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  1. Employees

Språkvelger

Norsk

Fjola Gudrun Sigtryggsdottir

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Fjola Gudrun Sigtryggsdottir

Professor
Department of Civil and Environmental Engineering
Faculty of Engineering

fjola.g.sigtryggsdottir@ntnu.no
+4773598388 +4791388447 Vassbygget, Valgrinda
Publications Teaching Outreach

Publications

  • Chronological
  • By category
  • All publications registered in NVA

2025

  • Sigtryggsdottir, Fjola Gudrun; Kjellesvig, Hilde Marie. (2025) Reserveflomløp. Norges vassdrags- og energidirektorat Norges vassdrags- og energidirektorat
    Report
  • Gebremariam, Filmon Tquabo; Tesfay, Asfafaw Haileselassie; Sigtryggsdottir, Fjola Gudrun; Goitom, Haddush; Lia, Leif. (2025) Overtopping-Induced Embankment Breaching Experiments: State-of-the-Art Review on Measurement and Instrumentation. Water
    Academic literature review
  • Sigtryggsdottir, Fjola Gudrun; Hrafnsdóttir, Hörn; Steingrímsson, Jón Haukur; Guðmundsson, Ari. (2025) Experience in diverting and containing lava flow by barriers constructed from in situ material during the 2021 Geldingardalir volcanic eruption. Bulletin of Volcanology
    Academic article
  • Senarathna, Nisal Deelaka Halaba Arachchige; Dezert, Theo; Sigtryggsdottir, Fjola Gudrun. (2025) Particle image velocimetry analysis of the protective layer in embankment dams. Frontiers in Built Environment
    Academic article

2023

  • Kiplesund, Geir Helge; Sigtryggsdottir, Fjola Gudrun; Lia, Leif. (2023) Breach Progression Observation in Rockfill Dam Models Using Photogrammetry. Remote Sensing
    Academic article

2022

  • Kiplesund, Geir Helge; Sigtryggsdottir, Fjola Gudrun. (2022) Laboratory Investigations into Stability and Breaching of Rockfill Dams Using Dynamic Structure from Motion. Proceedings of the IAHR World Congress
    Academic article
  • Sigurjónsson, Styrmir; Sigtryggsdottir, Fjola Gudrun; Kiplesund, Geir Helge. (2022) Pertinence of parametric based breach models for rockfill dams.
    Academic chapter/article/Conference paper
  • Dezert, Theo; Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun. (2022) Load and Deformation Relations of Placed Riprap Model with Toe Support.
    Academic chapter/article/Conference paper
  • Sigtryggsdottir, Fjola Gudrun. (2022) Environmental loads on embankment dams in mountainous regions. Norwegian Water Resources and Energy Directorate Norwegian Water Resources and Energy Directorate
    Report

2021

  • Kiplesund, Geir Helge; Sigtryggsdottir, Fjola Gudrun. (2021) Laboratory Investigations into Stability and Breaching of Rockfill Dams. Publications of the Institute of Geophysics, Polish Academy of Sciences, C
    Abstract
  • Smith, Nils Solheim; Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun. (2021) Numerical Modeling of the Effects of Toe Configuration on Throughflow in Rockfill Dams. Water
    Academic article

2020

  • Ravindra, Ganesh Hiriyanna Rao; Gronz, Oliver; Dost, Bastian; Sigtryggsdottir, Fjola Gudrun. (2020) Description of failure mechanism in placed riprap on steep slope with unsupported toe using smartstone probes. Engineering structures
    Academic article

2019

  • Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun; Høydal, Øyvind Armand. (2019) Non-linear flow through rockfill embankments. Journal of Applied Water Engineering and Research
    Academic article
  • Sigtryggsdottir, Fjola Gudrun; Pálmason, Pálmi R.; Hákonardóttir, Kristín Martha; Atladóttir, Auður; Hrafnsdóttir, Hörn; Káradóttir, Ólöf Rós. (2019) Design of fuse plugs in earth-rockfill dams in Iceland.
    Academic chapter/article/Conference paper

