publication . Article . 2011

Comparative Analysis of Drought Indices for Drought Zone Scheme of Northern Khorasan Province of Iran

Azade Mohammadian; Mansoreh Koohi; Ehsan Eyshi Rezaei; Mohammad Bannayan;
Open Access English
  • Published: 01 Aug 2011 Journal: Notulae Scientia Biologicae (issn: 2067-3205, eissn: 2067-3264, Copyright policy)
  • Publisher: University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca
Abstract
<jats:p>Drought is one of the natural disasters which deeply influenced agricultural production. Drought monitoring programs could help to forecast and mitigate the impacts of drought. In this study occurrence, severity, and duration of drought were evaluated by monthly rainfall data (1986-2005) that were recorded at all meteorological stations in north Khorasan province of Iran. Drought indices include Standard Rainfall Index (SPI), Decades Index (DI) and Percent of Normal (PNI) calculated and compared to determine drought severity, duration and drought occurrence for all stations. In addition, drought maps were prepared by Inverse Distance Weighted (IDW) metho...
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doi: 10.15835/nsb336170 , 10.15835/nsb.3.3.6170
Subjects
free text keywords: Agriculture (General), S1-972, Science (General), Q1-390, Rainfall index, Agricultural productivity, Geography, Physical geography, Natural disaster, Precipitation
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