The Hydraulics of Open Channel Flow: an Introduction UPDATES
The Hydraulics of Open Channel Flow : An Introduction.
Butterworth-Heinemann, Oxford, UK, 2nd Edition (2004) (ISBN 978 0 7506 5978 9). [Order Form {Download PDF file}]

Second Edition
"One cannot miss the tremendous enthusiasm the author has for hydraulic engineering."
Professor N. RAJARATNAM, University of Alberta in Canadian Journal of Civil Engineering, 2005 {Read Full Review}
First Edition
"Without a doubt, this is the best introduction to the hydraulics of open channel flow that I have yet to read."
Professor S.N. LANE, University of Leeds in Environmental Conservation, 2001 {Read Full Review}


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Chinese Edition published by Hydrology Bureau of Yellow River Conservancy Committee, March 2003 (ISBN 7-80621-529-8).
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Corrections / Errata
Internet resources
Hubert Chanson's Homepage
Hubert Chanson's Reprints of research papers
Internet Resources in Hydraulic Engineering


Page 40
Solution, 12th line: For the discharge, the scaling ratio is: Qmodel = Qprototype/25^(5/2).

Environmental hydraulics of open channel flowPage 96
Most efficient cross-sectional shape: Optimum width B = 4/sqrt(3) * d  (Trapezoidal).
Pages 236-238
12.5.3 Application No. 2: corrected numerical results.
Page 276
Equation (15.2) : the first equality should be : Sf  = to/(r g DH/4) .
Page 285
Last line: The definition of the total head includes a '=' instead of a '+' sign. The correct definition is:
    Total head: H = zo + d cos(Teta) + Alpha V^2/(2 g)
Page 348
Figure 17.14 Sketch of dam break wave in a dry horizontal channel. New corrected figure.

Page 350
Equation (17.35b) must be corrected. On the right handside, the bracket should be:  (1 - 1/2... )^2 [instead of (1 - 3/2... )^2].

Page 352
Equation (17.41) and definition of X. The square root sign must be corrected in the definition of X. New corrected expression.

Page 407
Equation (19.10): the correct equation is : d/s  =  0.0212 (sina)-0.11  (s/(h cosa))-0.10
Equation (19.11): the correct equation is : d/s  =  0.0301 (sina)-0.11  (s/(h cosa))-0.17

Pages 486-487
Equation (A4.5): the correct equation is : d/s  =  0.0212 (sina)-0.11  (s/(h cosa))-0.10 where d is the boundary layer thickness
Equation (A4.6): the correct equation is :
d/s  =  0.0301 (sina)-0.11  (s/(h cosa))-0.17


Critical flow conditons and Spillway crest design (pp. 31-33, 395-405 & 433-436)
    Bibliographic reference
    CHANSON, H. (2006). "Minimum Specific Energy and Critical Flow Conditions in Open Channels." Journal of Irrigation and Drainage Engineering., ASCE, Vol. 132, No. 5, pp. 498-502 (doi:10.1061/(ASCE)0733-9437(2006)132:5(498)) (ISSN 0733-9437). (PDF file) (PDF file at UQeSpace). Closure: Journal of Irrigation and Drainage Engineering, ASCE, Vol. 134, No. 6, pp. 883-887 (DOI: 10.1061/(ASCE)0733-9437(2008)134:6(883)) (ISSN 0733-9437). (PDF file at UQeSpace).

    CASTRO-ORGAZ, O, and CHANSON, H. (2011). "Near-Critical Free-Surface Flows: Real Fluid Flow Analysis." Environmental Fluid Mechanics, Vol. 11, No. 5, pp. 499-516 (DOI: 10.1007/s10652-010-9192-x) (ISSN 1567-7419 [Print] 1573-1510 [Online]). (Record at UQeSpace) (PDF file)

Application of the momentum equation to hydraulic jumps and bores (pp. 50-68 & 329-335)
    Bibliographic reference
    CHANSON, H. (2012). "Momentum Considerations in Hydraulic Jumps and Bores." Journal of Irrigation and Drainage Engineering, ASCE, Vol. 138, No. 4, pp. 382-385 (DOI 10.1061/(ASCE)IR.1943-4774.0000409) (ISSN 0733-9437). (Postprint at UQeSpace) (PDF file)

Failures caused by sediment-transport processes (pp. 144-149)
    Bibliographic reference
    CHANSON, H. (2012). "Reservoir Sedimentation in Australia under Extreme Conditions." in "Encyclopedia of Lakes and Reservoirs", Springer, Encyclopedia of Earth Sciences Series, L. BENGTSSON, R.W. HERSCHY and R.W. FAIRBRIDGE Editors, pp. 649-656 (DOI: 10.1007/978-1-4020-4410-6) (ISBN 978-1 4020 5616 1). (PDF file) (Record at UQeSpace)

