All Stories

  1. Twenty years of European mountain permafrost dynamics—the PACE legacy

    Article • Environmental Research Letters, October 2020, Institute of Physics Publishing

    Ketil Isaksen

  2. Present and future changes in winter climate indices relevant for access disruptions in Troms, northern Norway

    Article • Natural Hazards and Earth System Science, June 2020, Copernicus GmbH

    Ketil Isaksen

  3. Revisiting the extended Svalbard Airport monthly temperature series, and the compiled corresponding daily series 1898–2018

    Article • Polar Research, June 2020, Norwegian Polar Institute

    Ketil Isaksen, Professor Rajmund Krzysztof Przybylak

  4. Measured and Modeled Historical Precipitation Trends for Svalbard

    Article • Journal of Hydrometeorology, June 2020, American Meteorological Society

    Eirik Førland, Ketil Isaksen

  5. Permafrost distribution in steep rock slopes in Norway: measurements, statistical modelling and implications for geomorphological processes

    Article • Earth Surface Dynamics, October 2019, Copernicus GmbH

    Paula Hilger, Ketil Isaksen

  6. Present and future changes in winter climate indices relevant for access disruptions in Troms, northern Norway

    Article • July 2019, Copernicus GmbH

    Ketil Isaksen

  7. Permafrost distribution in steep slopes in Norway: measurements, statistical modelling and geomorphological implication

    Article • Earth Surface Dynamics Discussions, February 2019, Copernicus GmbH

    Paula Hilger, Ketil Isaksen

  8. Permafrost distribution in steep slopes in Norway: measurements, statistical modelling and geomorphological implication

    Article • February 2019, Copernicus GmbH

    Paula Hilger, Ketil Isaksen

  9. Spatiotemporal patterns of rain-on-snow and basal ice in high Arctic Svalbard: detection of a climate-cryosphere regime shift

    Article • Environmental Research Letters, January 2019, Institute of Physics Publishing

    Ketil Isaksen

  10. Recent Acceleration of a Rock Glacier Complex, Ádjet, Norway, Documented by 62 Years of Remote Sensing Observations

    Article • Geophysical Research Letters, August 2018, American Geophysical Union (AGU)

    Ketil Isaksen

  11. Ground thermal and geomechanical conditions in a permafrost-affected high-latitude rock avalanche site (Polvartinden, northern Norway)

    Article • The Cryosphere, April 2018, Copernicus GmbH

    Ketil Isaksen

  12. Testing and development of transfer functions for weighing precipitation gauges in WMO-SPICE

    Article • Hydrology and Earth System Sciences, February 2018, Copernicus GmbH

    Ketil Isaksen

  13. Impacts of extreme weather events on transport infrastructure in Norway

    Article • December 2017, Copernicus GmbH

    Ketil Isaksen

  14. Analysis of single-Alter-shielded and unshielded measurements of mixed and solid precipitation from WMO-SPICE

    Article • Hydrology and Earth System Sciences, July 2017, Copernicus GmbH

    Ketil Isaksen

  15. The quantification and correction of wind-induced precipitation measurement errors

    Article • Hydrology and Earth System Sciences, April 2017, Copernicus GmbH

    Ketil Isaksen

  16. Climate change threatens archaeologically significant ice patches: insights into their age, internal structure, mass balance and climate sensitivity

    Article • The Cryosphere, January 2017, Copernicus GmbH

    Ketil Isaksen

  17. Ground thermal and geomechanical conditions in a permafrost-affected high-latitude rockslide site (Polvartinden, Northern Norway)

    Article • November 2016, Copernicus GmbH

    Ketil Isaksen

  18. Permafrost Map for Norway, Sweden and Finland

    Article • Permafrost and Periglacial Processes, November 2016, Wiley

    Ketil Isaksen, Professor Jan Hjort

  19. Recent warming on Spitsbergen—Influence of atmospheric circulation and sea ice cover

    Article • Journal of Geophysical Research Atmospheres, October 2016, American Geophysical Union (AGU)

    Ketil Isaksen

  20. The Quantification and Correction of Wind-Induced Precipitation Measurement Errors

    Article • September 2016, Copernicus GmbH

    Ketil Isaksen

  21. Climate change threatens archeologically significant ice patches: insights into their age, internal structure, mass balance and climate sensitivity

    Article • May 2016, Copernicus GmbH

    Ketil Isaksen

  22. Supplementary material to "Climate change threatens archeologically significant ice patches: insights into their age, internal structure, mass balance and climate sensitivity"

