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Reassessment and update of long-term trends in downward surface shortwave radiation over Europe (1939–2012)
Title: Reassessment and update of long-term trends in downward surface shortwave radiation over Europe (1939–2012)
Authors: Sánchez Lorenzo, ArturoWild, MartinBrunetti, MicheleGuijarro Pastor, José AntonioHakuba, Maria Z.Calbó, JosepMystakidis, StefanosBartok, Blanka
Keywords: Global irradiance; Surface observations; Homogenization; Brightening
Issue Date: 2015
Publisher: American Geophysical Union
Citation: Journal of Geophysical Research: Atmospheres. 2015, 120(18), p. 9555–9569
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Abstract: This paper presents trends in downward surface shortwave radiation (SSR) over Europe, which are based on the 56 longest series available from the Global Energy Balance Archive that are mainly concentrated in central Europe. Special emphasis has been placed on both ensuring the temporal homogeneity and including the most recent years in the data set. We have generated, for the first time, composite time series for Europe covering the period 1939–2012, which have been studied by means of running trend analysis. The mean annual SSR series shows an increase from the late 1930s to the early 1950s (i.e., early brightening), followed by a reduction until mid-1980s (i.e., global dimming) and a subsequent increase up to the early 2000s (i.e., global brightening).
Sponsorship : This research was supported by the Swiss National Science Foundation grant 200021 135395 (“Towards an improved understanding of the Global Energy Balance: Absorption of solar radiation”) and the Spanish Ministry of Science and Innovation projects CGL2010-18546 and CGL2011-27574- CO2-02. The first author was supported by a postdoctoral fellowship from the “Secretaria per a Universitats i Recerca del Departament d’Economia i Coneixement, de la Generalitat de Catalunya i del programa Cofund de les Accions Marie Curie del 7è Programa marc d’R+D de la Unió Europea” (2011 BP-B 00078) and the postdoctoral fellowship JCI-2012-12508.
ISSN: 2169-897X
Appears in Collections:Artículos científicos 2015-2018

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