TY - JOUR A1 - Shangguan, M. A1 - Wang, W. T1 - The semi-annual oscillation (SAO) in the upper troposphere and lower stratosphere (UTLS) JO - Atmos. Chem. Phys. J1 - ACP VL - 22 IS - 14 SP - 9499 EP - 9511 Y1 - 2022/07/22 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/22/9499/2022/ L1 - https://acp.copernicus.org/articles/22/9499/2022/acp-22-9499-2022.pdf DO - 10.5194/acp-22-9499-2022 ER -