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2021
1 Faltynkova, Andrea; Johnsen, Geir; Wagner, Martin.
Hyperspectral imaging as an emerging tool to analyze microplastics: A systematic review and recommendations for future development. Microplastics and Nanoplastics 2021
NTNU Untitled
 
2 Geoffroy, Maxime; Langbehn, Tom; Priou, Pierre; Varpe, Øystein; Johnsen, Geir; Le Bris, Arnault; Fisher, Jonathan A. D.; Daase, Malin; Mckee, David; Cohen, Jonathan H.; Berge, Jørgen.
Pelagic organisms avoid white, blue, and red artificial light from scientific instruments. Scientific Reports 2021 ;Volum 11.(1) s. -
NTNU UiT UiB NINA UNIS Untitled
 
3 Johnsen, Geir; Grant, Stephen; Bjørgum, Rune; Cohen, Jonathan; Mckee, David; Kopec, Tomasz Piotr; Zolich, Artur Piotr; Berge, Jørgen; Vogedes, Daniel Ludwig.
Pictures from an all-sky camera with hourly resolution from the light observatory at Ny-Ålesund, Svalbard, Norway (complete year 2019). UiT The Arctic University of Norway Tromsø 2021
NTNU UiT Untitled
 
4 Johnsen, Geir; Grant, Stephen; Bjørgum, Rune; Cohen, Jonathan; Mckee, David; Kopec, Tomasz Piotr; Zolich, Artur Piotr; Berge, Jørgen; Vogedes, Daniel Ludwig.
Pictures from an all-sky camera with hourly resolution from the light observatory at Ny-Ålesund, Svalbard, Norway (complete year 2020). UiT The Arctic University of Norway Tromsø 2021
NTNU UiT Untitled
 
5 Johnsen, Geir; Zolich, Artur; Grant, Stephen; Bjorgum, Rune; Cohen, Jonathan H.; Mckee, David; Kopec, Tomasz Piotr; Vogedes, Daniel Ludwig; Berge, Jorgen.
All-sky camera system providing high temporal resolution annual time series of irradiance in the arctic. Applied Optics 2021 ;Volum 60.(22) s. 6456-6468
NTNU UNIS UiT Untitled
 
6 Ringvold, Halldis; Taite, Morag; Allcock, A. Louise; Vecchione, Michael; Péan, Michel; Sandulli, Roberto; Johnsen, Geir; Fjellheim, Arne; Bakke, Snorre; Sannæs, Hanne; Synnes, Ann-Elin; Coronel, José; Hansen, Martin; Olejar, Peter; Eliassen, Geir; Eliassen, Anita; Klungland, Karl.
In situ recordings of large gelatinous spheres from NE Atlantic, and the first genetic confirmation of egg mass of Illex coindetii (Vérany, 1839) (Cephalopoda, Mollusca). Scientific Reports 2021 ;Volum 11.(1) s. -
NTNU NORCE MF HAVFORSK UIA Untitled
 
2020
7 Bakken, Sivert; Wei, J; Lee, Z; Johnsen, Geir; Johansen, Tor Arne; Montoya, J; Subramaniam, Ajit.
Hyperspectral Remote Sensing of the Amazon River Plume. Ocean Science Meeting; 2020-02-16 - 2020-02-21
NTNU Untitled
 
8 Berge, Jørgen; Geoffroy, Maxime; Daase, Malin; Cottier, Finlo Robert; Priou, Pierre; Cohen, Jonathan H.; Johnsen, Geir; Mckee, David; Kostakis, Ina; Renaud, Paul Eric; Vogedes, Daniel Ludwig; Anderson, Philip J.; Last, Kim S.; Gauthier, Stephane.
Artificial light during the polar night disrupts Arctic fish and zooplankton behavior down to 200 m depth. Communications Biology 2020 ;Volum 3. s. 1-8
NTNU UiT UNIS Untitled
 
9 Berge, Jørgen; Johnsen, Geir.
Life and Light at the Dead of Night. I: Polar night marine ecology - life and light in the dead of night. Springer 2020 ISBN 978-3-030-33208-2. s. 307-365
NTNU UiT UNIS Untitled
 
10 Berge, Jørgen; Johnsen, Geir; Cohen, Jonathan H..
Introduction. I: Polar night marine ecology - life and light in the dead of night. Springer 2020 ISBN 978-3-030-33208-2. s. 1-16
NTNU UiT UNIS Untitled
 
