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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 許少瑜 | zh_TW |
| dc.contributor.advisor | Shao-Yiu Hsu | en |
| dc.contributor.author | 張詠青 | zh_TW |
| dc.contributor.author | Yung-Ching Chang | en |
| dc.date.accessioned | 2026-02-04T16:18:30Z | - |
| dc.date.available | 2026-02-05 | - |
| dc.date.copyright | 2026-02-04 | - |
| dc.date.issued | 2025 | - |
| dc.date.submitted | 2026-01-28 | - |
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(2022, 2022/8/20). 公告坪林乾旱救助 市府加碼補助肥料. https://www.ntpc.gov.tw/ch/home.jsp?id=28&dataserno=202208200001 蔡義誌. (2008). 不飽和土壤水力傳導度與介質孔隙分佈關係之研究 國立中興大學]. https://hdl.handle.net/11296/r9wbgd 環境部環境管理署土壤及地下水污染整治網 土水辭典查詢. (2025, 2025.11.06). 環境部環境管理署土壤及地下水污染整治基金管理會. Retrieved 2025.11.06 from https://sgw.moenv.gov.tw/Public/result/dictionary?command=C10 | - |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/101503 | - |
| dc.description.abstract | 氣候變遷導致極端乾旱事件頻率與強度上升，坪林茶園仰賴天然降雨補給田間水分，了解茶園水文收支平衡，為提升茶園面對氣候風險韌性的關鍵。本研究目標為量化有機（ORG）與慣行（CONV）栽培對茶園水文收支的影響。以蒸發散通量與多層土壤含水量的觀測數據，搭配對應的水文模式模擬茶園水文收支平衡。模式除了包含蒸發散與降雨逕流歷程外，特別加入降雨截留模組模擬冠層差異對於水文收支的影響。模式參數除了來自現地土壤的物理分析外，進一步採用Optuna進行參數最佳化。土壤分析結果發現，有機茶園土壤具有較低的總體密度與顯著更高的土壤有效水分（AWC）以及有機質含量；相較於CONV茶園，模式模擬結果顯示ORG茶園較高的蒸發散量主要由其較高的樹冠截留量與非飽和層的根系吸收量所提供。二氧化碳收支方面，有機茶園白天 CO2 淨吸收量顯著優於慣行茶園，除了與其擁有較高的LAI值（Leaf Area Index）因而具備較大的二氧化碳吸收能力之外，推測也與其擁有顯著較低的平均VPD，且與在冬季出現溫度與相對濕度（T/RH）的遲滯現象（相位滯後約 1 小時）有關。本研究使用 CCM方法分析各參數間之因果關係， ORG 的蒸發散主要與中、深層土壤水連結，二氧化碳通量受土壤含水量驅動的影響較慣行茶園弱，映證其茶樹高效的水分利用效率，以及其二氧化碳通量有更高比例來自植被光合作用與呼吸作用，而非受土壤層支配。總體而言，有機栽培使茶園擁有更良好的土壤結構和冠層特性，使其在水分流失與動態補充之間達到有效的平衡，同時提升了微氣候調節能力與碳匯潛力，為氣候變遷下茶園的永續農法實踐提供了關鍵的科學依據。 | zh_TW |
| dc.description.abstract | Climate change has led to an increase in the frequency and intensity of extreme drought events. Since Pinglin tea plantations rely on natural rainfall for water supply, understanding their hydrological balance is key to enhancing resilience against climate risks. This study aims to quantify the impacts of organic (ORG) and conventional (CONV) cultivation on the water balance of tea plantations. Observational data of evapotranspiration fluxes and multi-layer soil water content were integrated with the hydrological model to simulate the water balance. In addition to evapotranspiration and rainfall-runoff processes, the model incorporates a rainfall interception module to simulate the effects of canopy differences on the hydrological balance. Model parameters were derived from in-situ soil physical analyses and further optimized using Optuna.
