Comment on

• Coupled ocean-atmosphere dynamics in the Indian Ocean during 1997-98.

  Webster PJ, Moore AM, Loschnigg JP, Leben RR. Webster PJ, et al. Nature. 1999 Sep 23;401(6751):356-60. doi: 10.1038/43848. Nature. 1999. PMID: 16862107
• A dipole mode in the tropical Indian Ocean.

  Saji NH, Goswami BN, Vinayachandran PN, Yamagata T. Saji NH, et al. Nature. 1999 Sep 23;401(6751):360-3. doi: 10.1038/43854. Nature. 1999. PMID: 16862108