| 研究生: |
陳昱均 Yu-Chun Chen |
|---|---|
| 論文名稱: |
MODIS在生質燃燒監測之應用研究 |
| 指導教授: |
劉振榮
Gin-Rong Liu |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
地球科學學院 - 大氣物理研究所 Graduate Institute of Atmospheric Physics |
| 畢業學年度: | 93 |
| 語文別: | 中文 |
| 論文頁數: | 107 |
| 中文關鍵詞: | 生質燃燒 、中級解析度成像分光輻射計 、氣膠指數 |
| 外文關鍵詞: | biomass burning, aerosol index, MODIS |
| 相關次數: | 點閱:13 下載:0 |
| 分享至: |
| 查詢本校圖書館目錄 查詢臺灣博碩士論文知識加值系統 勘誤回報 |
摘 要
MODIS (Moderate Resolution Imaging Spectroradiometer) 光譜計主要是掛載在Terra以及Aqua兩顆衛星上,其觀測頻道涵蓋可見光、近紅外及紅外光等波段共36個頻道,並可提供250、500、及1000公尺地面解析的觀測資料,因此具有解析度較佳、頻道較多及觀測範圍寬廣等優點,非常適用於環境變遷監測之應用。
本研究主要的目的即為利用MODIS觀測資料來對生質燃燒所產生的煙塵進行定性與定量的分析。在定性方面,首先配合生質燃燒個案資料歸納出煙塵在MODIS觀測頻道的反射特性,再應用這些特性對生質燃燒個案進行偵測,結果大致與實際煙塵的分佈區域吻合。而定量方面,則嘗試利用DAI (Deep Blue aerosol index)計算煙塵的強度分佈,並進一步探討DAI與AOD之關係,建立其間之轉換式,將AOD之反演結果與地面Sun Photometer實測的AOD (aerosol optical depth)比較驗證,結果顯示具有極高的準確性,且誤差均較NASA AOD為小。此外,本研究所計算之AOD亦較現行NASA AOD所提供之範圍廣泛,尤其是在高反射率的地區。
本文所建立之DAI計算模式除了可以用在生質燃燒煙塵的偵測外,亦可應用於沙塵暴之偵測,對於台灣地區、中國大陸以及日本韓國沙塵暴災害的預警,將有很大的幫助。
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