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Título
Temporal and spatial variability in surface air temperature and diurnal temperature range in Spain over the period 1950–2011
Año del Documento
2019
Editorial
MDPI
Descripción
Producción Científica
Documento Fuente
Climate, 2019, vol. 7, n. 1, p. 16.
Resumo
Maximum (Tmax), minimum (Tmin), mean (Tmean) air temperature and diurnal temperature range (DTR) trends on a seasonal and annual time scale are evaluated from data recorded at nine Spanish weather stations during the period 1950–2011. Temporal and spatial variability in temperatures and in the diurnal temperature range (DTR) are presented. The non-parametric Theil-Sen approach and the Mann-Kendall test are used to evaluate anomaly temperature trends and their statistical significance, respectively. An air temperature reduction in Spain between 1950 and 1980 emerges and significant warming is observed between 1980 and 2011. On a seasonal scale, the weakest trends (mostly insignificant at the 5% confidence level) are noted during autumn, while the strongest warming rates were found during summer and spring. The rate of change between 1950 and 2011 in Tmax, Tmin and Tmean was 1.6 °C, 1.1 °C and 1.3 °C, respectively. DTR trends showed a decrease on the Mediterranean coast and a small change in northern, Atlantic and rural areas. The spatial distribution of annual and seasonal trends was plotted as isoline maps and strong trend gradients from the south to the north of the country are observed. DTR values were negatively correlated with relative humidity and precipitation and positively correlated with sunshine hours.
Materias Unesco
25 Ciencias de la Tierra y del Espacio
Palabras Clave
Surface air temperature
DTR
Isoline trend maps
Climate change
ISSN
2225-1154
Revisión por pares
SI
Patrocinador
Ministerio de Ciencia e Innovación ( project CGL2011-25363)
Version del Editor
Propietario de los Derechos
© 2019 The Authors
Idioma
eng
Tipo de versión
info:eu-repo/semantics/publishedVersion
Derechos
openAccess
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