Abstract
Manning’s roughness coefficient (n) has been widely used in the estimation of flood discharges or depths of flow in natural channels. Therefore, the selection of appropriate Manning’s n values is of paramount importance for hydraulic engineers and hydrologists and requires considerable experience, although extensive guidelines are available. Generally, the largest source of error in post-flood estimates (termed indirect measurements) is due to estimates of Manning’s n values, particularly when there has been minimal field verification of flow resistance. This emphasizes the need to improve methods for estimating n values. The objective of this study was to develop a soft computing model in the estimation of the Manning’s n values using 75 discharge measurements on 21 high gradient streams in Colorado, USA. The data are from high gradient (S > 0.002 m/m), cobble- and boulder-bed streams for within bank flows. This study presents Gene-Expression Programming (GEP), an extension of Genetic Programming (GP), as an improved approach to estimate Manning’s roughness coefficient for high gradient streams. This study uses field data and assessed the potential of gene-expression programming (GEP) to estimate Manning’s n values. GEP is a search technique that automatically simplifies genetic programs during an evolutionary processes (or evolves) to obtain the most robust computer program (e.g., simplify mathematical expressions, decision trees, polynomial constructs, and logical expressions). Field measurements collected by Jarrett (J Hydraulic Eng ASCE 110: 1519–1539, 1984) were used to train the GEP network and evolve programs. The developed network and evolved programs were validated by using observations that were not involved in training. GEP and ANN-RBF (artificial neural network-radial basis function) models were found to be substantially more effective (e.g., R2 for testing/validation of GEP and RBF-ANN is 0.745 and 0.65, respectively) than Jarrett’s (J Hydraulic Eng ASCE 110: 1519–1539, 1984) equation (R2 for testing/validation equals 0.58) in predicting the Manning’s n.
Similar content being viewed by others
References
Ab Ghani A, Zakaria NA, Chang CK, Ariffin J, Abu Hasan Z, Abdul Ghaffar AB (2007) Revised equations for Manning’s coefficient for sand-bed rivers. Int J River Basin Manag 5(4):329–346
American Society of Civil Engineers (ASCE) Task Committee (2000) The ASCE Task Committee on Application of artificial neural networks in hydrology. J Hydrologic Eng 5(2):115–137
Azamathulla HM, Ghani AA (2011) Genetic programming for longitudinal dispersion coefficients in streams. Water Resour Manag 25(6):1537–1544
Azamathulla HM, Deo MC, Deolalikar PB (2008) Alternative neural networks to estimate the scour below spillways. Adv Eng Softw 39(8):689–698
Azamathulla HM, Ghani AA, Zakaria NA, Aytac G (2010) Genetic programming to predict bridge pier scour. J Hydraul Eng ASCE 136(3):165–169
Azamathulla HM, Ghani AA, Leow CS, Chang CK, Zakaria NA (2011) Gene-expression programming for the development of a stage-discharge curve of the Pahang River. Water Resour Manag 25(11):2901–2916
Azmathulla HM, Deo MC, Deolalikar PB (2005) Neural networks for estimation of scour downstream of ski-jump bucket. J HydraulEng 131(10):898–908
Barnes Jr., HH (1967) Roughness characteristics of natural channels. U.S. Geological Survey Water-Supply Paper 1849, p. 213
Bathurst JC (1985) Flow resistance estimation in mountain rivers: ASCE. J Hydraul Eng 111:625–641
Bray DI (1979) Estimating average velocity in gravel-bed rivers. J Hydraul Div 105:1103–1122
Brownlie WR (1983) Flow depth in sand-bed channels. J Hydraul Eng 109(7):959–990
Bruschin J (1985) Discussion on Brownlie (1983): flow depth in sand-bed channels. J Hydraul Eng ASCE 111:736–739
Chow VT (1959) Open Channel Hydraulics. McGraw-Hill, New York
Costa JE, Jarrett RD (2008) An Evaluation of selected extraordinary floods in the United States reported by the U.S. Geological Survey and implications for future advancement of flood science: U.S. Geological Survey Scientific Investigations Report 2008–5164, 232 p., 1 appendix. [Available only on-line at http://pubs.usgs.gov/sir/2008/5164/pdf/sir20085164.pdf and http://pubs.usgs.gov/sir/2008/5164/pdf/sir20085164_AppendixA.pdf]
Dingman SL, Sharma KP (1997) Statistical development and validation of discharge equations for natural channels. J Hydrol 199:13–35
Ferreira C (2001a) Gene expression programming in problem solving”, 6th Online World Conference on Soft Computing in Industrial Applications (invited tutorial)
Ferreira C (2001b) Gene expression programming: a new adaptive algorithm for solving problems. Complex Systems 13(2):87–129
