Diurnal Variation of Atmospheric Light-Absorption Characteristic of Total Suspended Particles in BangkokNarisara Siriwattananonkul, Mitsuhiko Hata, Surat Bualert and Thunyapat ThongyenE3S Web Conf., 712 (2026) 02005DOI: https://doi.org/10.1051/e3sconf/202671202005