Table 1 The correlation coefficient at lag-0 and the phase shift between each index

From: The response of AUSM to precession forcing and its relation to EASM and EAWM

Index

Lag-0 correlation coefficient

Phase shift (°)

EAWM_v850 vs. Cross-equatorial flow

0.70*

10#

AUSM_u850 vs. -Cross-equatorial flow

0.16

−100

AUSM_u850 vs. -EAWM_v850

−0.13

−122

AUSM_P vs. -EAWM_v850

−0.40

138#

  1. The results are derived from the ORB run. The correlation coefficient between each index is conducted based on their filtered precession band.
  2. An asterisk (*) indicates the correlation coefficient being above the 90% confidence level, as determined by applying the Monte Carlo test.
  3. A pound (#) indicates the phase in which the coherence square passed the 90% confidence level in the coherence analysis.
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