Review Article

Water Resources Management

, Volume 6, Issue 4, pp 249-277

On regional drought estimation and analysis

  • G. RossiAffiliated withInstitute of Hydraulics, Hydrology and Water Management, University of Catania
  • , M. BenediniAffiliated withIRSA-CNR
  • , G. TsakirisAffiliated withDepartment of Rural and Surveying Engineering, National Technical University of Athens
  • , S. GiakoumakisAffiliated withDepartment of Rural and Surveying Engineering, National Technical University of Athens

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Abstract

The main objective of this paper is to review the existing methodologies for the estimation and analysis of regional drought. As a first step, point drought methods are presented. Further emphasis is given to the definition and estimation of regional drought characteristics. Stochastic processes for simulating the time-space variability of drought, are presented. Finally, illustrative examples are shown and recommendations for further research are given.

Key words

Point drought regional drought stochastic models deficit area low-flow analysis