debris flow

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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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  • Brief communication: Meteorological and climatological conditions associated with the 9 January 2018 post-fire debris flows in Montecito and Carpinteria, California, USA

    Brief communication: Meteorological and climatological conditions associated with the 9 January 2018 post-fire debris flows in Montecito and Carpinteria, California, USA

    Natural Hazards and Earth System Sciences, European Geosciences Union | November 19, 2018...
    Summary

    The Thomas Fire burned 114,078 ha in Santa Barbara and Ventura counties, southern California, during December 2017–January 2018. On 9 January 2018, high-intensity rainfall...

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  • Effects of wildfire on benthic macroinvertebrate assemblages in Southern California streams and implications for bioassessment monitoring programs

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    Effects of wildfire on benthic macroinvertebrate assemblages in Southern California streams and implications for bioassessment monitoring programs

    California State Water Resources Control Board | June 13, 2012...
    Summary

    Wildfires are common in arid regions of southern California, sometimes burning as much as half a million acres in a season. These fires...

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  • Objective definition of rainfall intensity-duration thresholds for the initiation of post-fire debris flows in southern California

    Objective definition of rainfall intensity-duration thresholds for the initiation of post-fire debris flows in southern California

    Landslides, Springer | June 27, 2012...
    Summary

    Rainfall intensity–duration (ID) thresholds are commonly used to predict the temporal occurrence of debris flows and shallow landslides. Typically, thresholds are subjectively defined as the upper...

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  • Snow Level Characteristics and Impacts of a Spring Typhoon-Originating Atmospheric River in the Sierra Nevada, USA

    Snow Level Characteristics and Impacts of a Spring Typhoon-Originating Atmospheric River in the Sierra Nevada, USA

    Atmosphere, Multidisciplinary Digital Publishing Institute (MDPI) | June 15, 2018...
    Summary

    On 5–7 April 2018, a landfalling atmospheric river resulted in widespread heavy precipitation in the Sierra Nevada of California and Nevada. Observed snow...

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  • Storm rainfall conditions for floods and debris flows from recently burned areas in southwestern Colorado and southern California

    Storm rainfall conditions for floods and debris flows from recently burned areas in southwestern Colorado and southern California

    Geomorphology, Elsevier | April 15, 2008...
    Summary

    Debris flows generated during rain storms on recently burned areas have destroyed lives and property throughout the Western U.S. Field evidence indicate that...

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  • Synoptic conditions associated with cool season post-fire debris flows in the Transverse Ranges of southern California

    Synoptic conditions associated with cool season post-fire debris flows in the Transverse Ranges of southern California

    Journal of the International Society for the Prevention and Mitigation of Natural Hazards | April 22, 2017...
    Summary

    The Transverse Ranges of southern California often experience fire followed by flood. This sequence sometimes causes post-fire debris flows (PFDFs) that threaten life...

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  • The Science and Prediction of Post-Fire Debris Flows in the Western United States

    The Science and Prediction of Post-Fire Debris Flows in the Western United States

    U.S. Forest Service National Stream and Aquatic Ecology Center (NSAEC) | August 1, 2017...
    Summary

    Debris flows are among the most destructive hydrological consequences of fires in steep watersheds. The high likelihood of catastrophic wildfires in the western...

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