Ceilometer Backscatter Profiles Ceilometer CL51 (Photo: Alfred Wegener Institut) In October 2010 the Ceilometer CL51 ( VAISALA , Finnland) was mounted on the monkey deck of Polarstern. It is able to measure

Contact Postal address, fax and e-mail Site map of Helgoland (Photo: Alfred Wegener Institut) AWI Center for Scientific Diving Kurpromenade 201 27498 Helgoland Phone: see staff list Fax: 0471 4831 - 3369

ecology, sea ice. Irene Schloss: Hydrography, biology potter_cove_Anders_Torstensson.jpg (Photo: Alfred-Wegener-Institut) Zooplankton time series of the Polarstern expeditions Background Several long-term [...] Summary of Polarstern stations in the Antarctic where zooplankton was sampled and analyzed (Photo: Alfred-Wegener-Institut)

Solar altitude, daily maximum and minimum at Neumayer (Photo: Alfred Wegener Institut) Day and night at Neumayer (Photo: Alfred Wegener Institut) Civil Twilight: The sun is less that 6° below the horizon

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

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

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

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

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