IIASA RepositoryModeling Atmospheric Transport of Heavy Metals Over Europe in the 50 km Grid SystemJ.BartnickiauthorK.OlendrzynskiauthorWithin the framework of the collaborative project between IIASA and the Norwegian Meteorological Institute in Oslo, a new version of the Heavy Metals Eulerian Transport (HMET) model has been developed. This new version is presented in this paper, as well as the results of the model simulation for one year period of transport (1992). The main difference between the old version (here termed as HNIET-150), and a new version called HNIET-50, is the model grid size reduced from 150km in the old approach, to 50km in the latest model version. Higher spatial resolution is important for estimating atmospheric load of heavy metals to European soils. The HMET-50 model was used to simulate atmospheric transport and deposition in Europe of arsenic (As), cadmium (Cd), lead (Pb) and zinc (Zn). Necessary emission data for this simulation were compiled at IIASA. Meteorological input for the HMET-50 model was prepared at the Norwegian Meteorological Institute in Oslo. Maps of computed total depositions in Europe for all metals are presented. In addition, concentration maps, as well as dry and wet deposition maps, for all metals are also shown in the paper. The change of the model grid size influenced the locations of the deposition maxima. Because of the better resolution of emissions, computed concentrations are slightly closer to measured values. However, this fact has to be confirmed when more measurements for 1992 become available.1996-12WP-96-141Monograph

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