Towards a Drought Watch System based on Spatial SPI

G. Tsakiris () and H. Vangelis

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2004, vol. 18, issue 1, 12 pages

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

Keywords: drought; Drought Index; DTM; mesoscale; precipitation; spatial analysis; SPI (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1023/B:WARM.0000015410.47014.a4

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