Recent regional surface solar radiation dimming and brightening patterns: inter-hemispherical asymmetry and a dimming in the Southern Hemisphere (Journal article)
Hatzianastassiou, N./ Papadimas, C. D./ Matsoukas, C./ Pavlakis, K./ Fotiadi, A./ Wild, M./ Vardavas, I.
Recent variations in surface solar radiation (SSR) at the beginning of the 21st century (2000-2007) were determined at scales ranging from local/regional to hemispherical/global, on the basis of radiative transfer computations and information from satellites, reanalyses and surface measurements. Under all-sky conditions, in the Northern Hemisphere (NH) there is no clear dimming/brightening signal after 2000, whereas in the SH there is a more clear dimming arising from both increasing clouds and aerosols. Dimming is observed over land and ocean in the Southern Hemisphere (SH), and over oceans in the NH, whereas a slight brightening occurred over NH land. However, opposite tendencies are found even within the same continent, indicating the need to assess SSR changes at regional/local scales apart from hemispherical/global ones. Copyright (c) 2011 Royal Meteorological Society
|Institution and School/Department of submitter:||Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών|
|Keywords:||solar radiation,climate,dimming,brightening,clouds,aerosols,earths surface,reanalysis,trends|
|Link:||<Go to ISI>://000299206500007|
|Appears in Collections:||Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)|
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|Hatzianastassiou-2012-Recent regional surf.pdf||272.35 kB||Adobe PDF||View/Open|
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