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After flames strip hillsides bare, the next storm can unleash something far more destructive downstream

phys.org·Nathaniel Scharping·about 1 month ago
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Credit: Unsplash/CC0 Public Domain Wildfires can increase flooding risks in and downstream of burned areas by removing vegetation and disturbing hydrologic processes. As the climate changes, the severity of both wildfires and heavy rainfall events is increasing, meaning flooding is likely to become more severe in the near future. Better understanding how, and by how much, wildfires change flood risk is important for disaster and infrastructure planning for communities around the country. Canham and Lane used streamflow data from the U.S. Geological Survey's National Water Information System and precipitation data from the NOAA Analysis of Record for Calibration product to identify storms and quantify their effects across seven burned watersheds in the western United States. The findings are published in the journal Water Resources Research .…

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