PROCEDURES FOR UNCERTAINTY ANALYSES APPLIED TO A LANDFILL LEACHATE PLUME

Environmental data often have features that are distinct from data in other branches of science. These features include spatial and/or tempo ral auto-correlation, natural heterogeneity, measurement errors, small sample sizes, and simultaneous existence of different types and quali ties of data. Realistic environmental modeling requires simulation pro cedures that account for all of these features. In this study, a model of uncertainty analysis, BUDA, is used to account for the noted featu res and provide a unified framework for quantification, propagation, a nd reduction of uncertainty, The BUDA model is used to analyze the dev elopment of a chloride plume around an old landfill to the year 2020, This article describes the different components of BUDA as they relate to the landfill application.