Works matching AU Isaksen, Ketil

Results: 53

An agenda for the future of Arctic snow research: the view from Svalbard.

Published in:

Polar Research, 2023, v. 42, p. 1, doi. 10.33265/polar.v42.8827

By:

Zdanowicz, Christian;
Gallet, Jean-Charles;
Salvatori, Rosamaria;
Malnes, Eirik;
Isaksen, Ketil;
Hübner, Christiane;
Jones, Eleanor;
Lihavainen, Heikki

Publication type:

Article

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

Published in:

Polar Research, 2020, v. 39, p. 1, doi. 10.33265/polar.v39.3614

By:

Nordli, Øyvind;
Wyszyn´ski, Przemysław;
Gjelten, Herdis M.;
Isaksen, Ketil;
Łupikasza, Ewa;
Niedz´wiedz´, Tadeusz;
Przybylak, Rajmund

Publication type:

Article

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

Published in:

Polar Research, 2016, v. 35, n. 1, p. 1, doi. 10.3402/polar.v35.29878

By:

Gjelten, Herdis M.;
Nordli, Øyvind;
Isaksen, Ketil;
Førland, Eirik J.;
Sviashchennikov, Pavel N.;
Wyszynski, Przemyslaw;
Prokhorova, Uliana V.;
Przybylak, Rajmund;
Ivanov, Boris V.;
Urazgildeeva, Alexandra V.

Publication type:

Article

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

Published in:

Polar Research, 2014, v. 33, n. 1, p. 1, doi. 10.3402/polar.v33.21349

By:

Nordli, Øyvind;
Przybylak, Rajmund;
Ogilvie, Astrid E.J.;
Isaksen, Ketil

Publication type:

Article

Permafrost Map for Norway, Sweden and Finland.

Published in:

Permafrost & Periglacial Processes, 2017, v. 28, n. 2, p. 359, doi. 10.1002/ppp.1922

By:

Gisnås, Kjersti;
Etzelmüller, Bernd;
Lussana, Cristian;
Hjort, Jan;
Sannel, A. Britta K.;
Isaksen, Ketil;
Westermann, Sebastian;
Kuhry, Peter;
Christiansen, Hanne H.;
Frampton, Andrew;
Åkerman, Jonas

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2011, v. 22, n. 4, p. 361, doi. 10.1002/ppp.728

By:

Isaksen, Ketil;
Ødegård, Rune Strand;
Etzelmüller, Bernd;
Hilbich, Christin;
Hauck, Christian;
Farbrot, Herman;
Eiken, Trond;
Hygen, Hans Olav;
Hipp, Tobias Florian

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2013, v. 24, n. 1, p. 20, doi. 10.1002/ppp.1763

By:

Farbrot, Herman;
Isaksen, Ketil;
Etzelmüller, Bernd;
Gisnås, Kjersti

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2011, v. 22, n. 4, p. 343, doi. 10.1002/ppp.733

By:

Farbrot, Herman;
Hipp, Tobias Florian;
Etzelmüller, Bernd;
Isaksen, Ketil;
Ødegård, Rune Strand;
Schuler, Thomas Vikhamar;
Humlum, Ole

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2008, v. 19, n. 1, p. 31, doi. 10.1002/ppp.609

By:

Harris, Charles;
Kern-Luetschg, Martina;
Smith, Fraser;
Isaksen, Ketil

Publication type:

Article

Field instrumentation for real-time monitoring of periglacial solifluction.

Published in:

Permafrost & Periglacial Processes, 2007, v. 18, n. 1, p. 105, doi. 10.1002/ppp.573

By:

Harris, Charles;
Luetschg, Martina;
Davies, Michael C. R.;
Smith, Fraser;
Christiansen, Hanne H.;
Isaksen, Ketil

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2004, v. 15, n. 3, p. 191, doi. 10.1002/ppp.493

By:

Hauck, Christian;
Isaksen, Ketil;
Vonder Mühll, Daniel;
Sollid, Johan Ludvig

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2003, v. 14, n. 4, p. 359

By:

Rune S. Ødegård;
Ketil Isaksen;
Trond Eiken;
Johan Ludvig Sollid

Publication type:

Article

Three deep Alpine-permafrost boreholes in Svalbard and Scandinavia.

