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GUIDELINES FOR ASSESSING SEDIMENT-RELATED EFFECTS OF DAM REMOVAL

机译：评估沉积物相关坝体沉积物的指南

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Dam removal is becoming more common in the United States as dams age and environmental concerns increase. Sediment management is an important part of many dam removal projects, but there are no commonly accepted methods to assess the level of risk associated with sediment stored behind dams. Therefore, the interagency Subcommittee on Sedimentation (SOS) is sponsoring the development of a decision framework for assessing sediment-related effects from dam removals. The decision framework provides guidance on the level of sediment data collection, analysis, and modeling needed for reservoir sediment management. The framework is based on criteria which scale the characteristics of the reservoir sediment to sediment characteristics of the river on which the reservoir is located. To assist with the framework development, workshops of invited technical experts from around the United States were convened October 2008 in Portland, Oregon and October 2009 in State College, Pennsylvania. The decision framework developed at these workshops is currently being validated with actual dam-removal case studies from across the United States including small, medium, and large reservoir sediment volumes. This paper provides the latest thinking on key components of the guidelines. The paper represents contributions from over 26 entities who have participated in the development of the guidelines. After completion of the case study application, the framework will be finalized and published.
机译：由于大坝年龄和环境问题增加，大坝拆除在美国变得越来越普遍。沉积物管理是许多大坝拆除项目的重要组成部分，但没有常用的方法来评估与坝后沉积物相关的风险水平。因此，沉积物（SOS）的间际小组委员会赞助了从坝移除评估沉积物相关效果的决策框架的发展。该决策框架提供了关于水库沉积物管理所需的沉积物数据收集，分析和建模水平的指导。该框架基于标准，将储层沉积物的特征缩放到储层所在河流的沉积物特征。为协助框架开发，来自美国周围的受邀技术专家的研讨会于2008年10月在宾夕法尼亚州州立学院的俄勒冈州波特兰和2009年10月召开。在这些研讨会上开发的决策框架目前正在通过来自美国跨越美国的实际漏斗除去案例研究，包括小型，中等和大型水库沉积物。本文提供了关于指南关键组成部分的最新思路。本文代表了超过26个实体参与制定指南的实体的捐款。完成案例研究申请后，框架将最终确定和发布。

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