Article Type:
Research Article

Testing for Change in the Frequency of El Niño Events

Andrew R. Solow Woods Hole Oceanographic Institution, Woods Hole, Massachusetts

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Print Publication:
01 Oct 1995
DOI:
https://doi.org/10.1175/1520-0442(1995)008<2563:TFCITF>2.0.CO;2
Page(s):
2563–2566
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Abstract

This note describes and applies a test for trend in the frequency of El Niño events over the period 1525–1987. Although there appears to have been a significant increase in frequency over this period, this result is consistent with an overall increase in the completeness of the historical record. When the analysis is repeated for the later part of the period and for strong events alone, no significant trends are found.

Abstract

This note describes and applies a test for trend in the frequency of El Niño events over the period 1525–1987. Although there appears to have been a significant increase in frequency over this period, this result is consistent with an overall increase in the completeness of the historical record. When the analysis is repeated for the later part of the period and for strong events alone, no significant trends are found.

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