EFFECT OF EL NINO-SOUTHERN OSCILLATION ON ANNUAL MAXIMUM FLOOD IN SOUTHWESTERN OF IRAN

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HAGH NEGAHDAR A.; SAGHAFIAN B.; AKHTARI R.A.

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Journal: WATER AND WASTEWATER Year:2008 | Volume:18 | Issue:4 (64) Page(s): 66-78

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Title

EFFECT OF EL NINO-SOUTHERN OSCILLATION ON ANNUAL MAXIMUM FLOOD IN SOUTHWESTERN OF IRAN

Author(s)

HAGH NEGAHDAR A. | SAGHAFIAN B. | AKHTARI R.A. | Issue Writer Certificate

Keywords

CLIMATE SIGNALSQ4

ENSOQ4

EL NINOQ3

SOUTHERN OSCILLATIONQ4

AMFQ4

SOUTHWESTERN OF IRANQ4

Abstract

Flood forecasting and the study of the factors involved in flood events form important issues of concern in water resources management. In recent years, the influence of large-scale global climate phenomena on flood peaks has attracted more attention. In this paper, the effect of EL NINO-Southern Oscillation (ENSO) is investigated on annual maximum flood (AMF) in Iran’s southwestern basins. The basins are located upstream of Dez and Karun-I dams. ENSO effects on probability, magnitude, and intensity (probability times magnitude) of AMF in the Esfand-Farvardin (March-April) period are examined. The results indicate that following EL NINO, the probability of an AMF occurrence larger than the AMF corresponding to neutral ENSO conditions is higher in the study period. The opposite is true for La Nina conditions. It is also seen that EL NINO effects are more intense than those of La Nina period.

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APA: Copy

HAGH NEGAHDAR, A., SAGHAFIAN, B., & AKHTARI, R.A.. (2008). EFFECT OF EL NINO-SOUTHERN OSCILLATION ON ANNUAL MAXIMUM FLOOD IN SOUTHWESTERN OF IRAN. WATER AND WASTEWATER, 18(4 (64)), 66-78. SID. https://sid.ir/paper/103944/en

Vancouver: Copy

HAGH NEGAHDAR A., SAGHAFIAN B., AKHTARI R.A.. EFFECT OF EL NINO-SOUTHERN OSCILLATION ON ANNUAL MAXIMUM FLOOD IN SOUTHWESTERN OF IRAN. WATER AND WASTEWATER[Internet]. 2008;18(4 (64)):66-78. Available from: https://sid.ir/paper/103944/en

IEEE: Copy

A. HAGH NEGAHDAR, B. SAGHAFIAN, and R.A. AKHTARI, “EFFECT OF EL NINO-SOUTHERN OSCILLATION ON ANNUAL MAXIMUM FLOOD IN SOUTHWESTERN OF IRAN,” WATER AND WASTEWATER, vol. 18, no. 4 (64), pp. 66–78, 2008, [Online]. Available: https://sid.ir/paper/103944/en

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