No picture, placeholder image
No picture, placeholder image
Associate Professor Department of Arctic and Marine Biology lennart.nilsen@uit.no +4777646314 Tromsø You can find me here

Lennart Nilsen



  • Frans-Jan W. Parmentier, Lennart Nilsen, Hans Tømmervik, Ove H. Meisel, Lisa Bröder, Jorien E. Vonk et al.:
    Rapid Ice‐Wedge Collapse and Permafrost Carbon Loss Triggered by Increased Snow Depth and Surface Runoff
    Geophysical Research Letters 2024 ARKIV / DOI
  • Rasmus Erlandsson, Marit Klemetsen Arneberg, Hans Tømmervik, Eirik Aasmo Finne, Lennart Nilsen, Jarle W. Bjerke :
    Feasibility of active handheld NDVI sensors for monitoring of lichen ground cover
    Fungal ecology 2023 ARKIV / DOI
  • Hans Tømmervik, Tommaso Julitta, Lennart Nilsen, Taejin Park, Andreas Burkart, Katarzyna Anna Ostapowicz et al.:
    The northernmost hyperspectral FLoX sensor dataset for monitoring of high-Arctic tundra vegetation phenology and Sun-Induced Fluorescence (SIF)
    Data in Brief 22. September 2023 ARKIV / DOI
  • Mikel Moriana Armendariz, Lennart Nilsen, Elisabeth J. Cooper :
    Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition
    Arctic Science 2022 ARKIV / DOI
  • You Jin Kim, Dominique Laffly, Se-eun Kim, Lennart Nilsen, Junhwa Chi, Sungjin Nam et al.:
    Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors
    Geoderma 2022 ARKIV / DOI
  • Laura Stendardi, Stein Rune Karlsen, Eirik Malnes, Lennart Nilsen, Hans Tømmervik, Elisabeth J. Cooper et al.:
    Multi-Sensor Analysis of Snow Seasonality and a Preliminary Assessment of SAR Backscatter Sensitivity to Arctic Vegetation: Limits and Capabilities
    Remote Sensing 13. April 2022 ARKIV / DOI
  • Stein Rune Karlsen, Laura Stendardi, Hans Tømmervik, Lennart Nilsen, Ingar M Arntzen, Elisabeth J. Cooper :
    Time-series of cloud-free sentinel-2 NDVI data used in mapping the onset of growth of central Spitsbergen, Svalbard
    Remote Sensing 2021 ARKIV / DOI
  • Frans-Jan W. Parmentier, Lennart Nilsen, Hans Tømmervik, Elisabeth J. Cooper :
    A distributed time-lapse camera network to track vegetation phenology with high temporal detail and at varying scales
    Earth System Science Data 2021 ARKIV / FULLTEKST / DOI
  • Shridhar D. Jawak, Bo Nyborg Andersen, Veijo A Pohjola, Øystein Godøy, Christiane Hübner, Inger Jennings et al.:
    SIOS’s Earth Observation (EO), Remote Sensing (RS), and operational activities in response to COVID-19
    Remote Sensing 2021 ARKIV / DOI
  • Martha K. Raynolds, Donald A. Walker, Andrew Balser, Christian Bay, Mitch Campbell, Mikhail M. Cherosov et al.:
    A raster version of the Circumpolar Arctic Vegetation Map (CAVM)
    Remote Sensing of Environment 2019 ARKIV / DOI
  • Sigrid Engen, Claire Alice Runge, Greg Brown, Per Fauchald, Lennart Nilsen, Vera Helene Hausner :
    Assessing local acceptance of protected area management using public participation GIS (PPGIS)
    Journal for Nature Conservation 2018 ARKIV / DOI
  • Donald A. Walker, Fred J. A. Daniëls, Nadezhda V. Matveyeva, Jozef Šibík, Marilyn D. Walker, Amy L. Breen et al.:
    Circumpolar Arctic Vegetation Classification
    Phytocoenologia 2018 DOI
  • Arve Elvebakk, Jarle W. Bjerke, Lennart Nilsen :
    The lichen Allocetraria madreporiformis in high-arctic steppes on Svalbard: a result of out-of-Tibet migration?
    Graphis Scripta 2018 ARKIV
  • Helen Anderson, Lennart Nilsen, Hans Tømmervik, Stein Rune Karlsen, Shin Nagai, Elisabeth J. Cooper :
    Correction: Anderson, H.B. et al. Using Ordinary Digital Cameras in Place of Near-Infrared Sensors to Derive Vegetation Indices for Phenology Studies of High Arctic Vegetation. Remote Sens. 2016, 8, 847
    Remote Sensing 2017 ARKIV / DOI
  • Dilli Prasad Rijal, Torbjørn Alm, Lennart Nilsen, Inger Greve Alsos :
    Giant invasive Heracleum persicum: Friend or foe of plant diversity?
    Ecology and Evolution 2017 ARKIV / DOI
  • Daniel Joly, Geir Arnesen, Lennart Nilsen :
