1 Erratum to: Stoch Environ Res Risk Assess (2012) 26:225–233 DOI 10.1007/s00477-011-0492-6

Unfortunately this article has been published before in Stochastic Environmental Research and Risk Assessment. The first publication of this article was in Stochastic Environmental Research and Risk Assessment 25:7, pp. 929–937, DOI 10.1007/s00477-010-0449-1. Springer apologizes for this double publication of the article and recommends to use the first publication for referencing.