Urban Sprawl and Flooding in Southern California PDF Download

Author: Saul Edward Rantz
Publisher:
ISBN:
Category : City planning
Languages : en
Pages : 24

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Author: United States. Bureau of Reclamation
Publisher:
ISBN:
Category : Coastal zone management
Languages : en
Pages : 404

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Author: F. Harold Weber
Publisher:
ISBN:
Category : Floods
Languages : en
Pages : 94

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Author: F. Harold Weber
Publisher:
ISBN:
Category : Floods
Languages : en
Pages : 92

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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309185491
Category : Science
Languages : en
Pages : 182

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Book Description
Alluvial fans are gently sloping, fan-shaped landforms common at the base of mountain ranges in arid and semiarid regions such as the American West. Floods on alluvial fans, although characterized by relatively shallow depths, strike with little if any warning, can travel at extremely high velocities, and can carry a tremendous amount of sediment and debris. Such flooding presents unique problems to federal and state planners in terms of quantifying flood hazards, predicting the magnitude at which those hazards can be expected at a particular location, and devising reliable mitigation strategies. Alluvial Fan Flooding attempts to improve our capability to determine whether areas are subject to alluvial fan flooding and provides a practical perspective on how to make such a determination. The book presents criteria for determining whether an area is subject to flooding and provides examples of applying the definition and criteria to real situations in Arizona, California, New Mexico, Utah, and elsewhere. The volume also contains recommendations for the Federal Emergency Management Agency, which is primarily responsible for floodplain mapping, and for state and local decisionmakers involved in flood hazard reduction.

Author: Cecile Page Vargo
Publisher: Arcadia Publishing
ISBN: 0738595209
Category : History
Languages : en
Pages : 130

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High in the Inyo Mountains, between Owens Valley and Death Valley National Park, lies the ghost town of Cerro Gordo. Discovered in 1865, this silver town boomed to a population of 3,000 people in the hands of savvy entrepreneurs during the 1870s. As the silver played out and the town faded, a few hung on to the dream. By the early 1900s, Louis D. Gordon wandered up the Yellow Grade Road where freight wagons once traversed with silver and supplies and took a closer look at the zinc ore that had been tossed aside by early miners. The Fat Hill lived again, primarily as a small company town. By the last quarter of the 20th century, Jody Stewart and Mike Patterson found themselves owners of the rough and tumble camp that helped Los Angeles turn into a thriving metropolis because of silver and commercial trade. Cerro Gordo found new life, second to Bodie, as California's best-preserved ghost town.

Author: John McPhee
Publisher: Farrar, Straus and Giroux
ISBN: 0374708495
Category : Nature
Languages : en
Pages : 272

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While John McPhee was working on his previous book, Rising from the Plains, he happened to walk by the engineering building at the University of Wyoming, where words etched in limestone said: "Strive on--the control of Nature is won, not given." In the morning sunlight, that central phrase--"the control of nature"--seemed to sparkle with unintended ambiguity. Bilateral, symmetrical, it could with equal speed travel in opposite directions. For some years, he had been planning a book about places in the world where people have been engaged in all-out battles with nature, about (in the words of the book itself) "any struggle against natural forces--heroic or venal, rash or well advised--when human beings conscript themselves to fight against the earth, to take what is not given, to rout the destroying enemy, to surround the base of Mt. Olympus demanding and expecting the surrender of the gods." His interest had first been sparked when he went into the Atchafalaya--the largest river swamp in North America--and had learned that virtually all of its waters were metered and rationed by a U.S. Army Corps of Engineers' project called Old River Control. In the natural cycles of the Mississippi's deltaic plain, the time had come for the Mississippi to change course, to shift its mouth more than a hundred miles and go down the Atchafalaya, one of its distributary branches. The United States could not afford that--for New Orleans, Baton Rouge, and all the industries that lie between would be cut off from river commerce with the rest of the nation. At a place called Old River, the Corps therefore had built a great fortress--part dam, part valve--to restrain the flow of the Atchafalaya and compel the Mississippi to stay where it is. In Iceland, in 1973, an island split open without warning and huge volumes of lava began moving in the direction of a harbor scarcely half a mile away. It was not only Iceland's premier fishing port (accounting for a large percentage of Iceland's export economy) but it was also the only harbor along the nation's southern coast. As the lava threatened to fill the harbor and wipe it out, a physicist named Thorbjorn Sigurgeirsson suggested a way to fight against the flowing red rock--initiating an all-out endeavor unique in human history. On the big island of Hawaii, one of the world's two must eruptive hot spots, people are not unmindful of the Icelandic example. McPhee went to Hawaii to talk with them and to walk beside the edges of a molten lake and incandescent rivers. Some of the more expensive real estate in Los Angeles is up against mountains that are rising and disintegrating as rapidly as any in the world. After a complex coincidence of natural events, boulders will flow out of these mountains like fish eggs, mixed with mud, sand, and smaller rocks in a cascading mass known as debris flow. Plucking up trees and cars, bursting through doors and windows, filling up houses to their eaves, debris flows threaten the lives of people living in and near Los Angeles' famous canyons. At extraordinary expense the city has built a hundred and fifty stadium-like basins in a daring effort to catch the debris. Taking us deep into these contested territories, McPhee details the strategies and tactics through which people attempt to control nature. Most striking in his vivid depiction of the main contestants: nature in complex and awesome guises, and those who would attempt to wrest control from her--stubborn, often ingenious, and always arresting characters.

Author: John Nichols
Publisher: Arcadia Publishing
ISBN: 9780738520797
Category : History
Languages : en
Pages : 136

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Minutes before midnight on the evening of March 12, 1928, the St. Francis Dam collapsed. The dam's 200-foot concrete wall crumpled, sending billions of gallons of raging flood waters down San Francisquito Canyon, sweeping 54 miles down the Santa Clara River to the sea, and claiming over 450 lives in the disaster. Captured here in over 200 images is a photographic record of the devastation caused by the flood, and the heroic efforts of residents and rescue workers. Built by the City of Los Angeles' Bureau of Water Works and Supply, the failure of the St. Francis Dam on its first filling was the greatest American civil engineering failure of the 20th century. Beginning at dawn on the morning after the disaster, stunned local residents picked up their cameras to record the path of destruction, and professional photographers moved in to take images of the washed-out bridges, destroyed homes and buildings, Red Cross workers giving aid, and the massive clean-up that followed. The event was one of the worst disasters in California's history, second only to the San Francisco Earthquake and Fire.

Author: John W. Robinson
Publisher:
ISBN:
Category : History
Languages : en
Pages : 226

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Author: United States. Congress. House Public Works
Publisher:
ISBN:
Category :
Languages : en
Pages : 414

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