Published in:

Permafrost & Periglacial Processes, 2001, v. 12, n. 1, p. 13, doi. 10.1002/ppp.380

By:

Isaksen, Ketil;
Holmlund, Per;
Sollid, Johan Ludvig;
Harris, Charles

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2001, v. 12, n. 1, p. 39, doi. 10.1002/ppp.383

By:

Hauck, Christian;
Guglielmin, Mauro;
Isaksen, Ketil;
Vonder Mühll, Daniel

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2000, v. 11, n. 4, p. 357, doi. 10.1002/1099-1530(200012)11:4<357::AID-PPP366>3.0.CO;2-6

By:

Berthling, Ivar;
Etzelmüller, Bernd;
Isaksen, Ketil;
Sollid, Johan Ludvig

Publication type:

Article

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

Published in:

Permafrost & Periglacial Processes, 2000, v. 11, n. 3, p. 241, doi. 10.1002/1099-1530(200007/09)11:3<241::AID-PPP358>3.0.CO;2-A

By:

Isaksen, Ketil;
Ødegård, Rune Strand;
Eiken, Trond;
Sollid, Johan Ludvig

Publication type:

Article

Exceptional warming over the Barents area.

Published in:

Scientific Reports, 2022, v. 12, n. 1, p. 1, doi. 10.1038/s41598-022-13568-5

By:

Isaksen, Ketil;
Nordli, Øyvind;
Ivanov, Boris;
Køltzow, Morten A. Ø.;
Aaboe, Signe;
Gjelten, Herdis M.;
Mezghani, Abdelkader;
Eastwood, Steinar;
Førland, Eirik;
Benestad, Rasmus E.;
Hanssen-Bauer, Inger;
Brækkan, Ragnar;
Sviashchennikov, Pavel;
Demin, Valery;
Revina, Anastasiia;
Karandasheva, Tatiana

Publication type:

Article

Measured and Modeled Historical Precipitation Trends for Svalbard.

Published in:

Journal of Hydrometeorology, 2020, v. 21, n. 6, p. 1279, doi. 10.1175/JHM-D-19-0252.1

By:

FØRLAND, EIRIK J.;
ISAKSEN, KETIL;
LUTZ, JULIA;
HANSSEN-BAUER, INGER;
SCHULER, THOMAS VIKHAMAR;
DOBLER, ANDREAS;
GJELTEN, HERDIS M.;
VIKHAMAR-SCHULER, DAGRUN

Publication type:

Article

Widespread plant species temporal variation along environmental and microclimate gradients in Norwegian mountains in a climate change context.

Published in:

Nordic Journal of Botany, 2024, v. 2024, n. 12, p. 1, doi. 10.1111/njb.04343

By:

Wehn, Sølvi;
Isaksen, Ketil;
Johansen, Line

Publication type:

Article

The climatic significance of artefacts related to prehistoric reindeer hunting exposed at melting ice patches in southern Norway.

Published in:

Holocene, 2012, v. 22, n. 4, p. 485, doi. 10.1177/0959683611425552

By:

Nesje, Atle;
Pilø, Lars Holger;
Finstad, Espen;
Solli, Brit;
Wangen, Vivian;
Ødegård, Rune Strand;
Isaksen, Ketil;
Støren, Eivind N.;
Bakke, Dag Inge;
Andreassen, Liss M

Publication type:

Article

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

Published in:

Journal of Glaciology, 2010, v. 56, n. 200, p. 1043, doi. 10.3189/002214311796406121

By:

HAEBERLI, Wilfried;
NOETZLI, Jeannette;
ARENSON, Lukas;
DELALOYE, Reynald;
GÄRTNER-ROER, Isabelle;
GRUBER, Stephan;
ISAKSEN, Ketil;
KNEISEL, Christof;
KRAUTBLATTER, Michael;
PHILLIPS, Marcia

Publication type:

Article

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

Published in:

Natural Hazards & Earth System Sciences Discussions, 2019, p. 1, doi. 10.5194/nhess-2019-188

By:

Dyrrdal, Anita Verpe;
Isaksen, Ketil;
Steen Jacobsen, Jens Kristian;
Nilsen, Irene Brox

Publication type:

Article

Impacts of extreme weather events on transport infrastructure in Norway.

