Persistence and Time Trends in the Temperatures in Spain
This paper deals with the analysis of the temperatures in several locations in Spain during the last 50 years. We focus on the degree of persistence of the series, measured through a fractional differencing parameter. This is crucial to properly estimate the parameters of the time trend coefficients...
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| Format: | Article |
| Language: | English |
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Wiley
2009-01-01
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| Series: | Advances in Meteorology |
| Online Access: | http://dx.doi.org/10.1155/2009/415290 |
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| _version_ | 1832551524019994624 |
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| author | Luis A. Gil-Alana |
| author_facet | Luis A. Gil-Alana |
| author_sort | Luis A. Gil-Alana |
| collection | DOAJ |
| description | This paper deals with the analysis of the temperatures in several locations in Spain during the last 50 years. We focus on the degree of persistence of the series, measured through a fractional differencing parameter. This is crucial to properly estimate the parameters of the time trend coefficients in order to determine the degree of warming in the area. The results indicate that all series are fractionally integrated with orders of integration ranging between 0 and 0.5. Moreover, the time trend coefficients are all positive though they are statistically insignificant, which is in contrast with the results based on nonfractional integration. |
| format | Article |
| id | doaj-art-35d72bbf31f84632a4ab9ff86d2e7bb5 |
| institution | Kabale University |
| issn | 1687-9309 1687-9317 |
| language | English |
| publishDate | 2009-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Meteorology |
| spelling | doaj-art-35d72bbf31f84632a4ab9ff86d2e7bb52025-02-03T06:01:11ZengWileyAdvances in Meteorology1687-93091687-93172009-01-01200910.1155/2009/415290415290Persistence and Time Trends in the Temperatures in SpainLuis A. Gil-Alana0Department of Quantitative Methods, Faculty of Economics, University of Navarra, 31080 Pamplona, SpainThis paper deals with the analysis of the temperatures in several locations in Spain during the last 50 years. We focus on the degree of persistence of the series, measured through a fractional differencing parameter. This is crucial to properly estimate the parameters of the time trend coefficients in order to determine the degree of warming in the area. The results indicate that all series are fractionally integrated with orders of integration ranging between 0 and 0.5. Moreover, the time trend coefficients are all positive though they are statistically insignificant, which is in contrast with the results based on nonfractional integration.http://dx.doi.org/10.1155/2009/415290 |
| spellingShingle | Luis A. Gil-Alana Persistence and Time Trends in the Temperatures in Spain Advances in Meteorology |
| title | Persistence and Time Trends in the Temperatures in Spain |
| title_full | Persistence and Time Trends in the Temperatures in Spain |
| title_fullStr | Persistence and Time Trends in the Temperatures in Spain |
| title_full_unstemmed | Persistence and Time Trends in the Temperatures in Spain |
| title_short | Persistence and Time Trends in the Temperatures in Spain |
| title_sort | persistence and time trends in the temperatures in spain |
| url | http://dx.doi.org/10.1155/2009/415290 |
| work_keys_str_mv | AT luisagilalana persistenceandtimetrendsinthetemperaturesinspain |