Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to a penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. The research presented in this report was supported by the Acquisition Research Program of the Graduate School of Business & Public Policy at the Naval Postgraduate School.To request defense acquisition research, to become a research sponsor, or to print additional copies of reports, please contact any of the staff listed on the Acquisition Research Program website (www.acquisitionresearch.net). AbstractThis project investigates the relationship between the geographical dispersion and speed of onset of a disaster and how they increase the complexity of relief operations. Using the Emergency Events Database (EM-DAT) available from the Centre for Research on the Epidemiology of Disasters, information was collected and filtered for 281 U.S. disasters that occurred between 2000 and 2011. Data was utilized from the U.S. Census Bureau to supplement the EM-DAT information to determine the area affected for each disaster. Each disaster was then ranked and assigned a value to represent the speed of onset based on each type and subtype that was provided by the EM-DAT. Plotting the disasters yielded a graph that was further analyzed to determine whether any patterns existed by comparing the number of personnel affected, number of casualties, and total damage costs incurred. The goal of this analysis is to determine whether the complexity of a disaster can be determined from its dispersion and speed of onset.
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