Statistical Assessment of Atmospheric Ozone Data for Depletion

Gregory C. Reinsel and George C. Tiao
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Gregory C. Reinsel: University of Wisconsin-Madison
George C. Tiao: University of Chicago

A chapter in Modelling and Prediction Honoring Seymour Geisser, 1996, pp 423-432 from Springer

Abstract: Abstract A seasonal trend analysis of Dobson station total ozone data from a network of 56 stations has been performed using data from 1964 through 1991. Random effects models for the individual station seasonal trend estimates, to allow for individual station and regional trend variations, are used to combine individual station trend estimates to obtain overall trend estimates in ozone for different seasons of the year as a function of latitude. The trend results indicate significant negative trends in ozone since 1970, of the order of -2.5% per decade, during the winter and spring seasons in the higher northern latitudes (40°N–65°N). A similar seasonal trend analysis over the more recent shorter time period November 1978 through 1991 is also performed using total ozone data from the TOMS satellite experiment, and results are compared with trend analysis of the Dobson ground station data for the comparable time period.

Keywords: Seasonal Trend; Total Ozone; Stratospheric Ozone; Data Period; High Northern Latitude (search for similar items in EconPapers)
Date: 1996
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4612-2414-3_27

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DOI: 10.1007/978-1-4612-2414-3_27

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