ACTRIS Sweden

ACTRIS Sweden is the Swedish node of the pan-European research infrastructure ACTRIS (Aerosol, Clouds, Trace gases Research Infrastructure), a research infrastructure in the ESFRI environmental domain.Short-lived climate forcers (SLCF) – including aerosols, clouds and trace gases – are consistently identified by IPCC as the largest source of uncertainty regarding our ability to account for and predict the human impact on Earth´s radiative balance and thus also climate change.

This is largely due to the complexity of the multiple processes emitting, transforming and ultimately removing the SLCF from the atmosphere, causing their concentrations to vary rapidly in time and space.In addition, aerosols and trace gases have adverse health effects estimated to be responsible for more than 400 000 premature deaths annually in the EU-28.

Information on concentrations and distributions of aerosols and trace gases is therefore required to reduce air pollution and their related effects on health and ecosystems.The vision is that ACTRIS will be the fundamental European research infrastructure for SLCF increasing the excellence in Earth system research and developing sustainable solutions to environmental challenges.

The mission is that ACTRIS shall establish, operate, and develop a pan-European distributed research infrastructure for SLCF.

ACTRIS shall provide access for a wide user community to its resources and services, in order to facilitate high-quality Earth system research and model development.

By taking part in the ACTRIS ERIC, ACTRIS Sweden will contribute to these ambitions.ACTRIS Sweden will implement five co-located ACTRIS-ICOS stations along a north-south gradient, and two exploratory platforms, building on considerable pre-existing resources.

Upgraded and new instrumentation will be deployed for observations of ACTRIS variables, bringing the platforms to a capacity where they will fully comply with ACTRIS ERIC requirements for National Facilities.