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Volumn 136, Issue 12, 2010, Pages

Modeling unsteady flow characteristics of hydropeaking operations and their implications on fish habitat

Author keywords

Numerical modeling; River mechanics; Stream restoration; Unsteady flow

Indexed keywords

BROWN TROUTS; DYNAMIC MODELING APPROACH; ENERGY PRODUCTIONS; FIELD MEASUREMENT; FISH HABITAT; FLOOD MITIGATION; FLOW CHARACTERISTIC; FLOW PARAMETERS; FLOW PHENOMENA; INSTREAM FLOWS; NUMERICAL MODELING; NUMERICAL SIMULATION; QUASI-STEADY; REGULATED RIVER; RIVER MECHANICS; STREAM RESTORATION; THREE-DIMENSIONAL HYDRODYNAMIC MODELS; TIME-DEPENDENT; VIRGINIA; WATER SURFACE ELEVATIONS; FISH MANAGEMENT; FISHES HABITATS; RESERVOIR RELEASE; STREAM; UNSTEADY FLOW CHARACTERISTICS; UNSTEADY FLOW PHENOMENON;

EID: 78349275262     PISSN: 07339429     EISSN: None     Source Type: Journal    
DOI: 10.1061/(ASCE)HY.1943-7900.0000112     Document Type: Article
Times cited : (42)

References (44)
  • 1
    • 33751070733 scopus 로고    scopus 로고
    • Bottom shear stress in unsteady sewer flow
    • WSTED4, 0273-1223
    • Bares V. Jirak J. Pollert J. Bottom shear stress in unsteady sewer flow. Water Sci. Technol. 2006, 54(6-7):93-100. WSTED4, 0273-1223, and.
    • (2006) Water Sci. Technol. , vol.54 , Issue.6-7 , pp. 93-100
    • Bares, V.1    Jirak, J.2    Pollert, J.3
  • 2
    • 78349268821 scopus 로고
    • Channel bars in gravel-bed rivers
    • R. D. Hey, J. C. Bathurst, C. R. Thorne, and , eds., Wiley, Chichester.
    • Bathurst J.C. Channel bars in gravel-bed rivers. Gravel-bed rivers 1982, 330-331. R. D. Hey, J. C. Bathurst, C. R. Thorne, and eds., Wiley, Chichester.
    • (1982) Gravel-bed rivers , pp. 330-331
    • Bathurst, J.C.1
  • 3
    • 1942517345 scopus 로고    scopus 로고
    • Application of physical habitat simulation (phabsim) modelling to modified urban river channels
    • RRAIAQ, 1535-1459, 10.1002/rra.742
    • Booker D.J. Dunbar M.J. Application of physical habitat simulation (phabsim) modelling to modified urban river channels. River. Res. Appl. 2004, 20:167-183. RRAIAQ, 1535-1459, 10.1002/rra.742, and.
    • (2004) River. Res. Appl. , vol.20 , pp. 167-183
    • Booker, D.J.1    Dunbar, M.J.2
  • 4
    • 0003822322 scopus 로고
    • A guide to stream habitat analysis using the instream flow incremental methodology
    • Instream Flow Information Paper No.12, FWS/OBSERVATION 82/86, U.S. Fish and Wildlife Service, Washington D.C.
    • Bovee K.D. A guide to stream habitat analysis using the instream flow incremental methodology. 1982, Instream Flow Information Paper No.12, FWS/OBSERVATION 82/86, U.S. Fish and Wildlife Service, Washington D.C.
    • (1982)
    • Bovee, K.D.1
  • 5
    • 33744486586 scopus 로고    scopus 로고
    • Representing the bed roughness of coarse-grained streams in computational fluid dynamics
    • ESPLDB, 0197-9337, 10.1002/esp.1274
    • Carney S.K. Bledsoe B.P. Gessler D. Representing the bed roughness of coarse-grained streams in computational fluid dynamics. Earth Surf. Processes Landforms 2006, 31:736-749. ESPLDB, 0197-9337, 10.1002/esp.1274, and.
