Geohydrology

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  • A 10 per cent increase in global land evapotranspiration from 2003 to 2019

    A 10 per cent increase in global land evapotranspiration from 2003 to 2019

    Nature | May 26, 2021...
    Summary

    Accurate quantification of global land evapotranspiration is necessary for understanding variability in the global water cycle, which is expected to intensify under climate...

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  • A 450-year record of environmental change from Castle Lake, California (USA), inferred from diatoms and organic geochemistry

    A 450-year record of environmental change from Castle Lake, California (USA), inferred from diatoms and organic geochemistry

    Journal of Paleolimnology | November 11, 2020...
    Summary

    A 39-cm sediment core from Castle Lake, California (USA) spans the last ~ 450 years and was analyzed for diatoms and organic geochemistry (δ15N, δ13C, and...

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  • A rationale for effective post-fire debris flow mitigation within forested terrain

    A rationale for effective post-fire debris flow mitigation within forested terrain

    Geoenvironmental Disasters, Springer | May 25, 2018...
    Summary

    Watersheds recently burned by wildfires are recognized as having an increased susceptibility to debris flow occurrence. The great majority occur within the first 2...

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  • A shift from drought to extreme rainfall drives a stable landslide to catastrophic failure

    A shift from drought to extreme rainfall drives a stable landslide to catastrophic failure

    Nature | February 7, 2019...
    Summary

    The addition of water on or below the earth’s surface generates changes in stress that can trigger both stable and unstable sliding of...

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  • A study of methods to estimate debris flow velocity

    A study of methods to estimate debris flow velocity

    Landslides, Springer | September 16, 2019...
    Summary

    Debris flow velocities are commonly back-calculated from superelevation events which require subjective estimates of radii of curvature of bends in the debris flow...

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  • Age Determination of the Remaining Peat in the Sacramento–San Joaquin Delta, California, USA

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    Age Determination of the Remaining Peat in the Sacramento–San Joaquin Delta, California, USA

    U.S. Geological Survey (USGS) | October 9, 2007...
    Summary

    The Sacramento–San Joaquin Delta of California was once a 1,400 square kilometer (km2) tidal marsh, which contained a vast layer of peat ranging...

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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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  • Changing ecosystems: a brief ecological history of the Delta

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    Changing ecosystems: a brief ecological history of the Delta

    U.C. Davis Center for Watershed Sciences | February 15, 2010...
    Summary

    The San Francisco Estuary is a young estuary, about 6-10,000 years old in its present location. It became established during periods of high...

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  • County of San Bernardino Hydrology Manual

    County of San Bernardino Hydrology Manual

    San Bernardino County | August 1, 1986...
    Summary

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  • Data Measured on Water Collected from Eastern Mojave Desert, California

    Data Measured on Water Collected from Eastern Mojave Desert, California

    U.S. Department of Energy (DOE) | August 18, 2017...
    Summary

    In March of 2000 field collection of water from the Eastern Mojave Desert resulted in the measurement of stable isotope, radiocarbon, tritium, and limited...

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