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| Titel |
Probabilistic analysis of drought spatiotemporal characteristics inThessaly region, Greece |
| VerfasserIn |
A. Loukas, L. Vasiliades |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 4, no. 5/6 ; Nr. 4, no. 5/6 (2004-11-17), S.719-731 |
| Datensatznummer |
250001390
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| Publikation (Nr.) |
 copernicus.org/nhess-4-719-2004.pdf |
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| Zusammenfassung |
| The temporal and spatial characteristics of meteorological drought are
investigated to provide a framework for sustainable water resources
management in the region of Thessaly, Greece. Thessaly is the most intensely
cultivated and productive agricultural plain region in Greece. Thessaly's
total area is about 13700 km2 and it is surrounded by mountains and
traversed by Pinios River. Using the Standardized Precipitation Index (SPI)
as an indicator of drought severity, the characteristics of droughts are
examined. Thessaly was divided into 212 grid-cells of 8 x 8 km and monthly
precipitation data for the period 1960–1993 from 50 meteorological stations
were used for global interpolation of precipitation using spatial
co-ordinates and elevation data. Drought severity was assessed from the
estimated gridded SPI values at multiple time scales. Firstly, the temporal
and spatial characteristics of droughts were analyzed and then, Drought
Severity – Areal extent – Frequency (SAF) annual and monthly curves were
developed. The analysis indicated that moderate and severe droughts are
common in Thessaly region. Using the SAF curves, the return period of
selected severe drought events was assessed. |
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