Detection of trends and break points in temperature: the case of Umbria (Italy) and Guadalquivir Valley (Spain)

• Autorzy: Herrera-Grimaldi, P. , García-Marín, A. , Ayuso-Muñoz, J. L. , Flamini, A. , Morbidelli, R. , Ayuso-Ruíz, J. L.
• Języki publikacji: EN

Abstrakty

EN

The increase of air surface temperature at global scale is a fact with values around 0.85 °C since the late nineteen century. Nevertheless, the increase is not equally distributed all over the world, varying from one region to others. Thus, it becomes interesting to study the evolution of temperature indices for a certain area in order to analyse the existence of climatic trend in it. In this work, monthly temperature time series from two Mediterranean areas are used: the Umbria region in Italy, and the Guadalquivir Valley in southern Spain. For the available stations, six temperature indices (three annual and three monthly) of mean, average maximum and average minimum temperature have been obtained, and the existence of trends has been studied by applying the non-parametric Mann–Kendall test. Both regions show a general increase in all temperature indices, being the pattern of the trends clearer in Spain than in Italy. The Italian area is the only one at which some negative trends are detected. The presence of break points in the temperature series has been also studied by using the non-parametric Pettit test and the parametric standard normal homogeneity test (SNHT), most of which may be due to natural phenomena.

Słowa kluczowe

PL

tendencja; temperatura; punkt przerwania; test jednorodności

EN

trend; temperature; break point; homogeneity test

• Czasopismo: Acta Geophysica
• Rocznik: 2018
• Tom: Vol. 66, no. 3
• Strony: 329--343
• Opis fizyczny: Bibliogr. 39 poz.

Twórcy

autor

Herrera-Grimaldi, P.

• Área de Proyectos de Ingeniería, Departmento de Ingeniería RuralUniversidad de Córdoba Córdoba Spain

autor

García-Marín, A.

• Área de Proyectos de Ingeniería, Departmento de Ingeniería RuralUniversidad de Córdoba Córdoba Spain,

autor

Ayuso-Muñoz, J. L.

• Área de Proyectos de Ingeniería, Departmento de Ingeniería RuralUniversidad de Córdoba Córdoba Spain

autor

Flamini, A.

• Área de Proyectos de Ingeniería, Departmento de Ingeniería RuralUniversidad de Córdoba Córdoba Spain
• Department of Civil and Environmental EngineeringUniversity of Perugia Perugia Italy

autor

Morbidelli, R.

• Department of Civil and Environmental EngineeringUniversity of Perugia Perugia Italy

autor

Ayuso-Ruíz, J. L.

• Área de Proyectos de Ingeniería, Departmento de Ingeniería RuralUniversidad de Córdoba Córdoba Spain

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Uwagi

Wśród listy autorów artykułu błąd w nazwisku jednego z nich. Poprawna pisownia to Alessia Flammini.

Identyfikatory

DOI

10.1007/s11600-018-0118-1