المؤلفون: Hans Tømmervik, Tommaso Julitta, Lennart Nilsen, Taejin Park, Andreas Burkart, Katarzyna Ostapowicz, Stein Rune Karlsen, Frans-Jan Parmentier, Norbert Pirk, Jarle W. Bjerke

المصدر: Data in Brief, Vol 50, Iss , Pp 109581- (2023)

مصطلحات موضوعية: Chlorophyll fluorescence, Solar Induced Fluorescence (SIF), Reflectance, Photosynthetic function, MERIS terrestrial chlorophyll index (MTCI), High-Arctic tundra, Computer applications to medicine. Medical informatics, R858-859.7, Science (General), Q1-390

وصف الملف: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2352340923006807; https://doaj.org/toc/2352-3409

URL الوصول: https://doaj.org/article/1d42c2a218e4442a953ed6c9a35af031

المؤلفون: Anna Zmarz, Stein Rune Karlsen, Marlena Kycko, Małgorzata Korczak-Abshire, Izabela Gołębiowska, Izabela Karsznia, Katarzyna Chwedorzewska

المصدر: Frontiers in Environmental Science, Vol 11 (2023)

مصطلحات موضوعية: UAV, King George Island, the Antarctic, NDVI, vegetation, Environmental sciences, GE1-350

وصف الملف: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fenvs.2023.1154115/full; https://doaj.org/toc/2296-665X

URL الوصول: https://doaj.org/article/8ab4b9e36b7d4ee08795721748428ae5

المؤلفون: Stein Rune Karlsen, Arve Elvebakk, Hans Tømmervik, Santiago Belda, Laura Stendardi

المصدر: Remote Sensing, Vol 14, Iss 24, p 6346 (2022)

مصطلحات موضوعية: MODIS, NDVI, time series, onset of vegetation growth, trend, Arctic, Science

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2072-4292/14/24/6346; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/9611663a1c3843e097ca8264671203b6

المؤلفون: Laura Stendardi, Stein Rune Karlsen, Eirik Malnes, Lennart Nilsen, Hans Tømmervik, Elisabeth J. Cooper, Claudia Notarnicola

المصدر: Remote Sensing, Vol 14, Iss 8, p 1866 (2022)

مصطلحات موضوعية: remote sensing, Sentinel-1 and Sentinel-2, time series analysis, snow melt, Svalbard, tundra, Science

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2072-4292/14/8/1866; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/2b884029a347498a8d49d977f4eb3cc7

المؤلفون: Marc Macias-Fauria, Stein Rune Karlsen, Bruce C. Forbes

المصدر: Scientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)

مصطلحات موضوعية: Medicine, Science

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2045-2322

URL الوصول: https://doaj.org/article/0081ae6fe1e74828b054e7bd9329d5b3

المؤلفون: Stein Rune Karlsen, Laura Stendardi, Hans Tømmervik, Lennart Nilsen, Ingar Arntzen, Elisabeth J. Cooper

المصدر: Remote Sensing, Vol 13, Iss 15, p 3031 (2021)

مصطلحات موضوعية: Sentinel-2, NDVI, time-series, onset of growth, Svalbard, Science

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2072-4292/13/15/3031; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/afca92d5bf9049ba98699c6c5c52c8c0

المؤلفون: Hannah Vickers, Eirik Malnes, Ward J. J. van Pelt, Veijo A. Pohjola, Mari Anne Killie, Tuomo Saloranta, Stein Rune Karlsen

المصدر: Remote Sensing, Vol 13, Iss 10, p 2002 (2021)

مصطلحات موضوعية: polar regions, snow cover, remote sensing, snow modelling, MODIS, Sentinel-2, Science

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2072-4292/13/10/2002; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/84b2905a17cc4970bd28ca66fb84f435

