Oral presentations / posters

ALÞJÓÐLEGAR RÁÐSTEFNUR – FYRIRLESTRAR:

INTERNATIONAL CONFERENCES – ORAL PRESENTATIONS:

2022

Þorsteinn Sæmundsson and Jon Kristinn Helgason 2022: Climate change and slope stability in Iceland. EGU General Assembly 2022. EGU22-11330. https://doi.org/10.5194/egusphere-egu22-11330

Greta Wells, Sheryl Luzzadder-Beach, Timothy Beach, Thorsteinn Saemundsson, and Andrew Dugmore 2022: Holocene jökulhlaups along the Hvítá River, Iceland: geomorphology, chronology, and hydrology. EGU General Assembly 2022. EGU22-4034 https://doi.org/10.5194/egusphere-egu22-4034

Þorsteinn Sæmundsson & Jón Kristinn Helgason 2022: Has climate changes affect slope stability during the last decades in Iceland? 35th Nordic Geological Winter Meeting, Programme and abstarcts. Reykjavík, Iceland 11-13 May.

Daniel Ben-Yehoshua, Þorsteinn Sæmundsson, Reginald Hermanns & Sigurður Erlingsson 2022: Extensive paraglacial slope adjustments around Svínafellsjökull, SE Iceland. A warning for other outlet glacier valleys? 35th Nordic Geological Winter Meeting, Programme and abstarcts. Reykjavík, Iceland 11-13 May.

Greta Wells, Þorsteinn Sæmundsson, Dugmore Andrew, Sheryl Luzzadder-Beach & Timothy Beach 2022: Geomorphology, hydrology, and chronology of early Holocene jökulhlaups along the Hvítá River, southwestern Iceland. 35th Nordic Geological Winter Meeting, Programme and abstarcts. Reykjavík, Iceland 11-13 May.

Nathan Smail, Þorsteinn Sæmundsson, Daniel Ben-Yehoshua & Greta Wells 2022: The Geomorphological Legacy of the Steinsholtshlaup Rockslide and Outburst Flood in 1967. 35th Nordic Geological Winter Meeting, Programme and abstarcts. Reykjavík, Iceland 11-13 May.

2021

Sæmundsson, T., Einarsson, P., Geirsson, H., Belart, J., Hjartardottir, A. R., Magnusson, E., Palsson, F., Pedersen, G., Drouin, V., and Ben-Yehoshua, D.: Deep seated gravitational slope deformation north of the Tungnakvíslarjökull outlet glacier, in western Mýrdalsjökull ice cap, S-Iceland, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-14225, https://doi.org/10.5194/egusphere-egu21-14225, 2021.

Wells, G., Luzzadder-Beach, S., Beach, T., Sæmundsson, T., and Dugmore, A.: Geomorphology, hydrology, and chronology of Early Holocene jökulhlaups along the Hvítá River and Gullfoss waterfall, Iceland, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-15752, https://doi.org/10.5194/egusphere-egu21-15752, 2021.

Ben-Yehoshua, D., Sæmundsson, Þ., Helgason, J. K., M.C. Belart, J., and Erlingsson, S.: Moraine destabilization leading to the 2013 landslide onto Svínafellsjökull glacier, SE Iceland, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-15140, https://doi.org/10.5194/egusphere-egu21-15140, 2021.

Delage, E., Van Wyk de Vries, B., Philippe, M., Conway, S., Morino, C., Manrique Llerena, N., Aguilar Contreras, R., Soncco, Y., Sæmundsson, Þ., and Kristinn Helgason, J.: Visualising and experiencing geological flows in Virtual Reality, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-8801, https://doi.org/10.5194/egusphere-egu21-8801, 2021.

2020

Þorsteinn Sæmundsson, Páll Einarsson, Joaquin Belart, Ásta Rut Hjartardóttir, Eyjólfur Magnússon, Halldór Geirsson, Finnur Pálsson, Halldór Geirsson, Gro Pedersen & Vincent Druin 2020: Slope deformation above the Tungnakvíslarjökull outlet glacier in western part of the Mýrdalsjökull glacier. 34^th Nordic Geological Winter Meeting. Oslo, Norway, 8-10^th January 2020.

Wells, G., Sæmundsson, Þ., Luzzadder-Beach, S., Beach, T.1 & Dugmore, A. 2019: Geomorphologic and geochronological reconstruction of Holocene jökulhlaups along the Hvítá River and Gullfoss waterfall, Iceland. 34^th Nordic Geological Winter Meeting. Oslo, Norway, 8-10^th January 2020.

2019

Þorsteinn Sæmundsson 2019: Increased risk of large slope failures in light if rising temperature in Iceland. Norway, India, Iceland seminars on unstable rock slopes. Trondheim, Norway, 11. June 2019.

Þorsteinn Sæmundsson, Jón Kristinn Helgason, Daniel Ben-Yehoshua, Bergur H. Bergsson, Benedikt Ófeigsson, Eyjólfur Magnússon, Ásta Rut Hjartardóttir, Vincent Drouin, Joaquin Munoz Cobo Belart, Harpa Grímsdóttir, Gro Birkefeldt Møller Pedersen, Finnur Pálsson, Snævarr Guðmundsson & Halldór Geirsson 2019: Monitoring rock avalanche hazard from the Svínafellsheiði mountainside in SE Iceland. International Symposium on Mitigative Measures against Snow Avalanches and Other Rapid Gravity Mass Flows Siglufjörður, Iceland, April 3–5, 2019.

Þorsteinn Sæmundsson, Jón Kristinn Helgason, Daniel Ben-Yehoshua, Bergur H. Bergsson, Benedikt Ófeigsson, Eyjólfur Magnússon, Ásta Rut Hjartardóttir, Vincent Drouin, Joaquin Munoz Cobo Belart, Harpa Grímsdóttir, Gro Birkefeldt Møller Pedersen, Finnur Pálsson, Snævarr Guðmundsson & Halldór Geirsson 2019: Risk of major rock slope failure at the Svínafellsheiði mountain, SE Iceland. Geophysical Research Abstracts. Vol. 21, EGU2019-9650, 2019. EGU General Assembly 2019.

Costanza Morino, Susan J. Conway, Matthew R. Balme, Þorsteinn Sæmundsson, Jón Kristinn Helgason, Colm Jordan, John Hillier & Tom Argles 2019: A morphometric approach to reveal the effects of ground-ice thaw on rapid mass movements in northern Iceland. Geophysical Research Abstracts. Vol. 21, EGU2019-9650, 2019. EGU General Assembly 2019.

Sigríður Sif Gylfadóttir, Martin Mergili, Tómas Jóhannesson, Jón Kristinn Helgason, Þorsteinn Sæmundsson, Jan-Thomas Fischer & Shiva P. Pudasaini 2019: A three-phase mass flow model applied for the simulation of complex landslide–glacier–lake interactions in Iceland. Geophysical Research Abstracts. Vol. 21, EGU2019-9650, 2019. EGU General Assembly 2019.

Snævarr Guðmundsson, Helgi Björnsson, Finnur Pálsson, Þorsteinn Sæmundsson & Tómas Jóhannesson 2019: Terminus lagoons on the south side of Vatnajökull ice cap, SE-Iceland. Geophysical Research Abstracts. Vol. 21, EGU2019-9650, 2019. EGU General Assembly 2019.

Jon Kristinn Helgason, Þorsteinn Sæmundsson, Vincent Drouin, Tómas Jóhannesson, Harpa Grímsdóttir, Magni Hreinn Jónsson & Sigríður Sif Gylfadóttir 2019: The Hítardalur landslide in West Iceland in July 2018. Geophysical Research Abstracts. Vol. 21, EGU2019-9650, 2019. EGU General Assembly 2019.

2018

Þorsteinn Sæmundsson, Costanza Morino, Susan J. Conway, Armelle Decaulne, Ólafur Ingólfsson, Gro Birkefeldt Møller Pedersen, Daniel Ben-Yehoshua & Victor Madrigal 2018. A new source of hazard risk! – GLOF caused by mass movements into the rapidly forming proglacial lakes in Iceland – EUCOP6 Chamonix, Mont-Blanc. 23 June – 1 July.

Thorsteinn Saemundsson & Halldor Petursson 2018: Causes and triggering factors for large scale displacements in the Almenningar landslide area, in central North Iceland. Geophysical Research Abstracts. Vol. 20, EGU2018-6482-1, 2018 EGU General Assembly 2018.

Barbara Friedl, Daniel Hölbling, Jirathana Dittrich, Dirk Tiede, Thorsteinn Saemundsson, Snævarr Guðmundsson & Gro B.M. Pedersen 2018: Delineation of rock avalanche deposits on glaciers from different remote sensing data. Geophysical Research Abstracts. Vol. 20, EGU2018-13689, 2018. EGU General Assembly 2018.

Þorsteinn Sæmundsson, Costanza Morino, Jón Kristinn Helgason, Conway Susan and Halldór G. Pétursson 2018: The triggering factors of the Móafellshyrna debris slide in northern Iceland: intense precipitation, earthquake activity and thawing of mountain permafrost. 33^rd Nordic Geological Winter Meeting. Lyngby, Denmark, 10-12^th January 2018.

Skafti Brynjólfsson, Nuria Andrés, David Palacios and Þorsteinn Sæmundsson 2018: Preliminary results base don 24 new ³⁶CL exposure datings reveals asynchronous deglacial history of Tröllaskagi peninsula, central North Iceland. 33^rd Nordic Geological Winter Meeting. Lyngby, Denmark, 10-12^th January 2018.

