Detection and Attribution of Atmospheric Precipitable Water Changes since the 1970s over China.

The results showed that PW exhibits a clear increase, with an upward trend of 0.29 mm decade −1 for China as a whole and 0.32 mm decade −1 for eastern China during 1970–2012; and the trend has accelerated since the mid-1980s, with a positive trend of 0.34 mm decade −1 during 1986–2012 for China and a more rapid growth of 0.38 mm decade −1 for eastern China.

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