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Dams and Geomorphology

Dams and Geomorphology
Author: P.J. Beyer
Publisher: Elsevier
Total Pages: 272
Release: 2005-12-19
Genre: Science
ISBN: 9780444522313

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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.


California Exposures: Envisioning Myth and History

California Exposures: Envisioning Myth and History
Author: Richard White
Publisher: W. W. Norton & Company
Total Pages: 475
Release: 2020-03-17
Genre: History
ISBN: 0393243079

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Winner of the 2021 California Book Award (Californiana category) A brilliant California history, in word and image, from an award-winning historian and a documentary photographer. “This is the West, sir. When the legend becomes fact, print the legend.” This indelible quote from The Man Who Shot Liberty Valance applies especially well to California, where legend has so thoroughly become fact that it is visible in everyday landscapes. Our foremost historian of the West, Richard White, never content to “print the legend,” collaborates here with his son, a talented photographer, in excavating the layers of legend built into California’s landscapes. Together they expose the bedrock of the past, and the history they uncover is astonishing. Jesse White’s evocative photographs illustrate the sites of Richard’s historical investigations. A vista of Drakes Estero conjures the darkly amusing story of the Drake Navigators Guild and its dubious efforts to establish an Anglo-Saxon heritage for California. The restored Spanish missions of Los Angeles frame another origin story in which California’s native inhabitants, civilized through contact with friars, gift their territories to white settlers. But the history is not so placid. A quiet riverside park in the Tulare Lake Basin belies scenes of horror from when settlers in the 1850s transformed native homelands into American property. Near the lake bed stands a small marker commemorating the Mussel Slough massacre, the culmination of a violent struggle over land titles between local farmers and the Southern Pacific Railroad in the 1870s. Tulare is today a fertile agricultural county, but its population is poor and unhealthy. The California Dream lives elsewhere. The lake itself disappeared when tributary rivers were rerouted to deliver government-subsidized water to big agriculture and cities. But climate change ensures that it will be back—the only question is when.


The California Debris Commission

The California Debris Commission
Author: Joseph Jeremiah Hagwood (Jr.)
Publisher:
Total Pages: 124
Release: 1981
Genre: Government publications
ISBN:

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Improving American River Flood Frequency Analyses

Improving American River Flood Frequency Analyses
Author: National Research Council
Publisher: National Academies Press
Total Pages: 132
Release: 1999-04-28
Genre: Science
ISBN: 0309173124

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Sacramento, California, has grown literally at the edge of the Sacramento and American Rivers and for 150 years has struggled to protect itself from periodic floods by employing structural and land management measures. Much of the population lives behind levees, and most of the city's downtown business and government area is vulnerable to flooding. A major flood in 1986 served as impetus for efforts by federal, state, and local entities to identify an acceptable and feasible set of measures to increase Sacramento's level of safety from American River floods. Numerous options were identified in 1991 by the U.S. Army Corps of Engineers (USACE) in a report known as the American River Watershed Investigation. Due to the controversial nature of many of the alternatives identified in that report, study participants were not able to reach consensus on any of the flood control options. In response, the Congress directed the USACE to reevaluate available flood control options and, at the same time, asked the USACE to engage the National Research Council (NRC) as an independent advisor on these difficult studies. In 1995 NRC's Committee on Flood Control Alternatives in the American River Basin issued Flood Risk Management and the American River Basin: An Evaluation. This report outlined an approach for improving the selection of a flood risk reduction strategy from the many available.


River Dynamics

River Dynamics
Author: Bruce L. Rhoads
Publisher: Cambridge University Press
Total Pages: 527
Release: 2020-05-07
Genre: Science
ISBN: 1108168981

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Rivers are important agents of change that shape the Earth's surface and evolve through time in response to fluctuations in climate and other environmental conditions. They are fundamental in landscape development, and essential for water supply, irrigation, and transportation. This book provides a comprehensive overview of the geomorphological processes that shape rivers and that produce change in the form of rivers. It explores how the dynamics of rivers are being affected by anthropogenic change, including climate change, dam construction, and modification of rivers for flood control and land drainage. It discusses how concern about environmental degradation of rivers has led to the emergence of management strategies to restore and naturalize these systems, and how river management techniques work best when coordinated with the natural dynamics of rivers. This textbook provides an excellent resource for students, researchers, and professionals in fluvial geomorphology, hydrology, river science, and environmental policy.


Sedimentary Crisis at the Global Scale 1

Sedimentary Crisis at the Global Scale 1
Author: Jean-Paul Bravard
Publisher: John Wiley & Sons
Total Pages: 252
Release: 2019-05-21
Genre: Science
ISBN: 1786303833

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The Earth’s oceans are currently undergoing unprecedented changes: rivers have suffered a severe reduction in their sediment transport, and as a result, sediment input to the oceans has dropped lower than ever before. These inputs have varied over millennia as a result of both natural occurrences and human actions, such as the building of dams and the extraction of materials from riverbeds. Sedimentary Crisis at the Global Scale 1 examines how river basins have been affected by the sedimentary crises of various historical epochs. By studying global balances, it provides insights into the profound disruption of the solid transport of fluvial bodies. The book also explores studies of various rivers, from the Amazon, which remains relatively unaffected, to dying rivers such as the Colorado and the Nile.