Officials and scholars have used the disaster management cycle for the past 30 years to explain?and manage impacts. Although very little understanding and agreement exist in terms of?where the concept originated it is the purpose of this article to address the origins of the?disaster management cycle. To achieve this, general system theory concepts of isomorphisms,?equifinality, open systems and feedback arrangements were applied to linear disaster phase?research (which emerged in the 1920s) and disaster management cycles. This was done in?order to determine whether they are related concepts with procedures such as emergency,?relief, recovery and rehabilitation.
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