Stream Channel Adjustments Following Logging Road Removal in Redwood National Park (Classic Reprint) - Softcover
Inhaltsangabe
Excerpt from Stream Channel Adjustments Following Logging Road Removal in Redwood National Park
When roads are constructed across streams, a large amount of fill material (soil) is bulldozed into the stream channel to build the road bed up to grade. A major part of the ongoing watershed restoration program includes the removal of this road fill material from skid trail and haul road stream crossings (figure Excavation of road fill from stream crossings is given high priority because of the relatively high potential for significant erosional damage. For example, during extreme runoff events, plugged culverts may divert streamflow and cause gullying of hillslopes and road beds while saturated stream crossings can fail as destructive debris torrents.
Figure 1. Location map of lower Redwood Creek showing Redwood National Park lands in the lower one-third of the basin.
Figure 2. Logging road stream crossing before (a) and after (b) excavation. Excavation has uncovered cobbles and boulders that composed the original stream bed.
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.
Die Inhaltsangabe kann sich auf eine andere Ausgabe dieses Titels beziehen.
Weitere beliebte Ausgaben desselben Titels
Suchergebnisse für Stream Channel Adjustments Following Logging Road Removal...
Foto des Verkäufers
Stream Channel Adjustments Following Logging Road Removal in Redwood National
Print-on-DemandAnbieter: Forgotten Books, London, Vereinigtes Königreich
Verkäuferbewertung 4 von 5 Sternen
Paperback. Zustand: New. Print on Demand. This book examines the stream adjustments following the excavation of road fill and culverts from stream crossings in Redwood National Park after a watershed restoration program was initiated in 1978. The excavated channels were then studied for erosion and armor size adjustments over a winter season in 1982. The author's primary intent is to calculate the relative importance of on-site variables contributing to these channel adjustments and to create testable criteria for the design of more stable excavations. Specific variables studied include the stream's hydraulics, stream bank material, bank material clay content, coarse fragment content, organic debris left behind after excavation, and particle size distribution of the streambed. The author employs advanced statistical analysis to evaluate this complex system of variables and their effects on erosion and armor size. The study reveals that the input of stream power (a product of stream discharge and gradient) and the resistance provided by coarse organic material are the primary factors influencing channel stability. The author concludes by suggesting that understanding these variables and their effects should help land managers and geomorphologists improve the stability of stream excavations during watershed restoration. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9780331034974_0
Neu kaufen
EUR 15,85
Versand gratis
Versand von Vereinigtes Königreich nach USA
Versand von Vereinigtes Königreich nach USA
Anzahl: Mehr als 20 verfügbar
Beispielbild für diese ISBN
Stream Channel Adjustments Following Logging Road Removal in Redwood National Park (Classic Reprint)
Anbieter: PBShop.store US, Wood Dale, IL, USA
Verkäuferbewertung 5 von 5 Sternen
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780331034974
Beispielbild für diese ISBN
Stream Channel Adjustments Following Logging Road Removal in Redwood National Park (Classic Reprint)
Anbieter: PBShop.store UK, Fairford, GLOS, Vereinigtes Königreich
Verkäuferbewertung 5 von 5 Sternen
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780331034974
Neu kaufen
EUR 24,98
EUR 3,88 Versand
Versand von Vereinigtes Königreich nach USA
Versand von Vereinigtes Königreich nach USA
Anzahl: 15 verfügbar