    Article • May 2016, Copernicus GmbH

    Ketil Isaksen

  23. Climate change and projections for the Barents region: what is expected to change and what will stay the same?

    Article • Environmental Research Letters, May 2016, Institute of Physics Publishing

    Ketil Isaksen

  24. Air temperature variations and gradients along the coast and fjords of western Spitsbergen

    Article • Polar Research, January 2016, Norwegian Polar Institute

    Ketil Isaksen, Professor Rajmund Krzysztof Przybylak

  25. Single Causative Factor for Severe Pneumonia Epizootics in Muskoxen?

    Article • EcoHealth, May 2015, Springer Science + Business Media

    Ketil Isaksen

  26. The Oslo temperature series 1837-2012: homogeneity testing and temperature analysis

    Article • International Journal of Climatology, December 2014, Wiley

    Ketil Isaksen

  27. A statistical approach to represent small-scale variability of permafrost temperatures due to snow cover

    Article • The Cryosphere, November 2014, Copernicus GmbH

    Ketil Isaksen

  28. Warmer and wetter winters: characteristics and implications of an extreme weather event in the High Arctic

    Article • Environmental Research Letters, November 2014, Institute of Physics Publishing

    Ketil Isaksen

  29. Derivation of a new continuous adjustment function for correcting wind-induced loss of solid precipitation: results of a Norwegian field study

    Article • Hydrology and Earth System Sciences Discussions, September 2014, Copernicus GmbH

    Ketil Isaksen

  30. Sea ice metadata for Billefjorden and Grnfjorden, Svalbard

    Article • Czech Polar Reports, June 2014, Masaryk University Press

    Ketil Isaksen

  31. A statistical approach to represent small-scale variability of permafrost temperatures due to snow cover

    Article • The Cryosphere Discussions, January 2014, Copernicus GmbH

    Ketil Isaksen

  32. Long-term temperature trends and variability on Spitsbergen: the extended Svalbard Airport temperature series, 1898–2012

    Article • Polar Research, January 2014, Norwegian Polar Institute

    Ketil Isaksen, Professor Rajmund Krzysztof Przybylak

  33. Climate and environmental change drives Ixodes ricinus geographical expansion at the northern range margin

    Article • Parasites & Vectors, January 2014, Springer Science + Business Media

    Ketil Isaksen

  34. Ground Thermal Regime and Permafrost Distribution under a Changing Climate in Northern Norway

    Article • Permafrost and Periglacial Processes, January 2013, Wiley

    Ketil Isaksen

  35. Changes in meteorological variables that can trigger natural hazards in Norway

    Article • Climate Research, December 2012, Inter-Research Science Center

    Ketil Isaksen

  36. Prevalence of tick borne encephalitis virus in tick nymphs in relation to climatic factors on the southern coast of Norway

    Article • Parasites & Vectors, August 2012, Springer Science + Business Media

    Ketil Isaksen

  37. Measurements of wind-induced loss of solid precipitation: description of a Norwegian field study

    Article • Hydrology Research, July 2012, IWA Publishing

    Ketil Isaksen

  38. Air and Ground Temperature Variations Observed along Elevation and Continentality Gradients in Southern Norway

    Article • Permafrost and Periglacial Processes, October 2011, Wiley

    Ketil Isaksen

  39. Degrading Mountain Permafrost in Southern Norway: Spatial and Temporal Variability of Mean Ground Temperatures, 1999-2009

    Article • Permafrost and Periglacial Processes, October 2011, Wiley

    Ketil Isaksen

  40. HAIR-LOSS EPIZOOTIC IN MOOSE (ALCES ALCES) ASSOCIATED WITH MASSIVE DEER KED (LIPOPTENA CERVI) INFESTATION

    Article • Journal of Wildlife Diseases, October 2011, Wildlife Disease Association

