Hydrologic Properties Of Soils On 3 Small Watersheds In Western Cascades Of Oregon
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Hydrologic Properties Of Soils On 3 Small Watersheds In Western Cascades Of Oregon
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Author :
language : en
Publisher:
Release Date : 1969
Hydrologic Properties Of Soils On 3 Small Watersheds In Western Cascades Of Oregon written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Cascade Range categories.
Hydrologic Properties Of Soils On Three Small Watersheds In The Western Cascades Of Oregon Classic Reprint
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Author : C. T. Dyrness
language : en
Publisher: Forgotten Books
Release Date : 2017-11-18
Hydrologic Properties Of Soils On Three Small Watersheds In The Western Cascades Of Oregon Classic Reprint written by C. T. Dyrness and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-18 with Technology & Engineering categories.
Excerpt from Hydrologic Properties of Soils on Three Small Watersheds in the Western Cascades of Oregon Eight soil series have been proposed and mapped on the water sheds. These series have not been coordinated into the system of the National Cooperative Soil Survey so that changes in names and defini tions are possible. Two series have not been given names but are referred to by the letters A and M. Further subdivisions within the series, based on characteristics of stoniness, slope, and landform, have resulted in the use of 46 mapping units (table The two most widely occurring series are the Limberlost and A. These are followed by the Frissell and Budworm series in decreasing order of occurrence. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Hydrologic Properties Of Soils On Three Small Watersheds In The Western Cascades Of Oregon
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Author : C. T. Dyrness
language : en
Publisher:
Release Date : 1969
Hydrologic Properties Of Soils On Three Small Watersheds In The Western Cascades Of Oregon written by C. T. Dyrness and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.
Hydrologic And Related Characteristics Of Three Small Watersheds In The Oregon Cascades
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Author : Jack Rothacher
language : en
Publisher:
Release Date : 1967
Hydrologic And Related Characteristics Of Three Small Watersheds In The Oregon Cascades written by Jack Rothacher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Watersheds categories.
Hydrology Of Small Forest Streams In Western Oregon
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Author : Robert Dennis Harr
language : en
Publisher:
Release Date : 1976
Hydrology Of Small Forest Streams In Western Oregon written by Robert Dennis Harr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Hydrology categories.
The hydrology of small forest streams in western Oregon varies by time and space in terms of both streamflow and channel hydraulics. Overland flow rarely occurs on undisturbed soils. Instead, water is transmitted rapidly through soils to stream channels by displacement of stored soil water. Drainage networks expand and contract according to the interaction between precipitation characteristics and soil's capability to store and transmit water. Drainage networks are more extensive in winter than in summer. Streamflow may he 1,000 to 5,000 times greater during winter storms than during summer low flow. A stream's kinetic energy varies along with streamflow. Channel width and depth, heterogeneity of bed materials, and the accumulation of large, organic debris affects the dissipation of kinetic energy. Clearcutting can increase relatively small peak flows, but forest roads and extensive areas of soil compacted by other means may increase larger peak flows. Both roadbuilding and clearcutting can cause soil mass movements, which can drastically alter a stream's channel hydraulics by adding debris or scouring the charnel to bedrock. Removal of naturally occurring organic debris that has become part of a stable channel can accelerate bed and bank erosion.
Hydrologic And Related Characteristics Of 3 Small Watersheds In Oregon Cascades
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Author :
language : en
Publisher:
Release Date : 1967
Hydrologic And Related Characteristics Of 3 Small Watersheds In Oregon Cascades written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Watersheds categories.
Nbs Special Publication
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Author :
language : en
Publisher:
Release Date : 1971
Nbs Special Publication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Weights and measures categories.
Usda Forest Service General Technical Report Pnw
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Author :
language : en
Publisher:
Release Date : 1976
Usda Forest Service General Technical Report Pnw written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Forests and forestry categories.
Forest And Range Soils Research In Oregon And Washington
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Author :
language : en
Publisher:
Release Date : 1976
Forest And Range Soils Research In Oregon And Washington written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.
Forest Practices And Streamflow In Western Oregon
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Author : Robert Dennis Harr
language : en
Publisher:
Release Date : 1976
Forest Practices And Streamflow In Western Oregon written by Robert Dennis Harr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Forest roads categories.
Forest management activities, including roadbuilding, clearcut logging, and broadcast burning, can change certain portions of the forest hydrologic cycle. Watershed studies and other hydrologic research in the Coast and western Cascade Ranges of Oregon have shown that these changes may increase annual water yield up to 62 centimeters, double minimum flows in summer, and increase fall peak flows up to 200 percent and small winter peak flows up to 45 percent in small watersheds. Changes in streamflow resulting from clearcut logging had little effect on either onsite damage to stream channels and hydraulic structures or downstream flooding when yarding caused only light disturbance of soil. By increasing the size of larger peak flows, roadbuilding and soil compaction may cause onsite damage in small, headwater basins. Increases in annual yield and minimum flows may be substantial on small watersheds that are clearcut; under sustained yield forest management, such increases are masked in large, parent watersheds by unaltered streamflow from unlogged watersheds.