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The SANBAR hurricane track prediction model is a dynamical, barotropic model which relies on analysis of the wind field averaged through the depth of the tropo-sphere. The current method of determining this initial flow pattern is discussed; and a revised procedure, which makes more and better use of the available data, is introduced for use in oceanic(More)
Individuals often stop reproducing some time before they die. In this paper we compose and analyze a logistic two-sex population model in which individuals form pairs just to mate (i.e. pair bonds are ephemeral) and later move on to sexually abstaining groups. Using this model, we study the impact of sexually abstaining groups on persistence of a benign(More)
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