11 Berge, Jørgen; Johnsen, Geir; Cohen, Jonathan H..
Polar night marine ecology - life and light in the dead of night. Springer 2020 (ISBN 978-3-030-33208-2) ;Volum 4.380 s. Advances in Polar Ecology(0)
NTNU UiT UNIS Untitled
 
12 Cohen, Jonathan H.; Berge, Jørgen; Moline, Mark A.; Johnsen, Geir; Zolich, Artur Piotr.
Light in the Polar Night. I: Polar night marine ecology - life and light in the dead of night. Springer 2020 ISBN 978-3-030-33208-2. s. 37-66
NTNU UiT UNIS Untitled
 
13 Fragoso, Glaucia Moreira; Johnsen, Geir; Chauton, Matilde Skogen; Cottier, Finlo Robert; Ellingsen, Ingrid H..
Phytoplankton community succession and dynamics using optical approaches. Continental Shelf Research 2020 ;Volum 213. s. -
OCEAN NTNU UiT UNIS Untitled
 
14 Johnsen, Geir.
Centre of Autonomous Marine Operations & Systems (AMOS) - selcted research activities. PRIME + EELS Ocean Worlds Arctic Collaboration (OWAC) Workshop; 2020-02-26 - 2020-02-28
NTNU Untitled
 
15 Johnsen, Geir; Leu, Eva; Gradinger, Rolf.
Marine Micro- and Macroalgae in the Polar Night. I: Polar night marine ecology - life and light in the dead of night. Springer 2020 ISBN 978-3-030-33208-2. s. 67-112
UiT UNIS NTNU Untitled
 
16 Johnsen, Geir; Mogstad, Aksel Alstad; Berge, Jørgen; Cohen, Jonathan H..
Operative Habitat Mapping and Monitoring in the Polar Night. I: Polar night marine ecology - life and light in the dead of night. Springer 2020 ISBN 978-3-030-33208-2. s. 277-305
NTNU UiT UNIS Untitled
 
17 Mogstad, Aksel Alstad; Ødegård, Øyvind; Nornes, Stein Melvær; Ludvigsen, Martin; Johnsen, Geir; Sørensen, Asgeir Johan; Berge, Jørgen.
Mapping the Historical Shipwreck Figaro in the High Arctic Using Underwater Sensor-Carrying Robots. Remote Sensing 2020 ;Volum 12.(6) s. -
NTNU UiT UNIS Untitled
 
18 Ramirez-Llodra, Eva; Hilário, Ana; Paulsen, Emil; Costa, Carolina; Bakken, Torkild; Johnsen, Geir; Rapp, Hans Tore.
Benthic Communities on the Mohn’s Treasure Mound: Implications for Management of Seabed Mining in the Arctic Mid-Ocean Ridge. Frontiers in Marine Science 2020 ;Volum 7. s. -
NIVA NORCE NTNU UiB UNIS Untitled
 
19 Saad, Aya; Stahl, Annette; Våge, Andreas; Davies, Emlyn John; Nordam, Tor; Aberle-Malzahn, Nicole; Ludvigsen, Martin; Johnsen, Geir; Sousa, João; Rajan, Kanna.
Advancing Ocean Observation with an AI-driven Mobile Robotic Explorer. Oceanography 2020 ;Volum 33.(3) s. 50-59
OCEAN NTNU Untitled
 
2019
20 Fossum, Trygve Olav; Fragoso, Glaucia Moreira; Davies, Emlyn John; Ullgren, Jenny; Mendes, Renato; Johnsen, Geir; Ellingsen, Ingrid H.; Eidsvik, Jo; Ludvigsen, Martin; Rajan, Kanna.
Toward adaptive robotic sampling of phytoplankton in the coastal ocean. Science robotics 2019 ;Volum 4.(27) s. -
OCEAN NTNU UNIS Untitled
 
21 Fragoso, Glaucia Moreira; Davies, Emlyn John; Ellingsen, Ingrid H.; Chauton, Matilde Skogen; Fossum, Trygve Olav; Ludvigsen, Martin; Steinhovden, Kristine; Rajan, Kanna; Johnsen, Geir.
Physical controls on phytoplankton size structure, photophysiology and suspended particles in a Norwegian biological hotspot. Progress in Oceanography 2019 ;Volum 175. s. 284-299
OCEAN NTNU UNIS Untitled
 
