Changes In Morphology And Riparian Vegetation Following Flow Regulation Peace River 1968 And 1993
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Changes In Morphology And Riparian Vegetation Following Flow Regulation Peace River 1968 And 1993
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Author : Michael Anthony Church
language : en
Publisher:
Release Date : 1997
Changes In Morphology And Riparian Vegetation Following Flow Regulation Peace River 1968 And 1993 written by Michael Anthony Church and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.
Describes results of an investigation into the impacts of regulation on the Alberta portion of the Peace River channel and its associated vegetative cover downstream of the Bennett Dam in British Columbia, installed in 1967. Four representative reaches of the river totalling 500 kilometres were selected for examination of changes between 1968 and 1993. Study methodology involved constructing maps of river morphology and principal riparian vegetation communities from air photographs taken at various dates. In addition, extended vegetation mapping was provided on the 1993 maps to show the valley-side vegetation beyond the riparian zone. Morphological changes are summarized in 31 sub-reaches of 10-25 kilometres in length. River morphology is summarized in six major elements: water surface, unvegetated and vegetated bar surface, island surface, floodplain surface, and tributary alluvial fans within the floodplain. A dominant pattern of riparian succession is also noted.
The Regulation Of Peace River
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Author : Michael Church
language : en
Publisher: John Wiley & Sons
Release Date : 2014-12-31
The Regulation Of Peace River written by Michael Church and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-31 with Science categories.
This book presents a comprehensive overview of the first longitudinal study of the downstream response of a major river to the establishment of a large hydropower facility and dams. Peace River, a northward flowing boreal river in northwestern Canada was dammed in 1967 and the book describes the morphological response of the 1200 km downstream channel and the response of riparian vegetation to the change in flow regime over the first forty years of regulated flows. Beginning with a description of the effect of regulation on the flow and sediment regimes of the river, the book proceeds to study changes in downstream channel geometry on the main stem, on the lowermost course of tributaries, and on the hydraulic geometry, the overall morphology of the channel, and riparian vegetation succession. The river is subject to annual freeze-up and break-up, so a chapter is devoted to the ice regime of the river. A chapter compares the effects of two extraordinary post-regulation flood events. The penultimate chapter presents a prediction of the ultimate equilibrium form of the regulated river based on rational regime theory. An online database of all the main observations will provide invaluable material for advanced students of river hydraulics and geomorphology. This book carefully brings together a range of studies that have been previously inaccessible providing a rare and comprehensive analysis of the effects of a big dam on a river, a river that itself represents an example of the kind of system that is likely to receive considerable attention in the future from dam engineers and environmentalists. • An invaluable reference to river scientists, hydroelectric power developers, engineers and environmentalists • Focus on a northward flowing boreal river, a type that holds most of the remaining hydroelectric power potential in the Northern Hemisphere • Exceptional separation of water and sediment sources, permitting study of the isolated effect of manipulating one of the two major governing conditions of river processes and form • Unique example of water regulation and both natural and engineered flood flows • Detailed study of both morphological changes of the channel and of the riparian vegetation • Online data supplement including major data tables and numerous maps. Details of the main observations and provides material for problem study by advanced students of river hydraulics and geomorphology are provided
Northern River Basins Study
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Author : Northern River Basins Study (Canada)
language : en
Publisher:
Release Date : 1996
Northern River Basins Study written by Northern River Basins Study (Canada) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Nature categories.
Report to the federal ministers of Environment and Indian & Northern Affairs, Alberta's Minister of Environmental Protection, and NWT's Minister of Renewable Resources. Summarises the main scientific findings of the Northern River Basins Study, which was established to examine the relationship between industrial, municipal, agricultural, and other development and the Peace, Athabasca, and Slave River basins. Reviews the characteristics of the northern river basins and their peoples, the organisation of the Study, and major findings in the areas of environmental overview, use of aquatic resources, traditional knowledge, flow regulation, fish distribution and habitat, nutrients, dissolved oxygen, contaminants, drinking water, ecosystem health, modelling, human health, and cumulative effects. Recommendations by the Study Board, First Nations, and scientific advisors regarding such issues as basin management, monitoring, research, public participation, and a successor organisation are then presented. Also includes a summary of opinions, suggestions, and recommendations expressed at 17 community workshops held throughout the northern river basins area.
A Pilot Study Of The Use Of Remote Sensing To Analyse Fish Habitat Peace River July To October 1994
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Author : Rick F. Courtney
language : en
Publisher:
Release Date : 1997
A Pilot Study Of The Use Of Remote Sensing To Analyse Fish Habitat Peace River July To October 1994 written by Rick F. Courtney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.
