نتایج جستجو برای: wildfire
تعداد نتایج: 3925 فیلتر نتایج به سال:
An important policy question receiving considerable attention concerns the risk perception-risk mitigation process that guides how individuals choose to address natural hazard risks. This question is considered in the context of wildfire. We analyze the factors that influence risk reduction behaviors by homeowners living in the wildland-urban interface. The factors considered are direct experie...
Data assimilation is an important technique to improve simulation results by assimilating real time sensor data into a simulation model. A data assimilation framework based on Sequential Monte Carlo (SMC) methods for wildfire spread simulation has been developed in previous work. This paper provides systematic analysis and measurement to quantify the effectiveness and robustness of the develope...
The relationships between wildfire incidence in Los Angeles County and various ecological factors such as temperature, precipitation and fuel moisture as well as fire history are investigated. A new method is proposed for assessing the role of timesince-fire in the case where spatial information on the fires is available. In addition, the relationships between variables are assessed using nonpa...
This paper contributes towards the development of an empirical approach applicable to contingent valuation to accommodate non-expected utility risk preferences. Combining elicitation approaches used in field experiments with contingent valuation, we embed an experimental design that systematically varies probabilities and losses across a survey sample in a willingness to pay elicitation format....
Wildland fire management has reached a crossroads. Current perspectives are not capable of answering interdisciplinary adaptation and mitigation challenges posed by increases in wildfire risk to human populations and the need to reintegrate fire as a vital landscape process. Fire science has been, and continues to be, performed in isolated "silos," including institutions (e.g., agencies versus ...
This study examined the extent of children's and adolescents' psychosocial maladjustment associated with a natural disaster, namely, wildfire. The course of psychopathology was assessed six weeks after a major wildfire destroyed 420 homes. Victims' functioning relative to a comparison group from the same community, matched for age, gender, socioeconomic status, and fire insurance was examined. ...
The southern United States is susceptible to wildfire, from its climate, growing seasons, lightning frequency, and decades of fire suppression. With much known about wildfire’s biophysical risks, less is understood about sociodemographic obstacles, including race, income, and education. Blacks in the rural southeastern United States are typically among the most marginalized Americans and least ...
fluence of internal or external factors in driving wildfire management.
We simulated fuel reduction treatments on a 16,000 ha study area in Oregon, US, to examine tradeoffs between placing fuel treatments near residential structures within an urban interface, versus treating stands in the adjacent wildlands to meet forest health and ecological restoration goals. The treatment strategies were evaluated by simulating 10,000 wildfires with random ignition locations an...
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