Exploring an ozone spatial time series in the frequency domain

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


In 1974, atmospheric scientists (Molina and Rowland; Cicerone et al.) first postulated that man-made chemicals known as CFC’s (e.g., freon) deplete the earth’s ozone when released into the atmosphere. This article presents an exploratory data analysis (EDA) of a spatial time series of ozone measurements. Frequency domain techniques for the EDA are introduced and used to graphically display global, long-term trends relevant to the CFC issue. My intention is to illustrate the effectiveness of a frequency domain approach to exploring a spatial time series.

Original languageEnglish (US)
Pages (from-to)323-331
Number of pages9
JournalJournal of the American Statistical Association
Issue number390
StatePublished - Jun 1985


  • Exploratory data analysis
  • Frequency domain
  • Ozone
  • Spatial time series

ASJC Scopus subject areas

  • Statistics and Probability
  • Statistics, Probability and Uncertainty


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