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頁籤選單縮合
題名 | Applied Appropriate Models to the Dry Deposition Calculation in Central Taiwan=應用適當之沉降模式於臺中地區乾沉降之計算 |
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作者 | 方國權; 吳玉琛; 范煥榮; 葉進儀; 賴坤助; 陳惠鋗; Fang, Guor-cheng; Wu, Yuh-shen; Fan, Huan-jung; Yeh, Jinn-yi; Lai, Kuen-chu; Chen, Hwei-chuan; |
期刊 | 弘光學報 |
出版日期 | 20001000 |
卷期 | 36 2000.10[民89.10] |
頁次 | 頁149-159 |
分類號 | 445.63 |
語文 | eng |
關鍵詞 | 大氣懸浮微粒; 乾沈降; Dry deposition; Suspended particles; |
英文摘要 | Dry deposition plates, PS-1, MOUDI (micro orifice uniform deposit impactor), NRI (Noll rotary impactor) and Universal sampler were used to measure dry deposition fluxes, ambient air particle concentrations during day and night periods at a traffic and a rural sampling site in central Taiwan. In this study, MOUDI, NRI and Universal sampler were used to estimate the dry deposition flux. The ratios of estimated/measured dry deposition flux of total particle mass in the traffic area are better than the rural sampling site. The results indicated that dry deposition fluxes of total particle mass in the traffic site are about 100 magnitude higher than the rural sampling site. Statistical results also proved that there are no significant difference for the coarse particle concentrations in the traffic and rural sampling site. Universal sampler is applied in predicting dry deposition flux in the rural site. The results show that Universal sampler is not a suitable device in predicting dry deposition because it can only collect particle size less than 10 μ m. |
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