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A long-buried Kent stream is brought back into the daylight | |
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2020-12-18 | |
发布年 | 2020 |
语种 | 英语 |
国家 | 英国 |
领域 | 资源环境 |
正文(英文) | A long-buried Kent stream is brought back into the daylightUncovering of Bourne Stream will support plant and animal life, and reduce risk of flooding to nearby area. One hundred metres of the Bourne Stream south of Borough Green is set to flow freely once more after being released from its underground pipe, thanks to the Environment Agency and construction firm A B Canham and Son. The newly open stretch of the watercourse, also known as the Basted Stream, will now be able to support more plant and animal life as well as reducing the risk of flooding to the nearby area. A footpath has also been created to run alongside it, giving greater access to the natural environment, so that people will be able to enjoy the stream while walking to or from Basted. The work to release the stream, termed ‘daylighting’, was carried out as part of the Milbourne Place housing development. Freeing up this stretch of a previously covered-up stream demonstrates how the Environment Agency is helping the drive to build back better and greener. The project also is a step towards reaching targets in the EA2025: creating a better place plan including improving more than 4,000 kilometres of river and creating nearly 1,200 hectares of habitat. Environment Agency spokesperson Richard Charman, Geomorphology Technical Specialist, said:
Background informationThe initial reason for replacing the culvert with a larger one and opening up part of the channel was to reduce flood risk so that the site could be developed for housing. The flood risk modelling in support of the planning application demonstrated a reduction in flood risk to the site itself and the immediate vicinity around the medical centre and access roads. Groundwater levels recharge over winterAs more rain falls during the winter, groundwater levels start to rise. Generally, rivers with ‘bourne’ in the name will start to flow in the spring. For example, Winterbourne, Lambourne, Nailbourne. In some years exceptional rainfall can lead to groundwater flooding. Groundwater levels are recharging now and there is a delay of months as the rain filters down into the aquifers. The Environment Agency monitors groundwater levels and publishes regular reports online. More information can be found on GOV.UK. Flooding from groundwater can happen when the level of water within the rock or soil that makes up the land surface (known as the water table) rises. Lead local flood authorities (the unitary or county council) are responsible for managing the risk of flooding from groundwater. The Environment Agency has a strategic overview for all sources of flooding including groundwater. They supply information in the form of monitored groundwater levels. In some areas that have historically experienced groundwater flooding, the Environment Agency provide a groundwater alert or warning service.
Published 18 December 2020
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来源平台 | UK Environment Agency |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/307742 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | admin. A long-buried Kent stream is brought back into the daylight. 2020. |
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