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Towards a Drought Watch System based on Spatial SPI

Author

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  • G. Tsakiris
  • H. Vangelis

Abstract

Regional Drought can be assessed through various meaningfulprocedures mainly related to the expected consequences. However, a general knowledge of the occurrence of drought, thearea which is affected, its severity and its duration are ofgreat importance for a series of decisions, which may beappropriate for a variety of activities. From the existingsimple and popular indices used for the estimation of drought,the Standardised Precipitation Index, known as SPI, seems to winuniversal applicability. A method based on the estimation of SPIover a geographical area and its use for characterising drought,is presented in this paper. Applications of the method arepresented using a digital terrain model and a simple computercalculating routine. It is shown that the proposed procedurecan be easily applied and can support a Drought Watch System foran area of mesoscale dimensions. Copyright Kluwer Academic Publishers 2004

Suggested Citation

  • G. Tsakiris & H. Vangelis, 2004. "Towards a Drought Watch System based on Spatial SPI," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 18(1), pages 1-12, February.
    • Handle: RePEc:spr:waterr:v:18:y:2004:i:1:p:1-12
    DOI: 10.1023/B:WARM.0000015410.47014.a4
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    Cited by:

    1. Sergio Vicente-Serrano, 2006. "Differences in Spatial Patterns of Drought on Different Time Scales: An Analysis of the Iberian Peninsula," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 20(1), pages 37-60, February.

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