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Humanity cannot limit global warming to 1.5 degrees unless action is taken. The Intergovernmental Panel on Climate Change (IPCC) has shown this in its special report from 2018. From 1 July, scientists from 14 institutions including the Alfred Wegener Institute will be examining the opportunities and risks of ocean-based technologies for such negative emissions.
Late Monday morning, the time had come: the German research vessels Maria S. Merian and Sonne departed Bremerhaven, headed for the Arctic. In addition to the ship’s crews, roughly 100 passengers were on board: researchers and Polarstern crewmembers. The two ships will tentatively rendezvous with the Polarstern near Svalbard this weekend, so that their passengers can relieve the current MOSAiC team. A substantial amount of scientific material, equipment and provisions will also be transferred.
A German-American research team led by the University of Alaska Fairbanks (UAF), which also included members from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), has now developed a method for determining the amount of methane released, drawing on satellite images to do so.
How could thermokarst processes affect the thawing of permafrost in Northeast Siberia under different climate warming scenarios? The researcher from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Humboldt University and the University of Oslo now uses new computer models to answer the question.
The Arctic Ocean in summer will very likely be ice free before 2050, at least temporally. The efficacy of climate-protection measures will determine how often and for how long. These are the results of a new research study involving 21 research institutes from around the world including the Alfred Wegener Institute, coordinated by Dirk Notz from the University of Hamburg, Germany.