2017

Thorsteinn Saemundsson, Costanza Morino, Jón Kristinn Helgason, Susan J. Conway and Halldór G. Pétursson 2017: The triggering factors of the Móafellshyrna debris slide in northern Iceland: intense precipitation, earthquake activity and thawing of mountain permafrost. European Geosciences Union, General Assembly 2017, Vienna, Austria, 23 – 28. April 2017.

Costanza Morino, Susan J. Conway, Þorsteinn Sæmundsson, Jón Kristinn Helgason, Matthew R. Balme, Colm Jordan, John Hillier and Tom Argles 2017: Molards: “forgotten” periglacial landforms revealing landslide-processes and permafrost degradation. European Geosciences Union, General Assembly 2017, Vienna, Austria, 23 – 28. April 2017.

Costanza Morinoa, Susan J. Conway, Þorsteinn Sæmundsson, Jón Kristinn Helgason, Matthew R. Balme, Colm Jordan, John Hillier, Tom Arglesa 2017: Mobility of Landslides and Permafrost Degradation Revealed by Molards: two Case Studies in Northern Iceland. 9^th International Conference on Geomorphology (9^th ICG), 6^th – 11^th November, Vigyan Bhawan, New Delhi.

Costanza Morino, Susan J. Conway, Matthew R. Balme, Colm Jordan, John Hillier, Þorsteinn Sæmundsson, Tom Argles 2017: Multi-Temporal Lidar Datasets Revealing Different Styles of Debris Flow Triggering Style and Their Evolution in the Westfjords of Iceland. 9^th International Conference on Geomorphology (9^th ICG), 6^th – 11^th November, Vigyan Bhawan, New Delhi.

Denis Mercier; Julien Coquin; Etienne Cossat;  Armelle Decaulne;  Thierry Feuillet; Helgi Páll Jónsson and Þorsteinn Sæmundsson 2017: Post-glacial rock-slope failures in Iceland: Spatial distribution , pattern and triggering factors. 9^th International Conference on Geomorphology (9^th ICG), 6^th – 11^th November, Vigyan Bhawan, New Delhi.

LEBRUN J., BHIRY N., WOOLLETT J., Decaulne A., Sæmundsson Þ., 2017. Slope processes and their impact on human infrastructures since AD 1000 in Northeast Iceland. Arctic Change 2017, Quebec City, Canada, 11-15 December 2017.

Dittrich, J., Friedl, B., Hölbling, D., Pedersen, G.B.M., Saemundsson, T., Guðmundsson, S., 2017. Towards the Compilation of a Terrain-Corrected Backscatter Database of Glacio-Volcanic Land Cover Types. Geological Remote Sensing Group (GRSG) 28th Annual Conference - "Applied Geological Remote Sensing", Lisbon, Portugal, 13-15 December.

2016

Þorsteinn Sæmundsson 2016: Debris slide activity caused by thawing og mountain permafrost in Iceland. Engineering Geology 2016, June 16-17. Hight Tatras – Nový Smokovec.

Þorsteinn Sæmundsson & Guðbjörn Margeirsson 2016: Frequency, triggering factors and possible consequences of mass movements on outlet glaciers in Iceland. European Geosciences Union, General Assembly 2016, Vienna, Austria, 17 – 22. April 2016.

Morino, C., Conway, S.J., Balme, M.R., Jordan, C., Hillier, J., Sæmundsson, Þ., Argles, T., 2015. The comparison between two airborne LiDAR datasets to analyse debris flow initiation in north-western Iceland, EGU General Assembly 2015.

Þorsteinn Sæmundsson, Jón Kristinn Helgason, Sveinn Brynjólfsson, Ármann Höskuldsson, Ásta Rut Hjarðardóttir & Freysteinn Sigmundsson 2016: What did trigger the rockslide in the Askja caldera on the 21st of July 2014? 32nd Nordic Geological Winter Meeting 2016, Helsinki, Finland 13-15 January 2016.

2015

Thorsteinn Saemundsson, Jon Kristinn Helgason, Sveinn Brynjólfsson, Armann Hoskuldsson, Asta Rut Hjartardottir & Freysteinn Sigmundsson 2015: The rockslide in the Askja caldera on the 21st of July 2014. European Geosciences Union, General Assembly 2015, Vienna, Austria, 12 – 17. April 2015.

David Palacios, Nuria Anders, Þorsteinn Sæmundsson & Skafti Brynjólfsson 2015.The deglaciation of the Tröllaskagi Peninsula, Northern Iceland, based on cosmogenic datings. European Geosciences Union, General Assembly 2015, Vienna, Austria, 12 – 17. April 2015.

2014

Þorsteinn Sæmundsson, HreggviðurNorðdahl & Halldór G. Pétursson 2014: Rock avalanches, rock slides and rock falls in the Quaternary bedrock in Iceland. The 3rd Slope Tectonic Conference, September 8-12, 2014. NGU, Trondheim Norway.

Þorsteinn Sæmundsson, Jón Kristinn Helgason & Halldór G. Pétursson 2014 Decline of mountain permafrost and the occurrence of recent large debris slides in Iceland. European Geosciences Union, General Assembly 2014, Vienna, Austria, 27 April – 02 May 2014

Þorsteinn Sæmundsson, Jón Kristinn Helgason & Halldór G. Pétursson 2014.The melting of mountain permafrost and the Móafellshyrna debris slide in Northern Iceland. 31^st Nordic Geological Winter Meeting. 8-10 January 2014, Lund University.

2013

Saemundsson T., Helgason J., Petursson H. 2013: The debris slide in the Móafellshyrna Mountain on the 20th of September 2012. Was it triggered by intense precipiation and earthquake activity or simply by melting of the permafrost? 8th IAG International Conference on Geomorphology - August 27th to 31st.

Decaulne A., Mercier D., Cossart E., Feuillet T., Jónsson H.P. & Sæmundsson Þ. 2013: The Vatn landslide, Skagafjördur, northern Iceland: early Holocene dating and Holocene palaeoenvironmental reconstitution potentialities. 8th IAG International Conference on Geomorphology - August 27th to 31st.

Decaulne A., Mercier D., Cossart E., Feuillet T., Jónsson H.P. & Sæmundsson Þ. 2013: The Vatn landslide, Skagafjördur, northern Iceland: evidence of an early Holocene paraglacial crisis and impact on further slope development. European Geosciences Union, General Assembly 2013, Vienna, Austria, 7 April – 12 April 2013.

Mercier D., Cossart E., DecaulneA., Feuillet T., Coquin J., Bourgeois O., Pochat S., Jónsson H.P. & Sæmundsson Þ. 2013: Toward a comprehensive paraglacial model: case studies from Iceland. 8th IAG International Conference on Geomorphology - August 27th to 31st.

Cossart E. Mercier D., DecaulneA., Feuillet T., Jonsson H. & Saemundsson Þ. 2013: Impacts of post glacial rebound on landsliding at a regional scale in Northern Iceland (Skagafjörður): spatial distribution and mechanisms involved. 8th IAG International Conference on Geomorphology - August 27^th to 31^st.

2012

Þorsteinn Sæmundsson, Halldór G. Pétursson, Ingvar Atli Sigurðsson, Armelle Decaulne & Helgi Páll Jónsson 2012: The rock avalanche on the Morsárjökull outlet glacier, 20^th of March 2007 and its effects on the glacier. 30^th Nordic Geological Winter Meeting, Programme and abstarcts. Reykjavík, Iceland 9-12 January, pp 103.

Halldór G. Pétursson & Þorsteinn Sæmundsson 2012: Recent rock slide and rock avalanche activity in Iceland and its connection to climate change. 30^th Nordic Geological Winter Meeting, Programme and abstarcts. Reykjavík, Iceland 9-12 January, pp 102.

Armelle Decaulne, Ólafur Eggertson, Katja Laute, Þorsteinn Sæmundsson & Achim Beylich 2012. Changes in snow-avalanche activity on selected parts in Northern Iceland and Western Norway highlighted by dentrocronologic analyses. 30^th Nordic Geological Winter Meeting, Programme and abstarcts. Reykjavík, Iceland 9-12 January, pp 103.

Mercier D., Decaulne A., Cossart E., Feuillet T., Sæmundsson Þ. & Jónsson H.P., 2011 - Reconstructing chronology of post-glacial mass movements in the Skagafjörður fjord (Northern Iceland) from radiocarbon, tephrochronological and geomorphological results. 30th Nordic Geological Winter Meeting, Reykjavík, Iceland, January 9-13, 2012.

Þorsteinn Sæmundsson & Halldór G. Pétursson 2012: Debris flow, rock fall and rockslide activity in NW Iceland: Distribution and triggering factors. 7th I.A.G./A.I.G. SEDIBUD Workshop – Trondheim, Norway – September 10-17, 2012

2011

Mercier D., Decaulne A., Cossart E., Feuillet T., Sæmundsson Þ. & Jónsson H.P., 2011 - Dating of a rock avalanche in Skagafjörður, Northern Iceland: pieces of evidence of a paraglacial origin. European Geoscience Union General Assembly, Vienna, Austria, 3-8 April 2011.

DecaulneA., Sæmundsson Þ. & EggertssonÓ., 2011 - Changes in recent snow-avalanche occurrence in Northern Iceland by compiling geomorphic and dendrochronologic evidence. International Conference Polar Words, Paris, France, January 26-29, 2011.