Published in:

Natural Hazards & Earth System Sciences Discussions, 2017, p. 1, doi. 10.5194/nhess-2017-437

By:

Frauenfelder, Regula;
Solheim, Anders;
Isaksen, Ketil;
Romstad, Bård;
Dyrrdal, Anita V.;
Ekseth, Kristine H. H.;
Harbitz, Alf;
Harbitz, Carl B.;
Haugen, Jan Erik;
Hygen, Hans Olav;
Haakenstad, Hilde;
Jaedicke, Christian;
Jónsson, Árni;
Klæboe, Ronny;
Ludvigsen, Johanna;
Meyer, Nele M.;
Rauken, Trude;
Skaland, Reidun G.;
Sverdrup-Thygeson, Kjetil;
Aaheim, Asbjørn

Publication type:

Article

Testing and Development of Transfer Functions for Weighing Precipitation Gauges in WMO-SPICE.

Published in:

Hydrology & Earth System Sciences Discussions, 2017, p. 1, doi. 10.5194/hess-2017-228

By:

Kochendorfer, John;
Nitu, Rodica;
Wolff, Mareile;
Mekis, Eva;
Rasmussen, Roy;
Baker, Bruce;
Earle, Michael E.;
Reverdin, Audrey;
Kai Wong;
Smith, Craig D.;
Daqing Yang;
Roulet, Yves-Alain;
Meyers, Tilden;
Buisan, Samuel;
Isaksen, Ketil;
Brækkan, Ragnar;
Landolt, Scott;
Jachcik, Al

Publication type:

Article

Errors and adjustments for single-Alter shielded and unshielded weighing gauge precipitation measurements from WMO-SPICE.

Published in:

Hydrology & Earth System Sciences Discussions, 2017, p. 1, doi. 10.5194/hess-2016-684

By:

Kochendorfer, John;
Nitu, Rodica;
Wolff, Mareile;
Mekis, Eva;
Rasmussen, Roy;
Baker, Bruce;
Earle, Michael E.;
Reverdin, Audrey;
Kai Wong;
Smith, Craig D.;
Daqing Yang;
Roulet, Yves-Alain;
Buisan, Samuel;
Laine, Timo;
Gyuwon Lee;
Aceituno, Jose Luis C.;
Alastrué, Javier;
Isaksen, Ketil;
Meyers, Tilden;
Brækkan, Ragnar

Publication type:

Article

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

Published in:

Hydrology & Earth System Sciences Discussions, 2016, p. 1, doi. 10.5194/hess-2016-415

By:

Kochendorfer, John;
Rasmussen, Roy;
Wolff, Mareile;
Baker, Bruce;
Hall, Mark E.;
Meyers, Tilden;
Landolt, Scott;
Jachcik, Al;
Isaksen, Ketil;
Brækkan, Ragnar;
Leeper, Ronald

Publication type:

Article

Assessment of long-term changes in the surface air temperature from the High Arctic archipelago Franz Joseph Land from 1929 to the present (2017).

Published in:

Czech Polar Reports, 2021, v. 11, n. 1, p. 114, doi. 10.5817/CPR2021-1-9

By:

Ivanov, Boris;
Karandasheva, Tatiana;
Demin, Valery;
Revina, Anastasiia;
Sviashchennikov, Pavel;
Isaksen, Ketil;
Førland, Eirik J.;
Nordli, Øyvind;
Gjelten, Herdis Motrøen

Publication type:

Article

Changes in Winter Warming Events in the Nordic Arctic Region.

Published in:

Journal of Climate, 2016, v. 29, n. 17, p. 6223, doi. 10.1175/JCLI-D-15-0763.1

By:

Vikhamar-Schuler, Dagrun;
Isaksen, Ketil;
Haugen, Jan Erik;
Tømmervik, Hans;
Luks, Bartlomiej;
Schuler, Thomas Vikhamar;
Bjerke, Jarle W.

Publication type:

Article

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

Published in:

Natural Hazards & Earth System Sciences, 2020, v. 20, n. 6, p. 1847, doi. 10.5194/nhess-20-1847-2020

By:

Dyrrdal, Anita Verpe;
Isaksen, Ketil;
Jacobsen, Jens Kristian Steen;
Nilsen, Irene Brox

Publication type:

Article

Enhanced warming of European mountain permafrost in the early 21st century.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-54831-9

By:

Noetzli, Jeannette;
Isaksen, Ketil;
Barnett, Jamie;
Christiansen, Hanne H.;
Delaloye, Reynald;
Etzelmüller, Bernd;
Farinotti, Daniel;
Gallemann, Thomas;
Guglielmin, Mauro;
Hauck, Christian;
Hilbich, Christin;
Hoelzle, Martin;
Lambiel, Christophe;
Magnin, Florence;
Oliva, Marc;
Paro, Luca;
Pogliotti, Paolo;
Riedl, Claudia;
Schoeneich, Philippe;
Valt, Mauro

Publication type:

Article

The impact of weather conditions on everyday cycling with different bike types in parents of young children participating in the CARTOBIKE randomized controlled trial.

