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| 題 名 | 未設測站之小型集水區水庫入流量推估--以虎頭埤水庫為例=Inflow Estimation of Ungauged Small Catchment Reservoir--A Case of Hu-Tou-Pei Reservoir |
|---|---|
| 作 者 | 許育榮; 葉一隆; | 書刊名 | 農業工程學報 |
| 卷 期 | 57:4 2011.12[民100.12] |
| 頁 次 | 頁26-36 |
| 分類號 | 443.96 |
| 關鍵詞 | 降雨量; 水庫進水量; 複迴歸分析; 灰色預測模式; 比誤差均方根; Precipitation; Water inflow of reservoir; Multiple regression analysis; Grey forecast model; Root of mean square ratio error; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 虎頭埤水庫位於台灣台南縣,為嘉南農田水利會所管理之水庫,其規模屬中型水庫,集水區面積為715公頃。本水庫之集水區無雨量站及進水量監測設備,為求得降雨量與進水量的關係,以作為防洪操作之依據。本文利用設於溢洪道之雨量站,並以水庫水位與溢洪道流量來計算水庫進水量。本文以降雨量為輸入,水庫進水量為輸出,利用2007年6月至2008年9月之13場降雨之時雨量,以複迴歸分析建立降雨量與水庫進水量關係,以此作為水庫進水量推估模型。並為建立水庫進水量預估模式,本文利用灰色預測模式推估降雨量,再以降雨量推估水庫進水量,其分析結果顯示此法可適於集水區較小之未設測站水庫進水量推估。 |
| 英文摘要 | Hu-Tou-Pei reservoir, located in Tainan County, Taiwan, is managed by the Chia-Nan Irrigation Association. The reservoir is of medium scale and the catchment area is 715 ha. Unfortunately, there is no precipitation station and the water intake monitoring gauge in the upstream reservoir catchment area. The relationship between the amount of reservoir water intake and the rainfall in the catchment area is determined using rainfall records from the spillway; the spillway discharge is used to calculate the water intake. In this study, the precipitation was used as the input variable and the water intake of the reservoir was used as the output variable. The hourly rainfall data from 13 precipitation events from June, 2007 to September, 2008 were used to establish the relationship between the rainfall amount and the reservoir water intake using a multiple regression method intended to establish the reservoir water inflow forecast model. This study used the grey forecast model to estimate the amount of rainfall. The results showed that the approaches were applicable to estimate a reservoir inflow with ungauged in a small catchment area. |
本系統中英文摘要資訊取自各篇刊載內容。