2010

Þorsteinn Sæmundsson, Ingvar Atli Sigurðsson, Halldór G. Pétursson, Armelle Decaulne & Helgi Páll2010: The Morsárjökull rock avalanche, in the southern part of the Vatnajökull ice cap, and its effect on the Morsárjökull outlet glacier from 2007-2010. 5th I.A.G./A.I.G. SEDIBUD Workshop – Sauðárkrókur, Iceland – September 19-25, 2010

Halldór G. Pétursson, Þorsteinn Sæmundsson, Helgi Páll Jónsson & Skafti Brynjólfsson 2010: Landslides in Iceland, a short review. 5th I.A.G./A.I.G. SEDIBUD Workshop – Sauðárkrókur, Iceland – September 19-25, 2010

Armelle Decaulne, DENIS Mercier, ETIENNE CROSSART, THIERRY Feuillet, Þorsteinn Sæmundsson & Helgi Páll Jónsson 2010 : The Höfðahólar rock avalanche in Skagafjörður, Northern Iceland: geomorphological characteristics and relative dating. 5th I.A.G./A.I.G. SEDIBUD Workshop – Sauðárkrókur, Iceland – September 19-25, 2010

Þorsteinn Sæmundsson, Ingvar Atli Sigurðsson, Halldór G. Pétursson, Armelle Decaulne & Helgi Páll Jónsson 2010: Effects of a rock avalanche in 2007 on the surface of the Morsárdalur outlet glacier in the southern part of the Vatnajökull ice cap: APEX Fourth International Conference and Workshop, Iceland 2010, p 74

Thorsteinn Saemundsson, Halldor G. Petursson, Helgi P. Jonsson & Armelle Decaulne 2010. The Tjarnardalir landslide, in central north Iceland – recent movements, causes ad triggering factors. EGU, General Assembly 2010.

Thorsteinn Saemundsson, Ingvar A. Sigurdsson, Halldor G. Petursson, Armelle Decaulne & Helgi P. Jonsson 2010. The Morsárjökull rock avalanche in the soputhern part of the Vatnajökull glacier, south Iceland. EGU, General Assembly 2010.

2008

Decaulne A. & Sæmundsson Þ., 2008 - Recent debris transfer on colluvial cones: processes, distribution and frequency a case study from the Fnjóskadalur valley, Central North Iceland. Third SEDIBUD Science Meeting, Boulder Mountain Research Station, Colorado, USA, September 9-13 2008.

Beylich, A.A., Lamoureux, S.F., Decaulne, A., Dixon, J.C., Orwin, J.F., Overeem, I., Sæmundsson, Þ., Warburton, J. & Z. Zwolinski 2008: Sediment Budgets in Cold Environments: The I.A.G. / A.I.G. SEDIBUD program. NGU Report, 2008.058: 19-20

Sæmundsson Þ., Petursson H.G., Decaulne A., Jónsson H.P., Sigurðsson I.A., JensenE.H., Roberts M.J., 2008 - The Morsárjökull rock avalanche in the southern part of the Vatnajökull glacier, south Iceland. Third SEDIBUD Science Meeting, Boulder Mountain Research Station, Colorado, USA, September 9-13 2008.

rnald, H.P., Petursson H.G. & Sæmundsson Þ. 2008: Rock slides and rock avalanches in the Skagafjörður area, Central North Iceland – a report on a work in progress Third SEDIBUD Science Meeting, Boulder Montain Research Station, Colorado, USA, September 9-13 2008.

Decaulne A., Sæmundsson Þ. & Jónsson H.P., 2008 - Extreme runout distance of snow-avalanche transported boulders linked to hazard assessment; some case studies in Northwestern and Northern Iceland. In International Symposium on Mitigative Measures against Snow Avalanches, Egilsstaðir, Iceland, March 11–14, 2008.

Sæmundsson Þ., Decaulne A. & Jónsson H.P., 2008 - Sediment transport associated with snow avalanche activity and its implication for natural hazard management in Iceland. In International Symposium on Mitigative Measures against Snow Avalanches, Egilsstaðir, Iceland, March 11–14, 2008.

2007

Sæmundsson Þ., Arnalds Ó., Kneisel C., Jónsson H.P. & Decaulne A., 2007 - Monitoring of the Orravatnsrústir palsa site, in the Hofsfrétt area in Central Iceland. Second SEDIBUD Science Meeting, Abisko, Sweden, 15-19 September 2007.

Decaulne A., Sæmundsson Þ. & Jónsson H.P., 2007 - Postglacial sediment budget records from colluvial cones in N and NW-Iceland. Second SEDIBUD Science Meeting, Abisko, Sweden, 15-19 September 2007.

Sæmundsson, Þ. & Decaulne, A. 2007: Meteorological triggering factors and thres­hold conditions for shallow landslides and debris-flow activity in Iceland. First Ameri­can Landslide Conference, Vail, Colorado, 3-9 June 2007.

Sæmundsson, Þ., Pétursson, H.G., Kneisel, C. & Beylich, A. 2007: Moni­toring of the Tjarnardalir landslide, in central North Iceland. First American Landslide Conference, Vail, Colorado, 3-9 June 2007.

Decaulne, A. & Sæmundsson, Þ. 2007:  The role of geomorphological evidence for snow-avalanche hazard and mitigation research in northern Icelandic fjords. First Ameri­can Landslide Conference, Vail, Colorado, 3-9 June 2007.

2006

Decaulne, A. & Sæmundsson, Þ. 2006:  Considering both “in zone” and “extra-zone” features for multirisk assessment related to geomorphic processes on slopes in the Icelandic fjords. Fifth International Conference on Computer Simulation in Risk Ana­lysis and Hazard Mitigation, Malta, 19-21 June 2006.

Kneisel, C., Sæmundsson, T. & Beylich, A.A., 2006: Permafrost environments in central Iceland. Geophysical Research Abstracts, 8. 04226.

2005

Decaulne, A. & Sæmundsson, Þ. 2005: Post-Little Ice Age slope and nival processes in the Icelandic fjords: triggering factors, geomorphological impact and natural hazards. 6th International Conference on Geomorphology, Zaragoza, Spain, 7-12 September 2005.

Sæmundsson, Þ. & Decaulne, A. 2005:  Morphological impact of ground snow avalanches in Iceland. Second SEDIFLUX Science Meeting, Shifting Lands, new insights into periglacial geormophology, Clermont-Ferrand, France, 20-22 January 2005.

2004

Decaulne, A. & Sæmundsson, Þ. 2004: Present-day geomorphic efficiency of slope processes in the Icelandic Westfjords; some quantitative and qualitative considerations on snow avalanches and debris-flow impact. First SEDIFLUX Science Meeting, Sauðárkrókur, Iceland, 18-22 June, 2004.

Sæmundsson, Þ., Pétursson, H.G. & Jonsson, H.B. 2004: Monotoring of a large landslide in the Almenningar area, N-Iceland. In: Beylich, A.A., Sæmundsson, Þ., Decaulne, A. & O. Sandberg (Eds.): First Science Meeting of the European Science Foundation ESF – Network SEDIFLUX. Sauðárkrókur, Iceland, June 18^th – 21^st, 2004. - Extended Abstracts of Science Meeting Contributions. Náttúrustofa Norðurlands vestra. NNV-2004-003. pp 57-58.

Beylich, A.A., ETIENNE, S., Etzelmuller, B., Gordeev, V.V., Kayhkö, J., Rachold, V., Russell, A.J., Schmidt, K.-H., Sæmundsson, Þ., Tweed, F.S. & J. Warburton (2004): The ESF Network SEDIFLUX: “Sedimentary Source-to-Sink-Fluxes in Cold Environments” – an introduction. In: Beylich, A.A., Sæmunds­son, Þ., Decaulne, A. & O. Sandberg (Eds.): First Science Meeting of the European Science Foundation ESF – Network SEDIFLUX. Sauðárkrókur, Iceland, June 18^th – 21^st, 2004. - Extended Abstracts of Science Meeting Contributions. Náttúrustofa Norðurlands vestra. NNV-2004-003. pp. 27-28.

Decaulne, A. & Sæmundsson, Þ. 2004: Present-day geomorphic efficiency of slope processes in the Icelandic Westfjords. Some considerations on snow avalanches and debris-flow impact.  In: Beylich, A.A., Sæmundsson, Þ., Decaulne, A. & O. Sandberg (Eds.): First Science Meeting of the European Science Foundation ESF – Network SEDIFLUX. Sauðárkrókur, Iceland, June 18^th – 21^st, 2004. - Extended Abstracts of Science Meeting Contributions. Náttúrustofa Norðurlands vestra. NNV-2004-003. pp 32-33.

Decaulne, A. & Sæmundsson, Þ. 2004: The june10^th-12^th, 1999 snowmelt triggered debris flows in the Gleidarhjalli area, north-western Iceland. In: Beylich, A.A., Sæmunds­s­on, Þ., Decaulne, A. & O. Sandberg (Eds.): First Science Meeting of the European Science Foundation ESF – Network SEDIFLUX. Sauðárkrókur, Iceland, June 18^th – 21^st, 2004. - Extended Abstracts of Science Meeting Contributions. Náttúrustofa Norðurlands vestra. NNV-2004-003. pp 74-75.

Pétursson, H.G. & Sæmundsson, Þ. 2004: The 1995 Sölvadalur debris slide in Central North Iceland. In: Beylich, A.A., Sæmundsson, Þ., Decaulne, A. & O. Sandberg (Eds.): First Science Meeting of the European Science Foundation ESF – Network SEDIFLUX. Sauðárkrókur, Iceland, June 18^th – 21^st, 2004. - Extended Abstracts of Science Meeting Contributions. Náttúrustofa Norðurlands vestra. NNV-2004-003. pp 80-81.

2003

Decaulne, A. & Sæmundsson, Þ. 2003: Debris-flow characteristics in the Gleidar­hjalli area, Northwestern Iceland. 3rd International Conference on debris-flow hazards mitigation, Davos, Suisse, 10-12 September 2003.

Sæmundsson, Þ., Petursson, H.G. & Decaulne, A. 2003: Triggering factors for rapid mass-movements in Iceland. 3rd International Conference on debris-flow hazards mitigation, Davos, Suisse, 10-12. September 2003.

