Stream Channel Responses To Streamflow Diversion On Small Streams Of The Snake River Drainage Idaho
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Stream Channel Responses To Streamflow Diversion On Small Streams Of The Snake River Drainage Idaho
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Author : Carolyn C. Bohn
language : en
Publisher:
Release Date : 2000
Stream Channel Responses To Streamflow Diversion On Small Streams Of The Snake River Drainage Idaho written by Carolyn C. Bohn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Forests and forestry categories.
The effects on channels of small, low-head seasonal water diversions in the Snake River drainage were investigated. Channels below small diversions were compared to the channels immediately above the same diversions to determine if differences in flow conveyance, substrate sediment size distribution, or streamside vegetation density were present. Estimates of flow conveyance were greater above the diversions, as measured by the area between the edges of vegetation on both banks, and by frequent-flow indicators, which generally approximated bankfull stage. No significant difference in substrate particle size or in channel roughness was found between channels above and below diversions. Although use histories of the diversions were not available, limited observations and conversations with users suggest that many of the diversion structures did not substantially divert high springtime flows so that passage of channel-forming flows probably occurred. Some diversion structures apparently divert or trap a portion of the bedload. Stem diameters of vegetation 6 to 48 inches above the ground were significantly larger above the diversions. Tests of stem densities were not significant. Stratification by substrate, season and size of diversion, community type, and source of summer water may be necessary to properly evaluate the effects of small diversions on vegetation stem density and vigor. The elevation of the edge of vegetation appears to be a viable alternative to frequent flow or bankfull indicators for estimating flow conveyance. It also addresses the question of vegetative encroachment into the channel. Use of the edge of vegetation as a channel feature for flow estimates merits further testing. It appears that the operation of the small forest stream diversions studied has not substantially altered most of the parameters studied. Past hydrographs and historical hydrologic data, however, are needed to fully evaluate the channel and vegetation responses.
Research Paper Rmrs
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Author :
language : en
Publisher:
Release Date : 1998
Research Paper Rmrs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Forests and forestry categories.
Vegetation Of The Glacier Lakes Ecosystem Experiments Site
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Author : Claudia M. Regan
language : en
Publisher:
Release Date : 1998
Vegetation Of The Glacier Lakes Ecosystem Experiments Site written by Claudia M. Regan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Biotic communities categories.
Vegetation at the Glacier Lakes Ecosystem Experiment Site, a 600 ha research site at 3200 to 3500 m elevation in the Snowy Range of southeastern Wyoming, was categorized and described from an intensive sampling of species abundances. A total of 304 vascular plant taxa were identified through collection and herbarium documentation. Plots with tree species were separated from those without tree species for ordination and classification analyses. Detrended correspondence analysis was used to order plots along major axes of composition variation, which are inferred moisture and topographic gradients. Cluster analysis was used to categorize plots based on composition similarity. The resulting groups were named according to species dominants. We identified and described in detail 4 meadow, 4 thicket or scrub, 3 krummholz, and 2 forest plant associations.
New Publications
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Author :
language : en
Publisher:
Release Date : 2000
New Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Forests and forestry categories.
Quantifying Channel Maintenance Instream Flows
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Author : Larry J. Schmidt
language : en
Publisher:
Release Date : 2004
Quantifying Channel Maintenance Instream Flows written by Larry J. Schmidt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Bed load categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 2000-07
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-07 with Government publications categories.
Stream Channel Responses To Streamflow Diversion On Small Streams Of The Snake River Drainage Idaho
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Author : Carolyn C. Bohn
language : en
Publisher:
Release Date : 1998
Stream Channel Responses To Streamflow Diversion On Small Streams Of The Snake River Drainage Idaho written by Carolyn C. Bohn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Forests and forestry categories.
Planning And Layout Of Small Stream Diversions
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Author : Dan S. Axness, Kin Clarkin
language : en
Publisher:
Release Date :
Planning And Layout Of Small Stream Diversions written by Dan S. Axness, Kin Clarkin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Bibliography Of Agriculture With Subject Index
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Author :
language : en
Publisher:
Release Date : 2000
Bibliography Of Agriculture With Subject Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Agriculture categories.
Preliminary Delineation Of Natural Geochemical Reactions Snake River Plain Aquifer System Idaho National Engineering Laboratory And Vicinity Idaho
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Author : LeRoy L. Knobel
language : en
Publisher:
Release Date : 1997
Preliminary Delineation Of Natural Geochemical Reactions Snake River Plain Aquifer System Idaho National Engineering Laboratory And Vicinity Idaho written by LeRoy L. Knobel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Geochemistry categories.