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Unit hydrograph and effective precipitation identification
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1995
(EN)
EKT historical period
Title
Unit hydrograph and effective precipitation identification (EN)
Creator
Obled, Ch (EN)
Rodriguez, JY (EN)
Nalbantisa, I (EN)
Description
A recently proposed method for calibrating lumped rainfall-runoff models, called FDTFERUHDIT, is analysed and evaluated on synthetic data. Based on the Unit Hydrograph concept this method performs a simultaneous identification of the excess rainfall series and the transfer function or unit hydrograph through an alternating iterative procedure without presuming any runoff production model or applying any arbitrary baseflow removal. A general evaluation framework was built to allow for generation of realistic data both error-free and contaminated with controlled errors. The problems of the method's convergence and sensitivity to errors in the data and the model structure assumed are tackled. A rather exhaustive series of tests involve also evaluations of the effects of a priori choices of optimisation algorithms and their parameters, as well as assessments of sampling effects. Combinations of these factors are also tested. Finally, useful guidelines for practical use of the new identification approach are derived. © 1995. (EN)
Type
journalArticle (EN)
Subject
Geosciences, Multidisciplinary (EN)
Hydrographs (EN)
effective precipitation (EN)
rainfall (EN)
Evaluation Framework (EN)
Transfer Function (EN)
unit hydrograph (EN)
Water Resources (EN)
model calibration (EN)
rainfall-runoff models (EN)
Identification (EN)
Calibration (EN)
Unit (EN)
Synthetic Data (EN)
rainfall/runoff model (EN)
Precipitation (EN)
Engineering, Civil (EN)
Runoff (EN)
Sampling Effect (EN)
Product Model (EN)
Unit Hydrograph (EN)
Modelling (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
Journal of Hydrology (EN)
Language
English
Issued
1995 (EN)
Identifier
http://hdl.handle.net/123456789/11712
ISI:A1995QY98900008 (EN)
168 (EN)
157 (EN)
0022-1694 (EN)
127 (EN)
1-4 (EN)
10.1016/0022-1694(94)02625-L (EN)
Publisher
ELSEVIER SCIENCE BV (EN)
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