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- Autorius: U S Department of the Interior
- Leidėjas: CreateSpace Independent Publishing Platform
- Metai: 2014
- Puslapiai: 36
- ISBN-10: 1497445132
- ISBN-13: 9781497445130
- Formatas: 21.6 x 28 x 0.2 cm, minkšti viršeliai
- Kalba: Anglų
Postwildfire Debris-Flow Hazard Assessment of the Area Burned by the 2013 West Fork Fire Complex, Southwestern Colorado (el. knyga) (skaityta knyga) | knygos.lt
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Aprašymas
This report presents a preliminary emergency assessment of the debris-flow hazards from drainage basins burned by the 2013 West Fork Fire Complex near South Fork in southwestern Colorado. Empirical models derived from statistical evaluation of data collected from recently burned basins throughout the intermountain western United States were used to estimate the probability of debris-flow occurrence, potential volume of debris flows, and the combined debris-flow hazard ranking along the drainage network within and just downstream from the burned area, and to estimate the same for 54 drainage basins of interest within the perimeter of the burned area. Input data for the debris-flow models included topographic variables, soil characteristics, burn severity, and rainfall totals and intensities for a (1) 2-year-recurrence, 1-hour-duration rainfall, referred to as a 2-year storm; (2) 10-year-recurrence, 1-hour-duration rainfall, referred to as a 10-year storm; and (3) 25-year-recurrence, 1-hour-duration rainfall, referred to as a 25-year storm.
- Autorius: U S Department of the Interior
- Leidėjas: CreateSpace Independent Publishing Platform
- Metai: 2014
- Puslapiai: 36
- ISBN-10: 1497445132
- ISBN-13: 9781497445130
- Formatas: 21.6 x 28 x 0.2 cm, minkšti viršeliai
- Kalba: Anglų
This report presents a preliminary emergency assessment of the debris-flow hazards from drainage basins burned by the 2013 West Fork Fire Complex near South Fork in southwestern Colorado. Empirical models derived from statistical evaluation of data collected from recently burned basins throughout the intermountain western United States were used to estimate the probability of debris-flow occurrence, potential volume of debris flows, and the combined debris-flow hazard ranking along the drainage network within and just downstream from the burned area, and to estimate the same for 54 drainage basins of interest within the perimeter of the burned area. Input data for the debris-flow models included topographic variables, soil characteristics, burn severity, and rainfall totals and intensities for a (1) 2-year-recurrence, 1-hour-duration rainfall, referred to as a 2-year storm; (2) 10-year-recurrence, 1-hour-duration rainfall, referred to as a 10-year storm; and (3) 25-year-recurrence, 1-hour-duration rainfall, referred to as a 25-year storm.
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