Mechanisms of Regional Arctic Sea Ice Predictability in Two Dynamical Seasonal Forecast Systems. - Bushuk, Mitchell; Zhang, Yongfei; Winton, Michael; Hurlin, Bill; Delworth, Thomas; Lu, Feiyu; Jia, Liwei; Zhang, Liping; Cooke, William; Harrison, Matthew; Johnson, Nathaniel C.; Kapnick, Sarah; et al. (Journal of Climate, 2022)