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Lower Columbia River. Workshop Report
| 题名： | Lower Columbia River. Workshop Report |
| 关键词： | *CHANNELS(WATERWAYS)*COLUMBIA RIVER*ENVIRONMENTAL IMPACT*PORTS(FACILITIES)*RISK ANALYSIS*WATERWAYSCOAST GUARDMODELSNUMERICAL ANALYSISPROBABILITYSAFETYTRAFFICTRANSPORTATIONWORKSHOPS |
| 摘要： | A Port Risk Assessment Workshop was conducted for the Lower Columbia River in Portland, Oregon, on September 11 - 12, 2000. This workshop report provides the following information brief description of the process used for the assessment list of participants, numerical results from the Analytic Hierarchy Process and summary of risks and mitigations discussion. The risk assessment process is a structured approach to obtaining expert judgments on the level of waterway risk. The process also addresses the relative merits of specific types of Vessel Traffic Management VTM improvements for reducing risk in the port. Based on the Analytic Hierarchy Process AHP, the port risk assessment process uses a select group of waterway usersstakeholders in each port to evaluate waterway risk factors and the effectiveness of various VTM improvements. The process requires the participation of local Coast Guard officials before and throughout the workshops. Thus the process is a joint effort involving waterway users, stakeholders, and the agenciesentities responsible for implementing selected risk mitigation measures. This methodology employs a generic model of port risk that was conceptually developed by a National Dialog Group on Port Risk and then translated into computer algorithms by the Volpe National Transportation Systems Center. In that model, risk is defined as the sum of the probability of a casualty and its consequences. Consequently, the model includes variables associated with both the causes and the effects of vessel casualties. Because the risk factors in the model do NOT contribute equally to overall port risk, the first session of each workshop is devoted to obtaining expert opinion about how to weight the relative contribution of each variable to overall port risk. The experts then are asked to establish scales to measure each variable. |
| 总页数： | 29 |
| 报告类型： | 科技报告 |
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