نتایج جستجو برای: the fire
تعداد نتایج: 16063331 فیلتر نتایج به سال:
This paper deals with modeling and simulation of surface forest fire spread and suppression using the discrete event system specification (DEVS) cellspace approach. The event-based modeling approach allows for timely simulation-based predictions of forest fire spread and suppression in uniform and non-uniform environmental conditions. This paper proposes a conceptual model for a coupled forest ...
severe accidents of process industries in iran have increased significantly in recent decade. this study quantitatively analyzes the hazards of severe accidents imposed on people, equipment and building by a hydrogen production facility. a hazard identification method was applied. then a consequence simulation was carried out using phast 6.54 software package and at the end, consequence evaluat...
effect of fire on phyto-sociology of understorey vegetation in chir pine forests of three different silvological characteristics was compared with pure grassland. 15 grasses, 1 sedge, 5 legumes and 21 non-legumes were recorded in the four study sites. floristic composition gradually increased from june to august and then declined slowly by october in all the plots. maximum number of species was...
this research was conducted to investigate the effect of acetylation and type of resin on fire resistance of one and three layered populus particleboard. populus particles were acetylated at three levels of acetyl content (wpg of 0, 8.39% and 17.27%). in manufacturing of one and three layered boards with acetylated particles in all thickness or surface of the boards two type of resin, urea form...
Wildfire behavior can be modified by altering the quantity, structure, and arrangement of fuel (flammable vegetation) by silvicultural treatments such as forest thinning and prescribed burning. The type and arrangement (including landscape location) of treated areas have been demonstrated to influence wildfire behavior. This study analyzes the response of several key fire behavior variables to ...
Identifying major drivers of deforestation and forest degradation has been an important task at the present context of Reducing Emissions from Deforestation and Forest Degradation “REDD+”. At present, many bilateral and multilateral projects are carrying out pilot activities for the REDD+ in developing countries and many Asian countries are being engaged in this process. Asian countries namely ...
With the advancement in human technology the risk of natural and man induced catastrophes increased exponentially. One of most dangerous disaster is forest fire. The forest fire represents continuous threat to species of flora as well as fauna. This paper highlights the powerful feature of wireless sensors for forest fire detection. The sensor data is collected using Arduino development board a...
Dialectical Behavior Therapy, Acceptance and Commitment Therapy, and Functional Analytic Psychotherapy have recently come under fire for “getting ahead of their data” (Corrigan, 2001). The current article presents a descriptive review of some of the actual evidence available. Dialectical Behavior Therapy and Acceptance and Commitment Therapy have a small but growing body of outcome research sup...
Historians have persistently likened strike waves to wildfires, avalanches, and epidemics. These phenomena are characterized by a power-law distribution of event sizes. This kind of analysis is applied to outbreaks of class conflict in Chicago from 1881 to 1886. Events are defined as individual strikes or miniature strike waves; size is measured by the number of establishments or workers involv...
* Corresponding author. Abstract – Earth observations are one way to reduce the risk to standing forests from damages caused by wild fires, since they enable early warning systems, preventive actions and faster extinguishing of fires, before they spread out. Another channel through which fire hazard can be reduced is the thinning of the forest, so the risk of a fire occurring becomes partially ...
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