AI Article Synopsis
- The mining industry is growing because we need more minerals, but it creates a lot of waste that needs to be stored safely.
- Instead of keeping this waste in land dams, which can be risky and hard to find space for, some countries are dumping it in the ocean.
- The review talks about the effects of this ocean dumping, like pollution and changes to marine life, and emphasizes the need for better rules and research to protect the environment.
Article Abstract
The mining sector is growing in parallel with societal demands for minerals. One of the most important environmental issues and economic burdens of industrial mining on land is the safe storage of the vast amounts of waste produced. Traditionally, tailings have been stored in land dams, but the lack of land availability, potential risk of dam failure and topography in coastal areas in certain countries results in increasing disposal of tailings into marine systems. This review describes the different submarine tailing disposal methods used in the world in general and in Norway in particular, their impact on the environment (e.g. hyper-sedimentation, toxicity, processes related to changes in grain shape and size, turbidity), current legislation and need for future research. Understanding these impacts on the habitat and biota is essential to assess potential ecosystem changes and to develop best available techniques and robust management plans.
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| http://dx.doi.org/10.1016/j.marpolbul.2015.05.062 | DOI Listing |
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