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Student Number 976201021
Author Su-han Kuo(郭姝涵)
Author's Email Address 976201021@cc.ncu.edu.tw
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Department Graduate Institute of Atmospheric Physics
Year 2009
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title Development of a High-Resolution Wind Model for Atmospheric Pollutant Dispersion Simulation
Date of Defense 2010-06-09
Page Count 169
Keyword
  • Lagrangian method
  • Wind Model
  • Abstract Four serious air pollution episodes occurred in DaFa industrial park in southern Taiwan in December, 2008.More than 120 students and their teachers, from Chao-Liao elementary school and Chao-Liao junior high school, were sent to the hospital as a result of those events. In northern Taiwan, the oil refinery emits odor which is not good for environment of citizens. The events mentioned above all occurred in a small area within short time.
    This paper used a high spatial and high time step resolution model, Wind model V3 , which was developed by Atmospheric Chemistry Lab at Institute of Atmospheric Physics(NCU). The model is particularly aimed to simulate industrial parks and oil refineries air pollution events. The levels of odor in the polluted area were quantified by the forward simulation, while the pollution sources were identified by the backward simulation.
    The forward simulation result showed that factory NU5 in DaFa industrial park contributed 45% polluted level to Chao-Liao junior high school and 43% polluted level to Chao-Liao elementary school and the backward simulation result show that source of air pollutants came form the direction of the NU5 factory during the first air pollution event. In the oil refinery case forward particle simulations present that the largest contribution (50%) was from the Flare-area. These results shown good performance of Wind model V3 to identify the contributors of odor.
    In order to verify the application of Wind model V3, the comparison between model result and observed data was conducted in this study, and the consistency between both was good.
    Table of Content 中文摘要...................................................i
    ABSTRACT.................................................iii
    誌謝......................................................iv
    目錄.......................................................v
    附圖目錄.................................................vii
    附表目錄.................................................xvi
    第一章、前言.............................................1
    1.1研究背景...........................................1
    1.2風場模式發展介紹...................................4
    1.3研究動機與目的.....................................6
    第二章、資料彙集以及研究方法.............................8
    2.1資料彙集...........................................8
    2.1.1環保署空氣品質監測站...............................8
    2.1.2中央氣象局資料.....................................9
    2.1.3日本氣象廳資料....................................10
    2.1.4中油股份有限公司風向、風速儀資料..................11
    2.1.5GC-MS觀測資料.....................................11
    2.2第三版風場模式介紹................................11
    2.2.1模式模擬流程......................................12
    2.2.1.1網格風場的製作....................................12
    2.2.1.2網格風場時間內插、空間擷取以及質點擴散模擬........14
    2.2.1.3質點擴散模擬結果分析..............................18
    2.2.2模式設定說明......................................18
    2.2.2.1小時網格風場製作模式設定步驟以及注意事項..........19
    2.2.2.2小時網格風場空間擷取、時間內插以及質點擴散模擬模式執行設定步驟以及注意事項....................................20
    2.2.2.3質點擴散模擬結果分析程式使用說明..................22
    2.3實驗方法..........................................23
    2.3.1理想風場實驗測試..................................23
    2.3.2真實風場實驗測試..................................24
    2.3.3風場資料敏感度測試................................25
    2.4個案模擬之模式設計................................27
    2.4.1潮寮毒氣事件個案模擬..............................27
    2.4.2煉油廠異味事件個案模擬與分析方法..................29
    2.4.3潮寮觀測模擬......................................30
    2.4.4燕巢火燒山模擬....................................32
    第三章、模擬結果........................................34
    3.1理想風場實驗測試結果..............................34
    3.2真實風場實驗測試結果..............................34
    3.3風場資料敏感度測試結果............................35
    3.3.1WS1:加入日本氣象廳之地面風場對第三版風場模式模擬台灣沿海網格風場模擬計算的影響..............................35
    3.3.2WS2:分析地面測站密集度對第三版風場模式網格風場模擬計算的影響................................................35
    3.4潮寮毒氣個案模擬結果..............................36
    3.4.1第一次事件(2008/12/01)............................36
    3.4.2第二次事件(2008/12/12)............................37
    3.4.3第三次事件(2008/12/25)............................38
    3.4.4第四次事件(2008/12/29)............................38
    3.5煉油廠異味事件風場分析以及模擬結果................40
    3.5.1風場分析結果......................................40
    3.5.2模式模擬結果......................................41
    3.6潮寮觀測模擬結果..................................41
    3.7燕巢火燒山模擬結果................................43
    第四章、討論與結論......................................44
    第五章、未來展望........................................47
    參考文獻..................................................48
    參考網頁..................................................52
    附表......................................................53
    附圖......................................................66
    附錄一、EPA、CWB-auto、CWB-sy以及Japan-data測站相關資訊..131
    附錄二、日本地面測站資料下載方法說明.....................140
    附錄三、網格風場模擬之ttgrid_vars.param參數檔內容以及之各項參數意義.................................................144
    附錄四、網格風場執行檔(go_wind)內各程式之功用............148
    附錄五、風場網格執行檔go_wind內容........................152
    附錄六、質點軌跡模擬之ttgrid_vars.param參數檔內容以及各項參數意義...................................................154
    附錄七、質點軌跡計算執行檔go_model內各程式之功用.........157
    附錄八、質點模擬執行檔go_model內容.......................161
    附錄九、質點模擬分析、繪圖參數檔(ttmodel_out.param)內容以及各項參數意義.............................................162
    附錄十、質點擴散模擬節果分析各程式說明...................163
    附錄十一、煉油廠提供民國97年以及民國98年附近居名陳情記錄.167
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    Advisor
  • Kuo-ying Wang(王國英)
  • Files
  • 976201021.pdf
  • approve in 2 years
    Date of Submission 2010-06-29

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