    • (2006) Earth Surf. Processes Landforms , vol.31 , pp. 736-749
    • Carney, S.K.1    Bledsoe, B.P.2    Gessler, D.3
  • 6
    • 78349252369 scopus 로고    scopus 로고
    • CFX-5, CFX-5 Solver Theory, CFX Ltd., Didcot, Oxfordshire, U.K.
    • 2003, CFX-5, CFX-5 Solver Theory, CFX Ltd., Didcot, Oxfordshire, U.K.
    • (2003)
  • 7
    • 0026472391 scopus 로고
    • Estimation of flow resistance in gravel-bedded rivers: A physical explanation of the multiplier of roughness length
    • ESPLDB, 0197-9337, 10.1002/esp.3290170202
    • Clifford N.J. Robert A. Richards K.S. Estimation of flow resistance in gravel-bedded rivers: A physical explanation of the multiplier of roughness length. Earth Surf. Processes Landforms 1992, 17:111-126. ESPLDB, 0197-9337, 10.1002/esp.3290170202, and.
    • (1992) Earth Surf. Processes Landforms , vol.17 , pp. 111-126
    • Clifford, N.J.1    Robert, A.2    Richards, K.S.3
  • 8
    • 0013447258 scopus 로고    scopus 로고
    • Swimming speeds in fish: Phase 1
    • and R&D Technical Rep. No.W2-026/TR1, Fawley Aquatic Research Laboratories Ltd., Environment Agency, London.
    • Clough S.C. Turnpenny A.W. H. Swimming speeds in fish: Phase 1. 2001, and R&D Technical Rep. No.W2-026/TR1, Fawley Aquatic Research Laboratories Ltd., Environment Agency, London.
    • (2001)
    • Clough, S.C.1    Turnpenny A.W., H.2
  • 9
    • 0033828012 scopus 로고    scopus 로고
    • Evaluating spatially explicit metrics of stream energy gradients using hydrodynamic model simulations
    • CJFSDX, 0706-652X, 10.1139/cjfas-57-7-1497
    • Crowder D. Diplas P. Evaluating spatially explicit metrics of stream energy gradients using hydrodynamic model simulations. Can. J. Fish. Aquat. Sci. 2000, 57(7):1497-1507. CJFSDX, 0706-652X, 10.1139/cjfas-57-7-1497, and.
    • (2000) Can. J. Fish. Aquat. Sci. , vol.57 , Issue.7 , pp. 1497-1507
    • Crowder, D.1    Diplas, P.2
  • 10
    • 0036382997 scopus 로고    scopus 로고
    • Vorticity and circulation: Spatial metrics for evaluating flow complexity in stream habitats
    • CJFSDX, 0706-652X, 10.1139/f02-037
    • Crowder D. Diplas P. Vorticity and circulation: Spatial metrics for evaluating flow complexity in stream habitats. Can. J. Fish. Aquat. Sci. 2002, 59(4):633-645. CJFSDX, 0706-652X, 10.1139/f02-037, and.
    • (2002) Can. J. Fish. Aquat. Sci. , vol.59 , Issue.4 , pp. 633-645
    • Crowder, D.1    Diplas, P.2
  • 11
    • 31544465248 scopus 로고    scopus 로고
    • Applying spatial hydraulic principles to quantify stream habitat
    • RRAIAQ, 1535-1459, 10.1002/rra.893
    • Crowder D.W. Diplas P. Applying spatial hydraulic principles to quantify stream habitat. River. Res. Appl. 2006, 22(1):79-89. RRAIAQ, 1535-1459, 10.1002/rra.893, and.
    • (2006) River. Res. Appl. , vol.22 , Issue.1 , pp. 79-89
    • Crowder, D.W.1    Diplas, P.2
  • 12
    • 0035416887 scopus 로고    scopus 로고
    • Simulation of sediment transport during flood events: Laboratory work and field experiments
    • HSJODN, 0262-6667, 10.1080/02626660109492853
    • De Sutter R. Verhoeven R. Krein A. Simulation of sediment transport during flood events: Laboratory work and field experiments. Hydrol. Sci. J. 2001, 46(4):599-610. HSJODN, 0262-6667, 10.1080/02626660109492853, and.
