本研究主要目的為分析高屏峽谷岩心沉積物中重金屬濃度分佈及累積的情形，並以富集因子(Enrichment factor, EF)及相關沉積物品質指標(Sediment Quality Guidelines, SQGs)來評估區域內受污染之情形，並藉以回溯重金屬之污染史、來源及污染程度。
研究結果指出，高屏峽谷岩心沉積物中，銅金屬與鎘金屬並未有污染現象；鋅金屬與鉛金屬已達輕中度污染程度，超逾安大略省Low-SLG值及NOAA的ERL值，鉛金屬甚至高過台灣其他文獻中海域測定濃度值；鉻金屬雖為輕度污染，但其濃度已超逾加拿大安大略省Low-SLG值、Severe-SLG值及美國NOAA的ERL值，屬應特別注意之金屬種類。
南、北陸棚污染分析方面，北陸棚的岩心重金屬濃度有逐漸上升的趨勢，但是在表層混合層的濃度卻有明顯下降的趨勢；南陸棚沉積物重金屬濃度則是隨時間變化較明顯。

The main purpose of this research was to analyze the distribution and accumulation of metals in sediment cores of Gao-ping Canyon nearby areas. Enrichment factor (EF) and Sediment Quality Guidelines (SQGs) were also used to assess the pollution history, sources and extent of heavy metal pollution.
The results revealed that copper and cadmium metal concentrations have not been contaminated significantly; while zinc and lead concentrations reached moderate degree of pollution, which exceeded guidelines of Low-SLG in Ontario and ERL in NOAA. The concentration of lead was higher than most found in Taiwan. Although chromium was found mild polluted, but attention should still be paid as those concentrations exceeded the values of Low-SLG、Severe-SLG and ERL.
Comparing results from cores in Southern and Northern shelves of Gao-ping Canyon, the trend of heavy metal concentrations in Northern shelf rose gradually but had an apparent downward trend in surface mixed layer; while distinct variation with time was observed in Southern shelf.

第一章 前言................................................................................................................... 7
1-1、研究動機....................................................................................................... 7
1-2、研究區域背景資料.................................................................................... 8
1-3、研究目的..................................................................................................... 11
第二章 文獻回顧........................................................................................................ 12
2-1、重金屬來源與特性.................................................................................. 12
2-2、重金屬管制標準....................................................................................... 16
2-3、沉積物品質指標(Sediment Quality Guidelines, SQGs） ............ 17
2-4、富集因子..................................................................................................... 18
2-5、岩心重金屬分析相關研究.................................................................... 18
第三章 實驗材料與研究方法................................................................................ 21
3-1、採樣時間及地點....................................................................................... 21
3-2、重金屬的分析方法.................................................................................. 23
3-3、品質管制..................................................................................................... 26
第四章 結果與討論................................................................................................... 28
4-1、重金屬濃度隨深度之變化趨勢........................................................... 28
4-2、各岩心重金屬富集因子隨深度之變化趨勢.................................... 39
4-3、重金屬濃度與總有機碳(TOC)及粒徑之相關性分析................... 44
4-4、重金屬之污染史探討.............................................................................. 48
4-5、國內外文獻比較....................................................................................... 51
第五章 結論與建議................................................................................................... 54
5-1、結論.............................................................................................................. 54
5-2、建議.............................................................................................................. 55
參考文獻........................................................................................................................ 56
附錄................................................................................................................................ 60

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