2018

  • Sigtryggsdottir, Fjola Gudrun; Snæbjörnsson, Jonas Thor. (2018) Systematic Methodology for Planning and Evaluation of a Multi-source Geohazard Monitoring System. Application of a Reusable Template.
    Academic chapter/article/Conference paper
  • Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun; Lia, Leif. (2018) EVALUATION OF DESIGN CRITERIA FOR DOWNSTREAM RIPRAP OF ROCKFILL DAMS.
    Academic chapter/article/Conference paper

2017

  • Sigtryggsdottir, Fjola Gudrun; Snæbjörnsson, Jonas Thor. (2017) Geohazard monitoring for reservoir and dam safety and sustainability.
    Academic chapter/article/Conference paper
  • Sigtryggsdottir, Fjola Gudrun. (2017) Results from the monitoring of geohazards in the Hálslón Reservoir area. Prepared for Landsvirkjun Prepared for Landsvirkjun
    Report
  • Sigtryggsdottir, Fjola Gudrun. (2017) Landslides into Reservoirs. Overtopping of Embankment Dams. Progress report. NTNU NTNU
    Report

2016

  • Sigtryggsdottir, Fjola Gudrun; Snæbjørnsson, Jonas Thor; Grande, Lars Olav; Sigbjørnsson, Ragnar. (2016) Interrelations in multi-source geohazard monitoring for safety management of infrastructure systems. Structure and Infrastructure Engineering
    Academic article

2015

  • Sigtryggsdottir, Fjola Gudrun; Grande, Lars Olav; Sigbjörnsson, Ragnar. (2015) Statistical analysis of dam settlement data.
    Academic chapter/article/Conference paper
  • Sigtryggsdottir, Fjola Gudrun; Snæbjörnsson, Jonas Thor; Grande, Lars Olav; Sigbjørnsson, Ragnar. (2015) Methodology for geohazard assessment for hydropower projects. Natural Hazards
    Academic article

2010

  • Gardarsson, Sigurdur Magnus; Tómasson, Gunnar Guðni; Sigtryggsdottir, Fjola Gudrun; Pálmason, Pálmi R.; Stefánsson, Björn. (2010) Kárahnjúkar dam spillway - Design and operational experience.
    Academic chapter/article/Conference paper

2002

  • Sigurðsson, Helgi M.; Þórðarson, Sigurður; Sigurðsson, Flosi; Sigtryggsdottir, Fjola Gudrun. (2002) Vatnsaflsvirkjanir á Íslandi (e. Hydropower plants in Iceland). Verkfræðistofa Sigurðar Thoroddsen Verkfræðistofa Sigurðar Thoroddsen
    Textbook

Journal publications

  • Gebremariam, Filmon Tquabo; Tesfay, Asfafaw Haileselassie; Sigtryggsdottir, Fjola Gudrun; Goitom, Haddush; Lia, Leif. (2025) Overtopping-Induced Embankment Breaching Experiments: State-of-the-Art Review on Measurement and Instrumentation. Water
    Academic literature review
  • Sigtryggsdottir, Fjola Gudrun; Hrafnsdóttir, Hörn; Steingrímsson, Jón Haukur; Guðmundsson, Ari. (2025) Experience in diverting and containing lava flow by barriers constructed from in situ material during the 2021 Geldingardalir volcanic eruption. Bulletin of Volcanology
    Academic article
  • Senarathna, Nisal Deelaka Halaba Arachchige; Dezert, Theo; Sigtryggsdottir, Fjola Gudrun. (2025) Particle image velocimetry analysis of the protective layer in embankment dams. Frontiers in Built Environment
    Academic article
  • Kiplesund, Geir Helge; Sigtryggsdottir, Fjola Gudrun; Lia, Leif. (2023) Breach Progression Observation in Rockfill Dam Models Using Photogrammetry. Remote Sensing
    Academic article
  • Kiplesund, Geir Helge; Sigtryggsdottir, Fjola Gudrun. (2022) Laboratory Investigations into Stability and Breaching of Rockfill Dams Using Dynamic Structure from Motion. Proceedings of the IAHR World Congress
    Academic article
  • Kiplesund, Geir Helge; Sigtryggsdottir, Fjola Gudrun. (2021) Laboratory Investigations into Stability and Breaching of Rockfill Dams. Publications of the Institute of Geophysics, Polish Academy of Sciences, C
    Abstract
  • Smith, Nils Solheim; Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun. (2021) Numerical Modeling of the Effects of Toe Configuration on Throughflow in Rockfill Dams. Water
    Academic article
  • Ravindra, Ganesh Hiriyanna Rao; Gronz, Oliver; Dost, Bastian; Sigtryggsdottir, Fjola Gudrun. (2020) Description of failure mechanism in placed riprap on steep slope with unsupported toe using smartstone probes. Engineering structures
    Academic article
  • Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun; Høydal, Øyvind Armand. (2019) Non-linear flow through rockfill embankments. Journal of Applied Water Engineering and Research
    Academic article
  • Sigtryggsdottir, Fjola Gudrun; Snæbjørnsson, Jonas Thor; Grande, Lars Olav; Sigbjørnsson, Ragnar. (2016) Interrelations in multi-source geohazard monitoring for safety management of infrastructure systems. Structure and Infrastructure Engineering
    Academic article
  • Sigtryggsdottir, Fjola Gudrun; Snæbjörnsson, Jonas Thor; Grande, Lars Olav; Sigbjørnsson, Ragnar. (2015) Methodology for geohazard assessment for hydropower projects. Natural Hazards
    Academic article

