News

The Arctic campaign PAM-ARCMIP (Pan-Arctic Measurements and Arctic Climate Model Intercomparison Project) ended yesterday in Ottawa with the participation of the research aircraft Polar 5. The campaign which lasted four weeks yielded unique measurement data on sea ice thickness, trace gases, aerosols and meteorological parameters thanks to the great range of the aircraft and modern measurement equipment.

A scientist from the Alfred Wegener Institute will become the new Executive Secretary of the Antarctic Treaty system from August 2009. This was announced at the end of the Antarctic Treaty Consultative Meeting (ATCM) in Baltimore, USA. The majority of the 28 members entitled to vote for the new Executive Secretary of the Antarctic Treaty Secretariat decided on the German candidate Dr. Manfred Reinke who prevailed over competitors from Great Britain and Australia. The secretariat is seated in the Argentinean capital Buenos Aires.

Bremerhaven, March 30th 2009. Higher temperatures in Arctic permafrost soils alter the community of methane generating microorganisms and lead to an increased emission of methane. Microbiologists from the Alfred Wegener Institute come to this conclusion in the current issue of the periodical “Environmental Microbiology”. The researchers were able to examine permafrost from the ground of the Leptev Sea, a shallow shelf sea close to the coast of Siberia, for the first time.

The research aircraft Polar 5 belongs to the Alfred Wegener Institute. It will start on Monday March 30th at 10 o’clock from the regional airport Bremerhaven on an Arctic measurement campaign which will last about four weeks. Measurements of sea ice thickness and atmospheric variables in an area between Spitsbergen, Greenland, northern Canada and Alaska are at the centre of the project PAM-ARCMIP (Pan-Arctic Measurements and Arctic Climate Model Inter comparison Project).

The Indo-German team of scientists from the National Institute of Oceaonography and the Alfred Wegener Institute has returned from its expedition on research vessel Polarstern. The cooperative project Lohafex has yielded new insights on how ocean ecosystems function. But it has dampened hopes on the potential of the Southern Ocean to sequester significant amounts of carbon dioxide (CO2) and thus mitigate global warming.

The origin of the neurotoxin azaspiracid has finally been identified after a search for more than a decade. The azaspiracid toxin group can cause severe poisoning in human consumers of mussels after being enriched in the shellfish tissues. The scientific periodical European Journal of Phycology reports in its current issue (Vol. 44/1: p. 63-79) that a tiny algal species, the dinoflagellate Azadinium spinosum, is responsible. Researchers from the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association have isolated and…

The ice cap of the Western Antarctic has apparently deglaciated completely many times three to five million years ago. The periodical nature reports in its current issue (vol. 458) that these regular deglaciation phases have been caused by changes in the tilt of the Earth’s rotational axis in times of increased atmospheric carbon dioxide concentrations. This is the result of a sediment core drilled under German participation below the Antarctic Ross ice shelf in the framework of the international drilling project ANDRILL (ANtarctic geological DRILLing).

The International Polar Year 2007/2008 nears its end. Today, about 120 people celebrate two years of intense and internationally coordinated scientific campaigns in earth’s two Polar Regions in the Klimahaus Bremerhaven. During the German closing event of the International Polar Year 2007/2008, they did not only look back upon new insights and successful German contributions. The researchers from all over Germany emphasized the future importance of Polar research.

The Federal Minister for Education and Research, Dr Annette Schavan, inaugurated Neumayer Station III today at noontime. The new German research facility thereby starts its scientific operation. It is located 6.5 km south of the old Neumayer Station on the Ekström ice shelf in Dronning Maud Land in the Antarctic. The station serves as a base for scientific observatories as well as logistic centre for inland expeditions and polar aircraft.

The Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association can conduct the ongoing Polarstern expedition „LOHAFEX”. Independent scientific and legal reviews sought by the Federal Ministry of Education and Research and the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety concluded that the iron fertilisation experiment LOHAFEX is neither against environmental standards nor the international law in force. There are thus no ecological and legal reasons to further suspend the iron fertilisation…