2002

Sæmundsson, Þ. & Pétursson, H.G. 2002: Triggering factors for rapid mass-movements in Iceland. In: Sigurður Sveinn Jónsson (ed.): Abstract volume: The 25th Nordic Geological Winter Meeting, Reykjavík, Iceland, January 6th – 9th 2002, p. 212. Geoscience Society of Iceland.

Sæmundsson, Þ. & Norðdahl, H. 2002. Raudamelur, a Weichselian Interstadial on the Reykjanesskagi Peninsula, Southwestern Iceland. In Sigurður Sveinn Jónsson (ed.): Abstract volume: The 25th Nordic Geological Winter Meeting, Reykjavík, Iceland, January 6th–9th, 2002 pp 211. Geoscience Society of Iceland.

2000

Pétursson, H.G. & Sæmundsson, Þ. 2000: The connection between rapid mass-movement and extreme precipitation, examples from Eastern Iceland. In A. J. Russell & P. M. Marren (eds.): Iceland 2000: Modern processes and past environments. Keele University, Dep. Geogr. Occasional Papers Series No. 21. p. 84.

Sæmundsson, Þ. 2000: Sedimentary transport with snow-avalanches. Dose it occur? Iceland 2000, Modern processes and Past Environments. International Conference, Keel University, April 27.-29. 2000. Abstract volume, pp 101.

Norðdahl, H., Pétursson, H.G. & Sæmundsson, Þ. 2000: Late Weicheseilan deglaciation of Eastern and North-eastern Iceland and the configure of the inland ice-sheet. Iceland 2000, Modern processes and Past Environments. International Conference, Keel University, April 27.-29. 2000. Abstract volume, pp. 77.

1998

Sæmundsson, Þ.  1998: Sedimentary transport with snow-avalanches, examples from northern and northwestern parts of Iceland. Nordic Geological Winter Meeting, Aarhus 1998.

Pétursson, H.G. & Sæmundsson, Þ.  1998: Landslide inventory of Iceland 1925-1995. Nordic Geological Winter Meeting, Aarhus 1998.

Sæmundsson, Þ.  1998: The Sölvadalur debris-slide. Nordic Geological Winter Meeting, Aarhus 1998.

Sæmundsson, Þ.  1998: The year 1995 in Iceland: Avalanches and debris-flow activity. Department of Quaternary Geology, University of Lund, Sweden.

Blikra, L.H. & Sæmundsson, Þ. 1998: The potential of sedimentology and strati­graphy in avalanche-hazard research. Norwegian Geotechnical Institute. Publication Nr.203.

1992

Sæmundsson, Þ. 1992: Deglaciation of the Vopnafjördur area, Northeast Iceland. Nordic Geological Winter Meeting, Reykjavík 1992.

1991

Sæmundsson, Þ. 1991: The deglaciation of the Hofsárdalur valley, Northeast Iceland. INQUA Commission on the Formation and Properties of Glacial Deposits: Meeting and Excursion in Ireland, 19-28 May 1991.

 

 

 

Alþjóðlegar ráðstefnur – Veggspjöld

International conferences - Poster presentations

2019

Þorsteinn Sæmundsson, Bjarni Bessason, Dana Sitanyiova, Marian Drusa, Bergur Hermann Bergsson, Sigurður Erlingsson & Haraldur Sigursteinsson 2019: TDR used for the first time to monitor slope movements in Iceland. A case study from the Almenningar landslide in central North Iceland. International Symposium on Mitigative Measures against Snow Avalanches and Other Rapid Gravity Mass Flows Siglufjörður, Iceland, April 3–5, 2019.

Costanza Morino, Susan J. Conway, Matthew R. Balme, Colm Jordan, John Hillier, Þorsteinn Sæmundsson & Tom Argles 2019: Geomorphic signatures of different debris-flow releases processes in Ísafjörður, north-western Iceland. International Symposium on Mitigative Measures against Snow Avalanches and Other Rapid Gravity Mass Flows Siglufjörður, Iceland, April 3–5, 2019.

2018

Þorsteinn Sæmundsson, Costanza Morino, Susan J. Conway, Armelle Decaulne, Ólafur Ingólfsson, Gro Birkefeldt Møller Pedersen, Daniel Ben-Yehoshua & Victor Madrigal 2018. A new source of hazard risk! – GLOF caused by mass movements into the rapidly forming proglacial lakes in Iceland – EUCOP6 Chamonix, Mont-Blanc. 23 June – 1 July.

Helgason J.K., Morino C., Conway S.J., Sæmundsson Þ., Balme M.R. 2018: The dynamics of permafrost-induced landslides in Iceland. EUCOP6 Chamonix, Mont-Blanc. 23 June – 1 July. Book of abstarcts, 509-510.

Costanza Morino, Susan J. Conway, Þorsteinn Sæmundsson, Jón Kristinn Helgason, John Hillier, Frances E.G. Butcher, Matthew R. Balme, Colm Jordan & Tom Argles 2018: Permafrost thaw and landslide processes revealed by molards. EUCOP6 Chamonix, Mont-Blanc. 23 June – 1 July. Book of abstarcts, 525-526.

Friedl, B., Hölbling, D., Dittrich, J., Tiede, D., Saemundsson, T., Guðmundsson, S., Pedersen, G.B.M., 2018. Delineation of rock avalanche deposits on glaciers from different remote sensing data. Geophysical Research Abstracts, Vol. 20, EGU General Assembly 2018- 13689, Vienna, Austria.

2017

Costanza Morino, Susan J. Conway, Þorsteinn Sæmundsson, Matthew R. Balme, Jón Kristinn Helgason, Colm Jordan, John Hillier and Tom Argles 2017: How thawing ground ice can affect the mobility of landslides: the case study of Móafellshyrna Mountain in northern Iceland. European Geosciences Union, General Assembly 2017, Vienna, Austria, 23 – 28. April 2017.

José M. Fernández-Fernández, Nuria Andrés, Skafti Brynjólfsson, Þorsteinn Sæmundsson and David Palacios 2017: Climatic implications of glacial evolution in the Tröllaskagi peninsula (northern Iceland) since the Little Ice Age maximum. The cases of the Gljúfurárjökull and Tungnahryggsjökull glaciers. European Geosciences Union, General Assembly 2017, Vienna, Austria, 23 – 28. April 2017.

Veilleux S., Bhiry N., DecaulneA., Sæmundsson Þ., 2017. Slope processes and associated risks to local residents and tourists in the Tasiapik Valley in Umiujaq, Nunavik. Arctic Change 2017, Quebec City, Canada, 11-15 December 2017.

2016

Guðbjörn Margeirsson, Þorsteinn Sæmundsson & HreggviðurNorðdahl 2016: Slope stability, triggering factors and threshold conditions. Study of debris flow activity in the Reyðarfjörður fjord, eastern Iceland. European Geosciences Union, General Assembly 2016, Vienna, Austria, 17 – 22. April 2016.

2015

Costanza Morino, Susan J. Conway, Matthew R. Balme, Colm Jordan, John Hiller, Þorsteinn Sæmundsson & Tom Argles 2015: The comparison between two airborne LiDAR datasets to analyse debris flow initiation in north-western Iceland European Geosciences Union, General Assembly 2015, Vienna, Austria, 12 – 17. April 2015.

Morino, C., Sæmundsson, Þ.,  Helgason, J.K., Conway, S.J, Balme, M.R., Jordan, C., Hillier, J., Argles, T., 2015. The role of ground-ice thaw in triggering rapid mass wasting in Northern Iceland: The potential application of geophysical methods, TEMPS (The Evolution of Mountain Permafrost in Switzerland) Symposium, 4-5 February 2015, Sion, Switzerland.

Nuria Anders, David Palacios, Skafti Brynjólfsson& Þorsteinn Sæmundsson 2015: Time needed for first lichen colonization of terminal moraines in the Tröllaskagi peninsula (North Iceland) European Geosciences Union, General Assembly 2015, Vienna, Austria, 12 – 17. April 2015.

2014

Freysteinn Sigmundsson, Vincent Drouin, Michelle Parks, Stephanie Dumont, Elías Rafn Heimisson, Ásta Rut Hjartardóttir, Páll Einarsson, Ármann Höskuldsson, Bryndís Brandsdóttir, Þorsteinn Sæmundsson, Tómas Jóhannesson, Jón Kristinn Helgason, Erik C Sturkell, Rikke Pedersen, Andrew J Hooper, Karsten Spaans, Christian Minet og Magnús Tumi Guðmundsson 2015: Deflation and Deformation of the Askja Caldera Complex, Iceland, Since 1983: Strain and Stress Development on Caldera Boundaries Prior to Tsunami Generating Rockslide in 2014 at Lake Öskjuvatn. AGU

2012

Þorsteinn Sæmundsson, Halldór G. Pétursson & Armelle Decaulne 2012: Recent landslide movements in the Almenningar area in Central North Iceland. 30^th Nordic Geological Winter Meeting, Programme and abstarcts. Reykjavík, Iceland 9-12 January, pp 103.

2011

Decaulne A., Sæmundsson Þ. & Eggertsson, Ó., 2011 - Geomorphological and dendrochronological data comparison to assess the frequency and magnitude of snow-avalanches fluxes in a subpolar maritime environment. European Geoscience Union General Assembly, Vienna, Austria, 3-8 April 2011.

2010

Decaulne A., Eggertsson, Ó, Sæmundsson, Þ., LAUTE K., Beylich A.A., Pop O., Defive E & Larrue S., 2010 - The EuroDendro project - Snow-avalanche frequency and magnitude in European Middle Mountain unravelled by dendrogeomorphological analyses. WorldDendro 2010- 8th Conference on Dendrochronology, Rovaniemi, Finland, 13-18 June 2010.

