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 Truls Johannessen sits on this spectrum.
This scientist: 241 publications — 76th percentile
76% 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 Truls Johannessen sits on this spectrum.
This scientist: 43 D-Index — 29th percentile
29% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 125 D-Index or more.
Truls Johannessen is a researcher affiliated with the University of Bergen in Norway, active primarily in the field of Earth and Planetary Sciences. Their work focuses on several subfields, including Oceanography, Ecology, Geology, Environmental Chemistry, and Global and Planetary Change. The main topics of Johannessen's research include Ocean Acidification Effects and Responses, Marine and Coastal Ecosystems, Marine Biology and Ecology Research, Coral and Marine Ecosystems Studies, Geological Studies and Exploration, Methane Hydrates and Related Phenomena, and Atmospheric and Environmental Gas Dynamics.
Johannessen has contributed to multiple publications in notable journals and scientific outlets. Some of the recent papers include:
The most frequent venues for Johannessen's publications include Zenodo (CERN European Organization for Nuclear Research), Biogeosciences, Journal of Marine Systems, Frontiers in Marine Science, and Regional Studies in Marine Science. Their research contributions are associated with thirteen publications in Oceanography, two in Ecology, two in Geology, two in Environmental Chemistry, and one in Global and Planetary Change.
Collaborative research is a significant aspect of Johannessen's work. Frequent coauthors include Are Olsen, Ingunn Skjelvan, Abdirahman M Omar, Hanne Sagen, and Agnieszka Beszczyńska-Möller. These collaborations have contributed to advancing understanding in marine and atmospheric sciences relevant to ocean acidification and related environmental changes.
C. Le Quéré;R. Moriarty;R. M. Andrew;G. P. Peters
Taro Takahashi;Stewart C. Sutherland;Rik H. Wanninkhof;Colm Sweeney
Corinne Le Quéré;Robbie M. Andrew;Pierre Friedlingstein;Stephen Sitch
Dorothee C. E. Bakker;Benjamin Pfeil;Benjamin Pfeil;Camilla S. Landa;Camilla S. Landa;Nicolas Metzl
Michael R. Talbot;Truls Johannessen
Denis Pierrot;Craig Neill;Craig Neill;Kevin Sullivan;Robert Castle
Michael Sarnthein;Eystein Jansen;Mara Weinelt;Maurice Arnold
T Takahashi;SC Sutherland;R Wanninkhof;C Sweeney
Taro Takahashi;Stewart C. Sutherland;Rik H. Wanninkhof;Colm Sweeney
B. Pfeil;B. Pfeil;B. Pfeil;A. Olsen;D.C.E. Bakker;S. Hankin
Andrew J. Watson;Ute Schuster;Dorothee C. E. Bakker;Nicholas R. Bates
Truls Johannessen;Eystein Jansen;Astrid Flatøy;Ana Christina Ravelo;Ana Christina Ravelo
Dorothee C. E. Bakker;Benjamin Pfeil;Benjamin Pfeil;K. Smith;K. Smith;S. Hankin
C.L. Sabine;S. Hankin;H. Koyuk;H. Koyuk;D.C.E. Bakker
T. Takahashi;S. C. Sutherland;R. Wanninkhof;C. Sweeney
M. Telszewski;A. Chazottes;U. Schuster;A. J. Watson
R. G. J. Bellerby;Kai Schulz;Ulf Riebesell;C. Neill
Jean-Claude Gascard;Andrew J. Watson;Marie-José Messias;K. Anders Olsson
Are Olsen;Are Olsen;Abdirahman M. Omar;Abdirahman M. Omar;Richard G. J. Bellerby;Richard G. J. Bellerby;Truls Johannessen;Truls Johannessen
Nathalie Lefèvre;Andrew J. Watson;Are Olsen;Are Olsen;Aida F. Ríos
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