    • (2001) Hydrol. Sci. J. , vol.46 , Issue.4 , pp. 599-610
    • De Sutter, R.1    Verhoeven, R.2    Krein, A.3
  • 13
    • 0023127537 scopus 로고
    • Bedload transport in gravel-bed streams
    • JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1987)113:3(277).
    • Diplas P. Bedload transport in gravel-bed streams. J. Hydraul. Eng. 1987, 113(3):277-292. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1987)113:3(277).
    • (1987) J. Hydraul. Eng. , vol.113 , Issue.3 , pp. 277-292
    • Diplas, P.1
  • 14
    • 0025428884 scopus 로고
    • Characteristics of self-formed straight channels
    • JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1990)116:5(707).
    • Diplas P. Characteristics of self-formed straight channels. J. Hydraul. Eng. 1990, 116(5):707-728. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1990)116:5(707).
    • (1990) J. Hydraul. Eng. , vol.116 , Issue.5 , pp. 707-728
    • Diplas, P.1
  • 15
  • 16
    • 78349236647 scopus 로고    scopus 로고
    • Hydropeaking
    • Federal Office for Environment (FOEN), 〈〉 (Nov. 1 2008).
    • Hydropeaking. 2008, Federal Office for Environment (FOEN), 〈〉 (Nov. 2008).
    • (2008)
  • 17
    • 24644515528 scopus 로고    scopus 로고
    • 3D unsteady RANS modeling of complex hydraulic engineering flows. I: Numerical model
    • JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2005)131:9(800)
    • Ge L. Sotiropoulos F. 3D unsteady RANS modeling of complex hydraulic engineering flows. I: Numerical model. J. Hydraul. Eng. 2005, 131(9):800-808. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2005)131:9(800), and.
    • (2005) J. Hydraul. Eng. , vol.131 , Issue.9 , pp. 800-808
    • Ge, L.1    Sotiropoulos, F.2
  • 20
    • 0019367877 scopus 로고
    • Volume of fluid methods for the dynamics of free boundaries
    • JCTPAH, 0021-9991, 10.1016/0021-9991(81)90145-5
    • Hirt C. Nichols B. Volume of fluid methods for the dynamics of free boundaries. J. Comput. Phys. 1981, 39:201-225. JCTPAH, 0021-9991, 10.1016/0021-9991(81)90145-5, and.
    • (1981) J. Comput. Phys. , vol.39 , pp. 201-225
    • Hirt, C.1    Nichols, B.2
  • 21
    • 0003714250 scopus 로고
    • Hydropower flow fluctuations and salmonids: A review of the biological effects, mechanical causes, and options for mitigation
    • Technical Rep. No.119, State of Washington Dept. of Fisheries, Olympia, Wash.
    • Hunter M.A. Hydropower flow fluctuations and salmonids: A review of the biological effects, mechanical causes, and options for mitigation. 1992, Technical Rep. No.119, State of Washington Dept. of Fisheries, Olympia, Wash.
    • (1992)
    • Hunter, M.A.1
  • 22
    • 0023471898 scopus 로고
    • Flow around islands in Rupert Bay: An investigation of the bottom friction effect
    • JGREA2, 0148-0227, 10.1029/JC092iC13p14521
    • Ingram G.R. Chu V.H. Flow around islands in Rupert Bay: An investigation of the bottom friction effect. J. Geophys. Res. 1987, 92(C13):14.521-14.533. JGREA2, 0148-0227, 10.1029/JC092iC13p14521, and.
    • (1987) J. Geophys. Res. , vol.92 , Issue.C13
    • Ingram, G.R.1    Chu, V.H.2
  • 23
    • 0016034522 scopus 로고
    • The numerical computation of turbulent flows
    • CMMECC, 0045-7825, 10.1016/0045-7825(74)90029-2
    • Launder B.E. Spalding D.B. The numerical computation of turbulent flows. Comput. Methods Appl. Mech. Eng. 1974, 3:269-289. CMMECC, 0045-7825, 10.1016/0045-7825(74)90029-2, and.
