Nature-based solutions (NBS) can be used in combination with the reopening of piped rivers to support area development. In certain cases, piped rivers can run through disused landfills. This presents a complicating factor because landfills provide the possibility for river water to be contaminated by waste. In Skien municipality, close to Oslo, Norway, NBS are being considered as part of a potential reopening of the Kjørbekk stream. A 4-km stretch of the stream is contained in an aging pipe infrastructure that is buried under two disused landfills. The pipe infrastructure does not have the physical capacity to cope with an increase in precipitation brought about by current climate change, and in certain areas, the pipe has started to leak. This means that surface water runoff that cannot be accommodated by the pipe, as well as water that leaks from the pipe, can become contaminated by the waste in the disused landfill. Furthermore, the water can be transported with the stream course to the final recipient, taking the contamination with it. Reopening the stream and providing new water pathways can alleviate these problems, but it must be carried out so that contamination is not allowed to spread. This case study reveals how certain NBS that focus on reducing the amount of water in contact with pollutants, reducing the amount of particle spreading, remediating contaminated water, and remediating contaminated soil could be implemented at the site and function as a catalyst for an incremental city development. Integr Environ Assess Manag 2022;18:99–107. © 2021 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).

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从垃圾填埋场到景观——考虑到遗留污染的基于自然的水资源管理解决方案

基于自然的解决方案 (NBS) 可与重新开放管道河流相结合，以支持地区发展。在某些情况下，管道河流可以流过废弃的垃圾填埋场。这是一个复杂的因素，因为垃圾填埋场提供了河水被废物污染的可能性。在靠近挪威奥斯陆的 Skien 市，NBS 正在考虑作为重新开放 Kjørbekk 溪流的一部分。一条 4 公里长的河流包含在一个老化的管道基础设施中，该基础设施被埋在两个废弃的垃圾填埋场下。管道基础设施不具备应对当前气候变化带来的降水增加的物理能力，并且在某些地区，管道已经开始泄漏。这意味着管道无法容纳的地表水径流，以及从管道泄漏的水，可能会被废弃垃圾填埋场中的废物污染。此外，水可以随流道输送到最终接收者，同时带走污染。重新开放河流并提供新的水路可以缓解这些问题，但必须进行，以免污染扩散。本案例研究揭示了某些专注于减少与污染物接触的水量、减少颗粒扩散量、修复受污染的水和修复受污染的土壤的 NBS 如何在现场实施并作为增量城市的催化剂发展。水可以随溪流输送到最终接收者，并带走污染。重新开放河流并提供新的水路可以缓解这些问题，但必须进行，以免污染扩散。本案例研究揭示了某些专注于减少与污染物接触的水量、减少颗粒扩散量、修复受污染的水和修复受污染的土壤的 NBS 如何在现场实施并作为增量城市的催化剂发展。水可以随溪流输送到最终接收者，并带走污染。重新开放河流并提供新的水路可以缓解这些问题，但必须进行，以免污染扩散。本案例研究揭示了某些专注于减少与污染物接触的水量、减少颗粒扩散量、修复受污染的水和修复受污染的土壤的 NBS 如何在现场实施并作为增量城市的催化剂发展。2022 年整合环境评估管理；18：99–107。© 2021 作者。由 Wiley Periodicals LLC 代表环境毒理学与化学学会 (SETAC) 出版的综合环境评估和管理。