行政院國家科學委員會專題研究計畫成果報告:鮭魚產卵礫石河床最佳沖淤水流之研究
Date Issued
2003
Date
2003
Author(s)
DOI
912313B002340
Abstract
A simulation approach to evaluating flushing flows and exploring the tradeoffs associated
with noninferior flushing options is presented. A two-fraction sediment routing model is used to
simulate the gravel-sand bed response to flushing flows. A series of numerical simulations are
carried out with a range of flows and pre-flushing bed sediment conditions. The results reveal that
the flushing efficiency is higher for the larger flow. However, for flows greater than ~100 m3/s the
flushing duration is less sensitive to the flow discharge, thus the system may be simplified as a
bi-objective one. The gravel loss and water volume are two conflicting outcomes within the
noninferior flow region. Under a worse bed sediment condition, the feasible flushing options are
constrained in a narrower range and also associated with higher costs. The tradeoffs between the
conflicting outcomes are quantitatively displayed with the transformed feasible solutions in the
objective space.
Subjects
模式模擬
沖淤水流
多目標系統
協商值
非劣勢方案
Publisher
臺北市：國立臺灣大學生物環境系統工程學系暨研究所
Type
report
File(s)![Thumbnail Image]()
Loading...
Name
912313B002340.pdf
Size
154.48 KB
Format
Adobe PDF
Checksum
(MD5):b823440503fddf3d4b989d9ffb038f09