@article{oai:tohoku.repo.nii.ac.jp:00005282, author = {YASUNAKA, Sayaka and HANAWA, Kimio}, issue = {1}, journal = {Journal of the Meteorological Society of Japan. Ser. II}, month = {}, note = {学術論文 (Article)}, pages = {119--135}, title = {Regime shifts found in the Northern Hemisphere SST field}, volume = {80}, year = {2002} }