    Distribution de la vègètation au Svalbard / Distribution of vegetation on Svalbard
    Les mémoires du laboratoire de Géomorphologie 2016 DOI
  • Arve Elvebakk, Lennart Nilsen :
    Stepperøyrkvein Calamagrostis purpurascens i Wijdefjorden på Svalbard - einaste lokalitetar i Europa
    Blyttia : Norsk botanisk forenings tidsskrift 2016 ARKIV
  • Helen Anderson, Lennart Nilsen, Hans Tømmervik, Stein Rune Karlsen, Shin Nagai, Elisabeth J. Cooper :
    Using ordinary digital cameras in place of near-infrared sensors to derive vegetation indices for phenology studies of high arctic vegetation
    Remote Sensing 2016 ARKIV / DOI
  • Daniel Joly, Geir Arnesen, Eirik Malnes, Lennart Nilsen :
    Building an indicator to characterize the thermal conditions for plant growth on an Arctic archipelago, Svalbard
    Ecological Indicators 2016 DOI
  • Lennart Nilsen, Arve Elvebakk :
    Vegetation of exposed calcareous ridges in central Spitsbergen, Svalbard, Norway
    Phytocoenologia 2014 DOI
  • Hans Tømmervik, Stein Rune Karlsen, Lennart Nilsen, Bernt Johansen, Rune Storvold, Anna Zmarz et al.:
    Use of unmanned aircraft systems (UAS) in a multi-scale vegetation index study of arctic plant communities in Adventdalen on Svalbard
    EARSeL eProceedings 2014 ARKIV / DOI
  • Frans-Jan W. Parmentier, Alexandra Pongracz, Paul A. Miller, David Wårlind, Sam S. Rabin, Adrian Gustafson et al.:
    Local and regional impacts of changing snow cover on permafrost carbon loss
    2024
  • Frans-Jan W. Parmentier, Alexandra Pongracz, Paul A. Miller, David Wårlind, Sam S. Rabin, Adrian Gustafson et al.:
    Local and regional impacts of changing snow cover on permafrost carbon loss
    2024
  • Katarzyna Anna Ostapowicz, Taejin Park, Hans Tømmervik, Lennart Nilsen :
    Estimation of high tundra vegetation productivity using OCO-2, Sentinel 5 and FLoX data
  • Frans-Jan W. Parmentier, Lennart Nilsen, Hans Tømmervik, Elisabeth J. Cooper :
    A distributed time-lapse camera network on high-arctic Svalbard to track vegetation phenology with high temporal detail and at varying scales
    2022 FULLTEKST
  • Stein Rune Karlsen, Kjell Arild Høgda, Lennart Nilsen, Hans Tømmervik :
    Time-series of cloud-free Sentinel-2 NDVI data used in mapping the onset of growth of central Spitsbergen
    2022
  • Hans Tømmervik, Lennart Nilsen, Jarle W. Bjerke :
    Results from three years monitoring of vegetation phenology and Sun-Induced Fluorescence (SIF) in Adventdalen, Svalbard
    2022
  • Hans Tømmervik, Lennart Nilsen, Rasmus Erlandsson, Eirik Aasmo Finne, Jarle W. Bjerke :
    The Vanishing White (VANWHITE) Airborne Remote Sensing campaign Svalbard II 2021
    2021
  • Hans Tømmervik, Lennart Nilsen, Rasmus Erlandsson, Tommaso Julitta :
    Cal/Val activities in Svalbard using in-situ continuous monitoring and airborne campaigns
    2021
  • Stein Rune Karlsen, Sølvi Wehn, Lennart Nilsen, Jarle Inge Holten :
    GLORIA Norge 2020: Overvåkning av vegetasjon og vekstsesong
    NORCE Norwegian Research Centre 2021 FULLTEKST
  • Hans Tømmervik, Lennart Nilsen, Rasmus Erlandsson, Frans-Jan W. Parmentier, Frans-Jan W. Parmentier, Jarle W. Bjerke :
    A hyperspectral sensor for monitoring vegetation phenology and Sun-Induced Fluorescence (SIF) in High Arctic tundra
    2021
  • Roberto Salzano, Kristoffer Aalstad, Enrico Boldrini, Jean-Charles Gallet, Daniel Kȩpski, Bartlomiej Luks et al.:
    Terrestrial photography applications on snow cover in Svalbard (PASSES)
    2021 DOI
  • Lennart Nilsen, Frans-Jan W. Parmentier, Hans Tømmervik, Elisabeth J. Cooper :
    Near-surface vegetation monitoring in Adventdalen, Svalbard (Rack #1-#10, 2015-2018)
    2021 DATA / PROSJEKT
  • Frans-Jan W. Parmentier, Lennart Nilsen, Hans Tømmervik, Elisabeth J. Cooper :
    A distributed time-lapse camera network on high-arctic Svalbard to track vegetation phenology with high temporal detail and at varying scales
