Non-integer (non-harmonic) spectral analysis of a Drought index for the American great plains

Authors

  • E. OLUKA YODE OLADIPO

DOI:

https://doi.org/10.54302/mausam.v40i1.1909

Abstract

A non-integer (non-harmonic) spectral analysis approa.ch is presented and used to search for periodicities in the drought indices for the Interior Plains, of North America, Covering a period of at lest 70 years. Power spectrum analysis of the drought Indices series revealed that the quasi-biennial and quasi-triennial are common periodicities in the drought series for many stations. The drought spectrum is also dominated by peaks with periods of about 5-6 years. These significant periodicities in the 2-6 year wave bands are sporadic in spatial occurrence; they can be evident at one place while being absent at another a few hundred kilometers  away

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Published

01-01-1989

How to Cite

[1]
E. O. Y. OLADIPO, “Non-integer (non-harmonic) spectral analysis of a Drought index for the American great plains”, MAUSAM, vol. 40, no. 1, Jan. 1989.

Issue

Vol. 40 No. 1 (1989): MAUSAM

Section

Research Papers

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