المؤلفون: Shridhar D. Jawak, Bo N. Andersen, Veijo A. Pohjola, Øystein Godøy, Christiane Hübner, Inger Jennings, Dariusz Ignatiuk, Kim Holmén, Agnar Sivertsen, Richard Hann, Hans Tømmervik, Andreas Kääb, Małgorzata Błaszczyk, Roberto Salzano, Bartłomiej Luks, Kjell Arild Høgda, Rune Storvold, Lennart Nilsen, Rosamaria Salvatori, Kottekkatu Padinchati Krishnan, Sourav Chatterjee, Dag A. Lorentzen, Rasmus Erlandsson, Tom Rune Lauknes, Eirik Malnes, Stein Rune Karlsen, Hiroyuki Enomoto, Ann Mari Fjæraa, Jie Zhang, Sabine Marty, Knut Ove Nygård, Heikki Lihavainen

المصدر: Remote Sensing, Vol 13, Iss 4, p 712 (2021)

مصطلحات موضوعية: earth observation, remote sensing, COVID-19, Svalbard, earth system science, SIOS, Science

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2072-4292/13/4/712; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/24f3d822057c49a299f745aaa5a024ab

المؤلفون: Hannah Vickers, Stein Rune Karlsen, Eirik Malnes

المصدر: Remote Sensing, Vol 12, Iss 7, p 1123 (2020)

مصطلحات موضوعية: snow cover, remote sensing, sea ice variability, vegetation growth, arctic climate change, Science

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2072-4292/12/7/1123; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/89bb70d33f1f460886a9747abd8e93ef

المؤلفون: Stein Rune Karlsen, Arve Elvebakk, Kjell Arild Høgda, Tom Grydeland

المصدر: Remote Sensing, Vol 6, Iss 9, Pp 8088-8106 (2014)

مصطلحات موضوعية: onset of the growing season, Salix polaris, Svalbard, high arctic, MODIS-NDVI, trends, variability, Science

وصف الملف: electronic resource

Relation: http://www.mdpi.com/2072-4292/6/9/8088; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/851a50b556144cf1b467c72ba0706f42

المؤلفون: Laura Stendardi, Stein Rune Karlsen, Georg Niedrist, Renato Gerdol, Marc Zebisch, Mattia Rossi, Claudia Notarnicola

المصدر: Remote Sensing, Vol 11, Iss 5, p 542 (2019)

مصطلحات موضوعية: Sentinel-1 and Sentinel-2, time series analysis, start of season, harvest, mountain region, Science

وصف الملف: electronic resource

Relation: http://www.mdpi.com/2072-4292/11/5/542; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/1f48ce7bf30049d9ae18f666efad650a

المؤلفون: Stein Rune Karlsen, Hans Tømmervik, Kjell Arild Høgda

المصدر: Remote Sensing, Vol 5, Iss 9, Pp 4304-4318 (2013)

مصطلحات موضوعية: phenology, start of the growing season, NDVI time series, NDVI3g, Fennoscandia, vegetation regions, temporal trends, Science

وصف الملف: electronic resource

Relation: http://www.mdpi.com/2072-4292/5/9/4304; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/93396e41b1e4415b89f70b680f6ce5dd

المؤلفون: Stein Rune Karlsen, Helen B Anderson, René van der Wal, Brage Bremset Hansen

المصدر: Environmental Research Letters, Vol 13, Iss 2, p 025011 (2018)

مصطلحات موضوعية: cloud cover, plant productivity, MODIS, NDVI, svalbard, high arctic, Environmental technology. Sanitary engineering, TD1-1066, Environmental sciences, GE1-350, Science, Physics, QC1-999

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1748-9326

URL الوصول: https://doaj.org/article/22f92a00fdc94bcda071afcc1f9de984

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

المصدر: Remote Sensing, Vol 9, Iss 10, p 1003 (2017)

مصطلحات موضوعية: n/a, Science

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2072-4292/9/10/1003; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/e9faa135ab9f4a66ba1742b5e739cbf7

