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  • Artikel  (49.227)
  • 1985-1989  (49.227)
  • Energietechnik  (49.227)
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  • Artikel  (49.227)
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  • 1
    Digitale Medien
    Digitale Medien
    Land Drainage: Agricultural Benefits and Environmental Impacts (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The paper reviews the context and contribution of agricultural land drainage in the UK and discusses the design and performance of land drainage improvement and maintenance schemes. The environmental impacts of land drainage are considered, and how drainage activities can be, and are being, modified to meet environmental criteria.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01434.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Improving Rural Supplies in Northumberland (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: A strategy is described which was adopted to ensure compliance with the EC Directive on Drinking Water, at six rural locations in Northumberland. These areas, plus a more widespread community in the Tyne Valley, are served by Catcleugh reservoir, a typical upland coloured source. Treatment of the smaller locations was carried out by single-stage pressure-filter plants, and for the larger area by a two-stage treatment works.Three of the small pressure-filtration plants have been closed, and the supply has been replaced from the two-stage plant. In the other three cases, two improvements are complete: one a dissolved-air flotation scheme, the other low-rate single-stage pressure filtration. Improvements to the third station are in the planning stage.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01436.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Sediments in Sewers (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: A recent survey has suggested that up to 25 000 km of UK sewerage networks may be affected by in-pipe sediment deposits. Field evidence indicates that, typically, up to 90% of the pollution load discharged from storm sewage overflows may be derived from the erosion of accumulated in-system sediment, commonly referred to as silt.A sewer flow quality simulation model is being developed under the aegis of the WRc/Water Industry Collaborative River Basin Management research programme. Such a model will enable sewerage engineers and water quality planners to produce more effective designs for sewerage rehabilitation schemes to control river pollution. In order to produce this model it is necessary to understand the nature, characteristics and controlling mechanisms of in-pipe sediment deposits.Field observations, coupled with sampling and analysis of combined sewer sediment deposits, have produced a five category classification for such sediments. Each category has distinctive characteristics in terms of appearance, composition and polluting potential.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01437.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    The Elimination of Pentachlorophenol Pollution from the Forth Catchment (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Following adoption of the EC Directive 86/280/EEC, three major point sources of pentachlorophenol (PCP) were identified in the River Forth catchment. At least one of these was known to be causing serious water pollution. While methods to determine low concentrations of PCP in the environment were being developed, discussions were held with the dischargers on ways to eliminate PCP from their effluent. Despite the additional costs involved, agreement was reached on the substitution of alternative, biodegradable fungicides. Although these major polluting discharges of PCP have now been eliminated, background levels of PCP found in rivers in the Forth River Purification Board's area show that other minor sources of PCP remain, indicative of the widespread use of this powerful and persistent fungicide.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01441.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Book Reviews (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: , Selected and edited by Charles Kerr. Published by Intermediate Technology Publications. 1989.〈section xml:id="abs1-2"〉〈title type="main"〉Britain's Poisoned Water, by Frances and Phil Craig. Published by Penguin Books. 1989.〈section xml:id="abs1-3"〉〈title type="main"〉Running Water, by Charles Hall. Published by Robertson McCarta. 1989.〈section xml:id="abs1-4"〉〈title type="main"〉Air Pollution, Acid Rain and the Environment, edited by Kenneth Mellanby. Published on behalf of the Watt Committee on Energy by Elsevier Applied Science Publishers Ltd, Crown House, Linton Road, Barking, Essex IG11 8JU. 1988.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01445.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    The Institution of Water and Environmental Management Annual General Meeting (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01430.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    The Application of Remote Sensing to Estimate Land Cover for Urban Drainage Catchment Modelling (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This paper compares the estimates of percentage land cover derived from airborne thematic mapper data with those from a traditional survey method. The latter include existing Ordnance Survey maps and an on-the-ground survey supplemented by aerial photographs. The thematic mapper data are segmented using two methods: thresholding and classification. Nine catchments are surveyed using the three methods. The different results are discussed, and their implications for the calculation of surface runoff are investigated. Estimates of the relative costs in the traditional and remote-sensing methods are compared, simulated satellite images of the study are analysed, and the potential use of satellite data in this application is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01435.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    Problems Encountered in the Hotwells District Small-Scale Metering Trial (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: As the debate on the fairness of water metering continues, the Hotwells metering trial has revealed two new contentious issues which could add credibility to the arguments of those who are opposed to a universal system. One could not have predicted that the safety of electrical appliances would make media headlines on the subject of water metering, or that supporters of rateable value should object to being charged by measured floor area when these two systems are so similarThis paper sets out to concentrate on two particular problems which were encountered during the consultative and installation phases of the Hotwells trial. Whilst the author would not claim to be able to provide definitive answers, he can share the approaches taken by the Company on apportionment and electrical earthing, and highlight I-the most important factors.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01438.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    Comparison of Disinfection Techniques for Sewage and Sewage Effluents (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This paper reviews operational and experimental disinfection techniques for the removal of pathogens from sewage and secondary effluent prior to marine discharge. Disinfection options considered include chlorine (hypochlorite, chloramines, OSEC), ultraviolet light (UV), ozone, chlorine dioxide, bromine chloride, peracetic acid (PAA) and gamma irradiation. A comparison of alternative systems is made in terms of their inactivation efficiency, safety, environmental impact and cost. Budget costs were obtained from chemical and equipment suppliers for the disinfection of a theoretical case-study, to enable a direct cost-comparison to be made.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01443.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Digitale Medien
    Digitale Medien
    The White Cart Water Flood Alleviation Study using Hydrodynamic Mathematical-Modelling Techniques (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 3 (1989), S. 0 
    Details
    ISSN: 1747-6593
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This paper describes a hydrodynamic mathematical-modelling study to investigate the flooding problem and to recommend various flood-alleviation measures for the White Cart Water on the southern side of Glasgow. The mathematical model covers 36 km of the White Cart to the tidal reaches at the confluence with the River Clyde, and includes 7 km of one of the major tributaries where regular flooding is also a problem. A key aspect of the study was the close proximity of the modelling team which permitted a close scrutiny of the river during high-flow events. From these observations the team obtained a thorough appreciation of river behaviour during potential flood situations, which provided a reliable and comprehensive set of data for model calibration over a wide range of conditions. The proposals for flood alleviation have far-reaching implications and require major capital expenditure. At present they are being examined by Strathclyde Regional Council in consultation with the many interested parties.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1747-6593.1989.tb01543.x
    Standort Signatur Erwartet Verfügbarkeit
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