1. M. A. Cane, A. C. Clement, A. Kaplan, Y. Kushnir, D. Pozdnyakov, R. Seager, S. E. Zebiak, Lamont-Doherty Earth Observatory, Palisades, NY 10964-8000, USA.
2. R. Murtugudde, Universities Space Research Association, Laboratory for Hydrospheric Processes, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.