Published in:

International Journal of Sustainable Transportation, 2023, v. 17, n. 2, p. 128, doi. 10.1080/15568318.2021.1999538

By:

Bjørnarå, Helga Birgit;
Berntsen, Sveinung;
te Velde, Saskia J.;
Fyhri, Aslak;
Isaksen, Ketil;
Deforche, Benedicte;
Andersen, Lars Bo;
Stenling, Andreas;
Bere, Elling

Publication type:

Article

Recent warming of mountain permafrost in Svalbard and Scandinavia.

Published in:

Journal of Geophysical Research. Earth Surface, 2007, v. 112, n. F2, p. n/a, doi. 10.1029/2006JF000522

By:

Isaksen, Ketil;
Sollid, Johan Ludvig;
Holmlund, Per;
Harris, Charles

Publication type:

Article

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

Published in:

Parasites & Vectors, 2014, v. 7, n. 1, p. 1, doi. 10.1186/1756-3305-7-11

By:

Jore, Solveig;
Vanwambeke, Sophie O.;
Viljugrein, Hildegunn;
Isaksen, Ketil;
Kristoffersen, Anja B.;
Woldehiwet, Zerai;
Johansen, Bernt;
Brun, Edgar;
Brun-Hansen, Hege;
Westermann, Sebastian;
Larsen, Inger-Lise;
Ytrehus, Bjørnar;
Hofshagen, Merete

Publication type:

Article

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

Published in:

Parasites & Vectors, 2012, v. 5, n. 1, p. 177, doi. 10.1186/1756-3305-5-177

By:

Andreassen, Ashild;
Jore, Solveig;
Cuber, Piotr;
Dudman, Susanne;
Tengs, Torstein;
Isaksen, Ketil;
Hygen, Hans Olav;
Viljugrein, Hildegunn;
Ånestad, Gabriel;
Ottesen, Preben;
Vainio, Kirsti

Publication type:

Article

Development of multiple taliks near settlements on Svalbard - a new source of drinking water for the High Arctic?

Published in:

Cryosphere Discussions, 2023, p. 1, doi. 10.5194/egusphere-2023-2950

By:

Sinitsyn, Anatoly O.;
Bazin, Sara;
Benestad, Rasmus;
Etzelmüller, Bernd;
Isaksen, Ketil;
Kvitsand, Hanne;
Lutz, Julia;
Popp, Andrea L.;
Rubensdotter, Lena;
Westermann, Sebastian

Publication type:

Article

Single Causative Factor for Severe Pneumonia Epizootics in Muskoxen?

Published in:

2015

By:

Ytrehus, Bjørnar;
Davidson, Rebecca;
Isaksen, Ketil

Publication type:

Letter

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

Published in:

EcoHealth, 2008, v. 5, n. 2, p. 213, doi. 10.1007/s10393-008-0166-0

By:

Ytrehus, Bjørnar;
Bretten, Tord;
Bergsjø, Bjarne;
Isaksen, Ketil

Publication type:

Article

Simulating the effect of subsurface drainage on the thermal regime and ground ice in blocky terrain in Norway.

Published in:

Earth Surface Dynamics, 2023, v. 11, n. 1, p. 33, doi. 10.5194/esurf-11-33-2023

By:

Renette, Cas;
Aalstad, Kristoffer;
Aga, Juditha;
Zweigel, Robin Benjamin;
Etzelmüller, Bernd;
Lilleøren, Karianne Staalesen;
Isaksen, Ketil;
Westermann, Sebastian

Publication type:

Article

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

Published in:

Earth Surface Dynamics, 2019, v. 7, n. 4, p. 1019, doi. 10.5194/esurf-7-1019-2019

By:

Magnin, Florence;
Etzelmüller, Bernd;
Westermann, Sebastian;
Isaksen, Ketil;
Hilger, Paula;
Hermanns, Reginald L.

Publication type:

Article

Rapid warming and degradation of mountain permafrost in Norway and Iceland.

