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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 11 (1997), S. 0 
    ISSN: 1747-6593
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: ‘Managed retreat’ is a salt-marsh restoration technique which is under experimental implementation in the UK. The technique involves the engineered tidal inundation of coastal land in front of re-aligned flood defences. Salt marshes developed by this method are intended to act as hydraulic buffers in front of coastal defences and to provide zones of environmental enhancement. Two managed retreat trials were instigated in 1995 on the Blackwater Estuary, Essex, UK. In June 1995, two months after breaching the seawalls, the initial environmental impact and geochemical development of the Orplands managed retreat site were investigated by surveys of tidal exchanges. Tidal stage curves and quantities of exchange were determined by four hydrological surveys at the extremes of a neap-spring tidal cycle, and the chemistry of exchanges was investigated by water sampling during these surveys.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 9 (1995), S. 0 
    ISSN: 1747-6593
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: The environmental impact of small-scale sewage-treatment works has been evaluated using the technique of ‘life-cycle analysis’. Three sewage-treatment works with different process options were analysed to identify and quantify material use, energy use and environmental releases during construction, operation and demolition. This enabled (i) a comparison to be made between process options, and (ii) the identification of opportunities for the improvement of environmental performance. Subject to satisfactory sewage treatment and sludge disposal, the technique identified additional impacts of importance, which have implications for energy management, works design, supplier management and general environmental policy. Life-cycle analysis provides a useful insight into environmental impact and has potential for wider application within the water industry.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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