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The planned airborne campaign AGAMES "Antarctic Trace Gas and Aerosol Airborne Measurement Study" in 2005/06 had to be postponed because of an accident with POLAR 4 in Halley during the Ferry back from Antarctica in January 2005. The POLAR 4 was seriously damaged and all planned airborne activities were postponed. The ground based aerosol measurements at Neumayer were continued and additional a special aerosol programme has been performed at Kohnen to quantify the differences in the aerosol loading between coastal and plateau area.
In preparation of the IPY activity POLAR AOD Network which ground-based measuring activities in Antarctica have been performed a special intercomparison campaign in Ny-Aalesund, Arctic. The polar Sun show was from end from 23 March to 5 April 2006 at Ny-Aalesund on Spitzbergen, Norway, with the support of AWI and ISAC-CNR Institute and NIPR Tokyo. The campaign was also partly supported by SCAR - AGCS programme. The concerted data-recording operation represents essential groundwork towards the assessment of polar air pollution, based on the Polar AOD Network, which will be started in the International Polar Year 2007. At that time, the aerosol programme, operating with previously limited comparability and accuracy, will measure aerosols to determine pollution levels from 21 involved countries throughout the Arctic and Antarctic. Twenty scientists from nine nations are gathered at the AWIPEV Base to inter-compare their spectral radiometers.
Andreas Herber