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<br />, <br /> <br />. <br /> <br />110 <br /> <br />HYDRAULIC ENGINEERING '94 <br /> <br />Table 2. Summary of slream-power computations 'or flows ill stream channels in central AriZona <br /> <br />Water- ...." Sit...,. power, <br />.urftlce vMocIty, In "-'on- <br />elo.... In m.... <br />In ...... p<< .-.cond <br />me.... ... per aqu.,. <br />p. IIfH:Ond ...... <br />...... <br /> <br />so. <br />...... <br />... <br /> <br />H,.. <br />..... <br />rIldlllt. <br />I. <br />- <br /> <br />81........ <br /> <br /> 1.4 0.0013 1.4 25.0 <br /> Verde River heir Scottsdale 2.9 .0012 2.t 71.6 <br /> Do. H 294 <br /> Do. 4.2 .0021 <br /> .5 .0054 1.2 31.8 <br />2 Skunk. Creek dJoYc l:nlerSt.ate 17 50.0 <br /> Indian Bend Wash above Curly Road 1.1 .0015 2.0 <br />3 5B.B <br /> 1.6 .0025 1.5 <br />4 A&Ul Fri. River below Waddell Dun t9\ <br /> I.B .0040 2.1 <br />5 HIISSlYlDhpl. River neII' Arlington 240 <br /> Salt River above lnlflrshle 10 4.0 .00tB H <br />6 29t <br /> 1.1 .0090 3.0 <br />1 Cave Creek .rove. New kiver Road <br /> 2.0 .0065 3.1 411 <br />B New River above InlaState 11 516 <br /> 2.4 .0049 5.0 <br />9 HlSlI)'Qpa Kivu near WK:k.enburg 644 <br /> 2.6 .0019 3.2 <br />to Francis Creek nell' W'lkieup 699 <br /> 3.6 .0036 5.5 <br />11 Bia Sandy River neU" Wikicup \1.2 1.0034 1l.0 140.0 <br /> Do. <br />lo.lfotorOWll:lMrt.lIow. <br /> <br />..... <br /> <br />"'0 <br />"'II' <br />~a <br />~'" <br />~~ <br />it", <br />"'~ <br />U <br />~lll <br />w'" <br />~ll' <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />.co <br /> <br />-- <br />-- <br />. --- . <br />laldO'flrar __ <br />· _]:-1'---- <br />_-" lkd8." <br />. -- noen.ct <br />-- . <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />o <br /> <br />. <br />o <br /> <br />o No ,DId <br />. lItll..lIecc <br />--'- -, <br />23. <br />YEGf:fATIONII:IGHl,1N METERS <br /> <br />E"-~ at ........1. floodUoWl On vegetation as a 'unction of stream power and vegetation <br />Flgur.i. """,$ ........ <br />height. <br /> <br />. laidcw.r <br /> <br />'DO <br /> <br />.- <br />, <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />A.OODFLoW EFFECTS-ARIZONA <br /> <br />111 <br /> <br />SummarY and Conclusions <br /> <br />Analyses of dala collected from 13 nows al 1 J siles oa ephemeral streams in central <br />Arizona show that the stream power needed to layover or remove vegetation in a <br />channel is related to the average height of vegetation. The resulting relation can be <br />used to estimate vegetarion conditions at the time of peak floodnow. The relation <br />is preliminary and will be refined as addilional data an: obtained. <br /> <br />References Citt:d <br /> <br />Benson, M.A., and Dalrymple, Tate, 1984, General field and office procedures for <br />indirect measurements: U.S. GeOlogical Survey Techniques of Water <br />. Resources Invesligalions, book 3. chap. AI. 30 p. <br /> <br />Dalrymple, Tale, and Benson, M.A., 1976, Measuremenl of peak discharge by the <br />slope-area melhod: U.S. Geological Survey Techniques of Waler Resources <br />Investigations, book 3. chap. A2, 12 p. <br /> <br />Soil Conservation Service, 1954. Handbook of channel design for soil and water <br />conservation: U.S. Oepanment of Agriculture, Soil Conservation Service <br />Repon SCS- TP-61, 34 p. <br /> <br />Thomsen, B.W.. and Hjalmarson, H.W., 1991, ESlimaled Manning's roughness <br />coefficients for stream channels and flood plains in Maricopa COUnty, <br />Arlwna: Phoenix, Arlwna, Flood Control District of Maricopa Coonly report, <br />126 p. <br /> <br />, <br /> <br />I <br /> <br />- <br />