Books

  • Sigurðsson, Helgi M.; Þórðarson, Sigurður; Sigurðsson, Flosi; Sigtryggsdottir, Fjola Gudrun. (2002) Vatnsaflsvirkjanir á Íslandi (e. Hydropower plants in Iceland). Verkfræðistofa Sigurðar Thoroddsen Verkfræðistofa Sigurðar Thoroddsen
    Textbook

Part of book/report

  • Sigurjónsson, Styrmir; Sigtryggsdottir, Fjola Gudrun; Kiplesund, Geir Helge. (2022) Pertinence of parametric based breach models for rockfill dams.
    Academic chapter/article/Conference paper
  • Dezert, Theo; Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun. (2022) Load and Deformation Relations of Placed Riprap Model with Toe Support.
    Academic chapter/article/Conference paper
  • Sigtryggsdottir, Fjola Gudrun; Pálmason, Pálmi R.; Hákonardóttir, Kristín Martha; Atladóttir, Auður; Hrafnsdóttir, Hörn; Káradóttir, Ólöf Rós. (2019) Design of fuse plugs in earth-rockfill dams in Iceland.
    Academic chapter/article/Conference paper
  • Sigtryggsdottir, Fjola Gudrun; Snæbjörnsson, Jonas Thor. (2018) Systematic Methodology for Planning and Evaluation of a Multi-source Geohazard Monitoring System. Application of a Reusable Template.
    Academic chapter/article/Conference paper
  • Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun; Lia, Leif. (2018) EVALUATION OF DESIGN CRITERIA FOR DOWNSTREAM RIPRAP OF ROCKFILL DAMS.
    Academic chapter/article/Conference paper
  • Sigtryggsdottir, Fjola Gudrun; Snæbjörnsson, Jonas Thor. (2017) Geohazard monitoring for reservoir and dam safety and sustainability.
    Academic chapter/article/Conference paper
  • Sigtryggsdottir, Fjola Gudrun; Grande, Lars Olav; Sigbjörnsson, Ragnar. (2015) Statistical analysis of dam settlement data.
    Academic chapter/article/Conference paper
  • Gardarsson, Sigurdur Magnus; Tómasson, Gunnar Guðni; Sigtryggsdottir, Fjola Gudrun; Pálmason, Pálmi R.; Stefánsson, Björn. (2010) Kárahnjúkar dam spillway - Design and operational experience.
    Academic chapter/article/Conference paper

Report

  • Sigtryggsdottir, Fjola Gudrun; Kjellesvig, Hilde Marie. (2025) Reserveflomløp. Norges vassdrags- og energidirektorat Norges vassdrags- og energidirektorat
    Report
  • Sigtryggsdottir, Fjola Gudrun. (2022) Environmental loads on embankment dams in mountainous regions. Norwegian Water Resources and Energy Directorate Norwegian Water Resources and Energy Directorate
    Report
  • Sigtryggsdottir, Fjola Gudrun. (2017) Results from the monitoring of geohazards in the Hálslón Reservoir area. Prepared for Landsvirkjun Prepared for Landsvirkjun
    Report
  • Sigtryggsdottir, Fjola Gudrun. (2017) Landslides into Reservoirs. Overtopping of Embankment Dams. Progress report. NTNU NTNU
    Report

