• Map of critical loads (sulphur) for coniferous forest soils in Norway 

      Wright, R.; Rudi, G.; Frogner, T.; Håøya, A.-O.; Cosby, J.B.; Esser, J.M. (NIVA-rapport;2830, Research report, 1992)
      Maps of critical loads of acidity and exceedance (sulphur) for coniferous forest soils in Norway have been compiled using the dynamic MAGIC model based on the soil survey data of NIJOS and NISK, the atmospheric deposition ...