Novel sampling methods for atmospheric semi-volatile organic compounds (SOCs) in a high altitude alpine environment
2009
Offenthaler, I. | Jakobi, G. | Kaiser, A. | Kirchner, M. | Kräuchi, N. | Niedermoser, B. | Schramm, K.W. | Sedivy, I. | Staudinger, M. | Thanner, G. | Weiss, P. | Moche, W.
High- and low-volume active air samplers as well as bulk deposition samplers were developed to sample atmospheric SOCs under the adverse conditions of a mountain environment. Active sampling employed separate filters for different European source regions. Filters were switched depending on daily trajectory forecasts, whose accuracy was evaluated post hoc. The sampling continued on three alpine summits over five periods of four months. The prevailing trajectories varied stronger between sampling periods than between stations. The sampling equipment (active and bulk deposition) proved dependable for operation in a mountain environment, with idle times being mainly due to non-routine manipulations and connectivity. Equipment for direction-specific air sampling and bulk deposition sampling in mountains was developed and tested.
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