Environmental Integrated Assessment via Monte Carlo Simulation with a Case Study of the Mid-Atlantic Region,USA |
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Authors: | Liem T Tran Robert V O’Neill Elizabeth R Smith |
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Institution: | (1) Department of Geography, University of Tennessee, 1000 Phillip Fulmer Way, Knoxville, TN 37996-0925, USA;(2) T N & Associates, Oak Ridge, TN, USA;(3) U.S. Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, Research Triangle Park, Durham, NC, USA |
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Abstract: | Environmental integrated assessments are often carried out via the aggregation of a set of environmental indicators. Aggregated
indices derived from the same data set can differ substantially depending upon how the indicators are weighted and aggregated,
which is often a subjective matter. This article presents a method of generating aggregated environmental indices in an objective
manner via Monte Carlo simulation. Rankings derived from the aggregated indices within and between three Monte Carlo simulations
were used to evaluate the overall environmental condition of the study area. Other insights, such as the distribution of good
or bad values of indicators at a watershed and/or a subregion, were observed in the study. |
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Keywords: | Integrated environmental assessment Aggregated index Monte Carlo |
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