GAW Regional Station for Atmospheric Research - 2005 Report


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The aim of the JRC-Ispra station is to monitor the concentration of pollutants in the gas phase, the particulate phase and precipitations, as well as aerosol optical parameters, which can be used for assessing the impact of European policies on air pollution and climate change. Measurements are performed in the framework of international monitoring programs like the Co-operative program for monitoring and evaluation of the long range transmission of air pollutants in Europe (EMEP) of the UN-ECE Convention on Long-Range Transboundary Air Pollution (CLRTAP) and the Global Atmospheric Watch (GAW) Program of the World Meteorological Organization (WMO).

The EMEP program

Currently, 50 countries and the European Community have ratified the CLRTAP. The set-up and running of the JRC-Ispra EMEP station resulted from a proposal of the Directorate General for Environment of the European Commission in Brussels, in agreement with the Joint Research Centre, following the Council Resolution N° 81/462/EEC, article 9. The JRC-Ispra station operates on a regular basis in the extended EMEP measurement program since November 1985. Data are transmitted yearly to the EMEP Chemical Coordinating Centre (CCC) for data control and statistical evaluation.

The GAW program

WMO’s Global Atmospheric Watch (GAW) system was established in 1989 with the scope of providing information on the physico-chemical composition of the atmosphere. These data provide a basis to improve our understanding of both atmospheric changes and atmosphere-biosphere interactions. GAW is one of WMO’s most important contributions to the study of environmental issues, with about 80 member countries participating in GAW’s measurement program. Since December 1999, the JRC-Ispra station is also part of the GAW coordinated network of regional stations. Aerosol data submitted to EMEP are to automatically flow to the GAW World Data Center for Aerosol (WDCA), hosted by the JRC-IES Climate Change Unit.

The institutional program  

The JRC-Ispra station has been managed by the Climate Change Unit of the European Commission - Joint Research Centre (JRC) Institute for Environment and Sustainability since February 2002. From then its monitoring program has been focused on air pollution and climate forcing short-lived agents such as tropospheric ozone and aerosols. Concretely, more sensitive gas monitors were introduced, as well as a set of new measurements providing aerosol characteristics that are linked to its radiative forcing.

The site was also used for research and development purposes, mainly focusing on organic carbon sampling artifacts. The data obtained in Ispra are being used for the design of the new EMEP monitoring strategy and the revision of the EMEP sampling and analytical procedure manual.

JRC-Ispra station data are available on-line or from the IES web site. Historical data can also be downloaded from the Climate Change Unit web page by selecting Data Sets and then EMEP station data.

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