    Ketil Isaksen

  41. Modeling the temperature evolution of Svalbard permafrost during the 20th and 21st century

    Article • The Cryosphere, February 2011, Copernicus GmbH

    Ketil Isaksen

  42. Digital Necrobacillosis in Norwegian Wild Tundra Reindeer (Rangifer tarandus tarandus)

    Article • Journal of Comparative Pathology, July 2010, Elsevier

    Ketil Isaksen

  43. The thermal state of permafrost in the nordic area during the international polar year 2007-2009

    Article • Permafrost and Periglacial Processes, April 2010, Wiley

    Ketil Isaksen, Professor Jan Hjort

  44. Mountain permafrost: development and challenges of a young research field

    Article • Journal of Glaciology, January 2010, Cambridge University Press

    Ketil Isaksen

  45. Permafrost and climate in Europe: Monitoring and modelling thermal, geomorphological and geotechnical responses

    Article • Earth-Science Reviews, February 2009, Elsevier

    Ketil Isaksen

  46. Spatial and temporal variations of Norwegian geohazards in a changing climate, the GeoExtreme Project

    Article • Natural Hazards and Earth System Science, August 2008, Copernicus GmbH

    Ketil Isaksen

  47. Fatal Pneumonia Epizootic in Musk Ox (Ovibos moschatus) in a Period of Extraordinary Weather Conditions

    Article • EcoHealth, March 2008, Springer Science + Business Media

    Ketil Isaksen

  48. Solifluction processes in an area of seasonal ground freezing, Dovrefjell, Norway

    Article • Permafrost and Periglacial Processes, January 2008, Wiley

    Ketil Isaksen

  49. Recent extreme near-surface permafrost temperatures on Svalbard in relation to future climate scenarios

    Article • Geophysical Research Letters, September 2007, American Geophysical Union (AGU)

    Ketil Isaksen

  50. Recent warming of mountain permafrost in Svalbard and Scandinavia

    Article • Journal of Geophysical Research Atmospheres, February 2007, American Geophysical Union (AGU)

    Ketil Isaksen

  51. Field instrumentation for real-time monitoring of periglacial solifluction

    Article • Permafrost and Periglacial Processes, January 2007, Wiley

    Ketil Isaksen

  52. Composition and internal structures of a rock glacier on the strandflat of western Spitsbergen, Svalbard

    Article • Norsk Geografisk Tidsskrift - Norwegian Journal of Geography, June 2005, Taylor & Francis

    Ketil Isaksen

  53. Geophysical surveys designed to delineate the altitudinal limit of mountain permafrost: an example from Jotunheimen, Norway

    Article • Permafrost and Periglacial Processes, July 2004, Wiley

    Ketil Isaksen

  54. Warming permafrost in European mountains

    Article • Global and Planetary Change, November 2003, Elsevier

    Ketil Isaksen

  55. Terrain analyses and surface velocity measurements of the Hiorthfjellet rock glacier, Svalbard

    Article • Permafrost and Periglacial Processes, October 2003, Wiley

    Ketil Isaksen

  56. Geometry and dynamics of two lobe-shaped rock glaciers in the permafrost of Svalbard

    Article • Norsk Geografisk Tidsskrift - Norwegian Journal of Geography, January 2002, Taylor & Francis

    Ketil Isaksen

  57. Mountain permafrost distribution in Dovrefjell and Jotunheimen, southern Norway, based on BTS and DC resistivity tomography data

    Article • Norsk Geografisk Tidsskrift - Norwegian Journal of Geography, January 2002, Taylor & Francis

    Ketil Isaksen

  58. Three deep Alpine‐permafrost boreholes in Svalbard and Scandinavia

    Article • Permafrost and Periglacial Processes, March 2001, Wiley

    kerstin holmlund, Ketil Isaksen

  59. Applicability of frequency-domain and time-domain electromagnetic methods for mountain permafrost studies

    Article • Permafrost and Periglacial Processes, March 2001, Wiley

    Ketil Isaksen

  60. Mapping and modelling the occurrence and distribution of mountain permafrost

    Article • Norsk Geografisk Tidsskrift - Norwegian Journal of Geography, January 2001, Taylor & Francis

    Ketil Isaksen

  61. Rock Glaciers on Prins Karls Forland. II: GPR Soundings and the Development of Internal Structures

    Article • Permafrost and Periglacial Processes, December 2000, Wiley

    Ketil Isaksen

  62. Deep permafrost boreholes in western Svalbard, northern Sweden and southern Norway

    Article • Norsk Geografisk Tidsskrift - Norwegian Journal of Geography, November 2000, Taylor & Francis

    Ketil Isaksen

  63. Ground surface-temperature reconstruction based on data from a deep borehole in permafrost at Janssonhaugen, Svalbard

    Article • Annals of Glaciology, January 2000, Cambridge University Press

    Ketil Isaksen

  64. Composition, flow and development of two tongue-shaped rock glaciers in the permafrost of Svalbard

    Article • Permafrost and Periglacial Processes, January 2000, Wiley

    Ketil Isaksen

  65. Comparison of BTS and Landsat TM data from Jotunheimen, southern Norway

    Article • Norsk Geografisk Tidsskrift - Norwegian Journal of Geography, December 1999, Taylor & Francis

    Ketil Isaksen