Decaulne A., Eggertsson, Ó, Sæmundsson, Þ., Laute K., Beylich A.A., Pop O., Drfivr E & Larrue S., 2010 - The EuroDendro project - Snow-avalanche frequency and magnitude in European Middle Mountain unravelled by dendrogeomorphological analyses. European Geoscience Union General Assembly, Vienna, Austria, 2-7 May 2010.

Decaulne A., Eggertsson Ó., Sæmundsson Þ. & Jónsson H.P., 2010 - Signals of recent snow-avalanche activity in birch tree-rings from Northern Iceland colluvial cones. European Geoscience Union General Assembly, Vienna, Austria, 2-7 May 2010.

Sæmundsson Þ., Pétursson H.G., Jónsson H.P. & Decaulne A., 2010 - The Tjarnardalir landslide, in central north Iceland - recent movements, causes and triggering factors. European Geoscience Union General Assembly, Vienna, Austria, 2-7 May 2010.

2009

Decaulne A. & Sæmundsson Þ., 2009 - Extreme snow avalanche runout disclosed by large boulder distribution in North Iceland. 7th International Conference on Geomorphology, Melbourne, Australia, 6−11 July 2009.

Decaulne A., Sæmundsson Þ. & Eggertsson Ó., 2009 - Extent and frequency of recent snow−avalanche activity determined by dendromorphology and dendrochronology in Northern Iceland. 7th International Conference on Geomorphology, Melbourne, Australia, 6−11 July 2009.

2007

Jónsson H.P., Decaulne A. & Sæmundsson Þ., 2007 - Tephrochronology as a relevant dating tool in Icelandic geomorphology. Second SEDIBUD Science Meeting, Abisko, Sweden, 15-19 September 2007.

Decaulne, A., Sæmundsson, Þ., Jónsson, H.P., Sandberg, O. 2007: Deposition changes on a subarctic colluvial cone - a case study in the Tindastóll area, Skagafjörður fjord, North Iceland. 37th International Arctic Workshop, Freysnes, Iceland, 2-5 May 2007.

Decaulne, A., Sæmundsson, Þ. 2007: Natural hazards, vulnerability and resilience in a subarctic environment - the case study of geomorphic processes on slopes in the Ice­landic fjords. 37th International Arctic Workshop, Freysnes, Iceland, 2-5 May 2007.

2006

Decaulne, A., Sæmundsson, Þ. 2006: Reconstructing spatio-temporal patterns of snow-avalanche activity and related debris transfer using dendrogeomorphological analysis - preliminary results from Northern Iceland. Fouth SEDIFLUX Science Meeting, Trondheim, Norway, 29 October - 01 November 2006.

Decaulne, A., Sæmundsson, Þ., Jónsson, H.P., Sandberg, O. & Grunberg, E. 2006: Evolution d'un cône de débris en milieu périglaciaire océanique au cours de l'Holocène, Montagne Tindastóll, région de Skagafjörður, Islande du nord. Laboratoire de Géographie Physique UMR 6042 - CNRS, Limoges, France, 20-21 January 2006.

2005

Decaulne, A., Sæmundsson, Þ., Jónsson, H.P. & Sandberg, O. 2005: Surficial patterns of multiprocess deposition on colluvial fan - preliminary results from the Tinda­stóll area, North Iceland. Third SEDIFLUX Science Meeting, Sediment budgets and rates of sediment transfer across cold environments in Europe, Durham, UK, 15-19 December 2005.

Decaulne, A. & Sæmundsson, Þ. 2005: Slush flows and their geomorphological im­pact in north-western Iceland - A case study from the Bíldudalur valley. Second SEDI­FLUX Science Meeting, Shifting Lands, new insights into periglacial geormopho­logy, Clermont-Ferrand, France, 20-22 January 2005.

2004

Decaulne, A. & Sæmundsson, Þ. 2004: The June 10-12 1999 snowmelt triggered debris flows in the Gleiðarhjalli area, North-western Iceland. Poster présenté au First SEDIFLUX Science Meeting, Sauðárkrókur, Islande, 18-22 juin 2004.

2000

Pétursson, H.G. & Sæmundsson, Þ. 2000: The connection between rapid mass-movements and extreme precipi­tation, examples from Eastern Iceland. Iceland 2000, Modern processes and Past Environments. International Conference, Keel University, April 27.-29. 2000. Abstract volume, pp 84.

Sæmundsson, Þ. 2000: Debris Transport with snow-avalanches. Dos it occur? Environ­mental changes in Fennoscandia during the Late Quaternary, Lund, Sweden, 28-30. May 2000. Lundqa Report 37, pp. 138.

Sæmundsson, Þ. & Pétursson, H.G. 2000: The Sölvadalur debris-slide. LACDE 2000. International conference of LACDE (Local Authorities Con-fronting Disasters & Emergencies) 27.-30. August 2000, Reykjavík, Iceland. Abstract book, pp 26.

Sæmundsson, Þ. 2000: Debris transport with snow-avalanches. LACDE 2000 Inter­national conference of LACDE (Local Authorities Confronting Disasters & Emergencies) 27.-30. August 2000, Reykjavík, Iceland. Abstract book, pp 26-27.

Pétursson, H.G. & Sæmundsson, Þ. 2000: The connection between rapid mass-movement and extreme precipitation. LACDE 2000. International con­ference of LACDE (Local Authorities Confronting Disasters & Emergencies) 27.-30. August 2000, Reykjavík, Iceland. Abstract book, pp 25-26.

Sæmundsson, Þ. 2000: Debris Transport with snow-avalanches. Dos it occur? Environ­mental changes in Fennoscandia during the Late Quaternary, Lund, Sweden, 28-30 May 2000.

 

 

 

Innlendar ráðstefnur – fyrirlestrar og veggspjöld

National conferences – oral presentations and posters

2021

Wells, G.H., Sæmundsson, Þ., Dugmore, A.J., Luzzadder-Beach, S., Beach, T. 2021: Holocene jökulhlaups along the Hvítá River, Iceland: geomorphology, hydrology, and implications for Icelandic Ice Sheet reconstruction. Haustráðstefna Jarðfræðafélags Íslands, 19. Nóvember 2021.

2020

Þorsteinn Sæmundsson, Páll Einarsson, Halldór Geirsson, Joaquin Belart, Ásta Rut Hjartardóttir, Eyjólfur Magnússon, Finnur Pálsson, Gro Pedersen, Vincent Drouin and Daníel Ben-Yohoshua 2020: Deep seated gravitational slope deformation north of the Tungnakvíslarjökull outlet glacier, in western part of the Mýrdalsjökull glacier. Haustráðstefna Jarðfræðafélags Íslands, 18. Nóvember 2020.

Daniel Ben-Yehoshua, Þorsteinn Sæmundsson, Jón Kristinn Helgason and Joaquin M.C. Belart 2020: The 2013 debris slide onto the Svínafellsjökull outlet glacier. Haustráðstefna Jarðfræðafélags Íslands, 18. Nóvember 2020.

2019

Þorsteinn Sæmundsson 2019: Slope stability above the fast retreating outlet glaciers in Iceland. Haustráðstefna Jarðfræðafélags Íslands, 15. Nóvember 2019.

Þorsteinn Sæmundsson, Jón Kristinn Helgason, Daniel Ben-Yehoshua, Bergur H. Bergsson, Benedikt Ófeigsson, Eyjólfur Magnússon, Ásta Rut Hjartardóttir, Vincent Drouin, Joaquin Munoz Cobo Belart, Harpa Grímsdóttir, Gro Birkefeldt Møller Pedersen, Finnur Pálsson, Snævarr Guðmundsson & Halldór Geirsson 2019: Er hætta á að stórt berghlaup geti fallið úr Svínafellsheiði fyrir ofan Svínafellsjökul í Öræfum? Vorráðstefna Jarðfræðafélags Íslands. 8 mars 2019.

Þorsteinn Sæmundsson 2019: Áhrif loftslagsbreytinga á land; skriðuföll og önnur náttúruvá. Ráðstefna um loftslagsmál. Verkfræði- og náttúruvísindasvið Háskóla Íslands, Háskóla­torg, 1. mars 2019.

2018

Þorsteinn Sæmundsson & Halldór G. Pétursson 2018: Causes and triggering factors for large scale displacements in the Almenningar landslide area, in central North Iceland. Vorráðstefna Jarðfræðafélags Íslands. 9 mars 2018.

Þorsteinn Sæmundsson & Jón Kristinn Helgason 2018: Risk of major rock slope failure at the Svínafellsheiði mountain, SE Iceland: mapping and monitoring. Landslides onto glaciers. Research, monitoring and hazard assessment. Workshop in Reykjavík 13th November.

Jón Kristinn Helgason, Halldór G. Pétursson and Þorsteinn Sæmundsson 2018: Recent large landslides in Iceland. Landslides onto glaciers. Research, monitoring and hazard assessment. Workshop in Reykjavík 13th November.

Costanza Morino. Susan J. Conway, Þorsteinn Sæmundsson, Jón Kristinn Helgason, Matthew R. Balme, Colm Jordan, John Hillier, Frances Butcher, Tom Argles 2018: Geomorphic signatures of rapid mass movements in Iceland. Landslides onto glaciers. Research, monitoring and hazard assessment. Workshop in Reykjavík 13th November.

Þorsteinn Sæmundsson 2018: Proglacial lakes and mass movements, GLOF - a new source of risk in Iceland! HEKLA, ÖRÆFAJÖKULL & REMOTE SENSING, Conference, Askja, University of Iceland. 5. october.