Impacts Of Flow Regulation On The Aquatic Ecosystem Of The Peace And Slave Rivers
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Author : Terry Donald Prowse
language : en
Publisher:
Release Date : 1996
Impacts Of Flow Regulation On The Aquatic Ecosystem Of The Peace And Slave Rivers written by Terry Donald Prowse and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Nature categories.
The NTBS was designed to address the ecological concerns about pulp mill expansion, and to increase scientific knowledge about environmental conditions [ecology, ecosystem sustainability, water pollution and control, habitat, effect on fish and fishing, etc.] in the major river systems of the north. The study's objectives were to gather and interpret sound scientific information about the basins, develop appropriate recommendations for basin management, and communicate effectively with the public. The government response report confirms the governments' commitment to ecosystem sustainability and to pollution control in northern rivers. First Nations and Metis aboriginal [native] peoples contributed significantly to the NRBS.
Technical Reports Of The Northern River Basins Study By Subject And Geographical Area Studied
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Author : Mark S. J. Ouellett
language : en
Publisher:
Release Date : 1997
Technical Reports Of The Northern River Basins Study By Subject And Geographical Area Studied written by Mark S. J. Ouellett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Aquatic ecology categories.
Lists Northern River Basins Study technical reports by issue number, subject, and geographic area studied. Subject areas used to classify the reports are: hydrology/hydraulics, nutrients/dissolved oxygen, contaminants, food chain, drinking water, other uses, traditional knowledge, and synthesis and modelling. Ten geographic divisions are used: three each for the Athabasca and Peace Rivers, and one each of the Wapiti/Smoky rivers, Peace-Athabasca Delta, Lake Athabasca, and Rivière des Rochers/Slave River.
Riparian Areas
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2002-10-10
Riparian Areas written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-10-10 with Science categories.
The Clean Water Act (CWA) requires that wetlands be protected from degradation because of their important ecological functions including maintenance of high water quality and provision of fish and wildlife habitat. However, this protection generally does not encompass riparian areasâ€"the lands bordering rivers and lakesâ€"even though they often provide the same functions as wetlands. Growing recognition of the similarities in wetland and riparian area functioning and the differences in their legal protection led the NRC in 1999 to undertake a study of riparian areas, which has culminated in Riparian Areas: Functioning and Strategies for Management. The report is intended to heighten awareness of riparian areas commensurate with their ecological and societal values. The primary conclusion is that, because riparian areas perform a disproportionate number of biological and physical functions on a unit area basis, restoration of riparian functions along America's waterbodies should be a national goal.
Proceedings Of The Northern River Basins Study Instream Flow Needs Workshop October 14 15 1993 And January 6 7 1994
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Author : Gordon L. Walder
language : en
Publisher:
Release Date : 1996
Proceedings Of The Northern River Basins Study Instream Flow Needs Workshop October 14 15 1993 And January 6 7 1994 written by Gordon L. Walder and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Nature categories.
The need to address instream flow needs (IFN) in the Northern River Basins Study arises primarily from issues related to flow regulation on the Peace River. Flow regulation may have effects on fish habitats and has clearly affected riparian habitats in the study area. This report presents proceedings of a workshop held to review methods and approaches for conducting IFN analyses, to consider their applicability to the northern river basins, and to develop recommendations for undertaking IFN investigations as part of the Study. The workshop included two sessions, one on IFN related to fisheries and aquatic habitats and one on IFN related to riparian and delta habitats. Topics of presentations and papers include river hydrology, water quality considerations, vegetation studies, instream flow assessment, winter habitat, implications of river impoundment, modelling of wildlife habitat, channel morphology, sediment transport, and wetland vegetation management.
Dams And Geomorphology
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Author : P.J. Beyer
language : en
Publisher: Elsevier
Release Date : 2005-12-19
Dams And Geomorphology written by P.J. Beyer and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-19 with Science categories.
Dams profoundly impact the geomorphology of rivers by altering the natural patterns of water, sediment and energy flow in rivers. These changes have a largely negative impact on aquatic and riparian ecosystems upstream and downstream of the dam. Natural dams also impact river geomorphology, although with positive and negative repercussions for aquatic and riparian organisms. In 2002, the 33rd Binghamton Geomorphology Symposium convened under the theme "Dams and Morphology," and featured invited papers and contributed posters on topics of natural dams, artificial dams, and dam removal. Fourteen of these papers have been included in this volume.
Regulated Rivers
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Author : Albert Lillehammer
language : en
Publisher:
Release Date : 1984
Regulated Rivers written by Albert Lillehammer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Law categories.
Taken from the proceedings of the Second International Symposium on Regulated Streams, these essays cover problems of river regulation, considering both the theoretical implications and the practical effects of these measures. International in scope, this collection will provide new insight into the topic for freshwater biologists and others concerned with the research and planning of water power projects.