D.  Darby, Bischof, J., Cutter, G., de Vernal, A., Hillaire-Marcel, C., Dwyer, G., McManus, J., Polyak, L., Osterman, L., and Poore, R., ?New records show pronounced changes in Arctic Ocean circulation and climate (cover article)?, EOS, Transactions, American Geophysical Union, vol. 82, p. 601, 607, 2001.