“…The β h is basically affected by two factors: ocean stratification and wind stress pattern/intensity (i.e., its zonal and meridional shape) [e.g., An and Kang, 2001;Chen et al, 2015;Im et al, 2015;An and Kim, 2017]. The β h is basically affected by two factors: ocean stratification and wind stress pattern/intensity (i.e., its zonal and meridional shape) [e.g., An and Kang, 2001;Chen et al, 2015;Im et al, 2015;An and Kim, 2017].…”