DROUGHT MONITORING USING DECILES INDEX, STANDARDIZED PRECIPITATION INDEX AND EFFECTIVE DROUGHT INDEX IN TEHRAN PROVINCE, IRAN

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MOGHADASI MEHNOUSH; MORID S.; MOHAMMAD VALI SAMANI J.; BYUN D.H.; GHAEMI H.

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Journal: Iran Agricultural Research Year:2004 | Volume:23 | Issue:1 Page(s): 95-110

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Title

DROUGHT MONITORING USING DECILES INDEX, STANDARDIZED PRECIPITATION INDEX AND EFFECTIVE DROUGHT INDEX IN TEHRAN PROVINCE, IRAN

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Abstract

Drought monitoring is difficult, though it is essential for risk management of this destructive natural disaster. A number of indices which play a major role in detection of drought severity, its onset and end for monitoring purposes, have been introduced and applied in this regard. This paper compares the capabilities of three drought indices for the 1997-2000droughts in Tehran province, Iran. A series of maps of the province are used to illustrate how the indices would have been able to detect the onset of the drought, as well as monitor its progress on a monthly timescale. The results show that the DJ (Deciles Index) is very responsive to the rainfall events of this year, but with inconsistent spatial and temporal variations. The SPI (Standard Precipitation Index) shows a slow response to the drought according to the applied timescale. Finally, the EDI (Effective Drought Index), a relatively new drought index, is able 10 detect the onset of drought and its spatial as well as temporal variations very consistently, and seems the most promising as an operational index for local and regional drought watch system in the province. Also, EDI the ability of EDI to detect drought status on a daily basis is another advantage of this index for the management of drought risk.

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APA: Copy

MOGHADASI, MEHNOUSH, MORID, S., MOHAMMAD VALI SAMANI, J., BYUN, D.H., & GHAEMI, H.. (2004). DROUGHT MONITORING USING DECILES INDEX, STANDARDIZED PRECIPITATION INDEX AND EFFECTIVE DROUGHT INDEX IN TEHRAN PROVINCE, IRAN. IRAN AGRICULTURAL RESEARCH, 23(1), 95-110. SID. https://sid.ir/paper/16140/en

Vancouver: Copy

MOGHADASI MEHNOUSH, MORID S., MOHAMMAD VALI SAMANI J., BYUN D.H., GHAEMI H.. DROUGHT MONITORING USING DECILES INDEX, STANDARDIZED PRECIPITATION INDEX AND EFFECTIVE DROUGHT INDEX IN TEHRAN PROVINCE, IRAN. IRAN AGRICULTURAL RESEARCH[Internet]. 2004;23(1):95-110. Available from: https://sid.ir/paper/16140/en

IEEE: Copy

MEHNOUSH MOGHADASI, S. MORID, J. MOHAMMAD VALI SAMANI, D.H. BYUN, and H. GHAEMI, “DROUGHT MONITORING USING DECILES INDEX, STANDARDIZED PRECIPITATION INDEX AND EFFECTIVE DROUGHT INDEX IN TEHRAN PROVINCE, IRAN,” IRAN AGRICULTURAL RESEARCH, vol. 23, no. 1, pp. 95–110, 2004, [Online]. Available: https://sid.ir/paper/16140/en

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