GGR378H5 Final: EXAM REVIEW
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1: use the scale to calculate the area (in m2) of the channel: 2 cm 100cm = 200cm = 2 m. We need mesure the area using ruler and given scale. We usully use horizontal and vertical scale to estimate the area. 1. 5 cm 40cm = 60cm = 0. 6 m. Using ruler and scale (do not forget in this example the scale is not working) Area for triangle= a = (2*0. 6)/2 = 0. 6 m. 2: estimate the discharge (m3/s) of the channel, if the average velocity (m/s) of the channel is about 0. 5 m/s. One more time, the same channel divided into more areas. To do that the cross section of the channel divided into five parts (a1, a2, a3, a4, and a5 areas) to present more detail morphology of the channel"s cross section more accurate. 1: use the scale to calculate the total area (in m2) of each section of the channel, and fill up the table 1.
