A review of the synthetic unit hydrograph: from the empirical UH to advanced geomorphological methods

This review paper critically examines one of the most popular flood hydrograph modelling techniques for ungauged basins, the synthetic unit hydrograph (SUH), and its recent developments and advances. For this purpose, the SUH models were first grouped into four main classes, as follows: (a) traditio...

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Bibliographic Details
Published in:Hydrological sciences journal 2014-02, Vol.59 (2), p.239-261
Main Authors: Singh, P.K., Mishra, S.K., Jain, M.K.
Format: Article
Language:English
Subjects:
bassins versants non jaugés
distribution function
flood hydrograph
GIUH
hydrogramme de crue
la fonction de distribution
Predictions in Ungauged Basins (PUB)
prévision dans les bassins non jaugés (PUB)
SUH
ungauged catchments
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Summary:This review paper critically examines one of the most popular flood hydrograph modelling techniques for ungauged basins, the synthetic unit hydrograph (SUH), and its recent developments and advances. For this purpose, the SUH models were first grouped into four main classes, as follows: (a) traditional or empirical models; (b) conceptual models; (c) probabilistic models; and (d) geomorphological models. It was found that the geomorphological class is the most useful and interesting, since it is able to employ topographic information, so limiting the role of the calibration parameters. This review is expected to be helpful to hydrologists, water managers and decision-makers searching for models to study the flood hydrograph, modelling techniques and related processes in ungauged basins. It was completed as the International Association of Hydrological Sciences (IAHS) Decade (2003-2012) on predictions in ungauged basins (PUB), drew to a close. Editor D. Koutsoyiannis; Associate editor S. Grimaldi Citation Singh, P.K., Mishra, S.K., and Jain, M.K., 2013. A review of the Synthetic Unit Hydrograph: from the empirical UH to advanced geomorphological methods. Hydrological Sciences Journal, 59 (2), 239-261.
ISSN:0262-6667
2150-3435
DOI:10.1080/02626667.2013.870664