Metallic elements in particulates released during incense-burning at Tzu Yun Yen temple, Taichung, Taiwan
by Guor-Cheng Fang, Chia-Chium Chu, Yuh-Shen Wu, Peter Pi-Cheng Fu
International Journal of Environment and Pollution (IJEP), Vol. 19, No. 6, 2003

Abstract: Concentrations of ambient suspended particulates were measured at Tzu Yun Yen temple (120°, 34´ 10”E; 24°, 16´, 12”N), using a Universal sampler and dry deposition plates. The temple is a characteristic incense-burning and semi-open sampling site. PM_2.5 concentrations for Period 1 (average 901µg/m³) were higher than those for Period 2 (average 701µg/m³). Results for average PM_2.5-10concentrations showed equal distributions in Period 1 and Period 2. Average ratios of PM_2.5/ PM₁₀ were higher in Period 1 (74%) than Period 2 (71%). In addition, the suspended particulate (PM₁₀) elements concentrations during Zhong Yuan Jie, and the first and 15th days of nong li for each month (Chinese lunar calendar) were all higher than during non-Zhong Yuan Jie and non-first and non-15th days. Furthermore, the dry deposition velocities of manganese in fine particulates (PM_2.5) and suspended particulates (PM₁₀) were 1.43 and 0.751cm/s, respectively, and the dry deposition velocities of cadmium in fine particulates (PM_2.5) and suspended particulates (PM₁₀) were 1.86 and 0.991cm/s, respectively.

Online publication date: Mon, 10-May-2004

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