The Spatial Variation And Routine Sampling Of Spawning Gravels In Small Coastal Streams

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The Spatial Variation and Routine Sampling of Spawning Gravels in Small Coastal Streams

Author : Stephen Rice
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis The Spatial Variation and Routine Sampling of Spawning Gravels in Small Coastal Streams by : Stephen Rice

Download or read book The Spatial Variation and Routine Sampling of Spawning Gravels in Small Coastal Streams written by Stephen Rice and published by . This book was released on 1995 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Size distribution of sediments in the bed of a stream channel is a significant characteristic of fish habitat. This study documents & attempts to explain spatial variations in bed material texture in two creeks on the Queen Charlotte Islands. Representative subsurface samples were collected at 29 fish spawning sites and surface material was characterized at 35 sites. An expedient photographic technique provided limited surface information at 116 sites. Detailed sediment sampling, magnetic tracer stones, and scour chains were used to study the impact of log jams on grain size. Particular attention is given to spawning sites and how texture varies between such sites along the stream. The information is used to develop general sampling criteria for characterizing fish spawning gravel texture in similar channels.

Sampling Surface and Subsurface Particle-size Distributions in Wadable Gravel- and Cobble-bed Streams for Analyses in Sediment Transport, Hydraulics, and Streambed Monitoring

Download Sampling Surface and Subsurface Particle-size Distributions in Wadable Gravel- and Cobble-bed Streams for Analyses in Sediment Transport, Hydraulics, and Streambed Monitoring PDF Online Free

Author : Kristin Bunte
Publisher :
ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Sampling Surface and Subsurface Particle-size Distributions in Wadable Gravel- and Cobble-bed Streams for Analyses in Sediment Transport, Hydraulics, and Streambed Monitoring by : Kristin Bunte

Download or read book Sampling Surface and Subsurface Particle-size Distributions in Wadable Gravel- and Cobble-bed Streams for Analyses in Sediment Transport, Hydraulics, and Streambed Monitoring written by Kristin Bunte and published by . This book was released on 2001 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document provides guidance for sampling surface and subsurface sediment from wadable gravel-and cobble-bed streams. After a short introduction to streams types and classifications in gravel-bed rivers, the document explains the field and laboratory measurement of particle sizes and the statistical analysis of particle-size distributions. Analysis of particle parameters, including shape, density, and bulk density are also discussed. The document describes the spatial variability of bed-material particle sizes as well as the horizontal and vertical structure of particle deposits. The discussion of sampling procedures and equipment helps the user to make appropriate selections that support the sampling objective. Sample-size estimates may be obtained from empirical data or computed from statistical relationships between sample size and accuracy. The document explains a variety of methods, their usage and prerequisites. A detailed discussion of sampling schemes guides the user to select appropriate spatial sampling patterns necessary to produce representative samples.

General Technical Report RMRS

Author :
Publisher :
ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis General Technical Report RMRS by :

Download or read book General Technical Report RMRS written by and published by . This book was released on 1998 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Laser Scanning for the Environmental Sciences

Author : George Heritage
Publisher : John Wiley & Sons
ISBN 13 : 9781444311945
Total Pages : 288 pages
Book Rating : 4.3/5 (119 download)

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Book Synopsis Laser Scanning for the Environmental Sciences by : George Heritage

Download or read book Laser Scanning for the Environmental Sciences written by George Heritage and published by John Wiley & Sons. This book was released on 2009-05-06 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: 3D surface representation has long been a source of information describing surface character and facilitating an understanding of system dynamics from micro-scale (e.g. sand transport) to macro-scale (e.g. drainage channel network evolution). Data collection has been achieved through field mapping techniques and the use of remotely sensed data. Advances in this latter field have been considerable in recent years with new rapid-acquisition methods being developed centered around laser based technology. The advent of airborne and field based laser scanning instruments has allowed researchers to collect high density accurate data sets and these are revealing a wealth of new information and generating important new ideas concerning terrain characterisation and landform dynamics. The proposed book collates a series of invited peer revieved papers presented at the a conference on geoinformatics and LIDAR to be held at the National Centre for Geocomputation based in the National University of Ireland, Maynooth. Current constraints in field survey and DEM construction are reviewed together with technical and applied issues around the new technology. The utility of the data in process modelling is also covered. The book will be of great value to researchers in the field of geomorphology, geostatistics, remote sensing and GIS and will prove extremely useful to students and practitioners concerned with terrain analysis. The proposed work will: Highlight major technological breakthrough in 3D data collection. Feature examples of application across a wide range of environmental areas. Critically evaluate the role of laser based techniques in the environment. Detail theory and application of laser techniques in the natural environment.

