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Cyclical long-range dependence and the warming effect in a long temperature time series

✍ Scribed by L. A. Gil-Alana


Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
133 KB
Volume
28
Category
Article
ISSN
0899-8418

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✦ Synopsis


Abstract

In this paper, we propose a new approach for modelling a long temperature time series, using fractional cyclical integration. This model is based on the observation that the estimated spectrum of the series (the average annual temperature in Central England, 1659–2001) has its highest value at a frequency which is not zero, thus suggesting the existence of cycles at other frequencies. The results based on a fractional cyclical model show that there is a significant warming effect throughout the sample of about 0.22 Β°C/century. However, if we concentrate exclusively on the data corresponding to the 20th century that value increases to 0.64%. Moreover, the results in the paper show that a fractionally cyclically integrated model can be a competing alternative to other approaches based on fractional integration at the zero frequency. Copyright Β© 2007 Royal Meteorological Society


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