Coastal landfill and shoreline management: Implications for coastal adaptation infrastructure. Case Study: Wicor Cams

Abstract

This report was produced by the University of Southampton Waste Management Research Group and Energy and Climate Change Group as part of a study for the “Coastal landfill and shoreline management: implications for coastal adaptation infrastructure” project" funded by the Natural Environment Research Council (NERC: NE/N012909/1) as part of the Environmental Risks to Infrastructure Innovation Programme. The report details results from a study on three landfills, known collectively as Wicor Cams, located in Cams Bay in the East Solent, near Portsmouth. The landfills occupy a narrow stretch of land following the coastline. There are no formal coastal defences at the site apart from placed curb stones and rubble. Erosion at the site is limited, or slow, due to the low wave energy in the sheltered estuarine environment, but modelling showed that, in the long term, sea level rise would lead to flooding and inundation of the landfill, and potentially the release of landfill leachate into the estuary. The study noted that there was limited information about the total volume of waste at the site, and recommended that further research was needed to understand the extent of the landfills. It was recommended that the site should be monitored to better understand the true rate of erosion and potential for release of waste of leachate from the landfills. If a "hold the line" shoreline management plan is maintained at the site, then coastal sea defences should be repaired or replaced and a full appraisal undertaken to understand long term viability of new defences.

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Identifiers

ORCID for R.P. Beaven: orcid.org/0000-0002-1387-8299

ORCID for R.J. Nicholls: orcid.org/0000-0002-9715-1109

ORCID for I.D. Haigh: orcid.org/0000-0002-9722-3061

ORCID for A. Stringfellow: orcid.org/0000-0002-8873-0010

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