Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 18, issue 3
Articles | Volume 18, issue 3
https://doi.org/10.5194/nhess-18-935-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/nhess-18-935-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 3
Research article
 | 
23 Mar 2018
Research article |  | 23 Mar 2018

Modeling anthropogenic and natural fire ignitions in an inner-alpine valley

Giorgio Vacchiano, Cristiano Foderi, Roberta Berretti, Enrico Marchi, and Renzo Motta

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Short summary
Here we show that wildland fires in an Italian alpine region are ignited mainly by human negligence. 30 % of fires stars in agricultural areas, 24 % in forests. Lightning plays a role in 10 % of the cases, but its importance has been increasing recently. Areas under hot, dry climate are more prone to fire. Cattle grazing reduces the fuel for winter fires, but increases ignition risk in summer. The maps of fire risk that we produce can help to support fire prevention and ecosystem management.
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Spatial and temporal patterns of wildfires: models, theory,...
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