Mapping critical levels/loads for the Slovak Republic
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- NIVA-rapport 
As a part of the Agreement on Environmental Co-operation between Norway and Slovakia a project "Mapping Critical Levels / Loads for Slovakia" was established. The final project results are presented. Critical loads for forest, surface and ground waters and their exceedances were calculated, using the steady-state mass balance model PROFILE for soils and the steady-state water chemistry (SSWC) method for waters. A grid distance of 10 km was applied. Because of decrease in sulphur deposition, the exceedances (5 percentiles) of critical load of acidity and critical sulphur deposition for forest soils were higher in 1990 (54 % resp. 40 % of grid cells) compared to 1995 (42 % resp. 23 % of cells). Practically no acidity exeedances for neither surface nor ground waters was found in 1995. Critical level of ozone for forest was exceeded over the whole Slovakia. The exceedance in the Tatra mountains was above 25,000 ppb.h.