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<br />NAU Sand Bar Studies
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<br />Final Report
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<br />LIST OF TABLES
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<br />Table I. Summary of sand volume changes in the 3-km study reach, ......................,..,....,......,...., 14
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<br />LIST OF FIGURES
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<br />Figure 1, Map of the Marble Canyon portion of the Colorado River ecosystem
<br />and location of the 3-km study reach ..,....,..,......................,......................,...................... 7
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<br />Figure 2, Discharge hydrographs..,............,....,......,......,..,...."................,.........""..........,' ,............ 10
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<br />Figure 3, USGS cross-section p7 in A and NAU cross-section p5 in B ....,........,........,......,..,......,17
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<br />Figure 4, Suspended sediment concentrations and instantaneous discharge..,....,..,....,......,....,...... 19
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<br />Figure 5, Contour maps of the main channel and Eddy 3 in Segment 4.......,..,........,..,........,........ 21
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<br />Figure 6, Suspended sediment concentrations and instantaneous discharge............,....,..,..........,.. 22
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<br />Figure 7. Average sand thickness changes in Marble Canyon versus time,....................,.............. 24
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<br />Figure 8, Selected cross section of the high-elevation pan of the sand bar ..,..,......................,......25
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<br />Figure 9, The relation between stage change and high-elevation thickness change................,...... 26
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<br />Figure 10, Graph of median grain size as function of relative height...,......,................................,26
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<br />Figure 1 I. The total mass of sand stored at the study sites in Marble Canyon ....,..,..'........,.......... 29
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