行政院國家科學委員會補助專題研究計畫成果報告:河川網路之信息熵分析及其於計劃集水區碎形推估上之應用
Date Issued
2001
Date
2001
Author(s)
王如意
DOI
892211E002143
Abstract
An approach by applying the fractal concept to
estimate hydrologic response is proposed in this study
by matching suitable self-similar networks (SSNs) to a
specific watershed and modeling the runoff with a
width-function based geomorphologic instantaneous
unit hydrograph (WF-GIUH). In order to work out the
identification between a specific basin and SSNs that
are generated by generators, a generalized width
function is derived. Subsequently, cumulative width
functions ( CWF) on the basis of the derived function,
as well as the informational entropies are used as
criteria to decide the best pattern of the generator for
the specific watershed. The WF-GIUH model is then
applied to calculate the runoff of the project watershed
as an outcome of the estimation. To assess the
adaptability of the estimation model, several
watersheds of northern and middle Taiwan are
selected as study areas. The analytical results of the
outflow estimation indicate that the fractal algorithm
can be implemented successfully for the calculation of
hydrologic responses.
Subjects
Fractal generator
Width function
Informational entropy
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
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