    • (1974) Comput. Methods Appl. Mech. Eng. , vol.3 , pp. 269-289
    • Launder, B.E.1    Spalding, D.B.2
  • 24
    • 0000420679 scopus 로고    scopus 로고
    • Influence of hydropeaking on invertebrates and their relationship with fish feeding habitats in a Pyrenean River
    • RRRMEP, 0886-9375, 10.1002/(SICI)1099-1646(199611)12:6<563::AID-RRR380>3.0.CO;2-M
    • Lauters F. Lavandier P. Lim P. Sabation C. Belaud A. Influence of hydropeaking on invertebrates and their relationship with fish feeding habitats in a Pyrenean River. Regul. Rivers: Res. Manage. 1996, 12:563-573. RRRMEP, 0886-9375, 10.1002/(SICI)1099-1646(199611)12:6<563::AID-RRR380>3.0.CO;2-M, and.
    • (1996) Regul. Rivers: Res. Manage. , vol.12 , pp. 563-573
    • Lauters, F.1    Lavandier, P.2    Lim, P.3    Sabation, C.4    Belaud, A.5
  • 25
    • 0030454198 scopus 로고    scopus 로고
    • Numerical method for modeling spawning habitat dynamics of landlocked salmon, Salmo salar
    • RRRMEP, 0886-9375, 10.1002/(SICI)1099-1646(199603)12:2/3<273::AID-RRR395>3.0.CO;2-J
    • Leclerc M. Boudreau P. Bechara J.A. Belzile L. Numerical method for modeling spawning habitat dynamics of landlocked salmon, Salmo salar. Regul. Rivers: Res. Manage. 1996, 12:273-285. RRRMEP, 0886-9375, 10.1002/(SICI)1099-1646(199603)12:2/3<273::AID-RRR395>3.0.CO;2-J, and.
    • (1996) Regul. Rivers: Res. Manage. , vol.12 , pp. 273-285
    • Leclerc, M.1    Boudreau, P.2    Bechara, J.A.3    Belzile, L.4
  • 26
    • 0344528756 scopus 로고    scopus 로고
    • Impact of hydropeaking on the abundance of juvenile brown trout in a Pyrenean stream
    • AHYBA4, 0003-9136
    • Liebig H. Cereghino R. Lim P. Belaud A. Lek S. Impact of hydropeaking on the abundance of juvenile brown trout in a Pyrenean stream. Archiv Hydrobiol. 1999, 144:439-454. AHYBA4, 0003-9136, and.
    • (1999) Archiv Hydrobiol. , vol.144 , pp. 439-454
    • Liebig, H.1    Cereghino, R.2    Lim, P.3    Belaud, A.4    Lek, S.5
  • 27
    • 43849098033 scopus 로고    scopus 로고
    • The concept of roughness in fluvial hydraulics and its formulation in 1D, 2D and 3D numerical simulation models
    • JHYRAF, 0022-1686, 10.1080/00221686.2008.9521855
    • Morvan H. Knight D.W. Wright N. Tang X. Crossley A. The concept of roughness in fluvial hydraulics and its formulation in 1D, 2D and 3D numerical simulation models. J. Hydraul. Res. 2008, 46(2):191-208. JHYRAF, 0022-1686, 10.1080/00221686.2008.9521855, and.
    • (2008) J. Hydraul. Res. , vol.46 , Issue.2 , pp. 191-208
    • Morvan, H.1    Knight, D.W.2    Wright, N.3    Tang, X.4    Crossley, A.5
  • 29
    • 0031227271 scopus 로고    scopus 로고
    • Turbulent structure in unsteady depth-varying open-channel flows
    • JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1997)123:9(752)
    • Nezu I. Kadota A. Nakagawa H. Turbulent structure in unsteady depth-varying open-channel flows. J. Hydraul. Eng. 1997, 123(9):752-763. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1997)123:9(752), and.
    • (1997) J. Hydraul. Eng. , vol.123 , Issue.9 , pp. 752-763
    • Nezu, I.1    Kadota, A.2    Nakagawa, H.3
  • 31
    • 33745242948 scopus 로고    scopus 로고
    • Numerical calculation of turbulence structure in depth-varying unsteady open-channel flows
    • JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2006)132:7(681)
    • Nezu I. Sanjou M. Numerical calculation of turbulence structure in depth-varying unsteady open-channel flows. J. Hydraul. Eng. 2006, 132(7):681-695. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2006)132:7(681), and.
