TY - GEN AU - Kent, G.S. TI - Variation in the stratospheric aerosol associated with the north cyclonic polar vortex as measured by the SAM-2 satellite sensor KW - AEROSOIS ESTRATOSFERICOS KW - VORTICES POLARES KW - 551.510.532 KW - med KW - fre KW - 551.510.42 ER -