Official Journal of the Asia Oceania Geosciences Society (AOGS)
Table 7 The first dominant periodicities detected in the time series of annual runoff in 11 sub-basins in the Yangtze River basin (YRB, excluding Taihu Lake basin) by power spectrum method (PSM), maximum entropy method (MEM), harmonic analysis method (HAM) and moving correlation coefficient-based analysis (MCCA)
From: Correlation-aided method for identification and gradation of periodicities in hydrologic time series
No.a | PSM | MEM | HAM | MCCA | Scoreb |
|---|---|---|---|---|---|
1 | 2, 9, 10, 11, 12, 13 | 2, 4, 11 | 8.9, 12.4 | 9.2 | 1 |
2 | 4, 5, 6, 7, 11, 12 | – | 31 | 29.6 | 1 |
3 | 6, 7, 8, 9, 10, 11, 12 | – | 4.8, 7.8, 12 | 7.5 | 1 |
4 | 7, 8, 9, 10, 12 | – | 8.9 | 9.3 | 1 |
5 | 12–16, 18, 20, 22 | – | 3.1, 15.5 | 24.6 | 0 |
6 | 2, 3, 8, 9, 10, 12 | – | 3.1, 15.5 | 3.1 | 1 |
7 | 2, 24, 26, 28, 30 | 2 | 3.6 | 24.1 | 1 |
8 | 6, 7, 8, 9 | – | 6.9, 8.9 | 6.8 | 1 |
9 | 3, 4 | 2 | – | 21.8 | 0 |
10 | 2 | 2 | 6.9 | 6.7 | 1 |
11 | 2 | 2 | – | 2 | 1 |