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International Journal of Agricultural Research
  Year: 2006 | Volume: 1 | Issue: 6 | Page No.: 603-608
DOI: 10.3923/ijar.2006.603.608
 
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Teleconnections Between El Nino/Southern Oscillation and Rainfall and Temperature in Iran
A. Soltani and M. Gholipoor

Abstract:
El Nino/Southern Oscillation (ENSO) has been linked to climate anomalies around the world. This study investigates the relationship between ENSO events and rainfall and temperature in Iran. Six sites with contrasting climates were selected and statistical analyses were performed to determine the impact of ENSO on winter, spring, summer and autumn precipitation and temperature. Significant correlations were found between average July-August SOI (Southern Oscillation Index) and precipitation and temperature of the following autumn and winter. In other cases, significant correlations were rare. In 2 of the 6 selected locations, autumns were significantly (p<0.01) wetter and cooler in El Niño (based on July-August average SOI) years than neutral or La Niña years. Warm phase of ENSO (El Niño years) correlated with significantly drier winters in 2 of the 6 selected locations. Negative July-August average SOI (El Niño) conditions was associated with warmer winter in all 6 selected locations. It was concluded that this teleconnection could be used in forecast application.
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How to cite this article:

A. Soltani and M. Gholipoor , 2006. Teleconnections Between El Nino/Southern Oscillation and Rainfall and Temperature in Iran. International Journal of Agricultural Research, 1: 603-608.

DOI: 10.3923/ijar.2006.603.608

URL: https://scialert.net/abstract/?doi=ijar.2006.603.608

 
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