Burned soils and watersheds face erosion and flooding after wildfire
#00252
Loss of vegetation and altered soil conditions can increase runoff, erosion, debris flows, sediment and downstream water-quality impacts after severe wildfire.
Parent issue
#00236 Poor post-fire recovery compounds wildfire disasters
Sustainable Development Goals
Location
global
Description
Severe wildfire can remove protective cover and change how water enters or runs across soil. Subsequent rain may move ash, sediment and debris into rivers, reservoirs, roads and settlements.
Risk varies by burn severity, slope, soil, rainfall and downstream exposure. This issue concerns post-fire physical watershed hazards rather than long-term forest composition.
Source: FAO Integrated Fire Management voluntary guidelines.
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