A new look at solar dimming and brightening in China
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Date
2016-11-28
Publication Type
Journal Article
ETH Bibliography
yes
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Abstract
Published estimates on the magnitude of solar dimming and brightening in China show large discrepancies and inconsistencies in its seasonal variations. A nationwide reorganization of the surface solar radiation (SSR) network during 1990–1993 contributed to these uncertainties, which is reflected in a sudden upward jump in the published composite SSR time series. This jump is found to be prevalent in 23 out of 130 stations due to both natural (7 stations) and operational factors (16 stations). After eliminating the stations containing artifacts and discontinuous records, a new magnitude of solar dimming and brightening was estimated for China, and seasonal trends were determined. A transition from dimming to brightening remains in the SSR trend in China after excluding the affected stations and associated jump, in line with the global SSR trend.
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Publication status
published
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Book title
Journal / series
Volume
43 (22)
Pages / Article No.
11777 - 11785
Publisher
American Geophysical Union
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Edition / version
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Software
Geographic location
Date collected
Date created
Subject
Magma; Pumice; Degassing; Volcanic conduit