Þorsteinn Sæmundsson 2018: How stable are the slopes above our fast retreating outlet glaciers in Iceland? Ársfundur félags landfræðinga. Veröld, 5. október 2918

2017

Daniel Ben-Yehoshua, Þorsteinn Sæmundsson, Victor Pajuelo Madrigal & Tryggvi Stefansson 2017: Using UAVs to monitor slope instability. Examples from Svínafellsheiði and Litlhöfði. LISA and GI Norden Conference 2017, Reykjavík, 11-12. October 2017

Þorsteinn Sæmundsson, Costanza Morino, Jón Kristinn Helgason, Susan J. Conway & HALLDÓR G Pétursson 2017. The Móafellshyrna debris slide in northern Iceland: Was it triggered by intense precipitation, earthquake activity or thawing of mountain permafrost? Vorráðstefna Jarðfræðafélags Íslands. 10 mars 2017.

Daniel Ben-Yehoshua, Þorsteinn Sæmundsson & Victor Pajuelo Madrigal2017: Monitoring of a potentially hazardous slope on Svínafellsheiði, SE Iceland. Vorráðstefna Jarðfræðafélags Íslands. 10 mars 2017.

Guðbjörn Margeirsson, Þorsteinn Sæmundsson & Hreggviður Norðdahl 2017: Stöðugleiki fjallshlíða við innanverðan Reyðarfjörð. Rannsókn á þröskuldsgildi og öðrum áhrifaþáttum. Vorráðstefna Jarðfræðafélags Íslands. 10 mars 2017.

2016

Þorsteinn Sæmundsson, Guðbjörn Margeirsson & Daniel Ben-Yehoshua 2016: Glacial retreat and formation of proglacial lakes. Environmental mapping and monitoring of Iceland by remote sensing (EMMIRS) 2nd-4th of November 2016. (Poster).

Þorsteinn Sæmundsson, Guðbjörn Margeirsson & Daniel Ben-Yehoshua 2016: Frequency, triggering factors and possible consequences of mass movemens on outlet glaciers in Iceland. Environmental mapping and monitoring of Iceland by remote sensing (EMMIRS) 2nd-4th of November 2016. (Poster).

2015

Freysteinn Sigmundsson, Vincent Drouin, Michelle Parks, Stephanie Dumont, Elías Rafn Heimisson, Ásta Rut Hjartardóttir, Páll Einarsson, Ármann Höskuldsson, Bryndís Brandsdóttir, Þorsteinn Sæmundsson, Tómas Jóhannesson, Jón Kristinn Helgason, Erik C Sturkell, Rikke Pedersen, Andrew J Hooper, Karsten Spaans, Christian Minet og Magnús Tumi Guðmundsson 2015: Deflation and Deformation of the Askja Caldera Complex, Iceland, Since 1983: Strain and Stress Development on Caldera Boundaries Prior to Tsunami Generating Rockslide in 2014 at Lake Öskjuvatn. Vorráðstefna JFÍ, 13. Mars 2015.

Þorsteinn Sæmundsson 2015: Ofanflóð á jökla. Orsakavaldar og afleiðingar. Haustráðstefna Jarðfræðafélags Íslands. 20. Nóvember 2015.

2014

Þorsteinn Sæmundsson, Ingvar Atli Sigurðsson, Doris Hermle, Rudolf Sailers, Halldór G. Pétursson, G.B.M. Pederson, Guðfinna Aðalgerisdóttir, Snævarr Guðmundsson, Finnur Pálsson & Esther Hlíðar Jensen 2014: Breytingar á Morsárjökli eftir berghlaupið 2007. Haustráðstefna Jarðfræðafélags Íslands, 22 nóvember 2014.

2013

Þorsteinn Sæmundsson Jón Kristinn Helgason & Halldór G. Pétursson 2013: Skriðan í Mófellshyrnu í Fljótum 20. september 2012.Vorráðstefna Jarðfræðafélags Íslands, 22. mars, bls. 36.

2012

Þorsteinn Sæmundsson & Halldór G. Pétursson 2012: Grjóthrun í Drangey að fornu og nýju.Vorráðstefna Jarðfræðafélags Íslands, 30. mars, bls. 68.

Þorsteinn Sæmundsson INGVAR A. Sigurðsson, Halldór G. Pétursson & Armelle Decaulne 2012: Breytingar á Morsárjökli í kjölfar berghrunsflóðsins sem féll á jökulinn 20. mars 2007.Haustferð / haustráðstefna Jarðfræðafélags Íslands, 5-7 október, bls. 29.

2011

Þorsteinn Sæmundsson 2011: Jökulhörfun og sjávarstöðubreytingar í lok síðustu ísaldar í Vopnafirði. Náttúrustofuþing í Neskaupstað, 25. október 2011. bls. 9.

Decaulne, A., Mercier D., Cossart E., Feuillet T., Sæmundsson Þ. & Jónsson H.P., 2011 - Caractéristiques géomorphologiques et datation relative d'une avalanche rocheuse : le cas de Höfðahólar, Skagafjörður, Islande septentrionale. Association Française du Périglaciaire, Paris, France, 30 janvier 2011.

2010

Þorsteinn Sæmundsson 2010: Heimsóknir hvítabjarna á Norðurland vestra árið 2008. Málþing um Húnvetnska náttúru, 10 apríl 2010. bls.97

Halldór G. Pétursson, Helgi PállJónsson, Skafti Brynjólfsson & Þorsteinn Sæmundsson 2010. Skriðuföll í Húnavatnssýslum. Málþing um Húnvetnska náttúru, 10 apríl 2010. bls 33.

Þorsteinn Sæmundsson & Halldór G. Pétursson 2010: Aurflóðin við Lindargötu á Sauðárkróki 15. apríl 2007. Vorráðstefna jarðfræðafélags Íslands 26. mars 2010. bls 54-55

2009

Halldór G. Pétursson & Þorsteinn Sæmundsson 2009: Skriðuföll úr móbergsmyndunum. Haustráðstefna Jarðfræðafélags Íslands. Ágrip erinda. Jarðfræðafélag Íslands, bls. 19-23.

Þorsteinn Sæmundsson, Ólafur Aenalds, Helgi PállJónsson, Armelle Decaulne og Berglind Orradóttir 2008: Orravatnsrústir á Hofsafrétt. Vorráðstefna Jarðfræðafélags Íslands.

Þorsteinn Sæmundsson, Ingvar Atli Sigurðsson, Halldór G. Pétursson, Helgi Páll JónssonOG Armelle Decaulne 2009: Hvernig hefur Morsárjökull það eftir berghlaup­ið 2007? Náttúrustofuþing í Sandgerði, 8. október 2009. bls. 6.

Helgi PállJónsson, Halldór G. Pétursson & Þorsteinn Sæmundsson 2009: Berghlaup á Íslandi – Norðurland. Vorráðstefna 2009. Ágrip erinda og veggspjalda. Jarðfræðafélag Íslands, bls. 30.

2008

Halldór G. Pétursson & Þorsteinn Sæmundsson 2008: Skriðuföll í Skagafirði Í: Þorsteinn Sæmundsson, Armelle Decaulne & Helgi P. Jónsson (Ritstj.): Skagfirsk náttúra 2008, Málþing um náttúru Skagafjarðar, Sauðárkrókur, 12. apríl 2008. NNV-2008-002, 25-30 pp.

Armelle Decaulne, Þorsteinn Sæmundsson & Helgi P. Jónsson, 2008 - “Rolling stones” in Reykjaströnd, Skagafjörður: 4500 years of slope activity. Í: Þorsteinn Sæmundsson, Armelle Decaulne & Helgi P. Jónsson (Ritstj.): Skagfirsk náttúra 2008, Málþing um náttúru Skagafjarðar, Sauðárkrókur, 12. apríl 2008. NNV-2008-002, 67-71 pp.

Sæmundsson Þ., Arnalds, Ó, Decaulne, A. & Jónsson, H.P., 2008: Orravatns­rústir, náttúruperla á hálendi Skagafjarðar. Í: Þorsteinn Sæmunds­son, Armelle Decaulne & Helgi P. Jónsson (Ritstj.): Skagfirsk náttúra 2008, Málþing um náttúru Skagafjarðar, Sauðárkrókur, 12. apríl 2008. NNV-2008-002, 72-76 pp.

Ingvar Atli Sigurðsson, Jón Ágúst Jónsson, Róbert Arnar Stefánsson, Sveinn Kári Valdimarsson, Þorkell Lindberg Þórarinsson, Þorleifur Eiríksson & Þorsteinn Sæmundsson 2008: Starfsemi náttúrustofa. Náttúrustofuþing á Snæfellsnesi 26. september 2008.

Þorsteinn Sæmundsson 2007: Berghlaupið við Morsárjökul, 20. mars 2007. Fræðslufyrirlestur í Skaftafelli, 8.maí 2008.

Ingvar Atli Sigurðsson, Jón Ágúst Jónsson, Róbert Arnar Stefánsson, Sveinn Kári Valdimarsson, Þorkell Lindberg Þórarinsson, Þorleifur Eiríksson & Þorsteinn Sæmundsson 2008: Starfsemi náttúrustofa. Ársfundur Náttúrufræðistofnunar Íslands, Akureyri, 5. maí 2008.

Þorsteinn Sæmundsson, Esther Hlíðar Jensen, Halldór G. Pétursson, Armelle Decaulne, Matthew Roberts, Ingvar Atli Sigurðsson & Helgi Páll Jónsson 2008: Berghlaupið við Morsárjökul, 20. mars 2007. Vorráðstefna Jarð­fræðafélags Íslands, 30. maí 2008.

2007

Þorsteinn Sæmundsson 2007: Þurfum við að hafa áhyggjur af Orravatnsrústum? Náttúrustofu­þing, Bolungarvík 21. nóvember 2007.

