Elevation-dependent cooling caused by volcanic eruptions during last millennium

Liang Ning1, Jian Liu1, Raymond S Bradley2, Mi Yan3, Weiyi Sun1 and Lu Liu1, (1)Nanjing Normal University, School of Geographical Sciences, Nanjing, China, (2)Univ Massachusetts, Amherst, MA, United States, (3)Nanjing Normal University, Nanjing, China