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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 1:44 |
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Conference: Bucharest University Faculty of Physics 2018 Meeting
Section: Atmosphere and Earth Science; Environment Protection
Title:
Dominant modes of variability identified in the global precipitation field
Authors:
Baiadera-Gabriela KONRADI (STANCIU)(1), Mihai DIMA(1)
Affiliation:
1) University of Bucharest, Faculty of Physics, P.O.Box MG-11, Magurele, 077125 Bucharest, Romania
E-mail
baiaderagabriela@gmail.com
Keywords:
precipitation, climate modes, eof, variance
Abstract:
The goal of the study is to identify the dominant modes of the global precipitation field variability over the 1901-2016. In order to do this, the Empirical Orthogonal Method is applied to annual and seasonal averages of the precipitation field from the CRU TS4.01 data set. The results emphasize the global spatial structures of two important climate modes: the global warming (GW) and the Atlantic Multidecadal Oscillation (AMO). Although both modes are associated with a significant predictability potential resulting from their trend-like and oscillatory nature, together they explain only 12% of variance in the global precipitation field. It is likely that the global precipitation patterns associated with these two modes will continue to manifest in the next decades.
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