Published in:

Cryosphere Discussions, 2023, p. 1, doi. 10.5194/tc-2023-50

By:

Etzelmüller, Bernd;
Isaksen, Ketil;
Czekirda, Justyna;
Westermann, Sebastian;
Hilbich, Christin;
Hauck, Christian

Publication type:

Article

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

Published in:

Hydrology & Earth System Sciences, 2018, v. 22, n. 2, p. 1437, doi. 10.5194/hess-22-1437-2018

By:

Kochendorfer, John;
Nitu, Rodica;
Wolff, Mareile;
Mekis, Eva;
Rasmussen, Roy;
Baker, Bruce;
Earle, Michael E.;
Reverdin, Audrey;
Wong, Kai;
Smith, Craig D.;
Yang, Daqing;
Roulet, Yves-Alain;
Meyers, Tilden;
Buisan, Samuel;
Isaksen, Ketil;
Brækkan, Ragnar;
Landolt, Scott;
Jachcik, Al

Publication type:

Article

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

Published in:

Hydrology & Earth System Sciences, 2017, v. 21, n. 7, p. 3525, doi. 10.5194/hess-21-3525-2017

By:

Kochendorfer, John;
Nitu, Rodica;
Wolff, Mareile;
Mekis, Eva;
Rasmussen, Roy;
Baker, Bruce;
Earle, Michael E.;
Reverdin, Audrey;
Wong, Kai;
Smith, Craig D.;
Yang, Daqing;
Roulet, Yves-Alain;
Buisan, Samuel;
Laine, Timo;
Gyuwon Lee;
Aceituno, Jose Luis C.;
Alastrué, Javier;
Isaksen, Ketil;
Meyers, Tilden;
Brækkan, Ragnar

Publication type:

Article

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

Published in:

Hydrology & Earth System Sciences, 2017, v. 21, n. 4, p. 1973, doi. 10.5194/hess-21-1973-2017

By:

Kochendorfer, John;
Rasmussen, Roy;
Wolff, Mareile;
Baker, Bruce;
Hall, Mark E.;
Meyers, Tilden;
Landolt, Scott;
Jachcik, Al;
Isaksen, Ketil;
Brækkan, Ragnar;
Leeper, Ronald

Publication type:

Article

Permafrost geomorphological systems in a changing global climate.

Published in:

2005

By:

Humlum, Ole;
Isaksen, Ketil

Publication type:

Editorial

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

Published in:

Norwegian Journal of Geography, 2005, v. 59, n. 2, p. 139, doi. 10.1080/00291950510020619

By:

Farbrot, Herman;
Isaksen, Ketil;
Eiken, Trond;
Kääb, Andreas;
Sollid, JohanLudvig

Publication type:

Article

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

Published in:

Norwegian Journal of Geography, 2002, v. 56, n. 2, p. 122, doi. 10.1080/002919502760056459

By:

Isaksen, Ketil;
Hauck, Christian;
Gudevang, Espen;
Ødegård, Rune S.;
Sollid, Johan Ludvig

Publication type:

Article

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

Published in:

Norwegian Journal of Geography, 2002, v. 56, n. 2, p. 152

By:

Kääb, Andreas;
Isaksen, Ketil;
Eiken, Trond;
Farbrot, Herman

Publication type:

Article

Mapping and modelling the occurrence and distribution of mountain permafrost.

Published in:

Norwegian Journal of Geography, 2001, v. 55, n. 4, p. 186, doi. 10.1080/00291950152746513

By:

Etzelmüller, Bernd;
Hoelzle, Martin;
Heggem, Eva Solbjørg Flo;
Isaksen, Ketil;
Mittaz, Cathrine;
Mühll, Daniel Vonder;
Ødegård, Rune S.;
Haeberli, Wilfried;
Sollid, Johan Ludvig

Publication type:

Article

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

Published in:

Norwegian Journal of Geography, 1999, v. 53, n. 4, p. 226, doi. 10.1080/002919599420811

By:

Ødegård, Rune S.;
Isaksen, Ketil;
Mastervik, Mats;
Billdal, Lars;
Engler, Mark;
Sollid, Johan Ludvig

Publication type:

Article

Rapid warming and degradation of mountain permafrost in Norway and Iceland.

Published in:

Cryosphere, 2023, v. 17, n. 12, p. 5477, doi. 10.5194/tc-17-5477-2023

By:

Etzelmüller, Bernd;
Isaksen, Ketil;
Czekirda, Justyna;
Westermann, Sebastian;
Hilbich, Christin;
Hauck, Christian

Publication type:

Article