| Degrading permafrost puts Arctic infrastructure at risk by mid-century J Hjort, O Karjalainen, J Aalto, S Westermann, VE Romanovsky, ... Nature communications 9 (1), 5147, 2018 | 543 | 2018 |
| Statistical forecasting of current and future circum‐Arctic ground temperatures and active layer thickness J Aalto, O Karjalainen, J Hjort, M Luoto Geophysical Research Letters 45 (10), 4889-4898, 2018 | 133 | 2018 |
| New high-resolution estimates of the permafrost thermal state and hydrothermal conditions over the Northern Hemisphere Y Ran, X Li, G Cheng, J Che, J Aalto, O Karjalainen, J Hjort, M Luoto, ... Earth System Science Data 14 (2), 865-884, 2022 | 115 | 2022 |
| Circumpolar permafrost maps and geohazard indices for near-future infrastructure risk assessments O Karjalainen, J Aalto, M Luoto, S Westermann, VE Romanovsky, ... Scientific data 6 (1), 1-16, 2019 | 74 | 2019 |
| High potential for loss of permafrost landforms in a changing climate O Karjalainen, M Luoto, J Aalto, B Etzelmüller, G Grosse, BM Jones, ... Environmental Research Letters 15 (10), 104065, 2020 | 51 | 2020 |
| New insights into the environmental factors controlling the ground thermal regime across the Northern Hemisphere: a comparison between permafrost and non-permafrost areas O Karjalainen, M Luoto, J Aalto, J Hjort The Cryosphere 13 (2), 693-707, 2019 | 47 | 2019 |
| Environmental spaces for palsas and peat plateaus are disappearing at a circumpolar scale OH Könönen, O Karjalainen, J Aalto, M Luoto, J Hjort The Cryosphere Discussions 2022, 1-37, 2022 | 18 | 2022 |
| Environmental Controls of InSAR‐Based Periglacial Ground Dynamics in a Sub‐Arctic Landscape L Rouyet, O Karjalainen, P Niittynen, J Aalto, M Luoto, TR Lauknes, ... Journal of Geophysical Research: Earth Surface 126 (7), e2021JF006175, 2021 | 18 | 2021 |
| New high-resolution estimates of the permafrost thermal state and hydrothermal conditions over the Northern Hemisphere, Earth Syst. Sci. Data, 14, 865–884 Y Ran, X Li, G Cheng, J Che, J Aalto, O Karjalainen, J Hjort, M Luoto, ... | 15 | 2022 |
| Active layer thickness and permafrost area projections for the 21st century X Peng, T Zhang, OW Frauenfeld, C Mu, K Wang, X Wu, D Guo, J Luo, ... Earth's Future 11 (8), e2023EF003573, 2023 | 13 | 2023 |
| Geomorphological processes shape plant community traits in the Arctic J Kemppinen, P Niittynen, K Happonen, PC le Roux, J Aalto, J Hjort, ... Global Ecology and Biogeography 31 (7), 1381-1398, 2022 | 13 | 2022 |
| Geodiversity data for Europe M Toivanen, T Maliniemi, J Hjort, H Salminen, T Ala-Hulkko, J Kemppinen, ... Philosophical Transactions of the Royal Society A 382 (2269), 20230173, 2024 | 3 | 2024 |
| Retrogressive thaw slump susceptibility in the northern hemisphere permafrost region E Makopoulou, O Karjalainen, L Elia, A Blais‐Stevens, T Lantz, ... Earth Surface Processes and Landforms, 2024 | 1 | 2024 |
| Environmental Drivers of Palsa and Peat Plateau Occurrences: A Regional Comparison Across the Northern Hemisphere O Leppiniemi, O Karjalainen, J Aalto, M Luoto, J Hjort Permafrost and Periglacial Processes, 2024 | | 2024 |
| Environmental spaces for palsas and peat plateaus are disappearing at a circumpolar scale O Leppiniemi, O Karjalainen, J Aalto, M Luoto, J Hjort Copernicus Publications, 2023 | | 2023 |
| New high-resolution estimates of the permafrost thermal state and hydrothermal conditions over the Northern Hemisphere Y Ran, X Li, G Cheng, J Che, J Aalto, O Karjalainen, J Hjort, M Luoto, ... Earth System Science Data 14 (2), 865-884, 2022 | | 2022 |
| Degrading permafrost threatens Arctic nature and built environment J Hjort, O Karjalainen, J Aalto, S Westermann, V Romanovsky, F Nelson, ... EGU General Assembly Conference Abstracts, 8408, 2020 | | 2020 |
| Statistical modelling of circumpolar permafrost: thermal and geomorphic sensitivities to climate change and societal implications O Karjalainen Nordia Geographical Publications 49 (1), 77-77, 2020 | | 2020 |
| High Potential for Loss of Circumpolar Pingos, Ice-wedge Polygons and Rock Glaciers due to Climate Change O Karjalainen, M Luoto, JA Aalto, B Etzelmuller, G Grosse, BM Jones, ... AGU Fall Meeting Abstracts 2019, C22C-01, 2019 | | 2019 |
| Statistical Permafrost Modeling Suggests High Risk for Arctic Infrastructure by 2050 JA Aalto, J Hjort, O Karjalainen, S Westermann, VE Romanovsky, ... AGU Fall Meeting Abstracts 2018, GC31B-08, 2018 | | 2018 |
Jan HjortProfessor of Physical Geography, University of OuluVerified email at oulu.fi
