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| 題 名 | 颱風影響中東亞硫沉降與輸送研究=Sulfur Deposition and Transport in East Asia under Typhoon Weather Condition |
|---|---|
| 作 者 | 劉廣英; 王自發; 蕭玲鳳; | 書刊名 | 大氣科學 |
| 卷 期 | 27:2 1999.06[民88.06] |
| 頁 次 | 頁159-170 |
| 分類號 | 328.55 |
| 關鍵詞 | 颱風; 硫化物; 沉降; 輸送; Typhoon; Sulfur; Deposition; Transport; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 利用三維歐拉(Eulerian)型污染物長距離輸送模式,研究颱風天氣過程中東亞地區硫化物濃度與沉降的時空分布特點以及硫化物的輸送態勢。結果顯示:颱風天氣狀況下硫化物的分佈與月平均的情況有顯著差異,SO�荼滋猁瑪@度與SO�秣禰誘W是同一量級;在颱風中心SO�荼滋猁漕I降量大於SO�祖漕I降量,並且高值中心分離很顯著,濕沉降佔總沉降的比例很大;颱風中心積聚大量的硫化物,並對於週邊地區硫化物的輸送產生很大的影響。此結果不但突顯了染物輸送與大氣條件關係密切,更為空氣污染預報提供重要的判據。 |
| 英文摘要 | The spatial distribution of sulfur concentration and deposition and its transport are studied with the transport model focusing on the landing weather process of the typhoon. The results show that there are much difference of spatial distribution of sulfur concentration with monthly averaged and the concentration of sulfate has reached the same level of sulfur oxidate under typhoon weather condition. The concentration of sulfate are higher than that of sulfur oxidate in rainfal area especially in the surrounding of low-pressure areas of typhoon while less than in no-precipitation area. The high-value center of sulfate separated with that of sulfur oxidate comparing with monthly averaged. The deposition of sulfate are much more than that of sulfur oxidate in the center of typhoon and wet deposition reached at prime percentage of total deposition. Lots of sulfur are convected into the center of typhoon and typhoon has noticeable influence on the transport of sulfur in surroundings. |
本系統中英文摘要資訊取自各篇刊載內容。