Provisional History of the 1928 Aerial Photo Survey of the Coastline of San Francisco, San Mateo, and Santa Cruz Counties PDF Download

Author: Stevens, Stanley D.
Publisher:
ISBN:
Category : Aerial photographs
Languages : en
Pages : 16

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Author: University of California, Santa Cruz. University Library
Publisher:
ISBN:
Category : California
Languages : en
Pages : 304

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Author: Sean Baumgarten
Publisher:
ISBN: 9781950313075
Category : Science
Languages : en
Pages : 280

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The Peninsula Watershed has been integral to the story of San Francisco's growth ever since the Gold Rush. The rapid influx of settlers to San Francisco during the Gold Rush spurred a sudden demand for a reliable water source, which led to the formation of the Spring Valley Water Works (later purchased by the Spring Valley Water Company [SVWC]) in 1858 (Hanson 2005 ). Over the subsequent 70 years, SVWC bought up large swaths of land on the Peninsula, and constructed a complex system of dams, tunnels, and pipes to capture and transport water to San Francisco. Within the Peninsula Watershed, this system includes the Crystal Springs and San Andreas reservoirs, located in the San Andreas Creek, Laguna Creek, and Upper San Mateo Creek basins along the San Andreas Fau The City of San Francisco purchased SVWC in 1930, and today the Peninsula Watershed, managed by the San Francisco Public Utilities Commission (SFPUC), continues to be a key source of water for San Francisco and for other communities in the South and East Bay. Despite the past 150 years of reservoir construction and other hydrologic modifications, the construction of transportation and utility corridors, and the large-scale suburban development that has occurred to the east, the Peninsula Watershed has remained largely undeveloped and is managed to protect water quality, water supply, wildlife habitat, and a range of other natural and cultural resources. The watershed supports some of the largest intact remnants of contiguous habitat in the region, including extensive oak woodlands, old-growth Douglas-fir forests, serpentine grasslands, chaparral, and coastal scrub. Over the past 250 years since Spanish explorers first set foot on the watershed, however, changes in disturbance regimes and other large-scale anthropogenic modifications, including fire suppression, homesteading, livestock grazing, agriculture, tree planting, introduction of plant pathogens, spread of invasive species, and climate change, have altered vegetation dynamics and changed the distribution and structure of vegetation communities throughout the watershed. The changes have raised many questions about the historical ecology of the watershed: What was the extent, distribution, and composition of terrestrial, riparian, and wetland habitats prior to Euro-American modification? How have vegetation distributions changed over the past two centuries, and what are the implications of those changes for species support? Are there remnant patches of relatively unmodified habitat present in the watershed, or areas that are currently in a state of recovery? Where are current habitat characteristics most similar to or different from historically documented conditions? How have key natural and anthropogenic disturbance regimes and processes changed over time? The Peninsula Watershed Historical Ecology Study aims to advance understanding of landscape conditions of the Peninsula Watershed prior to major Euro-American modification, and to provide insights into the nature and drivers of vegetation change since the first Spanish explorers set foot in the watershed 250 years ago. The primary goal of the research was to examine the historical extent, distribution, and composition of terrestrial vegetation types and their trajectories of change within the watershed. To the extent possible, research also addressed historical riparian, wetland, and estuarine habitats; hydrology and sediment dynamics; wildlife support; land use history; and a range of other topics.

Author: Kent G. Dedrick
Publisher:
ISBN:
Category : Ecological surveys
Languages : en
Pages : 120

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Author: Robert Townley
Publisher: Arcadia Publishing
ISBN: 9780738530086
Category : History
Languages : en
Pages : 138

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It's strange to think that an electric commuter rail line rivaling BART in efficiency, speed, and comfort ran over 100 years ago between San Francisco and San Mateo, but run it did. The 40 Line, or San Mateo Interurban, began in 1892 with an initial segment operating between Market and Steuart Streets out to the county limits on San Jose Avenue. Three years later, the line reached Baden in present-day South San Francisco, and by 1903 service was opened all the way to downtown San Mateo. During the line's heyday, there was talk of extending it down the peninsula from San Mateo to Palo Alto to connect with the Peninsular Railway to San Jose. The 1906 earthquake put this plan on hold. Following much the same route as today's Mission Street, El Camino Real, and Caltrain, the San Mateo Interurban carried over four million passengers a year along its main and spur lines until 1949, when the system was shut down amidst much fanfare.

Author: Mohamed T. El-Ashry
Publisher:
ISBN:
Category : Aerial photography in geology
Languages : en
Pages : 456

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Author: Doris Sloan
Publisher: Univ of California Press
ISBN: 0520241266
Category : Nature
Languages : en
Pages : 353

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"You can't really know the place where you live until you know the shapes and origins of the land around you. To feel truly at home in the Bay Area, read Doris Sloan's intriguing stories of this region's spectacular, quirky landscapes."—Hal Gilliam, author of Weather of the San Francisco Bay Region "This is a fascinating look at some of the world's most complex and engaging geology. I highly recommend this book to anyone interested in an understanding of the beautiful landscape and dynamic geology of the Bay Area."—Mel Erskine, geological consultant "This accessible summary of San Francisco Bay Area geology is particularly timely. We are living in an age where we must deal with our impact on our environment and the impact of the environment on us. Earthquake hazards, and to a lesser extent landslide hazards, are well known, but the public also needs to be aware of other important engineering and environmental impacts and geologic resources. This book will allow Bay Area residents to make more intelligent decisions about the geological issues affecting their lives."—John Wakabayashi, geological consultant

Author: San Mateo County Historical Association
Publisher:
ISBN:
Category : San Mateo County (Calif.)
Languages : en
Pages :

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Author:
Publisher: Turner
ISBN: 9781683369387
Category : History
Languages : en
Pages : 202

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From the 1906 earthquake to famous sights like the cable cars, Alcatraz, and the Golden Gate Bridge, Historic Photos of San Francisco is a photographic history collected from the area's top archives. With around 200 photographs, many of which have never been published, this beautiful coffee table book highlights the historical growth from the mid 1800s to the late 1900s of ""the City by the Bay"" in stunning black and white photography. The book captures scenes of the people, places, and events important to the history of this unique city, accompanied by insightful captions and historical analysis. Spanning two centuries and two hundred photographs, this book is a must-have for any long-time resident or history lover of San Francisco!

Author:
Publisher: DIANE Publishing
ISBN: 1428984054
Category : Cliffs
Languages : en
Pages : 129

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