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Influencia térmica antrópica local y global en el observatorio Fabra para el periodo 1924-2016
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[spa] Se presenta una primera aproximación en la diferenciación de la contribución local y global en el incremento de la temperatura del aire en Barcelona. Para ello, se busca determinar la influencia local del área metropolitana de Barcelona en el aumento de la temperatura del aire registrado en el observatorio Fabra, para el periodo 1924-2016, a diferencia del observatorio del Ebro (observatorio de referencia) que presenta solamente la influencia del calentamiento global por ubicarse en una zona rural. La temperatura registrada en el observatorio Fabra presentó una tendencia significativa al incremento durante 1924-2016, incrementándose la temperatura media anual en 1,26 °C. Durante el subperiodo 1972-2016, la temperatura registró una tasa más acelerada en comparación con el subperiodo 1924-1971, coincidiendo el primer subperiodo con los años en que las investigaciones sobre el cambio climático muestran resultados más concluyentes de la influencia antropogénica en el aumento de la temperatura del aire. Considerando dicho subperiodo, el observatorio Fabra registró una influencia térmica local del área metropolitana de Barcelona de 0,0073 °C/año en la temperatura media anual, mientras que 0,0386 °C/año correspondió al aporte del calentamiento global, registrado en el observatorio del Ebro.
[eng] This article shows a first approach in the differentiation between the local and global contribution in the increase of the air temperature in Barcelona. Accordingly, the local influence of the Barcelona metropolitan area on the increase of air temperature is assessed by the recorded data at the Fabra observatory for the period 1924-2016; and then, it is compared with the Ebro observatory's (reference observatory), which only presents a global warming influence as it is located in a rural zone. The results show that the temperature recorded in the Fabra observatory has a significant increasing trend; in the term 1924-2016, where the increase of the average monthly temperature was identified in 1,26 °C. The increasing temperature rate recorded for the subperiod 1972-2016 in the Fabra observatory was faster than the one registered for the subperiod 1924-1971, coinciding with the years in which climate change researches have shown more conclusive results of the anthropogenic influence in the increase of air temperature. In this subperiod, the results indicate that the Fabra observatory registered a local thermal influence of the Barcelona metropolitan area which contributes in an increase of 0,0073 °C/year in the average annual temperature, whereas the contribution of the global warming, registered at Ebro observatory, corresponded to an increase of 0,0386 °C/year.
[eng] This article shows a first approach in the differentiation between the local and global contribution in the increase of the air temperature in Barcelona. Accordingly, the local influence of the Barcelona metropolitan area on the increase of air temperature is assessed by the recorded data at the Fabra observatory for the period 1924-2016; and then, it is compared with the Ebro observatory's (reference observatory), which only presents a global warming influence as it is located in a rural zone. The results show that the temperature recorded in the Fabra observatory has a significant increasing trend; in the term 1924-2016, where the increase of the average monthly temperature was identified in 1,26 °C. The increasing temperature rate recorded for the subperiod 1972-2016 in the Fabra observatory was faster than the one registered for the subperiod 1924-1971, coinciding with the years in which climate change researches have shown more conclusive results of the anthropogenic influence in the increase of air temperature. In this subperiod, the results indicate that the Fabra observatory registered a local thermal influence of the Barcelona metropolitan area which contributes in an increase of 0,0073 °C/year in the average annual temperature, whereas the contribution of the global warming, registered at Ebro observatory, corresponded to an increase of 0,0386 °C/year.
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BARROS POZO, Patricia magaly, MARTÍN VIDE, Javier. Influencia térmica antrópica local y global en el observatorio Fabra para el periodo 1924-2016. _Boletín de la Asociación de Geógrafos Españoles_. 2018. Vol. 79. [consulta: 23 de gener de 2026]. ISSN: 0212-9426. [Disponible a: https://hdl.handle.net/2445/130650]