Liu, Yun, Zhengyu Liu, Shaoqing Zhang, X. Rong, Robert Jacob, S. Wu, and Feiyu Lu. (2014) 2014. “Ensemble-Based Parameter Estimation in a Coupled GCM Using the Adaptive Spatial Average Method”. Journal of Climate 27 (11): 4002–4014. doi:10.1175/JCLI-D-13-00091.1.

Lu, Feiyu, Zhengyu Liu, Shaoqing Zhang, and Robert Jacob. (2017) 2017. “Assessing Extratropical Impact on the Tropical Bias in Coupled Climate Model With Regional Coupled Data Assimilation”. Geophysical Research Letters 44 (7): 3384–3392. doi:10.1002/2017GL072890.

Lu, Feiyu, Zhengyu Liu, Yun Liu, Shaoqing Zhang, and Robert Jacob. (2017) 2017. “Understanding the Control of Extratropical Atmospheric Variability on ENSO Using a Coupled Data Assimilation Approach”. Climate Dynamics 48 (9-10). Springer Berlin Heidelberg: 3139–3160. doi:10.1007/s00382-016-3256-7.

Lu, Feiyu, Zhengyu Liu, Shaoqing Zhang, Yun Liu, and Robert Jacob. (2015) 2015. “Strongly Coupled Data Assimilation Using Leading Averaged Coupled Covariance (LACC). Part II: CGCM Experiments*”. Monthly Weather Review 143 (11): 4645–4659. doi:10.1175/MWR-D-15-0088.1.

Liu, Yun, Zhengyu Liu, Shaoqing Zhang, Robert Jacob, Feiyu Lu, Rong, and Wu. 2014. “Ensemble-Based Parameter Estimation in a Coupled General Circulation Model”. Journal of Climate 27 (18): 7151–7162. doi:10.1175/JCLI-D-13-00406.1.