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Author: R.W. Edwards
Publisher: Springer Science & Business Media
ISBN: 9400918941
Category : Science
Languages : en
Pages : 334
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Book Description
This book brings together research into the process of stream acidification and its impact on Welsh surface waters, carried out over the past decade or so. It is perhaps surprising that not until the 1980's was clear evidence of stream acidification assembled. In Wales, concerns over pollution had focused water quality sampling principally on the areas of traditional heavy industry and large urban popula tions served by inadequate sewerage systems and sewage disposal arrange ments. Mistakenly, it had been assumed that, with its prevailing westerly winds, Wales would receive precipitation substantially unpolluted by the industrial and urban emissions from Britain and mainland Europe. Assurance of the high quality of Welsh upland streams, the traditional nursery ground of salmonids, was eroded particularly by studies in the vicinity of Llyn Brianne reservoir in the catchment of the River Tywi of Central Wales. These demonstrated a clear correspondence between the biological quality and fisheries of streams in the catchment and aspects of stream chemistry, par ticularly pH, aluminium and calcium on the one hand, and catchment land use on the other. It is salutary to record that the first signals were of an inexplicable failure of the runs of migratory salmonids into the upper catchment, occupied by the Llyn Brianne reservoir and its influent streams, and the failure to restore the fishery by re-stocking with eggs and fry. Only then did the significance of the recent decline in some other upland lake and reservoir fisheries in Wales become apparent.
Author: R.W. Edwards
Publisher: Springer Science & Business Media
ISBN: 9400918941
Category : Science
Languages : en
Pages : 334
Get Book Here
Book Description
This book brings together research into the process of stream acidification and its impact on Welsh surface waters, carried out over the past decade or so. It is perhaps surprising that not until the 1980's was clear evidence of stream acidification assembled. In Wales, concerns over pollution had focused water quality sampling principally on the areas of traditional heavy industry and large urban popula tions served by inadequate sewerage systems and sewage disposal arrange ments. Mistakenly, it had been assumed that, with its prevailing westerly winds, Wales would receive precipitation substantially unpolluted by the industrial and urban emissions from Britain and mainland Europe. Assurance of the high quality of Welsh upland streams, the traditional nursery ground of salmonids, was eroded particularly by studies in the vicinity of Llyn Brianne reservoir in the catchment of the River Tywi of Central Wales. These demonstrated a clear correspondence between the biological quality and fisheries of streams in the catchment and aspects of stream chemistry, par ticularly pH, aluminium and calcium on the one hand, and catchment land use on the other. It is salutary to record that the first signals were of an inexplicable failure of the runs of migratory salmonids into the upper catchment, occupied by the Llyn Brianne reservoir and its influent streams, and the failure to restore the fishery by re-stocking with eggs and fry. Only then did the significance of the recent decline in some other upland lake and reservoir fisheries in Wales become apparent.
Author: Nilgun B. Harmanciogammalu
Publisher: Springer Science & Business Media
ISBN: 9401156166
Category : Technology & Engineering
Languages : en
Pages : 550
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Book Description
An integrated approach to environmental data management is necessitated by the complexity of the environmental problems that need to be addresses, coupled with the interdisciplinary approach that needs to be adopted to solve them. Agenda 21 of the Rio Environmental Conference mandated international programmes and organizations to take steps to develop common data and information management plans, and steps have been taken in this direction. The key word that defines the framework of the present book is `integration'. The book establishes the basics of integrated approaches and covers environmental data management systems within that framework, covering all aspects of data management, from objectives and constraints, design of data collection networks, statistical and physical sampling, remote sensing and GIS, databases, reliability of data, data analysis, and the transformation of data into information.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 516
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Book Description
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 804
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 746
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Book Description
Author: G. Ibarra-Berastegi
Publisher: Computational Mechanics
ISBN:
Category : Computers
Languages : en
Pages : 572
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Book Description
This volume presents developments and practical implementations in the theoretical, numerical and applicable aspects of computer analysis, simulation, modelling, control and forecasting for environmental applications. The contributions come from managers, scientists and engineers attending the Eighth International Conference on this subject. Topics covered include: health and pollution; fluid dynamics; environmental management and decision analysis; chemistry, physics and biology; satellite data, image processing and remote sensing; renewable energies; databases; and software implementation.
![Memoirs of the Geological Survey [of] England & Wales PDF](https://books.google.com/books/content/images/frontcover/KYCDIgmOroAC?fife=w80-h100)
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 282
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Book Description
Author: Frank Wigglesworth Clarke
Publisher:
ISBN:
Category : Geochemistry
Languages : en
Pages : 836
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Book Description
Author: Kenneth Mellanby
Publisher: Springer Science & Business Media
ISBN: 9400927355
Category : Science
Languages : en
Pages : 138
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Book Description
The Watt Committee on Energy became active in of the effects on buildings, for instance. Proposals the study of Acid Rain during 1982. Perhaps the for action should therefore concentrate on measures only aspect of the subject that has become more that promise a real improvement as a result of certain during the subsequent five years is that the expenditure. expression 'Acid Rain' is used loosely in public The Watt Committee's study of this subject has been in two phases. The first dealt with the nature debate for a complex of industrial and environ mental phenomena. Among these, Acid Rain in the of the problem, and culminated in the publication straightforward meaning of the words-rain and of Watt Committee Report No. 14 in 1984. That perhaps snow having a significantly high level of Report was divided into four sections, each of acidity-is of only limited importance. To represent which was prepared by a sub-group of the working this perspective, therefore, the Watt Committee Ex group: they dealt respectively with the fate of air borne pollution, vegetation and soils, fresh water ecutive decided that the study leading to the present Report should be entitled 'Air Pollution, Acid Rain and remedial strategy. In the second phase, these and the Environment'. sub-groups have brought their sections up-to-date The Watt Committee's interest in Acid Rain and a fifth sub-group was appointed to study arises from the fact that, among its causes, the buildings and non-living materials.
Author: James W.S. Longhurst
Publisher: Springer Science & Business Media
ISBN: 3642764738
Category : Science
Languages : en
Pages : 345
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Book Description
The subject of acid deposition remains one of the most urgent of our contemporary environmental problems. Research programmes are continually redefming our understanding of cause and effect and hence the continuing need for a timely and authoritative series addressing these issues. This volume seeks to review and defme our contemporary understanding of acid deposition by reference to new international data and as a consequence assist the definition of our future research requirements and policy developments. International contributions to the volume are drawn from the Federal Republic of Germany, the U.S.A., Canada, Brazil, Switzerland, Austria, Israel, France and the United Kingdom. Some of these nations have experienced acid deposition on a regional scale for considerable periods of time; for others the phenomenon is an emerging problem. This collection of papers has been compiled by invitation to eminent members of the acid deposition research community and by selection from a carefully targeted call for papers. It is primarily designed to meet the needs of researchers, lecturers and postgraduate students in environmental disciplines and for environmental policy makers. It is of interest to professionals in related disciplines and essential as a reference text for libraries. The volume is divided into four broad themes: Emissions, chemistry and deposition; Ecosystem effects (freshwater, soils and forest systems); Effects on structural materials; Mitigation, control and management. Each of these sections provides an overview of contemporary understanding, presents new experimental or field evidence and provides guidance for our future research agenda.
