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題 名 | 平地水筒模式應用於排水系統診斷之分析研究=Study on Field Drainage System Diagnosis with Diffusive Tank Model |
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作 者 | 陳榮松; 謝天元; | 書刊名 | 農業工程學報 |
卷 期 | 44:4 1998.12[民87.12] |
頁 次 | 頁52-61 |
分類號 | 434.2572 |
關鍵詞 | 逕流分析; 排水診斷; 平地水筒模式; Runoff analysis; Drainage diagnose; Diffusive tank model; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究之主要目的是利用平地水筒模式,進行田區排水渠道網流況之數值模擬, 並針對以合理式法推估容量之排水系統做一校驗及診斷工作。研究中選定西螺蔬菜專業區為 試驗對象,並利用試區內量得之實測水文及地文資料進行模式參數之率定。模擬後所得之模 式主要參數堰寬B值為0.75(m/ha);越流係數μ值為2.0。並將率定所得之參數代入模式中 ,針對試驗區之排水系統進行排水能力診斷檢討。結果發現,在10年頻率1日暴雨之設計 標準下、區域內蔬菜種植區皆不會淹水,水稻田區會淹水約45-80cm,延時約18-21小時。 |
英文摘要 | The purpose of this study is to simulate rainfall-runoff process of drainage system in paddy field, and diagnose the drainage capacity estimated by rational formula with Diffusive Tank Model. The study chose the Hsilo vegetable area as the experimental site and calibrated the model parameters by observed hydrologic data and characters of catchment. The results of simulations show that the parameters of vegetable area are B=0.75(m/ha)、μ=2.0. Then, the study evaluated the drainage capacity of study area with the Diffusive Tank Model based on the calibrated parameters. The results show that, under the 10 years return period, vegetable-planting area will not be flooded, while the paddy fields will be flooded about 45-80 cm with 18-21 hours. |
本系統中英文摘要資訊取自各篇刊載內容。