The project is funded by the AUF Bremen. Aquarium shelf (Photo: Alfred-Wegener-Institut / H. Müller-Elsner) (Photo: Alfred Wegener Institut)

EA: Elemental analyzer EA - Elemental analyzer (Photo: Alfred-Wegener-Institut / G. Mollenhauer) The EA converts carbon contained in organic (soil, plant material, specific compounds etc.) samples into

Vacuum line AGE GIS PFC MICADAS key features Accelerator unit of the AWI MICADAS (Photo: Alfred-Wegener-Institut / T. Gentz) 200kV accelerator Helium stripping, 47% 14 C transmission Permanent ("Green")

( BMWi ) and the Central Innovation Programme for SMEs ( ZIM ) Inside ZAF Center (Photo: Alfred Wegener Institut)

Sample processing AWI MICADAS sample processing workflow (Graphic: Alfred-Wegener-Institut / T. Gentz) In the 14 C laboratory at the AWI, samples from various materials can be analyzed by accelerator mass

AGE: Automated Graphitization Equippment Automated Graphitization (Photo: Alfred-Wegener-Institut / J.Hefter) Graphite targets are customarily required for radiocarbon measurements. For this purpose, CO

CHS: Carbonate-Handling-System CHS - Carbonate handling system (Photo: Alfred-Wegener-Institut / G. Mollenhauer) The CHS converts carbonate samples to CO 2 . It consists of an autosampler with a double

GIS: Gas Interface System GIS - Gas interface system (Photo: Alfred-Wegener-Institut / G. Mollenhauer) The GIS facilitates the direct measurement of CO 2 (instead of graphite) in the MICADAS and thus of

Vacuum line Sealing of a glass ampulla containing a CO2 sample (Photo: Alfred-Wegener-Institut) Various freezing and melting operations can be carried out on a vacuum line, so that pure CO 2 can be sealed

evidence-based interventions to enable the sustainable development of the Arctic. Partners: 1 ALFRED-WEGENER-INSTITUT HELMHOLTZ-ZENTRUM FUER POLAR- UND MEERESFORSCHUNG Germany 2 STOCKHOLMS UNIVERSITET Sweden