Search results: “Johnson”

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  • Why the St. Francis Dam Collapsed

    Why the St. Francis Dam Collapsed

    Scientific American | June 1, 1928...
    Summary

    St. Francis dam was constructed on the San Francisquito fault, a geological feature known for a number of years and made the subject of publication illustrated by...

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  • Beaches

    Beaches

    Scientific American | August 1, 1960...
    Summary

    Beaches are natural playgrounds partly under the sun and partly under the sea where people can swim and surfboard, sun themselves and study other people. This human...

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  • Topobathymetric Model for the Central Coast of California, 1929 to 2017

    Topobathymetric Model for the Central Coast of California, 1929 to 2017

    U.S. Geological Survey (USGS) | August 2, 2018...
    Summary

    To support the modeling of storm-induced flooding, the USGS Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital...

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  • Using Graywater and Stormwater to Enhance Local Water Supplies: An Assessment of Risks, Costs, and Benefits

    Using Graywater and Stormwater to Enhance Local Water Supplies: An Assessment of Risks, Costs, and Benefits

    The National Academies Press | December 1, 2016...
    Summary

    Much of the United States faces chronic or episodic water shortages. It is the topic of daily news in the West, where a historic 4-year...

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  • Identifying the location and population served by domestic wells in California

    Identifying the location and population served by domestic wells in California

    Journal of Hydrology: Regional Studies | November 17, 2014...
    Summary

    Study region: California, USA. Study focus: Identification of groundwater use is an important stepin the regional-scale assessment of groundwater quality. In California, 1990...

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  • Estimating domestic well locations and populations served in the contiguous U.S. for years 2000 and 2010

    Estimating domestic well locations and populations served in the contiguous U.S. for years 2000 and 2010

    Science of the Total Environment, Elsevier | October 15, 2019...
    Summary

    Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the...

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  • Special Report on Climate Change and Land

    Special Report on Climate Change and Land

    UN Intergovernmental Panel on Climate Change (IPCC) | August 7, 2019...
    Summary

    This Special Report on Climate Change and Land1 responds to the Panel decision in 2016 to prepare three Special Reports during the Sixth...

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  • Land use and land cover influence on water quality in the last free-flowing river draining the western Sierra Nevada, California

    Land use and land cover influence on water quality in the last free-flowing river draining the western Sierra Nevada, California

    Journal of Hydrology | November 10, 2005...
    Summary

    Land use and land cover across 28 sub-basins within the Cosumnes Watershed, CA (1989 km2) were correlated to nitrate-N and total suspended solids (TSS)...

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  • Central Valley Flood Protection Plan Appendix K. Synthesis of Fish Migration Improvement Opportunities in the Central Valley Flood System

    Central Valley Flood Protection Plan Appendix K. Synthesis of Fish Migration Improvement Opportunities in the Central Valley Flood System

    California Department of Water Resources (DWR) | July 14, 2016...
    Summary

    Many instream structures in the Central Valley adversely affect native anadromous fish migration. These structures, often referred to as fish passage barriers, reduce...

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  • Strontium isotopes reveal ephemeral streams used for spawning and rearing by an imperiled potamodromous cyprinid Clear Lake hitch Lavinia exilicauda chi

    Strontium isotopes reveal ephemeral streams used for spawning and rearing by an imperiled potamodromous cyprinid Clear Lake hitch Lavinia exilicauda chi

    Marine and Freshwater Research | April 18, 2019...
    Summary

    Identification of habitats responsible for the successful production and recruitment of rare migratory species is a challenge in conservation biology. Here, a tool was...

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