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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 林立虹(Li-Hung Lin) | |
| dc.contributor.author | Hsin-No Kuo | en |
| dc.contributor.author | 郭欣諾 | zh_TW |
| dc.date.accessioned | 2022-11-23T09:03:05Z | - |
| dc.date.available | 2023-09-24 | |
| dc.date.available | 2022-11-23T09:03:05Z | - |
| dc.date.copyright | 2021-11-08 | |
| dc.date.issued | 2021 | |
| dc.date.submitted | 2021-09-27 | |
| dc.identifier.citation | 王奕傑 (2019) 卑南溪流域化學風化作用對二氧化碳收支的影響，國立臺灣大學海洋研究所碩士論文，共98頁。 何春蓀 (1986) 《台灣地質概論-台灣地質圖說明書》，經濟部中央地質調查所，共169頁。 柯建仲、顧承宇(2016) 臺灣南段山區地下水資源調查計畫－臺灣南段山區地下水位觀測與水力特性調查(3/4)，經濟部中央地質調查所。 陳文山 (2016) 《臺灣地質概論》。中華民國地質學會，共204頁。 陳沛壕(2017) 亞熱帶造山帶之化學風化及其控制因子，國立台灣大學地理環境資源學系碩士論文，共81頁。 張庭逢 (2016) 台灣北部地熱區低度變質岩之碳氮硫地球化學特徵，國立臺灣大學海洋研究所碩士論文，共56頁。 顏滄波、吳景祥、莊德永(1984) 台灣南部橫貫公路沿線之地質。經濟部中央地質調查所特刊，3號，11-23頁。 交通部水利署第八河川局。https://www.wra08.gov.tw/ 英文部分 Anderson, S. P., Dietrich, W. E. (2001). Chemical weathering and runoff chemistry in a steep headwater catchment. Hydrological Processes, 15(10), 1791-1815. Atangana, A. (2018). Chapter 2 - Principle of Groundwater Flow. In A. Atangana (Ed.), Fractional Operators with Constant and Variable Order with Application to Geo-Hydrology (pp. 15-47). Academic Press. https://doi.org/https://doi.org/10.1016/B978-0-12-809670-3.00002-3 Banfield, J. F., Eggleton, R. A. (1990). 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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/79536 | - |
| dc.description.abstract | 化學風化為岩石與水的交互作用，得以調節大氣二氧化碳含量。過去關於化學風化的研究主要聚焦於大河系統，透過量測河水的溶質濃度，建立流域尺度的化學風化速率，並探討氣候條件與岩性分布對風化速率的影響。除了近地表環境外，化學風化作用亦可能藉由地表水流經裂隙或破裂帶入滲，與地下岩石反應。然而透過河水反推的風化機制並無法解析風化作用進行的確實位置，更鮮有研究探討以變質岩為主之活動造山帶地下化學風化作用。 有鑑於此，本研究藉由大崙溪流域鑽取的岩心，探討於造山帶、片岩為主體的小河流域之地下化學風化作用。透過岩心產狀得知，由淺至深依序為地表至10公尺深的土壤與崩積層、10至60公尺區段屬黑色片岩夾雜多處厚度不等、破碎、未膠結、粒徑不一的岩屑構成的破碎帶、60公尺以下為緻密基岩，綠色或矽質片岩為主。元素分析顯示破碎帶的總有機碳含量高於基岩；總硫含量變異度較基岩大。淋溶實驗溶質分析顯示所有樣本最主要的陰離子成分都是SO42-，破碎帶樣本濃度範圍為0.6至21.2 μmol g-1，統計結果高於相鄰基岩產率（0.1至9.9 μmol g-1）。破碎帶與基岩的淋溶產生的陽離子組成有顯著差異，Ca2+與Na+分別為其主要陽離子，淋溶離子的莫耳比例差異與風化途徑緊密相關。由Ca2+/Na+ 和Mg2+/Na+ 的關係圖顯示，基岩產生的溶質多集中於矽酸鹽礦物風化的端成分，而破碎帶淋溶得到的溶質則介於矽酸鹽礦物與碳酸鹽礦物的端成分間；大崙溪流域的地下岩層風化產生的SO42-總通量估計為7.44×104至3.82×107 mol yr-1，單位面積最大輸出通量可高於平均世界大河流域1個數量級。綜合上述，本研究推測大崙溪地下的風化作用主要由黃鐵礦氧化產生的硫酸根所驅動，因廣泛分布於地層的破碎帶，增加礦物與地下水的反應面積，加速風化的進行，導致CO2的淨排放，並影響碳循環的收支。 | zh_TW |
| dc.description.provenance | Made available in DSpace on 2022-11-23T09:03:05Z (GMT). No. of bitstreams: 1 U0001-2409202100503400.pdf: 4052846 bytes, checksum: 5cd089bd6dbd23b49179e79bed7320be (MD5) Previous issue date: 2021 | en |
| dc.description.tableofcontents | 誌謝 ii 摘要 iii Abstract iv 目錄 v 圖目錄 vii 表目錄 ix 第一章、研究動機 1 1.1 影響碳循環收支之因素 1 1.2 化學風化對於地質碳循環之重要性 2 1.3調控化學風化作用之條件 5 1.4台灣高山小河流域化學風化重要特徵 10 1.5研究目標 12 第二章、研究地點與分析方法 15 2.1 研究區域概況 15 2.2 採樣方法 18 2.2.1未固結土壤、崩積層、破碎帶之樣本處理 18 2.2.2緻密基岩樣本處理 19 2.3 實驗分析方法 19 2.3.1 元素豐度分析 19 2.3.2 陰離子分析 20 2.3.3 陽離子分析 21 2.3.4 硫同位素組成分析 21 2.3.5 礦物相分析 22 第三章、研究結果 24 3.1岩心描述 24 3.2樣本間碳氫硫元素含量 28 3.3淋溶溶液陰、陽離子組成 36 3.4 硫同位素組成 45 3.5 XRD礦物相分析結果 45 第四章、討論 49 4.1 礦物與元素變化 50 4.1.1 元素豐度於樣本種類間的變化 50 4.1.2 礦物相變化 55 4.2 地下硫酸根可能來源 57 4.3 大崙流域岩心孔隙水風化特徵 60 4.3.1淋溶溶液離子變化趨勢 60 4.3.2 大崙井場主要無機酸種類與風化特性 67 4.4大崙地區的風化通量估算 73 第五章、結論 77 參考文獻 78 附錄 86 | |
| dc.language.iso | zh-TW | |
| dc.title | 大崙溪流域地下變質岩層破碎帶之化學風化作用 | zh_TW |
| dc.title | Chemical weathering in subsurface fractured metamorphic rocks in the Dalun river catchment | en |
| dc.date.schoolyear | 109-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 王珮玲(Hsin-Tsai Liu),邱永嘉(Chih-Yang Tseng),傅慶州 | |
| dc.subject.keyword | 大崙溪,風化作用,硫酸根,破碎帶,變質岩, | zh_TW |
| dc.subject.keyword | Dalun river,weathering,sulfate,fractured zone,metamorphic rock, | en |
| dc.relation.page | 86 | |
| dc.identifier.doi | 10.6342/NTU202103333 | |
| dc.rights.note | 同意授權(全球公開) | |
| dc.date.accepted | 2021-09-28 | |
| dc.contributor.author-college | 理學院 | zh_TW |
| dc.contributor.author-dept | 地質科學研究所 | zh_TW |
| dc.date.embargo-lift | 2023-09-24 | - |
| 顯示於系所單位： | 地質科學系 | |
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