Soil analysis results indicated that soils in the organic tea plantation had lower bulk density and significantly higher available water content (AWC) and organic matter content. Compared to the CONV plantation, model simulations showed that the higher evapotranspiration in ORG was primarily contributed by its greater canopy interception and root uptake from the unsaturated zone. regarding the carbon dioxide balance, the organic plantation exhibited significantly superior net CO2 uptake during the daytime compared to the conventional plantation. This is attributed not only to its higher Leaf Area Index (LAI), which provides greater CO2 absorption ability, but also likely to its significantly lower average Vapor Pressure Deficit (VPD) and the occurrence of a temperature-relative humidity (T/RH) hysteresis phenomenon during winter, with a phase lag of approximately 1 hour. Using Convergent Cross Mapping (CCM) to analyze the causal relationships among parameters, this study found that evapotranspiration in ORG was mainly linked to soil water in the middle and deep layers. The influence of soil water content on CO2 fluxes was weaker in ORG than in CONV, confirming the high water use efficiency of the organic tea trees and indicating that CO2 fluxes were driven more by vegetation photosynthesis and respiration than by the soil layer respiration. Overall, organic cultivation resulted in superior soil structure and canopy characteristics, achieving an effective balance between water loss and dynamic replenishment. It also enhanced microclimate regulation and carbon sequestration potential, providing a critical scientific basis for sustainable farming practices in tea plantations under climate change. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2026-02-04T16:18:30Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2026-02-04T16:18:30Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | 誌謝 i
中文摘要 ii ABSTRACT iii 目次 v 圖次 viii 表次 xiii 第 1 章、 緒論 1 1.1 研究背景及動機 1 1.2 文獻回顧 3 1.2.1 有機農業 3 1.2.2 坪林茶園研究回顧 3 1.2.3 土壤含水量與二氧化碳通量 4 1.3 研究目的 5 1.4 研究架構與流程 6 第 2 章、 研究材料與資料取得 9 2.1 研究場域介紹 9 2.2 感測儀器與現地數據 12 2.2.1 通量塔資料 12 2.2.2 土壤水分與溫度 14 2.2.3 葉片面積指數測量資料 15 2.2.4 雨量資料 16 2.3 土壤粒徑分析 17 2.3.1 篩分析法實驗步驟 18 2.3.2 PARIO 儀器簡介 19 2.3.3 PARIO 試驗流程 20 2.4 土壤水分特性曲線 22 2.4.1 壓力鍋實驗系統實驗方法 22 2.4.2 土壤水分特性曲線模式：Van Genuchten (1980) 24 2.5 土壤化學性質分析 25 第 3 章、 研究方法與原理 26 3.1 水文收支 26 3.1.1 水文模式物理基礎 26 3.1.2 加入樹冠截留模式 30 3.1.3 參數最佳化工具：Optuna 31 3.1.4 最佳化參數 32 3.2 收斂交叉映射之原理 34 3.2.1 CCM 應用於生態研究至水文學 35 3.2.2 本研究於茶園數據運算流程 37 3.3 T/RH 遲滯現象 40 第 4 章、 研究結果與討論 42 4.1 有機與慣行茶園土壤參數實驗結果 42 4.1.1 土壤粒徑分析結果 42 4.1.2 土壤質地分析結果 43 4.1.3 保水曲線 44 4.1.4 土壤化學性質之比較與討論 48 4.2 現地量測數據分析 50 4.2.1 蒸發散量 50 4.2.2 土壤含水量與降雨資料 51 4.2.3 土壤含水量與土壤溫度 52 4.2.4 二氧化碳通量 55 4.3 水文模式模擬結果 58 4.3.1 未加入截留之水文模式最佳化參數結果與誤差 58 4.3.2 加入截留之水文模式最佳化參數結果與誤差 61 4.3.3 模式敏感度分析 67 4.3.4 CN值 69 4.3.5 地表逕流與入滲量 71 4.3.6 蒸發散量之分配 72 4.3.7 截留與莖流量 73 4.3.8 非飽和層水分吸收與滲漏量 74 4.3.9 模式中增加降雨量 75 4.3.10 水平衡模式小結 75 4.4 CCM分析結果 76 4.4.1 外部驅動：降雨與土壤含水量 77 4.4.2 內部水文動態：各土層土壤含水量之交互關係 78 4.4.3 土壤含水量與微氣候因子（溫度、蒸發散、相對濕度） 79 4.4.4 土壤含水量對二氧化碳通量之驅動 82 4.4.5 土壤溫度與二氧化碳通量 83 4.4.6 小結 86 4.5 T/RH 日週期循環與水汽壓差 87 4.5.1 T/RH 遲滯現象比較 87 4.5.2 T/RH 遲滯差異討論 88 4.6 整體乾旱調適能力比較 93 第 5 章、 結論與建議 94 5.1 結論 94 5.2 建議與未來研究方向 95 參考文獻 96 | - |
| dc.language.iso | zh_TW | - |
| dc.subject | 茶園 | - |
| dc.subject | 有機與慣行 | - |
| dc.subject | 水文收支 | - |
| dc.subject | 二氧化碳通量 | - |
| dc.subject | 收斂交叉映射 | - |
| dc.subject | tea plantation | - |
| dc.subject | organic and conventional cultivation | - |
| dc.subject | water balance | - |
| dc.subject | CO₂ flux | - |
| dc.subject | Convergent Cross Mapping | - |
| dc.title | 有機栽培對茶園水文收支與通量的影響 | zh_TW |
| dc.title | Impacts of Organic Cultivation on the Water Balance and Fluxes of Tea Plantations | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 114-1 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 江莉琦;莊振義;王祥恒 | zh_TW |
| dc.contributor.oralexamcommittee | Li-Chi Chiang;Jehn-Yih Juang;Siang-Heng Wang | en |
| dc.subject.keyword | 茶園,有機與慣行水文收支二氧化碳通量收斂交叉映射 | zh_TW |
| dc.subject.keyword | tea plantation,organic and conventional cultivationwater balanceCO₂ fluxConvergent Cross Mapping | en |
| dc.relation.page | 102 | - |
| dc.identifier.doi | 10.6342/NTU202504793 | - |
| dc.rights.note | 同意授權(限校園內公開) | - |
| dc.date.accepted | 2026-01-29 | - |
| dc.contributor.author-college | 生物資源暨農學院 | - |
| dc.contributor.author-dept | 生物環境系統工程學系 | - |
| dc.date.embargo-lift | 2030-12-15 | - |
| 顯示於系所單位： | 生物環境系統工程學系 | |
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| ntu-114-1.pdf 未授權公開取用 | 10.32 MB | Adobe PDF | 檢視/開啟 |
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