Although there is a substantial amount of research on households' hurricane evacuation decision making, there is much less research on the logistical issues involved in implementing those evacuations. The limited research on household evacuation logistics has consistently shown that most evacuees stay in the homes of friends and relatives or in commercial facilities rather than in public shelters. However, evacuation logistics-which can be defined as the activities and associated resources needed to reach a safe location and remain there until it is safe to return-encompasses a much broader range of behaviors than this. The present study extends previous research by reporting data on other aspects of evacuation logistics such as departure timing, vehicle use, evacuation routes, travel distance, shelter type, evacuation duration, and evacuation cost. Hurricane Lili evacuation data at the county level are generally consistent with the data from previous hurricanes, but there is notable variation across counties studied here. There were only modest correlations of demographic and geographic variables with the evacuation logistics variables, a result that indicates further research is needed to better understand what happens between the time an evacuation decision is made and the time re-entry is begun. Moreover, research is needed to understand the logistics of evacuation by special populations such as transients and households with disabled members.
In the United States, mitigating the adverse impacts of flooding has increasingly become the responsibility of local decision makers. Despite the importance of understanding why flood mitigation techniques are implemented at the local level, few empirical studies have been conducted over the last decade. Our study addresses this lack of research by examining the factors influencing local communities to adopt both structural and non-structural flood mitigation strategies. We use statistical models to predict multiple flood mitigation techniques implemented by cities and counties based on a survey of floodplain administrators and planning officials across Texas and Florida. Particular attention is paid to the role of organizational capacity to address floods in addition to various local geophysical and socioeconomic characteristics. Results indicate that organizational capacity is a significant factor contributing to the implementation of both structural and non-structural flood mitigation techniques, even when controlling for contextual characteristics.
This study compared respondents' hurricane evacuation expectations with their actual behavior 2 years later during Hurricane Lili. Respondents were found to have accurate expectations about their information sources, evacuation transportation modes, number of vehicles taken, and evacuation shelter types. They also had generally accurate expectations about the time it would take them to implement some, but not all, evacuation preparation tasks. These results extend contemporary attitude-behavior models by demonstrating a significant degree of correspondence between behavioral expectations and much later behavior under quite stressful conditions and suggest emergency planners can use many, but not all, aspects of coastal residents' evacuation expectations as a satisfactory basis for evacuation planning.
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