22 Fragoso, Glaucia Moreira; Poulton, Alex James; Pratt, Nicola Jane; Johnsen, Geir; Purdie, Duncan Alastair.
Trait-based analysis of subpolar North Atlantic phytoplankton and plastidic ciliate communities using automated flow cytometer. Limnology and Oceanography 2019 ;Volum 64.(4) s. 1763-1778
UNIS Untitled
 
23 Kauko, Hanna Maria; Pavlov, Alexey; Johnsen, Geir; Granskog, Mats; Peeken, Ilka; Assmy, Philipp.
Photoacclimation state of an Arctic underice phytoplankton bloom. Journal of Geophysical Research (JGR): Oceans 2019 ;Volum 124.(3) s. 1750-1762
NPI NTNU UNIS Untitled
 
24 Kleiven, Wanda; Johnsen, Geir; Ardelan, Murat Van.
Sea surface microlayer and elemental composition in phaeo-, chloro-, and rhodophytes in winter and spring. Journal of Phycology 2019 ;Volum 55. s. 762-774
NTNU UNIS Untitled
 
25 Mogstad, Aksel Alstad; Johnsen, Geir; Ludvigsen, Martin.
Shallow-Water Habitat Mapping using Underwater Hyperspectral Imaging from an Unmanned Surface Vehicle: A Pilot Study. Remote Sensing 2019 ;Volum 11.(6) s. -
NTNU UNIS Untitled
 
26 Pavlov, Alexey K.; Leu, Eva; Hanelt, Dieter; Bartsch, Inka; Karsten, Ulf; Hudson, Stephen; Gallet, Jean-Charles; Cottier, Finlo Robert; Cohen, Jonathan H.; Berge, Jørgen; Johnsen, Geir; Maturilli, Marion; Kowalczuk, Piotr; Sagan, Slawomir; Meler, Justyna; Granskog, Mats.
The Underwater Light Climate in Kongsfjorden and Its Ecological Implications. I: The Ecosystem of Kongsfjorden, Svalbard. Springer 2019 ISBN 978-3-319-46423-7. s. 137-170
NPI NTNU UiT UNIS Untitled
 
27 Ødegård, Øyvind; Johnsen, Geir; Sørensen, Asgeir Johan; Ludvigsen, Martin; Geoffroy, Maxime; Berge, Jørgen.
Shipwrecks in the Arctic – knowledge gaps illustrated by a case from Svalbard. ArcticNet Anuual Scientific Meeting 2019; 2019-12-02 - 2019-12-05
NTNU UiT Untitled
 
2018
28 Johnsen, Geir; Norli, Marit; Moline, Mark A.; Robbins, Ian; Quillfeldt, Cecilie von; Sørensen, Kai; Cottier, Finlo Robert; Berge, Jørgen.
The advective origin of an under-ice spring bloom in the Arctic Ocean using multiple observational platforms. Polar Biology 2018 ;Volum 41.(6) s. 1197-1216
NIVA NPI NTNU UiT UNIS Untitled
 
29 Berge, Jørgen; Cottier, Finlo; Johnsen, Geir; Kintisch, Eli.
“Thaw” episode 1 of 3 – What melting sea ice means for life in the Arctic. Vox [Internett] 2018-04-09
NTNU UiT Untitled
 
30 Berge, Jørgen; Cottier, Finlo; Johnsen, Geir; Kintisch, Eli.
“Thaw”, episode 2 of 3 - How a warmer Arctic could intensify extreme weather. Vox [Internett] 2018-04-17
NTNU UiT Untitled
 
31 Berge, Jørgen; Cottier, Finlo; Johnsen, Geir; Kintisch, Eli.
“Thaw”, episode 3 of 3, Why Atlantic fish are inviding the Arctic. Vox [Internett] 2018-04-23
NTNU UiT Untitled
 
32 Berge, Jørgen; Johnsen, Geir.
Lysforurensning - enda en kilde til bekymring. Svalbardposten 2018
NTNU UiT Untitled
 
33 Berge, Jørgen; Johnsen, Geir.
Lysforurensning truer livet i Arktis. Aftenposten Vitenskap 2018
NTNU UiT Untitled
 
34 Davies, Emlyn John; Fragoso, Glaucia Moreira; Johnsen, Geir; Ellingsen, Ingrid H..
Combining optics, imaging and artificial intelligence for in-situ characterisation of complex particle populations. AGU Ocean Sciences; 2018-02-11 - 2018-02-16
OCEAN NTNU Untitled
 