2006

Þorsteinn Sæmundsson & Halldór G. Pétursson 2006: Kortlagning á sigi á Siglufjarðarvegi um Almenninga. Fyrirlestur haldinn á Náttúrustofuþingi á Bakkaflöt í Skagafirði, 29. september 2006.

Þorsteinn Sæmundsson, Halldór G. Pétursson, Höskuldur Búi Jónsson, Helgi Páll Jónsson, Christof Kneisel, Achim Beylich 2006: Sighreyfingar á Siglufjarðarvegi um Almenninga í Fljótum. Vorráðstefna 2006. Ágrip erinda og veggspjalda. Jarðfræðafélag Íslands, bls. 46-47.

2005

Þorsteinn Sæmundsson & Halldór G. Pétursson 2005: Kortlagning á sigi á Siglufjarðar­vegi um Almenninga. Fyrirlestur haldinn á 4. ráðstefna um rannsóknir Vegagerðarinnar. Reykjavík 11. nóvember 2005.

Þorsteinn Sæmundsson & Halldór G. Pétursson 2005: Kortlagning á sigi á Siglufjarðar­vegi um Almenninga. Fyrirlestur haldinn á vorráðstefnu Jarðfræðafélags Íslands 2006.

Þorsteinn Sæmundsson 2005: Jarðfræði Vestfjarða; aldur, gerð og mótun. Ráðstefna um náttúru og ferðamennsku, haldinn í Hömrum, Ísafirði 15. og 16. apríl 2005.

Sveinn Kári Valdimarsson & Þorsteinn Sæmundsson 2005: Hlutverk rannsóknastofn­anna í tengslum við ferðaþjónustu; þekking, virðing, verðmæti. Ráð­stefna um náttúru og ferða­mennsku, haldinn í Hömrum, Ísafirði 15. og 16. apríl 2005.

Guðrún Áslaug Jónsdóttir, Ingvar Atli Sigurðsson, Róbert Arnar Stefánsson, Sveinn Kári Valdimarsson, Þorkell Lindberg Þórarinsson, Þorleifur Eiríksson & Þorsteinn Sæmundsson 2005: Starfsemi Náttúrustofa. Fyrirlestur haldinn á Náttúru­stofuþingi á Húsavík, 4. nóvember 2005.

1999

Hreggviður Norðdahl & Þorsteinn Sæmundsson 1999: Jarðsaga Rauða­mels og nágrennis. Vorráðstefna 1999. Ágrip erinda og veggspjalda. Jarðfræðafélag Íslands, s. 34-35.

Þorsteinn Sæmundsson & Halldór G. Pétursson 1999: Aurskriður á Seyðis­firði, orsök og hættumat. Vorráðstefna 1999. Ágrip erinda og veggspjalda. Jarðfræða­félag Íslands, s. 80-81.

1996

Þorsteinn Sæmundsson & Halldór G. Pétursson 1996: Skriðuföllin við Þormóðsstaði í Sölvadal, júní 1995. Vorráðstefna 1996, Ágrip erinda og veggspjalda. Jarðfræðafélag Íslands, s.57-58.

 

 

Aðrir fyrirlestrar

Other presentations

2019

Þorsteinn Sæmundsson 2019: Hörfandi jöklar og stöðugleiki fjallshlíða. Fyrirlestur haldinn á 130 afmæli HÍN. 21. nóvember 2019.

Þorsteinn Sæmundsson 2019: Hverjar eru ástæður aflögunar hlíðarinnar norðan Tungna-kvíslarjökuls, í vestanverðum Mýrdalsjökli. Fræðslufundur Ferðafélagsins Útivist. 22. október 2019.

Þorsteinn Sæmundsson 2019: Slope deformation above the Tungnakvíslarjökull outlet glacier in western part of the Mýrdalsjökull glacier – causes and consequences. Friday seminar series. University of Iceland. 25^th October 2019.

Þorsteinn Sæmundsson 2019: Ofanflóð á Íslandi í ljósi loftlagsbreytinga. Fyrirlestur haldinn á ársfundi Jarðtæknifélags Íslands. 18 apríl 2019.

2018

Þorsteinn Sæmundsson 2018: How stable are the slopes above outlet glaciers in Iceland, in light of warmer climate, accelerated glacial retreat and formation of proglacial lakes? Friday seminar series. University of Iceland. Askja 2. November 2018

Þorsteinn Sæmundsson, Eyjólfur Magnússon, Daniel Ben-Yehoshua, Finnur Pálsson, Ásta Rut Hjartardóttir, Joaquin Maria Munoz Cobo Belart, Halldór Geirsson, Vincent Druain & Gro Birkefeldt Moller Pedersen 2018: Fractures on Svínafellsheiði. Presentation at the University of Iceland 2. May 2018.

Þorsteinn Sæmundsson, Costanza Morino, Jón Kristinn Helgason, Susan J. Conway and Halldór G. Pétursson 2018: Landslide in Móafellshyrna – landslide danger due to thawing mountain permafrost. Flash floods and landslides in arctic areas and the role of permafrost. Workshop at the Icelandic Meteorological Office. March 5-6 2018

Þorsteinn Sæmundsson & Halldór G. Pétursson 2018: Causes and triggering factors for large scale displacements in the Almenningar landslide area, in central North Iceland. Flash floods and landslides in arctic areas and the role of permafrost. Workshop at the Icelandic Meteorological Office. March 5-6 2018

2017

Þorsteinn Sæmundsson 2017: Frequency, triggering factors and possible consequences of mass movements in Iceland – should we be worried ? LUVS fyrirlestrar / ILES presentations. 6 mars, 2017

Þorsteinn Sæmundsson, Costanza Morino, Jón Kristinn Helgason, Susan J. Conway and Halldór G. Pétursson 2018: A new source of hazard in Iceland – thawing of mountain permafrost – A case study, the Móafellshyrna landslide in 2012. Friday seminar series. University of Iceland. Askja 3. November 2017

2016

Þorsteinn Sæmundsson 2016: Ofanflóð á jökla á Íslandi. Orsakir og afleiðingar. Vísindadagur VON, Háskóla Íslands. 29. Október.

Þorsteinn Sæmundsson 2016: Natural hazards in Iceland. Comenius University in Bratislava, Faculty of Natural Sciences, 29. April 2016

Þorsteinn Sæmundsson 2016: Natural hazards in Iceland. University of Zilina, 25. April 2016.

Þorsteinn Sæmundsson 2016: Geology of Iceland, naturla hazards in Iceland. PARAGEO Iceland, 25. June 2016. University of Iceland.

2015

Najat Bhiry & Þorsteinn Sæmundsson 2015: Evolution of Geo-Ecosystems min the Context of Climate Chamnges in Northern Canada and in Iceland. Decline of mountain permafrost and the occurrence of recent large debris slides in Iceland. The day of the Northern Research 24th February 2015. The Research Fund of Quebec- Nature and Technology  FRQ-NT, University of Laval, Quebec City.

Þorsteinn Sæmundsson, Armelle Decaulne, Halldór G. Pétursson & Jón Kristinn Helgason 2015: Natural hazards in Iceland – Rapid mass movemnnts. Fyrirlestur haldinn við Laval háskólann í Quebec City, Canada, 23. Febrúar 2015.

2012

Þorsteinn Sæmundsson 2012: Jakob H. Líndal (1880-1951) – Vatnsdalshólar – Bakkakotsbrúnir (Bakkabrúnir). Fyrirlestur haldinn á Málþingi um Jakob H. Líndal í Víðihlíð, Víðidal 14,. apríl 2012.

2011

Þorsteinn Sæmundsson 2011: Natural hazards in Iceland: Rapid mass movements. Fyrirlestur haldinn í Landmótunardeild Háskólans í Madríd 12 mars 2011.

Þorsteinn Sæmundsson 2011: Fuglaskoðun í Skagafirði – Sóknarfæri í ferðaþjónustu eða bara fúl mýrarkeis? Málstofa í Verinu – Vísindagarðar í Skagafirði. Apríl 2011.

Þorsteinn Sæmundsson 2011: Fuglar í Skagafirði – hver eru sóknarfærin? Erindi haldið á Ársfundi ferðaþjónustuaðila í Skagafirði. Mars 2011.

2010

Þorsteinn Sæmundsson 2010: Komur hvítabjarna til Íslands á undanförnum árum. Hvernig brugðumst við, við þeim? Hvað höfum við lært?“ Erindi á vegum Hins Íslenska Náttúrufræðifélags. í Öskju, Náttúrufræðihúsi Háskóla Íslands, 25. október 2010.

Þorsteinn Sæmundsson 2010: Heimsóknir hvítabjarna til Íslands á undanförnum árum. Málþing: Hafís og strandmenning, Blönduós 10. febrúar.

Þorsteinn Sæmundsson 2010. Fuglar í Skagafirði. Skagafjörður apríl 2004.

Þorsteinn Sæmundsson 2010. Náttúrustofa Norðurlands vestra. Stofnfundur Þekkingarseturs á Hvammstanga 27 apríl 2010.

Þorsteinn Sæmundsson 2010: Heimsóknir hvítabjarna til Íslands 2008 og 2010. Fyrirlestur haldinn á Safnadaginn á Sauðárkróki.

Þorsteinn Sæmundsson 2010: Lúpína á Íslandi. helsta von okkar til landgræðslu eða skaðvaldur í íslenskri náttúru. Fyrirlestur haldinn fyrir Rótarý klúbb Skagafjarðar 30. október 2010.

2009

Þorsteinn Sæmundsson2009: Jarðfræðileg ummerki snjóflóða. Þekkingarþing, Skagaströnd 19. maí.

Þorsteinn Sæmundsson 2009: Ofanflóð á Íslandi. Hvernig tengjast þau vegagerð? Kynningafundur á Almennu verkfræðistofunni, febrúar 2009.

