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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 譚義績(Yih-Chi Tan) | |
| dc.contributor.author | Chun-Chieh Huang | en |
| dc.contributor.author | 黃俊傑 | zh_TW |
| dc.date.accessioned | 2021-06-15T01:13:38Z | - |
| dc.date.available | 2010-08-19 | |
| dc.date.copyright | 2009-08-19 | |
| dc.date.issued | 2009 | |
| dc.date.submitted | 2009-07-29 | |
| dc.identifier.citation | 1. Basin, Montana. II. Aquifer test analysis, Journal of Hydrology, 308, 242-257.
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Papadopulos IS. 1965, Nonsteady flow to a well in an infinite anisotropic aquifer.Proceedings of Dubrovnik Symposium on the Hydrology of Fractured Rocks,International Association of Scientific Hydrology, Dubrovnik, Yugoslavia; 21–31. 20. Rhode, K.L., Osiensky, J.L., Miller, S.M., 2007, Numerical evaluation of volumetric weighted mean transmissivity estimates in laterally heterogeneous aquifers, Journal of Hydrology, 347,381-390. 21. Sánchez-Vila, X., P. M. Meier, and J. Carrera, 1999, Pumping test in heterogeneous aquifers: an analytical study of what can be obtained from their interpretation using Jacob’s method, Water Resources Research, 35(4), 943-952 . 22. Streltsova TD (1988) Well testing in heterogeneous formations. Wiley, New York 23. Sun N Z and Yeh W W-G 1985, Identification of parameter structure in groundwater inverse problems, Water Resources Research, 21, 869-83. 24. 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Assoc., Middleburg, Va. 40. Yu, H. L., and Christakos, G., 2006, Porous media upscaling in terms of mathematical epistemic cognition, Siam Journal on Applied Mathematics, 66(2), 433-446. 41. Zheng, C., Wang, P., 1996, Parameter Structure Identification Using Tabu Search and Simulated Annealing, Advances in Water Resources, Vol. 19, No. 4, 215-224. 42. Zheng C, Wang P. 1999, An integrated global and local optimization approach forremediation system design. Water Resource Research 35(1): 137–148 | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/42429 | - |
| dc.description.abstract | 抽水試驗是現地實驗中推估水文地質參數相當常見的方法。已有許多研究探討及推估均質等向性含水層中之水文參數，但僅有少部分研究著重在非等向異質性含水層中之水文特性。
實際上，地下含水層參數均為異質性，但卻利用均質且等向的方式『有效參數』來描述異質含水層參數。本研究主要探討在抽水試驗中，由觀測水位資訊，來推估非等向性含水層之有效參數。因此本研究利用VSAFT2模式產生異質性含水層之場址，進行抽水試驗模擬，利用下述方法推估非等向性有效參數並加以比較：(1)Papadopulos解析解－曲線法(2)權重平均(3)達西定律及(4)洩降空間矩分析。由結果得知，利用Papadopulos解析解推估參數，長時間的抽水試驗分析所得的流通係數是代表在抽水井有效半徑內所有流通係數的某種平均值；此平均值與抽水井和觀測井附近的地下水參數數值有很大的關係，而且可能受到有效半徑內地質異質性的影響。利用權重幾何平均的方式對異質性地層做參數推估比較，權重算術平均的方式會有較好的代表性。利用達西定律得到的非等向性情況下之水文地質參數與利用Papadopulos解析解方法求出之非等向性情況下水文地質參數有很大的差異。應用修正空間洩降矩分析推估在任意時間內隨機場中之有效參數，如有效流通係數張量或有效儲水係數。 | zh_TW |
| dc.description.abstract | Pumping test is the most common way to estimate hydro-geological parameters in the field experiment. There are a lot of investigations to estimate hydraulic parameters of homogenous aquifer, but merely fewer researches focus on the hydro-geological characteristics of the anisotropic and heterogeneous aquifer.
