Blar i Norwegian Geotechnical Institute (NGI) Digital Archive på forfatter "Frauenfelder, Regula"
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Identifying mountain permafrost degradation by repeating historical electrical resistivity tomography (ERT) measurements
Buckel, Johannes; Mudler, Jan; Gardeweg, Rainer; Hauck, Christian; Hilbich, Christin; Frauenfelder, Regula; Kneisel, Christof; Buchelt, Sebastian; Blöthe, Jan Henrik; Hördt, Andreas; Bücker, Matthias (Peer reviewed; Journal article, 2023) -
Impacts of extreme weather events on transport infrastructure in Norway
Frauenfelder, Regula; Solheim, Anders; Isaksen, Ketil; Romstad, Bård; Dyrrdal, Anita Verpe; Ekseth, Kristine; Skaland, Reidunn Gangstø; Harbitz, Alf; Harbitz, Carl Bonnevie; Haugen, Jan Erik; Hygen, Hans Olav; Haakenstad, Hilde; Jaedicke, Christian; Jónsson, Árni; Klæboe, Ronny; Ludvigsen, Johanna; Meyer, Nele Kristin; Rauken, Trude; Sverdrup-Thygeson, Kjetil (Journal article, 2016) -
InSAR monitoring data to assess building response to deep excavations
Ritter, Stefan; Frauenfelder, Regula (Peer reviewed; Journal article, 2021) -
Multi-Temporal Satellite Image Composites in Google Earth Engine for Improved Landslide Visibility: A Case Study of a Glacial Landscape
Lindsay, Erin; Frauenfelder, Regula; Ruther, Denise Christina; Rubensdotter, Brita Lena Eleonor Fredin; Strout, James Michael; Nordal, Steinar (Peer reviewed; Journal article, 2022) -
Ny bydel i naturen – Hva har utbygging å si for fremtidig overvannssituasjon ved Martineåsen i Larvik kommune?
Ekeheien, Christina Pokrie; Almestad, Christian; Frauenfelder, Regula; Heggelund, Ingerid; Oen, Amy M P (Peer reviewed; Journal article, 2022) -
Remote sensing of avalanches in northern Norway using Synthetic Aperture Radar
Malnes, Eirik; Eckerstorfer, Markus; Larsen, Yngvar; Frauenfelder, Regula; Jónsson, Árni; Jaedicke, Christian; Solbø, Stian A. (The International Snow Science Workshop (ISSW) Proceedings;, Chapter, 2013)We present results from using synthetic aperture radar data (SAR) to analyse three avalanches in the county of Troms in northern Norway during the late snow season 2013. During a persistent polar low pressure activity at ... -
Remote sensing of snow avalanches: Recent advances, potential, and limitations
Eckerstorfer, Markus; Bühler, Yves; Frauenfelder, Regula; Malnes, Eirik (Journal article, 2015)Snow avalanches are the main natural hazard in snow covered mountainous areas worldwide, frequently threatening lives and infrastructure. Avalanche research is inherently risk research, working towards avalanche risk ... -
Remote-Sensing Derived Avalanche Inventory Data
Frauenfelder, Regula; Solberg, Rune; Larsen, Siri Øyen; Salberg, Arnt-Børre; Bjordal, Heidi (The International Snow Science Workshop (ISSW) Proceedings;, Chapter, 2012)Every year snow avalanches pose a significant threat to transportation infrastructure. The societal demand to minimize closures of the main transport network while maintaining an acceptable level of personal safety at the ... -
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 ... -
Risk assessment and design of prevention structures for enhanced tsunami disaster resilience (RAPSODI) - Euro-Japan collaboration
Harbitz, Carl Bonnevie; Nakamura, Y.; Arikawa, T.; Baykal, C.; Dogan, G.G.; Frauenfelder, Regula; Glimsdal, Sylfest; Guler, H.G.; Issler, Dieter; Kaiser, Gunilla; Kânoǧlu, U.; Kisacik, D.; Kortenhaus, A.; Løvholt, Finn; Maruyama, Y.; Sassa, S.; Sharghivand, N.; Strusinska-Correia, A.; Tarakcloglu, G.O.; Yalciner, A.C. (Journal article, 2016)The 2011 Tōhoku event showed the massive destruction potential of tsunamis. The Euro-Japan “Risk assessment and design of prevention structures for enhanced tsunami disaster resilience (RAPSODI)” project aimed at using ... -
Settlement monitoring using space-borne radar interferometry, in the context of large infrastructure projects
Frauenfelder, Regula; Vöge, Malte; Pfaffhuber, Andreas Aspmo; Hauser, Carsten; Dehli, Geir; Syversen, Fredrikke (Chapter, 2019)Geodetic data acquisition in urban areas and along linear infrastructure are major cost drivers in big infrastructure projects. Modern remote sensing methods help us to manage data acquisitions with high effectiveness ... -
Space-Borne and Ground-Based InSAR Data Integration: The Åknes Test Site
Bardi, Federica; Raspini, Federico; Ciampalini, Andrea; Kristensen, Lene; Rouyet, Line; Lauknes, Tom Rune; Frauenfelder, Regula; Casagli, Nicola (Journal article, 2016) -
Stakeholder evaluation of the co-production process of climate services. Experiences from two case studies in Larvik (Norway) and Flensburg (Germany)
Kalsnes, Bjørn; Oen, Amy M P; Frauenfelder, Regula; Heggelund, Ingrid; Vasbotten, Marit; Vollstedt, Bente; Koerth, Jana; Vafeidis, Nassos; van Well, Lisa; Jan Ellen, Gerald; Koers, Gerben; Raaphorst, Kevin (Peer reviewed; Journal article, 2023) -
The use of SAR interferometry for landslide mapping in the Indian Himalayas
Vöge, Malte; Frauenfelder, Regula; Ekseth, Kristine; Arora, Manoj K.; Bhattacharya, Atanu; Bhasin, Rajinder Kumar (Journal article, 2015)The aim of the here presented research was to investigate the potential of two-pass differential InSAR, and advanced DInSAR techniques, such as Small Baseline Subset (SBAS) and Persistent Scatterers (PS) interferometry, ... -
Using eCognition Definiens for automated detection of snow avalanche deposits from very high resolution optical imagery - New developments
Lato, Matthew J.; Frauenfelder, Regula (NGI-rapport;20120096-01-TN, Research report, 2013-01-28)The identification of snow avalanche deposits from high resolution optical satellite imagery had been the focus of the project "avalRS” which NGI, together with the Norwegian Computing Centre and Statens Veivesen, had ... -
Using eCognition Definiens for automated detection of snow avalanches from optical imagery
Lato, Matthew J.; Frauenfelder, Regula (NGI-rapport;20110112 Notat 2012-07-14 Rev. 1, Research report, 2012-07-14)Detection of avalanches from remotely collected optical imagery has been tested through analysis of image properties such as brightness, contrast, and different measures of texture. There have been few publications on ... -
Using eCognition to automatically detect and map avalanche deposits from the spring 2009 avalanche cycle in the Tatra Mts., Slovakia
Frauenfelder, Regula; Lato, Matt; Biskupič, Marek (Journal article, 2015)Here we present results from ongoing work where we apply an object oriented mapping algorithm developed in eCognition in order to automatically identify and digitally map avalanche deposits. The algorithm performance is ...