Showing 1 - 20 results of 24 for search 'Hans Tømmervik', query time: 0.08s Refine Results
  1. 1
    Spot-satelitten og vegetasjonskartlegging

    Spot-satelitten og vegetasjonskartlegging by Hans Tømmervik

    Published 1984-05-01
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  2. 2
    Noen erfaringer med bruk av satellittdata i kartlegging av reinbeiter, Dividal, Kautokeino og Pasvik

    Noen erfaringer med bruk av satellittdata i kartlegging av reinbeiter, Dividal, Kautokeino og Pasvik by Hans Tømmervik, Inge Lauknes

    Published 2010-06-01
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  3. 3
    Focus on recent, present and future Arctic and boreal productivity and biomass changes

    Focus on recent, present and future Arctic and boreal productivity and biomass changes by Hans Tømmervik, Bruce C Forbes

    Published 2020-01-01
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  4. 4
    Monitoring Winter Stress Vulnerability of High-Latitude Understory Vegetation Using Intraspecific Trait Variability and Remote Sensing Approaches

    Monitoring Winter Stress Vulnerability of High-Latitude Understory Vegetation Using Intraspecific Trait Variability and Remote Sensing Approaches by Elmar Ritz, Jarle W. Bjerke, Hans Tømmervik

    Published 2020-04-01
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  5. 5
    Impacts of snow season on ground-ice accumulation, soil frost and primary productivity in a grassland of sub-Arctic Norway

    Impacts of snow season on ground-ice accumulation, soil frost and primary productivity in a grassland of sub-Arctic Norway by Jarle W Bjerke, Hans Tømmervik, Matthias Zielke, Marit Jørgensen

    Published 2015-01-01
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  6. 6
    Extreme event impacts on CO2 fluxes across a range of high latitude, shrub-dominated ecosystems

    Extreme event impacts on CO2 fluxes across a range of high latitude, shrub-dominated ecosystems by Rachael Treharne, Jarle W Bjerke, Hans Tømmervik, Gareth K Phoenix

    Published 2020-01-01
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  7. 7
    Changes in Onset of Vegetation Growth on Svalbard, 2000–2020

    Changes in Onset of Vegetation Growth on Svalbard, 2000–2020 by Stein Rune Karlsen, Arve Elvebakk, Hans Tømmervik, Santiago Belda, Laura Stendardi

    Published 2022-12-01
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  8. 8
    Snow season variability in a boreal-Arctic transition area monitored by MODIS data

    Snow season variability in a boreal-Arctic transition area monitored by MODIS data by Eirik Malnes, Stein Rune Karlsen, Bernt Johansen, Jarle W Bjerke, Hans Tømmervik

    Published 2016-01-01
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  9. 9
    Yield Estimates by a Two-Step Approach Using Hyperspectral Methods in Grasslands at High Latitudes

    Yield Estimates by a Two-Step Approach Using Hyperspectral Methods in Grasslands at High Latitudes by Francisco Javier Ancin-Murguzur, Gregory Taff, Corine Davids, Hans Tømmervik, Jørgen Mølmann, Marit Jørgensen

    Published 2019-02-01
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  10. 10
    Time-Series of Cloud-Free Sentinel-2 NDVI Data Used in Mapping the Onset of Growth of Central Spitsbergen, Svalbard

    Time-Series of Cloud-Free Sentinel-2 NDVI Data Used in Mapping the Onset of Growth of Central Spitsbergen, Svalbard by Stein Rune Karlsen, Laura Stendardi, Hans Tømmervik, Lennart Nilsen, Ingar Arntzen, Elisabeth J. Cooper

    Published 2021-08-01
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  11. 11
    Growing season changes in Fennoscandia and Kola peninsula during the period 1982 to 1999 - Implications for reindeer husbandry (In Norwegian with Summary in English)

    Growing season changes in Fennoscandia and Kola peninsula during the period 1982 to 1999 - Implications for reindeer husbandry (In Norwegian with Summary in English) by Hans Tømmervik, Kjell-Arild Høgda, Jan Åge Riseth, Stein-Rune Karlsen, Frans Emil Wielgolaski

