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題 名 | 複合支流馬斯金更模式之建立=Muskingum Model with Multi-Tributaries |
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作 者 | 陳昶憲; 郭振泰; 王寧本; | 書刊名 | 中國土木水利工程學刊 |
卷 期 | 9:1 1997.03[民86.03] |
頁 次 | 頁187-192 |
分類號 | 443.42 |
關鍵詞 | 複合支流馬斯金更模式; 遺傳演算法; Multi-tributaries muskingum model; Genetic algorithm; |
語 文 | 中文(Chinese) |
中文摘要 | 本文以馬斯金更洪水演算模式為基礎,考慮河川上游各支流之河性不同,各支流之測站與下游控制點測站之距離亦各有差異,及其於質量守恆觀點,考慮簡化之河道非點源側流量等,推導出一複合支流馬斯金更模式;文中並建立遺傳演算法進行模式參數推估。在八掌溪颱洪事件之實際模擬裡,無論檢定與驗證,其效率係數可達0.98,體積誤差低於 2%,洪峰量誤差低於8%,洪峰到達時刻誤差在2小時以內,此說明該模式尚可掌握洪流傳輸之特徵。 |
英文摘要 | In this paper, a multi-tributaries Muskingum model is developed. The model is based on mass conservation law by including the lateral inflow in the basin. In addition, it accounts for the different characteristics of upstream tributaries and the distance from each gaging station of tributary to the downstream control point. A genetic algorithm is constructed to estimate the model parameters. In simulation of flood events on Pa-Chang Creek, the results of calibration and verification indicate that the coefficient of efficiency can be up to 0.98, and the error of flood volume is smaller than 0.02. The error of peak discharge is smaller than 0.08, and the error of peak time is within 2 hours. This shows that the characteristics of flood propagation can be represented by the model simulation. |
本系統中英文摘要資訊取自各篇刊載內容。