Positive surges and tidal bores (pp. 64-68 & 328-335)
    Bibliographic reference
    CHANSON, H. (2011). "Tidal Bores, Aegir, Eagre, Mascaret, Pororoca: Theory and Observations." World Scientific, Singapore, 220 pages (ISBN 9789814335416). (Table of Contents at UQeSpace)

    CHANSON, H. (2012). "Momentum Considerations in Hydraulic Jumps and Bores." Journal of Irrigation and Drainage Engineering, ASCE, Vol. 138, No. 4, pp. 382-385 (DOI 10.1061/(ASCE)IR.1943-4774.0000409) (ISSN 0733-9437). (Postprint at UQeSpace) (PDF file)

Dam break wave on dry channel - Effects of flow resistance (pp. 357-359)
New analytical developments with explicit solutions
CHANSON, H. (2005). "Applications of the Saint-Venant Equations and Method of Characteristics to the Dam Break Wave Problem." Report No. CH55/05, Dept. of Civil Engineering, The University of Queensland, Brisbane, Australia, May, 135 pages (ISBN 1864997966). (PDF file at UQeSpace)
CHANSON, H. (2006). "Analytical Solutions of Laminar and Turbulent Dam Break Wave." Proc. International Conference on Fluvial Hydraulics River Flow 2006, Lisbon, Portugal, 6-8 Sept., Topic A3, R.M.L. FERREIRA, E.C.T.L. ALVES, J.G.A.B. LEAL, and A.H. CARDOSO Eds., Balkema Publ., Taylor & Francis Group, London, Vol. 1, pp. 465-474 (ISBN 0 415 40815 6). (PDF file at UQeSpace)
CHANSON, H. (2009). "Application of the Method of Characteristics to the Dam Break Wave Problem." Journal of Hydraulic Research, IAHR, Vol. 47, No. 1, pp. 41-49 (DOI: 10.3826/jhr.2009.2865) (ISSN 0022-1686). (PDF file at UQeSpace)

Minimum Energy Loss culvert design (pp. 454-471)
    Bibliographic references
    APELT, C.J. (1983). Hydraulics of Minimum Energy Culverts and Bridge Waterways, Australian Civil Engrg Trans., I.E.Aust., Vol. CE25, No. 2, pp. 89-95. (PDF file at UQeSpace)

    CHANSON, H. (2007). "Hydraulic Performances of Minimum Energy Loss Culverts in Australia." Journal of Performances of Constructed Facilities, ASCE, Vol. 21, No. 4, pp. 264-272 (ISSN 0887-3828). (PDF file at UQeSpace)

Specific resources
+ Softwares : HydroChan (version 1.0) & HydroCulv (version 1.2) by Hydrotools software (For teaching purposes only)

+ Support websites
Air entrainment on chute and stepped spillways ... {}
Embankment overflow stepped spillways: earth dam spillways with precast concrete blocks {}
Free-surface undulations in open channels: undular jups, undular surges, standing waves ... {}
  Gold Creek Dam and its Historical Stepped Spillway ... {}
History of Steel dams ... {}
Hydraulics of Roman Aqueducts. Myths, Fables, Realities. A Hydraulician's perspective ...    {}
Hydraulics of rubber dams ... {}
Minimum Energy Loss culverts and bridge waterways ... {}
The Minimum Energy Loss (MEL) weir design: an overflow earthfill embankment dam {}
Naruto Whirlpools, Japan Extreme Reservoir siltation ... {}
Spillway Aeration Devices to prevent Cavitation Damage in high-head chutes {}
Sabo Check dams. Mountain protection systems in Japan  {}
Tidal bores, mascaret, pororoca. Myths, fables and reality {}
The Tidal bore of the Seine river (mascaret) ... {}
Timber crib weirs ... {}
History of Arch dams ... {}
Gallery of Photographs in Environmental Fluid Mechanics, Hydraulic Engineering and Water Sciences    {}
Photographs of Engineering failures ...    { and accidents}
Photographs of Stepped spillways ...    {}

Research Papers in Environmental Fluid Mechanics and Water Engineering    {}
Free reprints of research papers in Environmental Fluid Mechanics, Hydraulic Engineering and Water Sciences. (Format : *.PDF, *.DOC and *.ZIP.)
+ Alternative Hydraulics by Professor John Fenton

Hydraulic engineering resources
Photographs of rivers, coasts, hydraulic structures, ... {}
Technical resources in hydraulic resources {}
Reprints in hydraulic engineering {}
Chicago Calumet waterway plant {}
Petit-saut dam (French Guyana): aeration cascade
       Petit-Saut dam : photographs, dam details

Weirs and small dams on the Kent river (UK)

Rivers Seen from Space

Inlets on-line (USACE)
Estuaries in South Africa
Great Barrier Reef, National Geographic  {}
Oceanic turbulence around Japanese islands    {}

The Aral sea

Photographs { plains}
NASA Earth Observatory (1)(2)
TETHYS (Kazakhstan) and JRAK (Japan) Ecological expedition {}
Trip in Uzbekistan {}

