TY - RPRT TI - Volcanic ash plume identification using polarization lidar: Augustine eruption, Alaska AU - Kenneth Sassen AU - Jiang Zhu AU - Peter W. Webley AU - K. Dean AU - Patrick Cobb PY - 2007 DO - 10.1029/2006gl027237 UR - https://pubs.usgs.gov/publication/70171984 ID - 70171984 ER -