Teaching

Courses

  • TBM4500 - Civil and Environmental Engineering, Specialization Project
  • VM8208 - Topics in Environmental Hydraulics and Hydrology
  • TBM4501 - Civil and Environmental Engineering, Specialization Project
  • TBM4900 - Master's Thesis in Civil and Environmental Engineering
  • VM6001 - Dam Safety
  • TVM5115 - Planning and Design of Dams
  • TBM4970 - Master's Thesis in Hydropower Development
  • VM8107 - Topics in Hydraulics

Outreach

2024

  • Poster
    Karmacharya, Sanat Kumar; Sigtryggsdottir, Fjola Gudrun. (2024) Monitoring of Ice Cover Extent on a Hydropower Reservoir Using Open-Source Data. AGU24 Annual Meeting , Washington DC 09.12.2024 - 13.12.2024
  • Lecture
    Sigtryggsdottir, Fjola Gudrun. (2024) Forskning ved NTNU på sikkerhet og sikring av dammer. Statusseminar for energiforskningen. , Oslo 01.11.2024 - 01.11.2024
  • Interview
    Sigtryggsdottir, Fjola Gudrun; Ruud, Merethe. (2024) Fem spørsmål om jordskjelv. Teknisk ukeblad Teknisk ukeblad [Journal] 15.10.2024

2023

  • Academic lecture
    Dezert, Theo; Kiplesund, Geir Helge; Sigtryggsdottir, Fjola Gudrun. (2023) Parametric breach models evaluation from laboratory rockfill dam overtopping. ICOLD Symposium Proceedings Management for Safe Dams , Gothenburg 13.06.2023 - 14.06.2023

2020

  • Academic lecture
    Snæbjörnsson, Jonas Thor; Sigtryggsdottir, Fjola Gudrun. (2020) LARGE DAMS: SEISMIC HAZARD, DESIGN AND SAFETY ASPECTS. The 17th World Conference on Earthquake Engineering , Sendai 13.09.2020 - 18.09.2020

2019

  • Lecture
    Sigtryggsdottir, Fjola Gudrun; Tómasson, Gunnar Guðni. (2019) Avalanche and landslide hazard zoning committees in Iceland. International Symposium on Mitigation Measures against Snow Avalanches and other Rapid Gravity Mass Flows , Siglufjörður 02.04.2019 - 05.04.2019

2018

  • Academic lecture
    Ravindra, Ganesh Hiriyanna Rao; Sigtryggsdottir, Fjola Gudrun; Lia, Leif. (2018) EVALUATION OF DESIGN CRITERIA FOR DOWNSTREAM RIPRAP OF ROCKFILL DAMS. International Commission on Large Dams Congress-2018 , Vienna 01.07.2018 - 07.07.2018
  • Lecture
    Sigtryggsdottir, Fjola Gudrun. (2018) Damsikkerhet, hva er det?. Damsikkerhet III , Oslo 30.05.2018 - 30.05.2018
  • Lecture
    Sigtryggsdottir, Fjola Gudrun. (2018) Skred i magasin, oppsummering. NVE-TBD Avdelings-/seksjonssamling 15.02.2018 - 15.02.2018

2017

  • Academic lecture
    Sigtryggsdottir, Fjola Gudrun; Snæbjörnsson, Jonas Thor. (2017) Systematic Methodology for Planning and Evaluation of a Multi-source Geohazard Monitoring System. Application of a Reusable Template. Proceedings of the International Conference on Earthquake Engineering and Structural Dynamics. ICESD 2017 , Reykjavik 12.06.2017 - 14.06.2017
  • Academic lecture
    Sigtryggsdottir, Fjola Gudrun; Snæbjörnsson, Jonas Thor. (2017) Geohazard monitoring for reservoir and dam safety and sustainability. ICSMGE 17.09.2017 - 22.09.2017
  • Academic lecture
    Lia, Leif; Ravindra, Ganesh Hiriyanna Rao; Hiller, Priska Helene; Sigtryggsdottir, Fjola Gudrun. (2017) Overtopping erosion of rockfill dams – Research in Norway. International Workshop on overflowing erosion of dams and dikes , Aussois, France 11.12.2017 - 14.12.2017

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