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Climate 2015, 3(4), 792-811; doi:10.3390/cli3040792

Drought Monitoring for Rice Production in Cambodia

1
School of Environment, Flinders University, Sturt Road, Bedfork Park, SA 5042, Australia
2
Faculty of Development Studies, Royal University of Phnom Penh, Phnom Penh 12101, Cambodia
*
Author to whom correspondence should be addressed.
Academic Editors: Sisira S. Withanachchi, Angelika Ploeger and Engin Koncagul
Received: 23 July 2015 / Revised: 1 October 2015 / Accepted: 9 October 2015 / Published: 16 October 2015
(This article belongs to the Special Issue Climate Change on Crops, Foods and Diets)
View Full-Text   |   Download PDF [903 KB, uploaded 16 October 2015]   |  

Abstract

Rice production underpins the national economy and the most rural livelihoods in Cambodia, but it is negatively impacted by repeated droughts. The research reported on in this paper focuses on relationships between drought occurrences in Cambodia’s most drought-prone province (Kampong Speu) and (i) damage to the annual rice harvest between 1994 and 2011, and (ii) the Niño 3.4 index. Droughts were identified using the Standardised Precipitation Index (SPI). In seven of the years between 1994 and 2006 droughts damaged >1000 ha of rice in the Kampong Speu province. Furthermore, in 11 years >200 ha of rice were damaged. A critical success index of 0.66 obtained for an analysis of SPI-defined drought and area rice damage in the province indicates a strong statistical relationship. A statistically significant correlation (r = −0.455) was achieved between Niño 3.4 and 12-month SPI values lagged by three months, this indicates the importance of ENSO linkages in explaining drought in this region. Late season droughts lead to greater rice damage than early- and mid-season droughts. View Full-Text
Keywords: drought; rice; Standardized Precipitation Index; ENSO; Niño 3.4; Kampong Speu; Cambodia drought; rice; Standardized Precipitation Index; ENSO; Niño 3.4; Kampong Speu; Cambodia
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chhinh, N.; Millington, A. Drought Monitoring for Rice Production in Cambodia. Climate 2015, 3, 792-811.

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