    Published 2005-04-01
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  12. 12
    Feasibility of hyperspectral vegetation indices for the detection of chlorophyll concentration in three high Arctic plants: Salix polaris, Bistorta vivipara, and Dryas octopetala

    Feasibility of hyperspectral vegetation indices for the detection of chlorophyll concentration in three high Arctic plants: Salix polaris, Bistorta vivipara, and Dryas octopetala by Bogdan Zagajewski, Marlena Kycko, Hans Tømmervik, Zbigniew Bochenek, Bronisław Wojtuń, Jarle W. Bjerke, Andrzej Kłos

    Published 2018-12-01
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  13. 13
    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

    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. Rem... by Helen B. Anderson, Lennart Nilsen, Hans Tømmervik, Stein Rune Karlsen, Shin Nagai, Elisabeth J. Cooper

    Published 2017-09-01
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  14. 14
    Variation in albedo and other vegetation characteristics in non-forested northern ecosystems: the role of lichens and mosses

    Variation in albedo and other vegetation characteristics in non-forested northern ecosystems: the role of lichens and mosses by Eirik A Finne, Jarle W Bjerke, Rasmus Erlandsson, Hans Tømmervik, Frode Stordal, Lena M Tallaksen

    Published 2023-01-01
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  15. 15
    Multi-Sensor Analysis of Snow Seasonality and a Preliminary Assessment of SAR Backscatter Sensitivity to Arctic Vegetation: Limits and Capabilities

    Multi-Sensor Analysis of Snow Seasonality and a Preliminary Assessment of SAR Backscatter Sensitivity to Arctic Vegetation: Limits and Capabilities by Laura Stendardi, Stein Rune Karlsen, Eirik Malnes, Lennart Nilsen, Hans Tømmervik, Elisabeth J. Cooper, Claudia Notarnicola

    Published 2022-04-01
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  16. 16
    Changes in greening in the high Arctic: insights from a 30 year AVHRR max NDVI dataset for Svalbard

    Changes in greening in the high Arctic: insights from a 30 year AVHRR max NDVI dataset for Svalbard by Hannah Vickers, Kjell Arild Høgda, Stian Solbø, Stein Rune Karlsen, Hans Tømmervik, Ronny Aanes, Brage B Hansen

    Published 2016-01-01
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  17. 17
    Intraspecific Differences in Spectral Reflectance Curves as Indicators of Reduced Vitality in High-Arctic Plants

    Intraspecific Differences in Spectral Reflectance Curves as Indicators of Reduced Vitality in High-Arctic Plants by Bogdan Zagajewski, Hans Tømmervik, Jarle W. Bjerke, Edwin Raczko, Zbigniew Bochenek, Andrzej Kłos, Anna Jarocińska, Samantha Lavender, Dariusz Ziółkowski

    Published 2017-12-01
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  18. 18
    Record-low primary productivity and high plant damage in the Nordic Arctic Region in 2012 caused by multiple weather events and pest outbreaks

    Record-low primary productivity and high plant damage in the Nordic Arctic Region in 2012 caused by multiple weather events and pest outbreaks by Jarle W Bjerke, Stein Rune Karlsen, Kjell Arild Høgda, Eirik Malnes, Jane U Jepsen, Sarah Lovibond, Dagrun Vikhamar-Schuler, Hans Tømmervik

    Published 2014-01-01
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  19. 19
    Changes in growing season duration and productivity of northern vegetation inferred from long-term remote sensing data

    Changes in growing season duration and productivity of northern vegetation inferred from long-term remote sensing data by Taejin Park, Sangram Ganguly, Hans Tømmervik, Eugénie S Euskirchen, Kjell-Arild Høgda, Stein Rune Karlsen, Victor Brovkin, Ramakrishna R Nemani, Ranga B Myneni

    Published 2016-01-01
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  20. 20
    Vulnerability and resilience of the carbon exchange of a subarctic peatland to an extreme winter event

    Vulnerability and resilience of the carbon exchange of a subarctic peatland to an extreme winter event by Frans-Jan W Parmentier, Daniel P Rasse, Magnus Lund, Jarle W Bjerke, Bert G Drake, Simon Weldon, Hans Tømmervik, Georg H Hansen

    Published 2018-01-01
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