  • Roberto Salzano, Kristoffer Aalstad, Enrico Boldrini, Jean-Charles Gallet, Daniel Kepski, Bartlomiej Luks et al.:
    Terrestrial photography applications on snow cover in Svalbard (PASSES)
    2021 DOI
  • Stein Rune Karlsen, Laura Stendardi, Lennart Nilsen, Eirik Malnes, Lars Eklundh, Tommaso Julitta et al.:
    Sentinel satellite-based mapping of plant productivity in relation to snow duration and time of green-up (GROWTH)
    2020
  • Hans Tømmervik, Jarle W. Bjerke, Lennart Nilsen :
    The Vanishing White (VANWHITE) - Airborne Remote Sensing campaign Svalbard 2020
    2020
  • Sigrid Engen, Claire Alice Runge, Greg Brown, Per Fauchald, Lennart Nilsen, Vera Helene Hausner :
    Assessing local acceptance of protected area management using public participation GIS
    2019
  • Frans-Jan W. Parmentier, Lennart Nilsen, Hans Tømmervik, Ove H. Meisel, Lisa M. Bröder, Jorien E. Vonk et al.:
    Thicker Snow Cover Triggers Permafrost Carbon Loss Through Both Enhanced Warming and Surface Runoff
    2019 FULLTEKST
  • Eike Ingrid Stübner, Klaus Høiland, Lennart Nilsen, Simone Lang, Stephen James Coulson, Pernille Bronken Eidesen :
    Learning Arctic Biology
    2019 DATA
  • Hans Tømmervik, Lennart Nilsen, Rune Storvold, Stian Solbø, Frans-Jan Parmentier, Elisabeth J. Cooper :
    Monitoring interactions of snow-ice-vegetation-permafrost on Svalbard, results from a snow manipulation experiment and near ground Remote sensing observation system (rigs) and UAV
    2018
  • Frans-Jan W. Parmentier, Lennart Nilsen, Hans Tømmervik, Ove Meisel, Lisa Bröder, Jorien E. Vonk et al.:
    Thicker Snow Cover Triggers Lateral Permafrost Carbon Loss Both Through Enhanced Warming and Surface Runoff
    2018
  • Frans-Jan W. Parmentier, Lennart Nilsen, Hans Tømmervik, Elisabeth J. Cooper :
    A low-cost camera setup to monitor vegetation-snow interactions in a high-arctic valley on the Svalbard archipelago
    2017
  • Frans-Jan W. Parmentier, Lennart Nilsen, Martin Alfons Mörsdorf, Hans Tømmervik, Stein-Rune Karlsen, Elisabeth J. Cooper :
    Snow-vegetation-permafrost interactions on Svalbard - Insights from a snow manipulation experiment and remote sensing
    2017
  • Frans-Jan W. Parmentier, Daniel Rasse, Magnus Lund, Jarle W. Bjerke, Bert G. Drake, Simon Mark Weldon et al.:
    Carbon uptake of a subarctic peatland strongly affected by an extreme winter event
    2017
  • Frans-Jan W. Parmentier, Daniel Rasse, Magnus Lund, Jarle W. Bjerke, Bert G. Drake, Simon Mark Weldon et al.:
    No snow or too much snow: Implications for the arctic carbon cycle and modelling challenges
    2017
  • Sigrid Engen, Claire Runge, Vera Helene Hausner, Per Fauchald, Lennart Nilsen, Greg Brown :
    Social acceptability of conservation through small-scale consumptive use. Results from web-based Public Participatory GIS surveys in Norway
    2016
  • Young Jung, Dominique Laffly, Lennart Nilsen, Se-Eun Kim, Myrtille Moreau, Yoo Kyung Lee :
    Estimation of soil organic carbon stock in the glacier foreland of Midtre Lovénbreen, in the high arctic.
    2016
  • Stein Rune Karlsen, Lennart Nilsen, Hans Tømmervik, Bernt Johansen :
    Processing a clear-sky time-series of Sentinel-2A data of central parts of Svalbard to monitor seasonal changes in vegetation
    2016
  • Dominique Laffly, Ji Young Jung, Se-Eun Kim, Hyeyoung Kwon, Myrtille Moreau, Yannick Le Nir et al.:
    From the Point to the Surface: How Bayesian Probabilities are Used to Spatialized Soil Organic Carbon, Spitsberg, Midtre Lovénbreen
    2015

  • The 50 latest publications is shown on this page. See all publications in Cristin here →


    Research interests

    The Arctic, Svalbard, mountain vegetation, plant ecology, vegetation theory, plant sociology, Geographic information system, natural geography, satellite based environmental information and monitoring, maps and mapping.




    Biologibygget 2.051


    Click for bigger map