Bassin des Rocailles General resources

NASA Earth observatory {}
NASA rain, wind and air-sea gas exchange research  {}
National Weather Service Office of Hydrology
El Niño Information in California

Structurae, International Database and Gallery of Structures

Gallery of photographs in fluid dynamics by Mark Kramer

Qanats : an historical account

ASME Database (American Society of Mechanical Engineers)
ICEnet: The Institution of Civil Engineers, UK Homepage
Japan Society of Civil Engineers
ASCE - American Society of Civil Engineers Homepage
ASME - American Society of Mechanical Engineers

ENPC - Ponts et Chaussees
IAHR homepage (International Association for Hydraulic Research)

 US Geological Survey

About Professor Hubert CHANSON
Hubert CHANSON is a Professor in Civil Engineering, Hydraulic Engineering and Environmental Fluid Mechanics at the University of Queensland, Australia. His research interests include design of hydraulic structures, experimental investigations of two-phase flows, applied hydrodynamics, hydraulic engineering, water quality modelling, environmental fluid mechanics, estuarine processes and natural resources. He has been an active consultant for both governmental agencies and private organisations. His publication record includes over 700 international refereed papers and his work was cited over 2,700 times (WoS) to 10,500 times (Google Scholar) since 1990. His h-index is 27 (WoS), 30 (Scopus) and 47 (Google Scholar). Hubert Chanson is the author of twenty books, including "Hydraulic Design of Stepped Cascades, Channels, Weirs and Spillways" (Pergamon, 1995), "Air Bubble Entrainment in Free-Surface Turbulent Shear Flows" (Academic Press, 1997), "The Hydraulics of Open Channel Flow : An Introduction" (Butterworth-Heinemann, 1st edition 1999, 2nd editon 2004), "The Hydraulics of Stepped Chutes and Spillways" (Balkema, 2001), "Environmental Hydraulics of Open Channel Flows" (Butterworth-Heinemann, 2004), "Tidal Bores, Aegir, Eagre, Mascaret, Pororoca: Theory And Observations" (World Scientific, 2011) and "Applied Hydrodynamics: an Introduction" (CRC Press, 2014). He co-authored two further books "Fluid Mechanics for Ecologists" (IPC Press, 2002) and "Fluid Mechanics for Ecologists. Student Edition" (IPC, 2006). His textbook "The Hydraulics of Open Channel Flows : An Introduction" has already been translated into Spanish (McGraw-Hill Interamericana) and Chinese (Hydrology Bureau of Yellow River Conservancy Committee), and the second edition was published in 2004. In 2003, the IAHR presented him with the 13th Arthur Ippen Award for outstanding achievements in hydraulic engineering. The American Society of Civil Engineers, Environmental and Water Resources Institute (ASCE-EWRI) presented him with the 2004 award for the Best Practice paper in the Journal of Irrigation and Drainage Engineering ("Energy Dissipation and Air Entrainment in Stepped Storm Waterway" by Chanson and Toombes 2002). Hubert Chanson edited further several books : "Fluvial, Environmental and Coastal Developments in Hydraulic Engineering" (Mossa, Yasuda & Chanson 2004, Balkema), "Hydraulics. The Next Wave" (Chanson & Macintosh 2004, Engineers Australia), "Hydraulic Structures: a Challenge to Engineers and Researchers" (Matos & Chanson 2006, The University of Queensland), "Experiences and Challenges in Sewers: Measurements and Hydrodynamics" (Larrate & Chanson 2008, The University of Queensland), "Hydraulic Structures: Useful Water Harvesting Systems or Relics?" (Janssen & Chanson 2010, The University of Queensland), "Balance and Uncertainty: Water in a Changing World" (Valentine et al. 2011, Engineers Australia), "Hydraulic Structures and Society – Engineering Challenges and Extremes" (Chanson and Toombes 2014, University of Queensland), "Energy Dissipation in Hydraulic Structures" (Chanson 2015, IAHR Monograph, CRC Press). He chaired the Organisation of the 34th IAHR World Congress held in Brisbane, Australia between 26 June and 1 July 2011. He chaired the Scientific Committee of the 5th IAHR International Symposium on Hydraulic Structures held in Brisbane in June 2014.
 His Internet home page is He also developed a gallery of photographs website {} that received more than 2,000 hits per month since inception.

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Applied Hydrodynamics: An Introduction 2014 Energy Dissipation in Hydraulic Structures Tidal boresEnvironmental hydraulics of open channel flow Applied HydrodynamicsHydraulics of open channel flow (2nd edition)The Hydraulics of Stepped Chutes and SpillwaysThe Hydraulics of Open Channel Flow: an IntroductionAir bubble entrainment in turbulent shear flowsHydraulic design of stepped cascades, channels, weirs and spillwaysFluid Mechanics for Ecologists  McGraw-Hill Interamericana 13th Ippen award (IAHR)