    • (2006) J. Hydraul. Eng. , vol.132 , Issue.7 , pp. 681-695
    • Nezu, I.1    Sanjou, M.2
  • 32
    • 78349242570 scopus 로고    scopus 로고
    • Influences of fluctuating releases on stream fishes in the smith river below philpott dam
    • and Final Rep. (Contract No. 08220203). Federal Aid in Sport Fish Restoration Program, Federal Aid Grant F-121-R-5, Virginia Dept. of Game and Inland Fisheries, Richmond, Va.
    • Orth D.J. Diplas P. Dolloff A. Newcomb T. Influences of fluctuating releases on stream fishes in the smith river below philpott dam. 2004, and Final Rep. (Contract No. 08220203). Federal Aid in Sport Fish Restoration Program, Federal Aid Grant F-121-R-5, Virginia Dept. of Game and Inland Fisheries, Richmond, Va.
    • (2004)
    • Orth, D.J.1    Diplas, P.2    Dolloff, A.3    Newcomb, T.4
  • 33
    • 0020114271 scopus 로고
    • Bedload size distribution in paved gravel-bed streams
    • JYCEAJ, 0044-796X
    • Parker G. Klingeman P.C. McLean D.B. Bedload size distribution in paved gravel-bed streams. J. Hydr. Div. 1982, 108(4):544-571. JYCEAJ, 0044-796X, and.
    • (1982) J. Hydr. Div. , vol.108 , Issue.4 , pp. 544-571
    • Parker, G.1    Klingeman, P.C.2    McLean, D.B.3
  • 34
    • 45849086877 scopus 로고    scopus 로고
    • Backwater control on riffle-pool hydraulics, fish habitat quality, and sediment transport regime in gravel-bed rivers
    • JHYDA7, 0022-1694, 10.1016/j.jhydrol.2008.05.014
    • Pasternack G.B. Bounrisavong M.K. Parikh K. Backwater control on riffle-pool hydraulics, fish habitat quality, and sediment transport regime in gravel-bed rivers. J. Hydrol. 2008, 357:125-139. JHYDA7, 0022-1694, 10.1016/j.jhydrol.2008.05.014, and.
    • (2008) J. Hydrol. , vol.357 , pp. 125-139
    • Pasternack, G.B.1    Bounrisavong, M.K.2    Parikh, K.3
  • 35
    • 0018029094 scopus 로고
    • Simulation of flow geometry in a riffle-pool stream
    • .
    • Richards K.S. Simulation of flow geometry in a riffle-pool stream. Earth Surf. Proc. 1978, 3:345-354.
    • (1978) Earth Surf. Proc. , vol.3 , pp. 345-354
    • Richards, K.S.1
  • 36
    • 0034532551 scopus 로고    scopus 로고
    • Time-dependent shear velocities in channel routing
    • HSJODN, 0262-6667, 10.1080/02626660009492390
    • Rowinski P.M. Czernuszenko W. Pretre J.M. Time-dependent shear velocities in channel routing. Hydrol. Sci. J. 2000, 45(6):881-895. HSJODN, 0262-6667, 10.1080/02626660009492390, and.
    • (2000) Hydrol. Sci. J. , vol.45 , Issue.6 , pp. 881-895
    • Rowinski, P.M.1    Czernuszenko, W.2    Pretre, J.M.3
  • 37
    • 1342331215 scopus 로고    scopus 로고
    • Numerical modeling of three-dimensional flow field around circular piers
    • JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2004)130:2(91)
    • Salaheldin T.M. Imran J. Chaudhry M.H. Numerical modeling of three-dimensional flow field around circular piers. J. Hydraul. Eng. 2004, 130(2):91-100. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2004)130:2(91), and.
