Long-term variations in solar radiation, diffuse radiation, and diffuse radiation fraction caused by aerosols in China during 1961-2016.

PLoS One · 2021 · PMC8092767 · PMID 33939718

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

showed a trendno p-value reported

From 1991 to 1993, the total radiation showed a trend of rapid decrease, which may have been related to the eruption of the Pinatubo volcano in 1991.

also in 53,322 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.