Biosphere Atmosphere Exchange of Pollutants (BIAFLUX)
Background
The joint programme of activities is designed to integrate the research of the small groups, both in field studies, to provide training of individuals in the methods of micrometeorology and in the modelling and application of the output to address policy-oriented questions.
The core activities of the research community are the field measurements and especially in recent years, the long-term flux measurements. The most valuable applications of joint research for this community however, are the joint field campaigns, in which participating groups work at a common location to allow a much larger scale study to take place. This is especially important where the range of measurement activities required to address a specific scientific question is larger than the combined efforts of any single research group. This is important for example in the case of reactive Nitrogen compounds in which the number of different gases and aerosols necessary to quantify the net surface-atmosphere exchange is large. Tropospheric ozone, which is closely coupled to the chemistry of oxidized nitrogen remains a priority research topic due to its effects on vegetation and human health. The focus of work on ozone in this sub-project is the measurement and interpretation of deposition fluxes and, n in particular quantifying the stomatal component of the total deposition flux to vegetation. The synthesis and integration of recent developments in understanding ozone deposition to vegetation will be used in the assessment of effects of ozone on crops and semi-natural vegetation throughout Europe within the UNECE assessment process.
Field campaigns for the measurement of reactive Nitrogen compounds, ozone and VOC are in progress within national and EU projects. The first BIAFLUX workshop in Edinburgh will identify the current activities and provide a forum for discussion of wider interest in these studies.
The community activity includes workshops and joint field experiments, which provide an excellent method of comparing techniques and training new researchers in the field. To spread the experience developed by this community the most effective method of transferring the underlying skills is by formal training and the exchange of research staff between laboratories especially in surface-atmosphere exchange. Thus funding is allocated for short periods of training and, or collaboration for newcomers to the field, and with an emphasis on researchers from countries not well represented in the current participant list. The workshop in the first year of activity is devoted to micrometeorological methods and especially to new techniques for land-atmosphere and sea-atmosphere exchange. This initiative will draw on the strengths of the two communities and will develop a common framework for analysis.
Contact for BIAFLUX: David Fowler
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Trace Gas and Aerosol Flux Measurement Techniques Workshop, April 2005 |
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Project coordinator: Consiglio Nazionale delle Ricerche. coordinator@accent-network.org Project Office: Università di Urbino. project.office@accent-network.org Web-coordinator: Norwegian Institute for Air Research. mail@accent-network.org ACCENT Disclaimer |