A comparison of Alpine emissions to forest soil and spruce needle loads for persistent organic pollutants (POPs)
2009
Belis, C.A. | Offenthaler, I. | Uhl, M. | Nurmi-Legat, J. | Bassan, R. | Jakobi, G. | Kirchner, M. | Knoth, W. | Kräuchi, N. | Levy, W. | Magnani, T. | Moche, W. | Schramm, K.W. | Simončič, P. | Weiss, P.
The project MONARPOP analysed the concentrations of semivolatile organic compounds (SVOCs) in two important sink compartments, needles of Norway spruce (Picea abies [L.] Karst.) and forest soil from 40 remote Alpine forest sites in Austria, Germany, Italy, Slovenia and Switzerland. In the present study the load of PCDD/F, PCB, PBDE, PAH, HCB, HCH and DDT in the Alps calculated on the basis of measured data are compared with their estimated emissions in the Alpine region. It comes out that the masses of the studied pollutants stored in the forests are higher than the corresponding emissions in the Alpine area indicating that the Alps are a sink for POPs advected from surrounding areas. It is assumed that local emissions of PCDD/F and PAH deriving from biomass burning are probably underestimated and that the pool of these pollutants in the forests represents the accumulation over some decades. The loads of POPs in the Alps are higher than their emissions in the Alpine region.
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