Ferreira C (2006) Gene-expression programming; mathematical modeling by an artificial intelligence. Springer, Berling, Heidelberg, New York
Giustolisi O (2004) Using genetic programming to determine Chèzy resistance coefficient in corrugated channels. J Hydroinformatics 6(3):157–173
Golubtsov VV (1969) Hydraulic resistance and formula for computing average flow velocity of mountain rivers. Soviet Hydrol 5:500–510
Green JC (2006) Effect of macrophyte spatial variability on channel resistance. Adv Water Resour 29:426–438
Guven A (2009) Linear genetic programming for time-series modeling of daily flow rate. Earth Syst Sci 118(2):137
Guven A, Aytek A (2009) A new approach for stage-discharge relationship: gene-expression programming. J Hydrol Eng ASCE 14(8):812–820
Guven A, Talu NE (2010) Gene-expression programming for estimating suspended sediment in Middle Euphrates Basin, Turkey. CLEAN: Soil, Air, Water 38:1159. doi:12
Hicks DM, Mason PD (1991) Roughness characteristics of New Zealand rivers. Water Resources Survey, Wellington, p 329
Jarrett RD (1984) Hydraulics of high gradient streams. J Hydraul Eng ASCE 110(1):1519–1539
Jarrett RD (1987) Peak discharge errors in slope-area computation in mountain streams. J Hydrol 96(1–4):53–67
Jarrett RD (1992) Hydraulics of mountain rivers. In: Yen BC (ed) Channel flow resistance—centennial of Manning’s’ formula: international conference for the centennial of Manning’s and Kuichling’s rational formula. Water Resources Publications, Littleton, pp 287–298
Jarrett RD (1994) Historic-flood evaluation and research needs in mountainous areas. In: Cotroneo GV, Rumer RR (eds) Hydraulic Engineering--Proceedings of the symposium sponsored by the American Society of Civil Engineers, Buffalo, New York, August 1–5, 1994. American Society of Civil Engineers, New York, pp 875–879
Jarrett RD, Petsch HE Jr (1985) Computer Program NCALC user’s manual, Verification of Manning’s roughness coefficient in channels: U.S. Geological Survey Water-Resources Investigations Report 85–4317, p. 27
Jiang M, Li L-X (2010) An improved two-point velocity method for estimating the roughness coefficient of natural channels. Physics and Chemistry of the Earth. (in press)
Keulegan GH (1938) Laws of turbulent flow in open channels. J Res Natl BurStand 21:707–741
Koza JR (1992) Genetic Programming: On the Programming of Computers by means of Natural Selection. The MIT Press, Cambridge
Li Z, Zhang J (2001) Calculation of field Manning’s roughness coefficient. Agric Water Manage 49:153–161
Limerinos JT (1970) Determination of the Manning Coefficient from measured bed roughness in natural channels: U.S. Geological Survey Professional Paper 1898-B, p. 47
Marcus WA, Roberts K, Harvey L, Tackman G (1992) An evaluation of methods for estimating Manning’s n in small mountain streams. Mt Res Dev 12:227–239
Maresova I (1994) Evaluating flow resistance using height of roughness protrusions. In: Cotroneo GV, Rumer RR (eds) Hydraulic Engineering--Proceedings of the Symposium sponsored by the American Society of Civil Engineers, Buffalo, New York, August 1–5, 1994. American Society of Civil Engineers, New York, pp 712–716
Millar RG, Quick M (1994) Flow resistance of high-gradient gravel channels. In: Cotroneo GV, Rumer RR (eds) 1994 ASCE National Conference on Hydraulic Engineering. American Society of Civil Engineers, Hydraulics Division, New York, pp 717–721
Reid DE, Hickin EJ (2008) Flow resistance in steep mountain streams. Earth Surf Process Landf 33:2211–2240
Riggs HC (1976) A simplified slope area method for estimating flood discharges in natural channels. J Res U S Geol Surv 4:285–291
Teodorescu L, Sherwood D (2008) High Energy Physics event selection with Gene Expression Programming. Comput Phys Commun 178(6):409–419
Thompson SM, Campbell PL (1979) Hydraulics of a large channel paved with boulders. J Hydraul Eng ASCE 17:341–354
Traore S, Guven A (2012) Regional-specific Numerical Models of Evapotranspiration Using Gene-expression Programming Interface in Sahel. Wat Resou Manag 26(15):4367–4380
Wohl EE (1998) Uncertainty in flood estimates associated with roughness coefficient. J Hydraul Eng ASCE 124:219–223
Wohl EE (2000) Channel processes. in Mountain Rivers. Water Resources Monograph 14, American Geophysical Union Press, Washington, D.C, pp 63–147
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Azamathulla, H.M., Jarrett, R.D. Use of Gene-Expression Programming to Estimate Manning’s Roughness Coefficient for High Gradient Streams. Water Resour Manage 27, 715–729 (2013). https://doi.org/10.1007/s11269-012-0211-1
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11269-012-0211-1