Sigrun Jonasdottir

Sigrun Jonasdottir

Senior Researcher

DTU AQUA
National Institute of Aquatic Resources

Section for Oceans and Arctic

Technical University of Denmark

Henrik Dams Allé

Building 202, room 4137

2800 Kgs. Lyngby

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News from DTU

2023
13 MAR

Fat copepods sequester carbon

New publication estimates that a significant amount of carbon (13 to 35 GtC) is sequestered in the deep oceans by seasonally migrating copepods. 

2022
Færøerne Kick-off tur DTU Aqua North Atlantic Marine Research collaboration
11 MAR

​ North Atlantic Marine Research Projects kick-off in Torshavn

BlueOcean, led by DTU Aqua, is one of four projects receiving funding from The Marine Research Programme of the North Atlantic Ocean and involving DTU Aqua. Beginning of March, researchers came to Tórshavn from Greenland, The Fareo Islands and Denmark to kick off the new marine co-research projects.

Ecosystems
2017
Calanus hyperboreus and the lipid pump
06 MAR

Calanus hyperboreus and the lipid pump

A new Ocean Life paper shows that overwintering of the copepod Calanus hyperboreus contributes significantly to the sequestration of carbon.  We propose a general method, based on metabolic theory, as to how a global inventory can be built for observation-poor species in other parts of the world’s oceans.

2015
Sigrún Jónasdóttir. Foto: Joachim Rode.
12 NOV

Doctoral thesis on fatty acids in marine ecosystems

Senior Research Scientist Sigrún Jónasdóttir will be defending her doctoral thesis on copepods at DTU—Technical University of Denmark. Not only do copepods ensure that we can get vital omega-3 fatty acids, they also remove large amounts of carbon dioxide from the atmosphere.

Marine research Ecosystems
Photo: Joachim Rode
02 NOV

Three researchers about to defend their doctoral theses

Three DTU researchers will defend their doctoral theses this autumn.

Construction and mechanics Wind energy Catalysis Marine research
Calanus finmarchicus. Foto: Sigrun Jonasdottir.
08 SEP

Copepod migrations are important for the ocean’s uptake of CO2

Zooplankton no bigger than grains of rice play a much larger role in the transport and storage of  CO2 in the ocean than previously thought

Marine research Climate change