Di erential Models for Integrated Drought Risk Management

  •  Xinghua Fan    
  •  Dan Zhao    
  •  Lixin Tian    


We exam the Vitae System from a mathematic point of view. Taking communities’ capacity, disaster factor and management
e orts or policies into account, a di erential model for Integrated Drought Risk Management is introduced in this
paper. The e ects of the management strength on the water consumption are studied first on a constant then on a periodic
background. They are slow-fast model and chaotic one, respectively. Geometric and numerical method are applied to
those models.

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