A study of the early warning signals of abrupt change in the Pacific decadal oscillation
Wu Hao†a), b) 
, Hou Weib) , Yan Peng-Chengb), c) , Zhang Zhi-Senb), c) , Wang Kuod)
, Hou Wei
A study of the early warning signals of abrupt change in the Pacific decadal oscillation |
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Wu Hao†
, Hou Wei |
| Critical slowing down phenomena in different window lengths and different sliding steps of PDO index, showing the signal of variances in (a) 5-year and (b) 10-year window lengths, and the signals of autocorrelation coefficient in (c) 5-year and (d) 10-year window lengths. |
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