Mercury simulations within GMOS: Analysis of short-term observational episodes
1 Meteorological Synthesizing Centre – East of EMEP, Krasina pereulok, 16/1, 123056 Moscow, RUSSIA
2 CNR-Institute of Atmospheric Pollution Research, c/o: UNICAL (Polifunzionale), 87036 Rende, ITALY
3 Helmholtz-Zentrum Geesthacht Zentrum für Material und Küstenforschung GmbH Max-Planck-Straße 1, 21502 Geesthacht, GERMANY
4 Air Quality Research Division, Science and Technology Branch, Environment Canada, 2121 Trans Canada Highway, Dorval, Quebec H9P 1J3, CANADA
5 Department of Civil Engineering, Lamar University, Beaumont, TX 77710, USA
A number of contemporary chemical transport models for mercury are applied within the framework of the EU GMOS project to study principal processes of mercury transport and transformations in the atmosphere. Each model is involved in simulation of short-term episodes corresponding to particular Hg measurement campaigns in Europe and other regions. In order to evaluate different physical and chemical mechanisms the models perform sensitivity runs with various parameterizations and/or combinations of considered processes. The modeling results are compared to detailed measurements of Hg species (Hg0/TGM, RGM, HgP) with high temporal resolution (hours) aiming at reproduction of short-term temporal variability of Hg air concentration.
Key words: Mercury simulation / chemical transport models / short-term episodes / GMOS project
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