Risk-Based Evaluation of Flood Warning and Preparedness Systems. Volume 1 -Overview

摘要

This report describes the nontechnical aspects of four methodologies to aid inthe design and evaluation of flood warning and preparedness systems. The methodologies include: (1) integration of structural measures and flood warning and preparedness, (2) multiobjective decision tree analysis; (3) performance characteristics, and (4) selection of an optimal flood warning threshold. Each methodology is intended to demonstrate how flood warning and preparedness systems need to be evaluated as part of an integrative, holistic process as part overall system with structural measures. These methodologies must build on an understanding of the contribution of each type of measure to the objectives of minimizing cost and risk and maximizing performance. Consideration of the risk of extreme events is an essential element in the evaluation of design tradeoffs.