An analysis of Manley's central England temperature data: I

✍ Scribed by T. G. J. Dyer

• Publisher: John Wiley and Sons
• Year: 1976
• Tongue: English
• Weight: 976 KB
• Volume: 102
• Category: Article
• ISSN: 0035-9009
• DOI: 10.1002/qj.49710243415

✦ Synopsis

Abstract

Manley's (1974) temperature data for central England are subjected to analyses which suggest that they should be treated as a set of monthly time series. Secular variation is found for the months October to April inclusive. Extended methods dealing with spectral analysis are used to focus attention on the mainly longer‐period oscillations. Oscillations of lengths 10–12 and 22–25 years are suggested for some months. Burg's maximum entropy spectral method has been used to resolve signals in the very low frequencies. The combined variance associated with these oscillations is shown to increase for months near mid‐year when the sun has its maximum north declination and to decrease for months on either side of June and July to a minimum when the sun has greatest south declination. Furthermore, the variance associated with months when the sun changes direction in declination and crosses the equator appears to receive boosts.