Actually, the hydro-geological parameters of aquifer are heterogeneous in the field, but many people use the effective parameters which are anisotropic and homogeneous in heterogeneous aquifers to describe the parameters of heterogeneous aquifer. In this paper, we will use the groundwater level observed from pumping test to estimate the effective parameters of the anisotropic aquifer. At first, we use the numerical model, VSAFT2, to generate a heterogeneous study aquifer. And then, we proceed the pumping test on this study area. Finally, we use the four methods, Papadopulos analytical solution, weighting average, Darcy’s law and spatial moment analysis, to indentify the anisotropic effective parameters and analyze the results. Results show that the effective transmissivities identified by the Papadopulos analytical solution represent an averaged value of all transmissivities within the effective cone of depression. This value is strongly related to the hydro-geological parameters near the pumping well and observation well, and the hydro-geological heterogeneity within the effective cone of depression. The optimums of heterogeneous aquifer by the geometric weighted mean method are better than ones by the arithmetic weighted mean method. The hydro-geological parameters of anisotropic aquifer estimated by Darcy’s law are very different to ones by Papadopulos analytical solutions. It is successful to apply spatial moment analysis to estimate the effective parameters, such as the effective transmissivity coefficient tensor or effective storage coefficient in any duration for any data from the curve of drawdown versus time. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-15T01:13:38Z (GMT). No. of bitstreams: 1 ntu-98-R96622021-1.pdf: 6401232 bytes, checksum: 5565c1fa8abc764354650ecd4040d497 (MD5) Previous issue date: 2009 | en |
| dc.description.tableofcontents | 目錄
口試委員會審定書 謝誌 摘要…………………………………………………………………….....I Abstract…………………………………………………………...…….. II 目錄………………………………………………………...……...........IV 圖目錄……………………………………………………………..........VI 表目錄………………………………………………………………….VII 第一章 緒論 1 1.1 研究動機 1 1.2 研究目的 2 1.3 研究方法 3 1.4 研究流程 4 1.5 論文架構 5 第二章 文獻回顧 6 2.1 有效地下水文參數推估 6 2.2 異質含水層 8 第三章 異質性含水層有效參數推估之理論分析 11 3.1 Papadopulos抽水試驗及解析解 11 3.2 數值模式－有限差分法 20 3.3 洩降分佈的空間矩分析 26 第四章 數值模式建立與模擬結果分析 34 4.1 模擬場址設計與結果 34 4.1.1 模式一 場址網格變化 34 4.1.2 模式二 觀測井之數量變化 41 4.2 權重法 46 4.2.1 算數權重平均流通係數 46 4.2.2 幾何權重平均流通係數 49 4.3 Darcy定律探討有效參數 55 4.4 空間矩分析模擬模式驗證 62 4.5 Relative Root Mean-Squared Error(RRMSE) 64 第五章結論與建議 67 5.1 研究結論 67 5.2 研究建議 68 參考文獻 69 圖目錄 圖1.4.1 研究流程圖 4 圖3-1 Theis曲線法觀測資料與井函數對圖關係示意圖 19 圖3-2 (左圖)均勻網格建置模式無法精確描述邊界情況，導致求解之精確性降低。