Long-term retrieval and analysis of aerosol components and optical properties in Tianjin, China: Insights from GRASP/component approach and sun-photometer observations (2014–2024) - Xindan Zhang; Lei Li; Yu Zheng; Jibiao Zhu; Tiantao Cheng; Ke Gui; Yuanxin Liang; Shuhui Liu; Haoling Zhang; Jingrui Ma; Huizheng Che; Xiaoye Zhang (Atmospheric Research, 2026)