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首页> 外文期刊>Water Policy >Bringing in the tides. From closing down to opening up delta polders via Tidal River Management in the southwest delta of Bangladesh
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Bringing in the tides. From closing down to opening up delta polders via Tidal River Management in the southwest delta of Bangladesh

机译：带动潮流。从关闭到通过孟加拉国西南三角洲的潮汐河管理开放三角

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摘要

The southwest coastal delta of Bangladesh is not only geographically home to a dynamic interplay between land and water, and between fresh surface water and saline tides, but also to contentious debates on flood management policy. It has been argued that dealing with delta floods in this region boils down to adopting either open or closed approaches. This paper longitudinally structures the open-or-closed debate based on a number of emblematic water management projects in the region. Departing from a typical open wetland history, river and polder embankments increasingly started to constrain flood dynamics. Upheaval among rural populations in response to the negative impacts of hydraulic engineering plans and works coalesced in efforts to restore open approaches, synthesized in the Tidal River Management concept. Its resemblance to historic overflow irrigation is often used politically as a yardstick to challenge the dominant hydraulic engineering paradigm. This paper argues that dealing with floods in Bangladesh requires plans, policies and projects formulated against the historic background of complex interactions among social processes, environmental dynamics and technological interventions: a lesson to be incorporated in on-going policy-making processes and long-term delta management plans.
机译：孟加拉国西南沿海三角洲不仅在地理上是陆地与水之间，淡水与咸潮之间动态相互作用的家园，而且还是有关洪水管理政策的有争议的辩论。有人认为，处理该地区的三角洲洪水可归结为采用开放式或封闭式方法。本文根据该地区的一些标志性水管理项目，从纵向上构建了开放或封闭的辩论。与典型的开放湿地历史不同，河流和田河堤越来越多地限制了洪水的动力。为响应水力工程计划和工程的负面影响，农村人口发生剧变，并努力恢复潮汐河管理概念中的开放方法。它与历史性溢流灌溉的相似之处在政治上经常被用作挑战主流水工范例的尺度。本文认为，应对孟加拉国的洪水需要在社会过程，环境动态和技术干预之间复杂的相互作用的历史背景下制定计划，政策和项目：将这一教训纳入正在进行的决策过程和长期三角洲管理计划。

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