(右圖)非均勻網格建置模式，以致求解精確性提高。 20 圖3-3 有限控制體示意圖 21 圖3-4 隱性法求解示意圖 23 圖3-5 地下水模式主矩陣之九帶寬矩陣示意圖 25 圖4.1.1 流通係數Txx值隨機分布 35 圖4.1.2 流通係數Tyy值隨機分布 36 圖4.1.3儲水係數S值隨機分布 37 圖4.1.4 場址分割圖 38 圖4.1.5 Theis曲線法觀測資料與井函數對圖關係示意圖 39 圖4.1.6 Papadopulos方法所求出之水文地質參數值 40 圖4.1.7 流通係數Txx值隨機分布 41 圖4.1.8 流通係數Tyy值隨機分布 42 圖4.1.9 儲水係數S值隨機分布 42 圖4.1.10 六口觀測井之分布位置圖 44 圖4.2.1 Txx權重算術平均－時間對數圖 47 圖4.2.2 Tyy權重算術平均－時間對數圖 48 圖4.2.3 Txx權重幾何平均－時間對數圖 49 圖4.2.4 Tyy權重幾何平均－時間對數圖 50 圖4.2.5 利用權重幾何平均求出之洩降與三口觀測井求出之洩降之RRMSE 51 圖4.2.6 利用權重算術平均求出之洩降與三口觀測井求出之洩降之RRMSE 52 圖4.2.7 利用權重幾何平均求出之洩降與全區域每個網格求出之洩降之RRMSE 53 圖4.2.8 利用權重算術平均求出之洩降與全區域每個網格求出之洩降之RRMSE 54 圖4.3.1 區域邊界水頭設定圖 56 圖4.3.2 比較利用Darcy公式與Papadopulos解析解所求出之Txx 57 圖4.3.3 比較利用Darcy公式與Papadopulos解析解所求出之Tyy 58 圖4.3.4 比較利用Darcy公式與Papadopulos解析解所求出之Txy 59 圖4.3.5 異質情況與均質情況流速Vxx比較圖 60 圖4.3.6異質情況與均質情況流速Vyy比較圖 61 圖4.4.1 洩降矩求出之水文地質參數圖 63 圖4.5.1 各種方式求出水文地質參數代入求出其洩降之RRMSE 65 表目錄 表4.1.1 VSAFT2相關參數設定值 35 表4.1.2 九個區域之水文地質參數表 39 表4.1.3 任取三口觀測井之洩降值求解得到水文地質參數值 45 表4.3.1 Darcy公式所求出九區域之水文地質參數 57 表4.3.2 異質情況所求出之流速 60 表4.3.3 異質情況所求出之流速 60 表4.4.1 利用洩降矩求出之水文地質參數 63 表4.5.1 利用type-curve對圖法求出洩降之RRMSE表 64 表4.5.2 利用權重算術平均求出洩降之RRMSE表 64 表4.5.3 利用權重幾何平均求出洩降之RRMSE表 64 表4.5.4 利用算術平均求出洩降之RRMSE表 65 表4.5.5 利用幾何平均求出洩降之RRMSE表 65 | |
| dc.language.iso | zh-TW | |
| dc.subject | 流通係數張量式 | zh_TW |
| dc.subject | 非等向異質性含水層 | zh_TW |
| dc.subject | 有效參數 | zh_TW |
| dc.subject | VSAFT2 | zh_TW |
| dc.subject | 空間矩分析 | zh_TW |
| dc.subject | VSAFT2 | en |
| dc.subject | anisotropic aquifer | en |
| dc.subject | transmissivity coefficient tensor. | en |
| dc.subject | spatial moment analysis | en |
| dc.subject | effective parameter | en |
| dc.title | 異質性含水層中水文地質參數之有效推估 | zh_TW |
| dc.title | Estimated effective parameters for an anisotropic aquifer | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 97-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.coadvisor | 陳主惠(Chu-Hui Chen) | |
| dc.contributor.oralexamcommittee | 陳建謀(Jiann-Mou Chen),余化龍(Hwa-Lung Yu) | |
| dc.subject.keyword | 非等向異質性含水層,有效參數,VSAFT2,空間矩分析,流通係數張量式, | zh_TW |
| dc.subject.keyword | anisotropic aquifer,effective parameter,VSAFT2,spatial moment analysis,transmissivity coefficient tensor., | en |
| dc.relation.page | 72 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2009-07-29 | |
| dc.contributor.author-college | 生物資源暨農學院 | zh_TW |
| dc.contributor.author-dept | 生物環境系統工程學研究所 | zh_TW |
| 顯示於系所單位： | 生物環境系統工程學系 | |
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