Search results for " flash density"

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A Methodology for Protection of Trees Against Lightning Strikes as a Measure to Prevent Fires and Loss of Human Life

2021

Some regions may be characterized by a very low annual lightning ground flash density, and yet lightning strikes seem to have been in those areas the cause of widespread wildfires in forested areas. Due to global climate change, these occurrences seem to be an increasing threat. In this paper, the authors discuss the withstand capability of trees against lightning and introduce the criteria for the deployment of tree lightning protection systems (TLPS) to protect forested areas, where deemed necessary by the tree risk assessment. This work analytically identifies the critical trunk radius of the tree below which the tree may explode in the case of a lightning strike and ignite the surroundi…

collection areaHuman lifeflash densityFiresLightningIndustrial and Manufacturing Engineeringwood resistivityElectrical and Electronic EngineeringLightning protectionMoistureform factorConductivityVegetationbusiness.industryGlobal warmingEnvironmental resource managementtreesVegetationwood densityProtection systemcollection area; Conductivity; Fires; flash density; form factor; lightning; Lightning; Lightning protection; Moisture; resistivity; Temperature dependence; trees; Vegetation; wood density; wood resistivityLightningSettore ING-IND/33 - Sistemi Elettrici Per L'EnergiaresistivityCollection area Conductivity Fires flash density form factor lightning Lightning protection Moisture resistivity Temperature dependence trees Vegetation wood density wood resistivityTree (data structure)Lightning strikeTemperature dependenceControl and Systems EngineeringEnvironmental sciencebusinessIEEE Transactions on Industry Applications
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Protection of Trees against Lightning Strikes as a Measure to Prevent Fires and Loss of Human Life

2021

Lighting strikes have been the catalyst of massive uncontrolled fires in areas of combustible vegetation. In some regions, lightning strikes may be a relatively unusual occurrence (e.g., California), but instead they seem to have become a major contributor to the propagation of wildfires, as a byproduct of climate change. Given such unusual weather, wildfires originating from lightning are an increasing threat. In this paper, the authors discuss the withstand capability of trees against lightning and introduce a proactive approach to prevent wildfires by the deployment of tree lighting protection systems (TLPS) to protect forested areas, where deemed necessary by the tree risk assessment.

form factordensitycollection areabusiness.industryHuman lifeEnvironmental resource managementflash densityClimate changeVegetationtreescollection area density flash density form factor lightning resistivity treesProtection systemLightningSettore ING-IND/33 - Sistemi Elettrici Per L'EnergiaresistivityLightning strikecollection area; density; flash density; form factor; lightning; resistivity; treesEnvironmental sciencebusinesslightning
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