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

المصدر: Remote Sensing, Vol 8, Iss 10, p 847 (2016)

مصطلحات موضوعية: NDVI, greenness index, RGB camera, vegetation, phenology, active sensor, passive sensor, Svalbard, Science

وصف الملف: electronic resource

Relation: http://www.mdpi.com/2072-4292/8/10/847; https://doaj.org/toc/2072-4292

URL الوصول: https://doaj.org/article/e0b8ae94a7374622a63238c4848d1330

المؤلفون: Hannah Vickers, Kjell Arild Høgda, Stian Solbø, Stein Rune Karlsen, Hans Tømmervik, Ronny Aanes, Brage B Hansen

المصدر: Environmental Research Letters, Vol 11, Iss 10, p 105004 (2016)

مصطلحات موضوعية: reduced greening trend, satellite observations of vegetation, 30 year time series of NDVI on Svalbard, effects of warming on vegetation productivity, Environmental technology. Sanitary engineering, TD1-1066, Environmental sciences, GE1-350, Science, Physics, QC1-999

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1748-9326

URL الوصول: https://doaj.org/article/91f84b4482c14b33a38f5ab9cb1a9256

المؤلفون: Eirik Malnes, Stein Rune Karlsen, Bernt Johansen, Jarle W Bjerke, Hans Tømmervik

المصدر: Environmental Research Letters, Vol 11, Iss 12, p 125005 (2016)

مصطلحات موضوعية: snow, MODIS, first snow free day, last snow free day, climate change, onset of spring, Environmental technology. Sanitary engineering, TD1-1066, Environmental sciences, GE1-350, Science, Physics, QC1-999

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1748-9326

URL الوصول: https://doaj.org/article/a04ce14a29cd46e9aa0da91c8bdb2010

المؤلفون: Taejin Park, Sangram Ganguly, Hans Tømmervik, Eugénie S Euskirchen, Kjell-Arild Høgda, Stein Rune Karlsen, Victor Brovkin, Ramakrishna R Nemani, Ranga B Myneni

المصدر: Environmental Research Letters, Vol 11, Iss 8, p 084001 (2016)

مصطلحات موضوعية: photosynthetically active growing season, gross primary productivity, boreal and arctic, remote sensing, climate change, AVHRR, Environmental technology. Sanitary engineering, TD1-1066, Environmental sciences, GE1-350, Science, Physics, QC1-999

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1748-9326

URL الوصول: https://doaj.org/article/aa7c0fa92f3f4ad68002d0b9f795c5aa

المؤلفون: Jarle W Bjerke, Stein Rune Karlsen, Kjell Arild Høgda, Eirik Malnes, Jane U Jepsen, Sarah Lovibond, Dagrun Vikhamar-Schuler, Hans Tømmervik

المصدر: Environmental Research Letters, Vol 9, Iss 8, p 084006 (2014)

مصطلحات موضوعية: anomalous weather events, disturbance, extreme events, NDVI, long-term monitoring series, pathogens, Environmental technology. Sanitary engineering, TD1-1066, Environmental sciences, GE1-350, Science, Physics, QC1-999

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1748-9326

URL الوصول: https://doaj.org/article/3b8bf3f8bcd34e8f86c0d3ae5053d7d4

المؤلفون: R. Justin Irvine, Stein Rune Karlsen, Erik A. Hobbie, Lily Z. Zhao, Albert S. Colman, Gerard Olack

المصدر: Polar Biology. 42:793-805

مصطلحات موضوعية: 0106 biological sciences, Herbivore, δ13C, Ecology, 010604 marine biology & hydrobiology, Growing season, Svalbard reindeer, δ15N, Biology, biology.organism_classification, 010603 evolutionary biology, 01 natural sciences, Arctic, General Agricultural and Biological Sciences, Isotope analysis, Trophic level

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::acea152276d82318e081c632333b8089
https://doi.org/10.1007/s00300-019-02474-8