Scientific journal publication Geographical dependence observed in blocking high influence on the stratospheric variability through enhancement and suppression of upward planetary-wave propagation. Nishii, K.; Nakamura, H.; Orsolini, Y.J. Publication details Journal: J. Clim., 24, 6408–6423, 2011 DOI: 10.1175/JCLI-D-10-05021.1