臺灣東北部坡地酸性硫酸鹽土壤空間分佈之研究

陳慧珊

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臺灣東北部坡地酸性硫酸鹽土壤空間分佈之研究

Spatial distribution of slopeland acid sulfate soils in northeastern Taiwan

陳慧珊 , Masters　　Advisor：林昭遠　　

繁體中文

煤礦棄石地；草生地；酸性硫酸鹽土壤； Mines tailings ； Grass land ； Acid Sulfate Soils

Abstract │ Reference (53) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

Generally, grasses are the pioneer plant in disturbed area and then successes to woody plants under subtropical and high humidity climate in northeastern Taiwan. However, Rui-Fang is a mining area with abandonment coal mine. Because the mining activity from 1895 to 1990, tailings of coal mine with high sulfides is vulnerable to oxidized to sulfuric acid and then cause Acid Sulfate Soils (ASS). Therefore, vegetation growth and succession will be disturbed by ASS so the distribution of ASS can be an important index for retarding vegetation succession.
In this study, the areas of grass land were delineated by imageries of SPOT and Google Earth. Furthermore, the reason of grass land distribution would be discussed with topographical factors (elevation, slope and aspect) and the distance from coal mines coupled with cluster and discrimination analysis. Finally, the verification of delineation results for ASS which is potential area of mines tailings was compared with field survey and environment geology map draught by Industrial Technology Research Institute.
The results showed that the overall accuracy of grass land reached 92.8%. The higher ratio of grass land in a subdivision has, the higher discrimination accurate it is. According to the study results, the grass land could be extracted by satellite images. The potential distribution of mines tailings would be delineated by environment indices such as topographical factors and the distance from coal mines coupled with statistical analysis in order to avoid secondary use of mines tailings.

Reference ( 53 ) 〈TOP〉

1. John R. Jensen (2005)，「Introductory digital image processing a remote sensing perspective」，陈晓玲、龚威、李平湘、田?乔译(2007)，「遥感数字影像处理导论」，机械工业出版社，北京，pp.71-76。
連結：
2. 工業技術研究院能源與資源研究所(繪製) (1989)，「環境地質圖」，臺北縣。
連結：
3. 尤姝媚(2009)，「應用多時序遙測影像於海岸濕地監測與評估」，國立成功大學衛星資訊暨地球環境研究所碩士學位論文。
連結：
4. 王逢君(2008)，「評估區域作為文化景觀的潛力－以金瓜石與水湳洞為例」，國立成功大學建築研究所碩士學位論文。
連結：
9. 林文賜、林昭遠、黃碧慧、周文杰(2006)，「集水區自動劃分模式建立之研究」，中華水土保持學報，37(4)：337-354。
連結：

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