decision-based scoping
—provides an effective methodology for improving the EIS scoping process. Decision-based scoping, in conjunction with a new tool, the decision-identification tree (DIT), places emphasis on first identifying the potential decisions that may eventually need to be made. The DIT provides a methodology for mapping alternative courses of action as a function of fundamental decision points. Once these decision points have been correctly identified, the range of actions, alternatives, and impacts can be more accurately assessed; this approach can improve the effectiveness of EIS planning, while reducing the risk of future disconnects between the EIS analysis and reaching a final decision. This approach also has applications in other planning disciplines beyond that of the EIS.
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Eccleston, C. The Decision-Identification Tree: A New NEPA Scoping Tool. Environmental Management 26, 457–464 (2000). https://doi.org/10.1007/s002670010103
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DOI: https://doi.org/10.1007/s002670010103