HW 22 - 36 3.58 0.595 42 0.77 0.8235 42 3.63 0.5179 50 0.88...

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Bryce DaFonte BRAE 236 HW 22 11/17/2010 Given: The following soils data. Find: a) The depth infiltrated curve equation b) K and n for each soil c) Intake rate curve and equation for each soil d) Which soil would be better suited for border strip irrigation Solution: The following table of values is from the given data and calculated values. The K and n values for each soil are used in the calculation of the depth intake rate. The K and n values come from the trendline curve located on the infiltration data graph. a) Cumulative Cumulative Time Depth Inf Intake Rate Time Depth Inf Intake Rate min in in/hr min in in/hr 1 0.05 2.1496 1 2.5 14.98 2 0.08 1.7992 2 2.68 8.0266 10 0.26 1.1903 10 3.15 1.885 14 0.34 1.0918 14 3.26 1.3924 36 0.69 0.8568
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Unformatted text preview: 36 3.58 0.595 42 0.77 0.8235 42 3.63 0.5179 50 0.88 0.7875 50 3.7 0.4427 60 1.01 0.7515 60 3.76 0.3757 120 1.69 0.629 120 4.04 0.2013 180 2.28 0.5668 180 4.2 0.1397 300 3.35 0.4971 300 4.42 0.0882 400 4.15 0.4618 400 4.55 0.0681 500 4.9 0.4361 500 4.65 0.0557 700 6.31 0.4 700 4.81 0.0411 1200 9.43 0.3483 1200 5.08 0.0253 1440 10.81 0.3324 1440 5.17 0.0215 Soil 1 Soil 2 b) K soil 1 = 0.0482 n soil 1 = 0.7433 K soil 2 = 2.5017 n soil 2 = 0.0998 Part a and c are attached. d) The second soil, which is a cracking clay soil, would be better for border strip irrigation due to the shallower infiltration depth and smaller intake rate....
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