Centre for Aerosol Remote Sensing (CARS)

The Centre for Aerosol Remote Sensing will consist of topical units hosted by:

– Romania, National Institute of Research and Development for Optoelectronics (INOE)
– Germany, Meteorological Institute of the Ludwig-MaximiliansUniversity (LMU-MIM)
– Italy, Consiglio Nazionale delle Richerche (CNR)
– Germany, Hohenpeissenberg Meteorological Observatory, Deutscher Wetterdienst (DWD)
– France, CNRS-Laboratoire d’Optique Atmospherique France, Université de Lille
– Spain, AEMET – Izãna Atmospheric Research Center
– Spain, University of Valladolid (UVA)

The mission of this TC is to offer operational support to ACTRIS National Facilities operating aerosol remote sensing instrumentation: profile and column observation.

Centre for Aerosol In Situ Measurements (CAIS)

The Centre for Aerosol In Situ Measurements will consist of topical units hosted by:

– Germany, Leibniz Institute for Tropospheric Research (TROPOS)
– France, French National Institute for Industrial Environment and Risks (INERIS)
– France, National Center for Scientific Research (CNRS)
– France, French Alternative Energies and Atomic Energy Commission (CEA)
– Finland University of Helsinki – Institute for Atmospheric and Earth System Research (UHEL-INAR)
– Czech Republic, Institute of Chemical Process Fundamentals at Czech Academy of Sciences (ICPF)
– Italy, Istituto Nazionale di Fisica Nucleare (INFN)

The mission of this TC is fundamental to improve the quality of the ACTRIS in situ aerosol data, by offering operation support to NFs, operating instruments for the physical or chemical in situ characterization of atmospheric aerosol particles as well as for particle sampling and subsequent laboratory analysis of these particles.

Centre for Cloud Remote Sensing (CCRES)

The Centre for Cloud Remote Sensing will consist of topical units hosted by:

– France, Centre National de la Recherche Scientifique (CNRS)
– France, Ecole Polytechnique
– France, Université de Versailles Saint-Quentin-en-Yvelines
– The Netherlands, Delft University of Technology (TUD)
– The Netherlands, Royal Dutch Meteorological Institute (KNMI)
– Germany, University of Cologne (UCol)
– United Kingdom, National Centre for Atmospheric Science (NCAS)
– Finland, Finnish Meteorological Institute (FMI)

The mission of this TC is to offer operation support to ACTRIS National Facili ties operating cloud remote sensing instrumentation. The Centre is elemental in developing calibration methods for cloud radars, microwave radiometry and Dopler Wind Lidars to be implemented on site (e.g. using calibration equipment or self-consistency techniques) and through mobile services (e.g. reference instruments or drone-based calibration).

Centre for Reactive Trace Gases Remote Sensing (CREGARS)

The Centre for Reactive Trace Gases Remote Sensing will consist of topical units hosted by
– Belgium, Royal Belgian Institute for Space Aeronomy (BIRA-IASB)
– Germany, Karlsruhe Institute of Technology (KIT)
– France, Centre National de la Recherche Scientifique (CNRS)
– Austria, Medical University Innsbruck (MUI)
– The Netherlands, Royal Dutch Meteorological Institute (KNMI)
– Belgium, University of Liège (ULiège)

The units are dealing with different trace gas remote sensing techniques: Fourier-transform infrared spectrometry (FTIR), differential optical absorption spectrometry in the UV-visible range (UVVIS) and ozone LIDAR or O3 DIAL (differential absorption lidar).
The mission of the Centre is to offer operation support to ACTRIS National Facilities operating reactive trace gases remote sensing instrumentation.

Centre for Reactive Trace Gases In Situ Measurements (CiGas)

The Centre for Reactive Trace Gases In Situ Measurements will consist of topical units hosted by:
– Germany, Institute of Meteorology and Climate Research (IMK), Department of Atmospheric Environmental Research (IFU), Karlsruhe Institute of Technology (KIT)
– Germany, Institute of Energy and Climate Research, IEK8: Troposphere, Forschungszentrum Jülich GmbH
– France, Institution Mines Telecom Lille Douai (IMT/LD), Atmospheric Sciences and Environmental Engineering Department (SAGE)
– Finland, University of Helsinki – Institute for Atmospheric and Earth System Research (UHEL-INAR)
– Germany, Hohenpeissenberg Meteorological Observatory, Deutscher Wetterdienst (DWD)
– Switzerland, The Laboratory for Air Pollution/Environmental Technology, EMPA

The Centre is fundamental in providing operation support to National Facilities measuring key trace gases (non-methane hydrocarbons (NMHC), oxidized volatile organic compounds (OVOC), biogenic volatile organic compounds (BVOC), specific direct aerosol precursors, NO, and NO2) in order to produce traceable, reliable and quality controlled datasets with known compatibility

ACTRIS Data Centre (DC)

ACTRIS DC will be hosted and composed by a consortium of research performing organizations:
– Norway, Norsk Institutt for Luftforskning Stiftelse (NILU)
– Italy, Consiglio Nazionale delle Ricerche (CNR)
– France, Centre National de la Recherche Scientifique (CNRS)
– Finland, Finnish Meteorological Institute (FMI)
– Norway, Norwegian Meteorological Institute (MetNo)
– Spain, Barcelona Supercomputing Center (BSC)

ACTRIS Data Centre (DC) is responsible for handling the ACTRIS data. The primary role of ACTRIS DC is to compile, archive and provide access to well documented and traceable ACTRIS measurement data and data products, including digital tools for visualisations, data analysis and research. As a tool for science, the highest priorities for ACTRIS DC is to maintain and increase the availability of ACTRIS data and data products relevant to climate and air quality research for all interested users.