Process Models and Theoretical Geomorphology

Author : M. J. Kirkby
Publisher :
ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Process Models and Theoretical Geomorphology by : M. J. Kirkby

Download or read book Process Models and Theoretical Geomorphology written by M. J. Kirkby and published by . This book was released on 1994-03-08 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multinational contributors present articles on a wide range of themes but with important convergences of interest on critical topics. A group of papers on tectonic and general approaches reviews the role of randomness in process models and provides a novel theoretical analysis of the relationships between tectonic and erosional forces. Selections on channel processes reflect current interest in gravel bed rivers, related to their widespread occurrence in mountain areas and in braided systems. Articles on valley heads bring together views from several, sometimes conflicting, research approaches. The final group of contributions illustrate the range of problems to which theoretical methods in geomorphology can now be applied.

Ecology of Atlantic Salmon and Brown Trout

Author : Bror Jonsson
Publisher : Springer Science & Business Media
ISBN 13 : 9400711891
Total Pages : 720 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Ecology of Atlantic Salmon and Brown Trout by : Bror Jonsson

Download or read book Ecology of Atlantic Salmon and Brown Trout written by Bror Jonsson and published by Springer Science & Business Media. This book was released on 2011-05-03 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Destruction of habitat is the major cause for loss of biodiversity including variation in life history and habitat ecology. Each species and population adapts to its environment, adaptations visible in morphology, ecology, behaviour, physiology and genetics. Here, the authors present the population ecology of Atlantic salmon and brown trout and how it is influenced by the environment in terms of growth, migration, spawning and recruitment. Salmonids appeared as freshwater fish some 50 million years ago. Atlantic salmon and brown trout evolved in the Atlantic basin, Atlantic salmon in North America and Europe, brown trout in Europe, Northern Africa and Western Asia. The species live in small streams as well as large rivers, lakes, estuaries, coastal seas and oceans, with brown trout better adapted to small streams and less well adapted to feeding in the ocean than Atlantic salmon. Smolt and adult sizes and longevity are constrained by habitat conditions of populations spawning in small streams. Feeding, wintering and spawning opportunities influence migratory versus resident lifestyles, while the growth rate influences egg size and number, age at maturity, reproductive success and longevity. Further, early experiences influence later performance. For instance, juvenile behaviour influences adult homing, competition for spawning habitat, partner finding and predator avoidance. The abundance of wild Atlantic salmon populations has declined in recent years; climate change and escaped farmed salmon are major threats. The climate influences through changes in temperature and flow, while escaped farmed salmon do so through ecological competition, interbreeding and the spreading of contagious diseases. The authors pinpoint essential problems and offer suggestions as to how they can be reduced. In this context, population enhancement, habitat restoration and management are also discussed. The text closes with a presentation of what the authors view as major scientific challenges in ecological research on these species.

Rapid Bioassessment Protocols for Use in Wadeable Streams and Rivers

Author : United States. Environmental Protection Agency. Office of Water
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Rapid Bioassessment Protocols for Use in Wadeable Streams and Rivers by : United States. Environmental Protection Agency. Office of Water

Download or read book Rapid Bioassessment Protocols for Use in Wadeable Streams and Rivers written by United States. Environmental Protection Agency. Office of Water and published by . This book was released on 1999 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Guidelines for Monitoring Fine Sediment Deposition in Streams

Author : John F. Rex
Publisher : Resources Information Standards Committee
ISBN 13 : 9780772648105
Total Pages : 117 pages
Book Rating : 4.6/5 (481 download)

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Book Synopsis Guidelines for Monitoring Fine Sediment Deposition in Streams by : John F. Rex

Download or read book Guidelines for Monitoring Fine Sediment Deposition in Streams written by John F. Rex and published by Resources Information Standards Committee. This book was released on 2002 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Water Quality Assessments

Author : Deborah V Chapman
Publisher : CRC Press
ISBN 13 : 0419215905
Total Pages : 658 pages
Book Rating : 4.4/5 (192 download)

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Book Synopsis Water Quality Assessments by : Deborah V Chapman

Download or read book Water Quality Assessments written by Deborah V Chapman and published by CRC Press. This book was released on 1996-08-22 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guidebook, now thoroughly updated and revised in its second edition, gives comprehensive advice on the designing and setting up of monitoring programmes for the purpose of providing valid data for water quality assessments in all types of freshwater bodies. It is clearly and concisely written in order to provide the essential information for all agencies and individuals responsible for the water quality.

