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New insights on ocean circulation and the fate of organic carbon in the Arctic Ocean

General

Department
Project start
01.08.2019
Project end
31.07.2023
Type of project
Research
Project theme
Ocean & fiord systems
Project topic
Carbon
Oceanography

Fieldwork / Study

Fieldwork country
Arctic Oceans and various regions
Fieldwork region
Fram Strait
Fieldwork location

Geolocation is 79.025350407339, -1.9648620596344

Fieldwork start
01.08.2019
Fieldwork end
01.08.2019

Fieldwork / Study

Fieldwork country
Arctic Oceans and various regions
Fieldwork region
Fram Strait
Fieldwork location

Geolocation is 79.025350407339, -1.9648620596344

Fieldwork start
01.08.2020
Fieldwork end
31.08.2020

Fieldwork / Study

Fieldwork country
Arctic Oceans and various regions
Fieldwork region
Fram Strait
Fieldwork location

Geolocation is 79.025350407339, -1.9648620596344

Fieldwork start
01.08.2021
Fieldwork end
31.08.2021

Project details

29.10.2019
Science / project plan

Two defining characteristics of the Arctic Ocean are the strong salinity stratification and the high concentration of terrestrial organic matter in surface waters. Water bodies formed during coastal sea ice formation serve to maintain this layered structure across the basin. We have developed techniques to trace terrestrial organic matter in the ocean and hypothesize that combining these methods with radioisotopes will enable the use of organic matter as an indicator of water mass origin and for tracing the flow of carbon in the Arctic from land to the world’s oceans. We will also investigate how organic matter can persist and resist photochemical and microbial degradation during its transit through the Arctic to the North Atlantic. This project will provide the mechanistic descriptions required to quantify the impacts on carbon budgets and offer new tracers for following and understanding changes in Arctic Ocean circulation.

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