Blar i NGI report på forfatter "Issler, Dieter"

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    • Annual Report 2017 [SP 4 FoU Snøskred] 

      Issler, Dieter; Gauer, Peter; Gisnås, Kjersti; Glimsdal, Sylfest; Jaedicke, Christian; Sandersen, Frode (NGI-rapport;20170131-05-R, Research report, 2018-01-12)
      During the first year of the project period 2017–2019 of NGI's research project on snow avalanches, work was carried out in all five work packages (WP 1 – Ryggfonn and model development, WP 2 – Statistical tools, WP 3 – ...

    • Annual Report 2018 [SP 4 FoU Snøskred] 

      Issler, Dieter; Gauer, Peter; Glimsdal, Sylfest; Jaedicke, Christian; Sandersen, Frode (NGI-rapport;20170131-11-R, Research report, 2018-12-21)
      In the second year of the present three-year project period, core and/or long-term activities were continued: -experiments at Ryggfonn and maintenance of the site, -infrasound monitoring along State Road 15 between Fonnbu ...

    • Annual Report 2019 [SP4 FoU Snøskred] 

      Issler, Dieter; Gauer, Peter; Glimsdal, Sylfest; Jaedicke, Christian; Sandersen, Frode; Gisnås, Kjersti (NGI-rapport;20170131-17-R, Research report, 2020-05-28)
      NGI has conducted research on avalanches and related processes since 1973. This report gives a short insight in the work done in 2019. While experiments with artificial release of avalanches in the Ryggfonn experimental ...

    • Annual Report 2020 

      Gauer, Peter; Salazar, Sean; Robinson, Kate; Issler, Dieter; Frauenfelder, Regula; Langeland, Henrik; Liu, Zhongqiang; Domaas, Ulrik; Jaedicke, Christian; Gilbert, Graham (NGI-Rapport;20200017-02-R, Research report, 2021-03-19)
      During the first year of the project period 2020-2022 of NGIs research project on Snow avalanches, Applied Avalanche Research in Norway (AARN), work was conducted in all three work packages (WP 1 – Avalanche formation and ...

    • Annual Report 2021 

      Gauer, Peter; Salazar, Sean; Robinson, Kate; Issler, Dieter; Frauenfelder, Regula; Liu, Zhongqiang; Jaedicke, Christian; Gilbert, Graham (NGI-Rapport;20200017-03-R, Research report, 2022-04-08)
      During the second year of the project period 2020-2022 of NGIs research project on snow avalanches, Applied Avalanche Research in Norway (AARN), work was conducted in all three work packages (WP 1 – Avalanche formation and ...

    • APALI – Avalanche Probability Along Linear Infrastructure 

      Issler, Dieter (NGI-Rapport;20200431‐01‐TN, Research report, 2023-09-28)
      To secure linear infrastructure in the most cost-efficient manner, hazard hot-spots need to be known not only with regard to the intensity of possible events but also their probability. Traditional hazard mapping methods ...

    • Applied Avalanche Research in Norway: Fonnbu 50-year celebration 

      Gisnås, Kjersti; Issler, Dieter; Hancock, Holt (NGI-Rapport;20230100-02-R, Research report, 2023-11-10)
      NGI’s avalanche research station at Strynefjellet in western Norway was officially opened in October 1973, and in September 2023 NGI and the AARN project invited to a 3- day celebration in Stryn. The aim of the celebration ...

    • Avalanche studies and model validation in Europe, SATSIE. 1st annual report 

      Issler, Dieter (NGI-rapport;20021048-03, Lecture, 2003-11-28)
      During the first year ofthe SATSIE project, emphasis was on preparatory activities, i.e., development of sensors and data analysis methods, installation of new equipment in the experimental facilities, exploration of ...

    • Avalanche studies and model validation in Europe, SATSIE. 2. annual report 

      Issler, Dieter (NGI-rapport;20021048-06, Research report, 2004-11-30)

    • Avalanche studies and model validation in Europe, SATSIE. 3. Annual report 

      Issler, Dieter (NGI-rapport;20021048-11, Research report, 2005-12-01)

    • Avalanche studies and model validation in Europe, SATSIE. Final report 

      Issler, Dieter (NGI-rapport;20021048-15, Research report, 2006-08-10)

    • Design Alternatives for a Tool for Probabilistic Run-Out Calculations With MoT-Voellmy 

      Issler, Dieter; Zhongqiang, Liu (NGI-rapport;20170131-10-TN, Research report, 2018-12-11)
      As part of WP 2 – Analyses of the joint Natural Hazards GBV project HARM1 (project number 20180069), it was decided to develop a tool for carrying out probabilistic runout calculations. This task was later moved to FoU ...

    • Dynamical Aspects of the 2017 Rigopiano Avalanch 

      Issler, Dieter (NGI-rapport;20170131-08-TN, Research report, 2019-01-21)
      Abstract: Data on the disastrous snow avalanche that occurred on 2017-01-18 at the spa hotel Rigopiano, municipality of Farindola in the Abruzzo region of central Italy, are analyzed in the present Technical Note in different ...

    • Dynamical Consistency Constraints on Entrainment and Deposition in Depth-Averaged Models of Snow Avalanches and Other Gravity Mass Flows 

      Issler, Dieter (NGI-rapport;20110112-00-1-TN, Research report, 2012-05-18)
      This paper discusses several issues related to the mathematical and physical formulation of entrainment in depth-averaged models of gravity mass flows (GMF) such as snow avalanches and landslides. (i) The relation between ...

    • Field Survey of the 2017 Rigopiano Avalanche 

      Issler, Dieter (NGI-rapport;20170131-02-TN, Research report, 2019-12-26)
      In the evening of January 18, 2017, a large snow avalanche descended from the east flank of Monte Siella in the municipality of Farindola in the Abruzzo region of Italy. It completely destroyed the Hotel Rigopiano and ...

    • Notes on the Fluidization of Snow Avalanches by Air Expulsion from the Snow Cover 

      Issler, Dieter (NGI-rapport;20140053-03-TN, Research report, 2017-02-03)
      A recently proposed mechanism for fluidization of the front of dry-snow avalanches, based on air escaping from the snow cover that is compressed under the weight of the avalanche (Issler, 2013) is discussed.

    • 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 ...

    • Remote Identification, Characterization and Monitoring of Erosional Processes 

      Salazar, Sean E.; Hormes, Anne; Issler, Dieter (NGI Rapport;20170031-03-R, Report, 2018-03-21)
      Remote sensing techniques and geophysical techniques have enabled the collection of vital information on geotechnical, hydrogeological, and environmental processes. These techniques may offer improvements over traditional ...

    • 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 ...

    • Research Plan 2023–2025 

      Tregaskis, Callum; Jaedicke, Christian; Gauer, Peter; Gisnås; Robinson, Kate; Issler, Dieter; Salazar, Sean; Vicari, Hervé; Frauenfelder, Regula (NGI-Rapport;20230100-01-R, Research report, 2023-05-19)
      Snow avalanches are a frequent and significant natural hazard in Norway. Each year, avalanche events result in fatalities, evacuations, interruptions, and damage to infrastructure networks such as roads, railways, and ...