Lu, Feiyu, Matthew J. Harrison, Anthony Rosati, Thomas L. Delworth, Xiaosong Yang, William F. Cooke, Liwei Jia, et al. 2020. “GFDL’s SPEAR Seasonal Prediction System: Initialization and Ocean Tendency Adjustment (OTA) for Coupled Model Predictions”. Journal of Advances in Modeling Earth Systems 12 (12): e2020MS002149. doi:10.1029/2020MS002149.

Delworth, Thomas L., William F. Cooke, Alistair Adcroft, Mitchell Bushuk, Jan‐Huey Chen, Krista A. Dunne, Paul Ginoux, et al. (2020) 2020. “SPEAR: The Next Generation GFDL Modeling System for Seasonal to Multidecadal Prediction and Projection”. Journal of Advances in Modeling Earth Systems 12 (3). John Wiley & Sons, Ltd. doi:10.1029/2019MS001895.