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Institute for Energy and Climate Research
Stratosphere (IEK-7)

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Air samples from Cape Grim, Tasmania (1978 - 2012)
New CFCs Found in the Atmosphere
Scientists from IEK-7 and the University of East Anglia have found new, previously unexplored greenhouse gases in the atmosphere. The researchers compared unpolluted air samples collected in Tasmania from 1978 to 2012 with air samples collected by commercial airliners in 2012 and 2013. Their analysis revealed three chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) that had not been detected or investigated in the past.
More: New CFCs Found in the Atmosphere …

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Research

IEK-7 studies chemical, microphysical and dynamic processes in the atmosphere and the role they play in climate change. The institute focuses on the tropopause region (5 to 15 km), because this is where changes in greenhouse gases, aerosols and clouds have a particularly strong effect on the radiative forcing of the atmosphere. more: Research …

Projects

IEK-7 is involved in and coordinates numerous projects with partners in Germany and abroad. This includes collaborations within the Helmholtz Association, as well as with other research institutions, universities and industry partners. Projects are usually part of and funded by the R&D programmes for atmospheric and climate research of the Helmholtz Association (HGF), the Federal Ministry of Education and Research (BMBF), the German Research Foundation (DFG), the European Union (EU) and the European Space Agency (ESA). The results contribute to climate programmes, for example those of the Intergovernmental Panel on Climate Change (IPCC), the World Climate Research Programme (WCRP), and the World Meteorological Organization (WMO). more: Projects …

Results

The results of our research are regularly published in the scientific literature. We also make key contributions to international assessments carried out by institutions such as WMO, IPCC and SPARC, which form the basis of decisions taken by policy makers in the field of atmospheric research and climate research. You can find information on past and present IEK-7 publications here: Results …


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