    • (2004) J. Hydraul. Eng. , vol.130 , Issue.2 , pp. 91-100
    • Salaheldin, T.M.1    Imran, J.2    Chaudhry, M.H.3
  • 38
    • 41649108202 scopus 로고    scopus 로고
    • Application of two- and three-dimensional computational fluid dynamics models to complex ecological stream flows
    • JHYDA7, 0022-1694, 10.1016/j.jhydrol.2007.09.060
    • Shen Y. Diplas P. Application of two- and three-dimensional computational fluid dynamics models to complex ecological stream flows. J. Hydrol. 2008, 348(1-2):195-214. JHYDA7, 0022-1694, 10.1016/j.jhydrol.2007.09.060, and.
    • (2008) J. Hydrol. , vol.348 , Issue.1-2 , pp. 195-214
    • Shen, Y.1    Diplas, P.2
  • 39
    • 0029705199 scopus 로고    scopus 로고
    • Wall shear stress in accelerating and decelerating turbulent pipe flows
    • JHYRAF, 0022-1686, 10.1080/00221689609498495.
    • Shuy E.B. Wall shear stress in accelerating and decelerating turbulent pipe flows. J. Hydraul. Res. 1996, 34(2):173-183. JHYRAF, 0022-1686, 10.1080/00221689609498495.
    • (1996) J. Hydraul. Res. , vol.34 , Issue.2 , pp. 173-183
    • Shuy, E.B.1
  • 40
    • 34247631591 scopus 로고    scopus 로고
    • Estimating shear stress from moving boat acoustic Doppler velocity measurements in a large gravel bed river
    • WRERAQ, 0043-1397, 10.1029/2006WR005069
    • Sime L.C. Ferguson R.I. Church M. Estimating shear stress from moving boat acoustic Doppler velocity measurements in a large gravel bed river. Water Resour. Res. 2007, 43:W03418. WRERAQ, 0043-1397, 10.1029/2006WR005069, and.
    • (2007) Water Resour. Res. , vol.43
    • Sime, L.C.1    Ferguson, R.I.2    Church, M.3
  • 41
    • 0030104238 scopus 로고    scopus 로고
    • Velocity and turbulence distribution in unsteady open-channel flows
    • JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1996)122:3(141)
    • Song T. Graf W.H. Velocity and turbulence distribution in unsteady open-channel flows. J. Hydraul. Eng. 1996, 122(3):141-154. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1996)122:3(141), and.
    • (1996) J. Hydraul. Eng. , vol.122 , Issue.3 , pp. 141-154
    • Song, T.1    Graf, W.H.2
  • 42
    • 0002452138 scopus 로고
    • Velocity distribution in unsteady open-channel flow over gravel beds
    • ZZZZZZ, 0912-2508
    • Tu H. Graf W.H. Velocity distribution in unsteady open-channel flow over gravel beds. J. Hydrosci. Hydr. Eng. 1992, 10(1):11-25. ZZZZZZ, 0912-2508, and.
    • (1992) J. Hydrosci. Hydr. Eng. , vol.10 , Issue.1 , pp. 11-25
    • Tu, H.1    Graf, W.H.2
  • 43
    • 0026359860 scopus 로고
    • Velocity distribution and bed roughness in steep streams
    • WRERAQ, 0043-1397, 10.1029/90WR02770
    • Wiberg P.L. Smith J.D. Velocity distribution and bed roughness in steep streams. Water Resour. Res. 1991, 27(5):825-838. WRERAQ, 0043-1397, 10.1029/90WR02770, and.
    • (1991) Water Resour. Res. , vol.27 , Issue.5 , pp. 825-838
    • Wiberg, P.L.1    Smith, J.D.2
  • 44
    • 0346366037 scopus 로고    scopus 로고
    • Contributions of short-term flow regulation patterns to trout habitats in a boreal river
    • and .
    • Yrjana T. van der Meer O. Riihimaki J. Sinisalmi T. Contributions of short-term flow regulation patterns to trout habitats in a boreal river. Boreal Env. Res. 2002, 7:77-89. and.
    • (2002) Boreal Env. Res. , vol.7 , pp. 77-89
    • Yrjana, T.1    van der Meer, O.2    Riihimaki, J.3    Sinisalmi, T.4


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