tsunami modellers commonly use solid blocks with short run-out distances to simulate ...
    • Emerging insights into the dynamics of submarine debris flows 

      Elverhøi, Anders; Issler, Dieter; De Blasio, Fabio V.; Ilstad, Trygve; Harbitz, Carl Bonnevie; Gauer, Peter (Journal article, 2005)
      Recent experimental and theoretical work on the dynamics of submarine debris flows is summarized. Hydroplaning was first discovered in laboratory flows and later shown to likely occur in natural debris flows as well. It ...
    • EU program CADZIE. Road traffic and avalanches - methods for risk evaluation and risk management 

      Harbitz, Carl Bonnevie (NGI-rapport;20001289-04, Research report, 2003-05-22)
      This report covers current methods that may be used to analyse and manage risks related to avalanches and road traffic. Avalanche types considered are primarily snow avalanches and rockslides.
    • EU programme CADZIE. New concepts in avalanche hazard mapping 

      Harbitz, Carl Bonnevie (NGI-rapport;20001018-02, Research report, 2003-06-16)
      The main goal of the CADZIE workpackage 1 is to improve the hazard assessment process by integrating uncertainty and to develop "best-fit" models. This goal can only be achieved if both the stochastic characteristics of ...
    • EU Programme SAME. A survey of computational models for snow avalanche motion 

      Harbitz, Carl Bonnevie (NGI-rapport;58122-01, Research report, 1998-12-11)
      Various models for computation of avalanche motion are presented, both empirical procedures including statistical and comparative models for runout distance computations as well as dynamics models describing the physics ...