2008

Þorsteinn Sæmundsson 2008: Þurfum við að hafa áhyggjur af Siglufjarðarvegi um Almenninga? Kynningafundur á vegum Vegagerðar ríkisins.Langamýri, Skagafirði.

Ingvar Atli Sigurðsson, Jón Ágúst Jónsson, Róbert Arnar Stefánsson, Sveinn Kári Valdimarsson, Þorkell Lindberg Þórarinsson, Þorleifur Eiríksson & Þorsteinn Sæmundsson 2008: Starfsemi náttúrustofa, tengsl þeirra við UST og umhverfis­nefndir sveitarfélaga. Ársfundur Umhverfisstofnunar og náttúruverndarnefnda sveitarfélaga. „Friðlýst svæði- tákn eða tækifæri“. Egilsstaðir, 8. maí 2008.

Þorsteinn Sæmundsson 2008: Berghlaupið við Morsárjökul, 17. apríl 2007. Hrafnaþing. 30. janúar 2008.

Þorsteinn Sæmundsson 2008: Ísbjarnarblús í Skagafirði. Fundur Skagafjarðardeildar 4x4, 12. nóvember 2008.

2007

Þorsteinn Sæmundsson 2007: Jarðfræðileg ummerki snjóflóða. Fyrirlestur í fyrirlestraröð SNS Samtök Náttúrustofa, haldinn á Sauðárkróki í fjarfundarbúnaði Farskóla Norðurlands vestra 28. febrúar.

Þorsteinn Sæmundsson 2007: Um- jökla, frá – jöklum, til- jökla, á- jökla. Fundur Skagafjarðardeildar 4x4, nóvember 2007.

2006

Guðrún Áslaug Jónsdóttir, Ingvar Atli Sigurðsson, Róbert Arnar Stefánsson, Sveinn Kári Valdimarsson, Þorkell Lindberg Þórarinsson, Þorleifur Eiríksson & Þorsteinn Sæmundsson 2006: Starfsemi Náttúrustofa. Fyrirlestur haldinn á ársfundi Umhverfisstofnunar og umhverfisnefnda sveitarfélaga, 10. nóvember 2006.

Þorsteinn Sæmundsson 2006: Votlendissvæði Skagafjarðar: myndun, mótun og lífríki. Fyrirlestur haldinn á Sauðárkróki á vegum áhugahóps um verndun jökulsánna í Skagafirði 14.11.2005.

Þorsteinn Sæmundsson 2006: Starfsemi Náttúrustofu Norðurlands vestra. Fyrir­lestur haldinn á Sauðárkróki á vegum Framsóknarflokks Skagafjarðar 21.03.2006.

Þorsteinn Sæmundsson 2006: Vetrarauður Norðurlands vestra. Fyrirlestur haldinn á Hvamms­tanga á vegum ferðamálbrautar Hólaskóla – Háskólans á Hólum.

2005

Þorsteinn Sæmundsson 2005: Möguleikar á fuglaskoðun á Norðurlandi vestra. Málþing um nýtingu og vernd Arnarvatnsheiðar, Félagsheimili Ásbyrgi, 9. apríl 2005.

Þorsteinn Sæmundsson & Helgi Páll Jónsson 2005: Jarðfræði gljúfra jökulsár vestari, aldur gerð og mótun. Fyrirlestur haldinn að Bakkflöt, Skagafirði.

Þorsteinn Sæmundsson 2005: Drangey, fuglar og annar fróðleikur. Fyrirlestur haldinn á Drangeyjarkvöldi á Sauðárkróki.

Sæmundsson, Þ. & Decaulne,A. 2005: Morphological impact of ground snow avalanches in Iceland. Fyrirlestur haldinn við Háskólann í Glermond-Ferrand, Frakklandi.

Þorsteinn Sæmundsson 2005: Starfsemi Náttúrustofu Norðurlands vestra. Fyrir­lestur haldinn á vegum Rotary á Sauðárkróki, 12. maí 2005.

Guðrún Áslaug Jónsdóttir, Ingvar Atli Sigurðsson, Róbert Arnar Stefánsson, Sveinn Kári Valdimarsson, Þorkell Lindberg Þórarinsson, Þorleifur Eiríksson & Þorsteinn Sæmundsson 2005: Starfsemi Náttúrustofa. Fyrirlestur haldinn á náttúrustofuþingi á Húsavík 4. nóvember 2005.

2003

Þorsteinn Sæmundsson 2003: Náttúrufarslegar ógnir á Íslandi. Fyrirlestur haldinn á vegum Ósýnilega félagsins á Hólum 6.mars 2003.

Þorsteinn Sæmundsson 2003: Votlendissvæði Skagafjarðar. Sóknarfæri í ferða­mennsku eða bara fúl mýrarkeis. Fyrirlestur á málþingi um nýjungar í ferðaþjónustu í Skagafirði á Hólum í Hjaltadal 7. apríl 2003.

Þorsteinn Sæmundsson 2003: Fuglarnir “okkar” í Skotlandi og hér heima. Fyrir­lestur haldinn á Fugladegi Náttúrustofu Norðurlands vestra maí 2003.

2002

Þorsteinn Sæmundsson 2002: Náttúruvernd á Íslandi. Fyrirlestur haldinn fyrir 10. bekk Árskóla, 14. janúar 2002.

Þorsteinn Sæmundsson 2002: Skoðunarferð og leiðsögn um eyjar Skagafjarðar með gesti á vegum Rotaríklúbbs Skagafjarðar, 6. júní 2002.

Þorsteinn Sæmundsson 2002: Ofanflóð á Íslandi. Fyrirlestur á aðalfundi SUNN á Sauðárkróki, 9. júní 2002.

Þorsteinn Sæmundsson 2002: Náttúruvá á Íslandi. Fyrirlestur haldinn fyrir nem­endur í Fjölbrautarskóla Norðurlands vestra. 26. nóvember 2002.

Sæmundsson, Þ. 2002: Natural hazards in Iceland 2002: Lecture at the University in Uppsala, Department of Earth Sciences, Physical Geography, Sweden. 14. October 2002.

2001

Þorsteinn Sæmundsson 2001: Náttúrustofa Norðurlands vestra á Sauðárkróki. Hlutverk - Verkefni - Framtíðarsýn. Fyrirlestur haldinn á fundi Lionsklúbbs Sauðár­króks 10. janúar 2001.

Þorsteinn Sæmundsson 2001: Hlutverk og starfsemi Náttúrustofu Norðurlands vestra á Sauðárkróki. Fyrirlestur haldinn á ársþingi SSNV í Hrútafirði, 31. ágúst 2001.

Þorsteinn Sæmundsson 2001: Náttúran í heimabyggð. Fyrirlestur á námskeiði náttúrufræði­kennara í Skagafirði, haldið á Hólum á vegum Skólaskrifstofu Skagafjarðar, 19. til 21. júní 2001.

Sæmundsson, Þ. 2001: General outline of the bedrock and the glacial history of Iceland. – Glacial environments, Processes and Sediments. Fyrirlestur haldinn á Hvanneyri vegna námskeiðs námsmanna frá Guelph Háskóla í Kanada. Multidiscuplinary Field Course in Iceland: Dialogues in Envirnomental, Cultural and Ethical Studies. 14. ágúst 2001.

Sæmundsson, Þ. 2001: Natural hazards, mass movements. Fyrirlestur haldinn á Hvann­eyri vegna námskeiðs námsmanna frá Guelph Háskóla í Kanada. Multi­discuplinary Field Course in Iceland: Dialogues in Envirnomental, Cultural and Ethical Studies.,14. ágúst 2001.

Þorsteinn Sæmundsson 2001: Svalbarði: Jarðfræði, dýralíf, gróður og búseta. Fyrir­lestur haldinn í Fyrirlestraröð NNV og MNV á Sauðárkróki.

Þorsteinn Sæmundsson 2001: Náttúruskóli í Skagafirði. Fyrir­lestur haldinn fyrir sveitastjórn Skagafjarðar. Febrúar.

2000

Þorsteinn Sæmundsson 2000: Opnun Náttúrustofu Norðurlands vestra 9. maí 2000. Fyrirlestur haldinn á opnunardegi Náttúrustofu Norðurlands vestra.

Þorsteinn Sæmundsson 2000: Náttúruvá á Íslandi. Fyrirlestur á vegum kennara­sambands Íslands 15. september 2000.

Þorsteinn Sæmundsson 2000: Náttúrustofa Norðurlands vestra. Fyrirlestur á fundi Lionsklúbbs Skagafjarðar að Löngumýri, 8. nóvember 2000.

Þorsteinn Sæmundsson 2000: Náttúruskóli í Skagafirði. Raunhæf hugmynd eða bara góð hugmynd. Fyrirlestur fluttur að Steinsstöðum 20. nóvember.

1998

Þorsteinn Sæmundsson 1998: Starfsemi snjóflóðavarna Veðurstofu Íslands. Kívanís­klúbburinn Þór, Reykjavík.

Sæmundsson, Þ.1998: Year 1995 in Iceland. Avalanches and debris-flow activity University of Lund, Sweden.

1996

Sæmundsson, Þ. 1996: Jökulhörfunarsaga Vopnafjarðar, Norðaustur Íslandi. Fyrirlestur á vegum Jarðfræðifélags Íslands.

1994

Sæmundsson, Þ. 1994: Deglaciation and Holocene glacial history of Iceland. Fyrirlestur á NorFA námskeiði á vegum Háskólans í Kaupmannahöfn, í Vík í Mýrdal.

Sæmundsson, Þ. 1994: Deglaciation and shoreline displacement in Vopnafjörður, north-eastern Iceland. Lunds University, Sweden.