Estuarine and Coastal Marine Waters

Author :
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Estuarine and Coastal Marine Waters by :

Download or read book Estuarine and Coastal Marine Waters written by and published by . This book was released on 2000 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Stream Corridor Restoration

Author :
Publisher : National Technical Info Svc
ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Stream Corridor Restoration by :

Download or read book Stream Corridor Restoration written by and published by National Technical Info Svc. This book was released on 1998 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is a cooperative effort among fifteen Federal agencies and partners to produce a common reference on stream corridor restoration. It responds to a growing national and international interest in restoring stream corridors.

Residence Times and Nitrate Transport in Ground Water Discharging to Streams in the Chesapeake Bay Watershed

Author :
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Residence Times and Nitrate Transport in Ground Water Discharging to Streams in the Chesapeake Bay Watershed by :

Download or read book Residence Times and Nitrate Transport in Ground Water Discharging to Streams in the Chesapeake Bay Watershed written by and published by . This book was released on 2003 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Stream Periphyton Monitoring Manual

Author : B. J. Biggs
Publisher :
ISBN 13 : 9780478090994
Total Pages : 226 pages
Book Rating : 4.0/5 (99 download)

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Book Synopsis Stream Periphyton Monitoring Manual by : B. J. Biggs

Download or read book Stream Periphyton Monitoring Manual written by B. J. Biggs and published by . This book was released on 2000 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Stream Enhancement Guide

Author : D.B. Lister & Associates
Publisher : Government of Canada, Fisheries and Oceans, 1980 (1983 printing)
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (327 download)

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Book Synopsis Stream Enhancement Guide by : D.B. Lister & Associates

Download or read book Stream Enhancement Guide written by D.B. Lister & Associates and published by Government of Canada, Fisheries and Oceans, 1980 (1983 printing). This book was released on 1980 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Regional Impacts of Climate Change

Author : Intergovernmental Panel on Climate Change. Working Group II.
Publisher : Cambridge University Press
ISBN 13 : 9780521634557
Total Pages : 532 pages
Book Rating : 4.6/5 (345 download)

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Book Synopsis The Regional Impacts of Climate Change by : Intergovernmental Panel on Climate Change. Working Group II.

Download or read book The Regional Impacts of Climate Change written by Intergovernmental Panel on Climate Change. Working Group II. and published by Cambridge University Press. This book was released on 1998 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cambridge, UK : Cambridge University Press, 1998.

Stream Ecology

Author : J. David Allan
Publisher : Springer Science & Business Media
ISBN 13 : 9401107297
Total Pages : 385 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Stream Ecology by : J. David Allan

Download or read book Stream Ecology written by J. David Allan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Running waters are enormously diverse, ranging from torrential mountain brooks, to large lowland rivers, to great river systems whose basins occupy subcontinents. While this diversity makes river ecosystems seem overwhelmingly complex, a central theme of this volume is that the processes acting in running waters are general, although the settings are often unique. The past two decades have seen major advances in our knowledge of the ecology of streams and rivers. New paradigms have emerged, such as the river continuum and nutrient spiraling. Community ecologists have made impressive advances in documenting the occurrence of species interactions. The importance of physical processes in rivers has attracted increased attention, particularly the areas of hydrology and geomorphology, and the inter-relationships between physical and biological factors have become better understood. And as is true for every area of ecology during the closing years of the twentieth century it has become apparent that the study of streams and rivers cannot be carried out by excluding the role of human activities, nor can we ignore the urgency of the need for conservation. These developments are brought together in Stream Ecology: Structure and function of running waters, designed to serve as a text for advanced undergraduate and graduate students, and as a reference book for specialists in stream ecology and related fields.

Open Channel Hydraulics, River Hydraulic Structures and Fluvial Geomorphology

Author : Artur Radecki-Pawlik
Publisher : CRC Press
ISBN 13 : 1498730833
Total Pages : 517 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Open Channel Hydraulics, River Hydraulic Structures and Fluvial Geomorphology by : Artur Radecki-Pawlik

Download or read book Open Channel Hydraulics, River Hydraulic Structures and Fluvial Geomorphology written by Artur Radecki-Pawlik and published by CRC Press. This book was released on 2017-09-07 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents practical hydraulic and river engineering research along with fluvial geomorphological concepts, and links the theoretical and practical knowledge of people working every day with rivers, streams, and hydraulic structures to fluvial geomorphology. Besides providing a guide for professionals, this book also provides material for students to acquire the knowledge and skills to rehabilitate rivers, streams, and waterways.