The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Geir Johnsen sits on this spectrum.
This scientist: 169 publications — 51st percentile
51% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 687 publications or more.
The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Geir Johnsen sits on this spectrum.
This scientist: 55 D-Index — 61st percentile
61% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 125 D-Index or more.
Geir Johnsen is affiliated with the Norwegian University of Science and Technology in Norway. Their research spans Environmental Science and Earth and Planetary Sciences, with a significant focus on Oceanography and Ecology among related subfields. Their scientific work addresses various aspects of marine environments, including long-term ecological changes and pollution effects.
The scientist's main fields of study include:
Their work delves into several subfields:
Johnsen's research topics cover diverse marine and ecological themes such as:
The scientist has published multiple papers capturing advancements and observations in marine science and remote sensing technologies. Selected recent papers include:
Johnsen's frequent co-authors include:
The scientist has also contributed to academic book publications. Notably, they authored a book titled POLAR NIGHT Marine Ecology, published in 2020 by Springer International Publishing.
Johnsen's research output appears in specific publication venues with multiple contributions, including:
Suzanne Roy;Carole A. Llewellyn;Einar Skarstad Egeland;Geir Johnsen
Jørgen Berge;Geir Johnsen;Frank Nilsen;Bjørn Gulliksen
Philipp Assmy;Mar Fernández-Méndez;Pedro Duarte;Amelie Meyer
Marianne Nymark;Kristin C. Valle;Tore Brembu;Kasper Hancke
David F. Millie;Oscar M. Schofield;Gary J. Kirkpatrick;Geir Johnsen
Harald Bredholt;Espen Fjærvik;Geir Johnsen;Sergey B. Zotchev
Stein Bondevik;John Inge Svendsen;Geir Johnsen;Jan Mangerud
Geir Johnsen;Egil Sakshaug
Geir Helge Johnsen;Per Johan Jakobsen
Jørgen Berge;Paul E. Renaud;Gerald Darnis;Finlo Cottier
Jørgen Berge;Finlo Cottier;Øystein Varpe
Jørgen Berge;Malin Daase;Paul E. Renaud;William G. Ambrose
Geir Johnsen;Egil Sakshaug
Marianne Nymark;Kristin Collier Valle;Kasper Hancke;Per Winge
Unknown
David F. Millie;Oscar M. E. Schofield;Gary J. Kirkpatrick;Geir Johnsen
Christophe Brunet;Geir Johnsen;Johann Lavaud;Suzanne Roy
Joe Grzymski;Geir Johnsen;Egil Sakshaug
Egil Sakshaug;Geir Johnsen;Kjersti Andresen;Maria Vernet
F. Rodríguez;M. Chauton;G. Johnsen;K. Andresen
Suzanne Roy;Carole A. Llewellyn;Einar Skarstad Egeland;Geir Johnsen
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