35 Dumke, Ines; Ludvigsen, Martin; Ellefmo, Steinar Løve; Søreide, Fredrik; Johnsen, Geir; Murton, Bramley J..
Underwater Hyperspectral Imaging Using a Stationary Platform in the Trans-Atlantic Geotraverse Hydrothermal Field. IEEE Transactions on Geoscience and Remote Sensing 2018 ;Volum 57.(5) s. 2947-2962
NTNU Untitled
 
36 Dumke, Ines; Nornes, Stein Melvær; Purser, Autun; Marcon, Yann; Ludvigsen, Martin; Ellefmo, Steinar Løve; Johnsen, Geir; Søreide, Fredrik.
First hyperspectral imaging survey of the deep seafloor: High-resolution mapping of manganese nodules. Remote Sensing of Environment 2018 ;Volum 209. s. 19-30
NTNU Untitled
 
37 Dumke, Ines; Purser, Autun; Marcon, Yann; Nornes, Stein Melvær; Johnsen, Geir; Ludvigsen, Martin; Søreide, Fredrik.
Underwater hyperspectral imaging as an in situ taxonomic tool for deep-sea megafauna. Scientific Reports 2018 ;Volum 8.(1)
NTNU UNIS Untitled
 
38 Fjærtoft, Kaja Lønne.
Macroalgal detritus: Physical variables and impacts on the benthic macrofaunal community. Trondheim: Norges teknisk-naturvitenskapelige universitet 2018 63 s.
NTNU Untitled
 
39 Fossum, Trygve Olav; Eidsvik, Jo; Ellingsen, Ingrid H.; Alver, Morten; Fragoso, Glaucia Moreira; Johnsen, Geir; Mendes, Renato; Ludvigsen, Martin; Rajan, Kanna.
Information-driven robotic sampling in the coastal ocean. Journal of Field Robotics (JFR) 2018 ;Volum 35.(7) s. 1101-1121
OCEAN NTNU UNIS Untitled
 
40 Fragoso, Glaucia Moreira; Poulton, Alex J.; Yashayaev, Igor M.; Head, Erica J.H.; Johnsen, Geir; Purdie, Duncan A..
Diatom biogeography from the Labrador Sea revealed through a trait-based approach. Frontiers in Marine Science 2018 ;Volum 5. s. -
NTNU UNIS Untitled
 
41 Gabrielsen, Tove M.; Johnsen, Geir.
Skogen på Svalbard. Svalbardposten 2018 (21) s. 16-16
NTNU UNIS Untitled
 
42 Geoffroy, Maxime; Berge, Jørgen; Majaneva, Sanna Kristiina; Johnsen, Geir; Langbehn, Tom; Cottier, Finlo Robert; Mogstad, Aksel Alstad; Zolich, Artur Piotr; Last, Kim.
Increased occurrence of the jellyfish Periphylla periphylla in the European high Arctic. Polar Biology 2018 s. 1-5
UiT NTNU UNIS UiB Untitled
 
43 Johnsen, Geir.
Light as a cue for life - Arctic. Kunstakademiet - invitert foredrag; 2018-04-05 - 2018-04-05
NTNU Untitled
 
44 Johnsen, Geir.
Light as a cue of life - Arctic. Arktis; 2018-02-22 - 2018-02-22
NTNU Untitled
 
45 Johnsen, Geir.
Polar night - light as a cue of life. Seminar at Hawaiian Inst of marine biology (HIMB), University of Hawaii at Manoa; 2018-10-31 - 2018-10-31
NTNU Untitled
 
46 Johnsen, Geir.
Underwater hyperspectral imaging for marine biological applications. Seminar at University of Hawaii at Manoa; 2018-09-21 - 2018-09-21
NTNU Untitled
 
47 Johnsen, Geir; Berge, Jørgen.
Polarnatt. Polarnatts seminar med muliggjørende teknologi; 2018-01-12 - 2018-01-12
NTNU UiT Untitled
 
48 Johnsen, Geir; Berge, Jørgen; Sørensen, Asgeir Johan.
Enabling technology fort marine ecology. Conference; 2018-01-18 - 2018-01-20
NTNU UiT Untitled
 
49 Johnsen, Geir; Berge, Jørgen; Sørensen, Asgeir Johan.
Marin polarnatt. 30 årsjubileum Vitensenteret i Trondheim; 2018-03-09 - 2018-03-09
NTNU UiT Untitled
 
50 Johnsen, Geir; Hanger, Mari Rian.
Manglende interesse for å bruke Ny Ålesund for å utdanne neste generasjons polarforskere.. Universitetsavisa [Tidsskrift] 2018-12-13
NTNU Untitled
 
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