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Aerosols, Clouds, and Trace gases Research InfraStructure - ACTRIS  is a research infrastructure on the ESFRI roadmap from March 2016. ACTRIS is currently supported by the European Commission Horizon 2020 Research and Innovation Framework Programme (H2020-INFRAIA-2014-2015) from 1 May 2015 to 30 April 2019.


The objectives of ACTRIS Research Infrastructure

Detecting changes and trends in atmospheric composition and understanding their impact on the stratosphere and upper troposphere is necessary for establishing the scientific links and feedbacks between climate change and atmospheric composition.

  • The primary objective of ACTRIS is to provide the 4D-variability of clouds and of the physical, optical and chemical properties of short-lived atmospheric species, from the surface throughout the troposphere to the stratosphere, with the required level of precision, coherence and integration.
  • The second objective is to provide effective access to this information and the means to more efficiently use the complex and multi-scale ACTRIS parameters serving a vast community of users working on models, satellite retrievals, and analysis and forecast systems.
  • The third objective is to raise the level of technology used in the RI and the quality of services offered to the community of users, involving partners from the private sector.
  • Finally, the fourth objective of ACTRIS is to promote training of operators and users and enhance the linkage between research, education and innovation in the field of atmospheric science.
Aerosol air pollution Arctic Arctic haze Atmosphere Atmospheric processes Climate Climate change infrastructure Long-range transport network observations database trace gases trends
2. Investigation of the physiological and cellular adaptation of plants to the arctic environ-ment – comparison with high alpine conditions

The objective of our work with arctic terrestrial plants and with algae is to study the range of climate adaptation as is expressed in special ultrastructure of cells and tissues, in photosynthetic metabolism, in antioxidative and sun screen compounds under a cold and reduced PAR / UV-B environment (climate different to alpine conditions). This is a comparison of ecophysiological processes already worked out mainly from high alpine plants, which live periodically under stronger cold and under different light regimes, especially higher UV-B and PAR irradiation. We want to find out, whether adaptations found in some alpine organisms occur similarly in polar forms.

Ultrastructure Biological effects UV radiation physiology stress adaptation Climate change Arctic Cold stress Ecosystems