Blar i NGI report på emneord "Snow avalanches"

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    • CPT 3 – Quantitative risk assessment: Remarks on the uncertainty in the delimitation of hazard zones based on historical observations 

      Gauer, Peter (NGI-Rapport;20200017-09-TN, Research report, 2022-03-22)
      The Norwegian building code regulates the societal acceptable risk from avalanches for three building classes (S1, S1, and S3). The corresponding highest allowed nominal annual probabilities of avalanches reaching the ...

    • Outline of a Simple Model of Mixed Snow Avalanches 

      Issler, Dieter (NGI-Rapport;20200017‐10‐TN, Research report, 2023-08-24)
      This Note discusses a quasi-three-dimensional model of mixed snow avalanches that could replace the code MoT-Voellmy in NAKSIN. As a starting point, the two-layer model by Eglit is slightly simplified and extended from a ...

    • Research Plan 2020–2022 

      Issler, Dieter; Jaedicke, Christian; Gauer, Peter; Gisnås, Kjersti; Frauenfelder, Regula; Salazar, Sean (NGI-Rapport;20200017-01-R, Research report, 2020-04-23)
      Snow avalanches are a significant natural hazard and common phenomenon in Norway. Each year, avalanches result in fatalities, evacuations, and interruptions or damage to infrastructure networks such as roads, railways, and ...

    • A Simple Model for the Variability of Release Area Size 

      Issler, Dieter (NGI-Rapport;20200017‐03‐TN, Research report, 2023-08-24)
      The hazard mapping tool NAKSIN estimates the release probability of potential release areas (PRAs) by testing a stability criterion based on the infinite-slope approximation with a large sample of synthetic weather situations. ...