TY - Journal of Arid Meteorology A1 - HAO Hui, GUO Qingyuan, MA Pengcheng, WANG Lina, LIU Liwei, LIU Weiping, LI Changde T1 - Characteristics of Extreme Low Temperature Events in Southeast of Gansu Province in Recent 50 Years and Their Circulation Background Y1 - 2020-12-31 JF - Journal of Arid Meteorology JO - Journal of Arid Meteorology SP - 900 EP - 908 VL - 38 IS - 6 UR - http://www.ghqx.org.cn N1 - ER -