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<br />Verde River below Beeline Highway <br /> <br />Reach location: <br /> <br />Latitude 33033'31", longitude 111040'07". Reach begins about 200 ft downstream <br />from streamflow-gaging station 09511300, Verde River near Scottsdale. <br /> <br />6,615 mil. <br /> <br />d50 = 110 mm (0.36 ft). <br /> <br />Drainal!e area: <br />Bed-material size: <br /> <br />Channel descriution: <br /> <br />Although there is a slight curvature of the reach as indicated in the plan view <br />(fig. 12B), the channel is fairly uniform and consists mainly of cobble-sized material. <br />The left bank is steep and is primarily bare soil. Root systems of the vegetation at <br />higher elevations seem to keep the bank material fairly stable. Sparse vegetation <br />(brush) is in the channel. The river is perennial and flow is regulated by upstream <br />reservolfS. <br /> <br />The effect of the sparse brush in the main channel on flow resistance was considered <br />negligible. Additionally, the bank vegetation evident in figure 12G was above the <br />high-water line and did not affect flow. The low-flow verification measurement was <br />made in a short section of the channel reach (not shown in figures). <br /> <br />Table 17. Flow data and computed roughness coefficients, Verde River below Beeline Highway <br /> <br />Remarks: <br /> <br />Date of flow <br /> <br />Discharge, in cubic feet per second <br /> <br />Roughness coefficient <br /> <br />03-28-91 <br /> <br />09-14-89 <br /> <br />2,860 <br /> <br />225 <br /> <br />0.030 <br /> <br />.036 <br /> <br />Rating <br />Good <br />Good <br /> <br />Table 18. Average-reach properties, Verde River below Beeline Highway <br /> <br /> Area,in Top width, Hydraulic Mean velocity, in Froude Total length, Tolalfall, Water-surface <br />Date square feet in feet radius, in feet feet per second number in feet in feet slope <br />03-28-9t 610 157 3.94 4.69 0.42 1,045 1.38 0.0013 <br />09-14-89 87.9 87.4 1.00 2.57 .45 243 .92 .0038 <br /> 10 <br /> 8 <br /> f- 6 <br /> w <br /> W <br /> lL <br /> ~ 4 <br /> Z <br /> 0 <br /> ~ 2 <br /> > SEPTEMBER 14, 1989 <br /> w <br /> --' <br /> w 0 <br /> -2 <br /> -4 <br /> -10 0 20 40 60 80 100 120 140 160 170 <br /> STATIONING FROM LEFT BANK, IN FEET <br /> Figure 12A. Cross-section 2, Verde River below Beeline Highway. <br /> <br /> <br />48 Verification of Roughness Coefficients for Selected Natural and Constructed Stream Channels in Arizona <br />