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Institutt for arktisk og marin biologi lennart.nilsen@uit.no +4777646314 Tromsø Biologibygget 2.051

Lennart Nilsen


Førsteamanuensis


  • 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
  • Laura Stendardi, Stein Rune Karlsen, Eirik Malnes, Lennart Nilsen, Hans Tømmervik, Elisabeth J. Cooper m.fl.:
    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
  • You Jin Kim, Dominique Laffly, Se-eun Kim, Lennart Nilsen, Junhwa Chi, Sungjin Nam m.fl.:
    Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors
    Geoderma 2022 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
  • 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
  • Shridhar D. Jawak, Bo Nyborg Andersen, Veijo A Pohjola, Øystein Godøy, Christiane Hübner, Inger Jennings m.fl.:
    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 m.fl.:
    A raster version of the Circumpolar Arctic Vegetation Map (CAVM)
    Remote Sensing of Environment 2019 ARKIV / DOI
  • Donald A. Walker, Fred J. A. Daniëls, Nadezhda V. Matveyeva, Jozef Šibík, Marilyn D. Walker, Amy L. Breen m.fl.:
    Circumpolar Arctic Vegetation Classification
    Phytocoenologia 2018 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
  • 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
  • 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
  • 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
  • Arve Elvebakk, Lennart Nilsen :
    Stepperøyrkvein Calamagrostis purpurascens i Wijdefjorden på Svalbard - einaste lokalitetar i Europa
    Blyttia : Norsk botanisk forenings tidsskrift 2016 ARKIV
  • 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
  • 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 m.fl.:
    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
  • Lennart Nilsen, Dietbert Thannheiser :
    Phytosociology of the Svalbard archipelago including Bjørnøya and Jan Mayen
    2013 FULLTEKST
  • Lennart Nilsen, Daniel Joly, Arve Elvebakk, Thierry Brossard :
    Modeling spatial covariation of summer temperatures and bio-indicators in an Arctic coastal area
    Climate Research (CR) 2013 DOI
  • Lennart Nilsen, Geir Arnesen, Daniel Joly, Eirik Malnes :
    Spatial modelling of Artic plant diversity
    Biodiversity 2012 DOI
  • Arve Elvebakk, Lennart Nilsen :
    Svalbardsaltgras Puccinellia svalbardensis - endemisk for Svalbard, men vanleg i steppeområdet ved Wijdefjorden
    Blyttia : Norsk botanisk forenings tidsskrift 2011
  • 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
  • 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
  • Hans Tømmervik, Lennart Nilsen, Rasmus Erlandsson, Tommaso Julitta :
    Cal/Val activities in Svalbard using in-situ continuous monitoring and airborne campaigns
    2021
  • 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, 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 m.fl.:
    Terrestrial photography applications on snow cover in Svalbard (PASSES)
    2021 DOI
  • Roberto Salzano, Kristoffer Aalstad, Enrico Boldrini, Jean-Charles Gallet, Daniel Kepski, Bartlomiej Luks m.fl.:
    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
  • Stein Rune Karlsen, Sølvi Wehn, Lennart Nilsen, Jarle Inge Holten :
    GLORIA Norge 2020: Overvåkning av vegetasjon og vekstsesong
    2021 FULLTEKST
  • Hans Tømmervik, Jarle W. Bjerke, Lennart Nilsen :
    The Vanishing White (VANWHITE) - Airborne Remote Sensing campaign Svalbard 2020
    2020
  • Stein Rune Karlsen, Laura Stendardi, Lennart Nilsen, Eirik Malnes, Lars Eklundh, Tommaso Julitta m.fl.:
    Sentinel satellite-based mapping of plant productivity in relation to snow duration and time of green-up (GROWTH)
    2020
  • Frans-Jan W. Parmentier, Lennart Nilsen, Hans Tømmervik, Ove H. Meisel, Lisa M. Bröder, Jorien E. Vonk m.fl.:
    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
  • 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
  • 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 m.fl.:
    Thicker Snow Cover Triggers Lateral Permafrost Carbon Loss Both Through Enhanced Warming and Surface Runoff
    2018
  • 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, 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, Daniel Rasse, Magnus Lund, Jarle W. Bjerke, Bert G. Drake, Simon Mark Weldon m.fl.:
    No snow or too much snow: Implications for the arctic carbon cycle and modelling challenges
    2017
  • Frans-Jan W. Parmentier, Daniel Rasse, Magnus Lund, Jarle W. Bjerke, Bert G. Drake, Simon Mark Weldon m.fl.:
    Carbon uptake of a subarctic peatland strongly affected by an extreme winter event
    2017
  • 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
  • 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
  • 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 m.fl.:
    From the Point to the Surface: How Bayesian Probabilities are Used to Spatialized Soil Organic Carbon, Spitsberg, Midtre Lovénbreen
    2015
  • Lennart Nilsen :
    Bridging the temporal scale from winter to summer and the spatial scale from ground plot sampling to satellite remote sensing
    2012 FULLTEKST
  • Lennart Nilsen :
    Geografiske informasjonsystemer (GIS) og geodata ved UiT
    2011 FULLTEKST

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    Forskningsinteresser

    Arktis, Svalbard, fjellvegetasjon, planteøkologi, vegetasjonslære, plantesosiologi, Geografiske informasjonssystem, naturgeografi, satellittbasert miljøinformasjon og overvåkning, kart og kartlegging.

    Undervisning

    Ansvarlig for gjennomføring av kurset BIO-3111 Geografiske informasjonssystem og jordobservasjon. Deltar også på undervisning i BIO-1005 Økologi og evolusjon.




    Biologibygget 2.051

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