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"name": "Techniques for estimating sediment yield of ungaged tributaries on the southern Colorado Plateau",
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"datePublished": "2001",
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"abstract": "Numerous regional sediment transport data are used to evaluate three techniques for estimating streamflow sediment yield from ungaged tributaries of the Colorado River in Grand Canyon. These techniques include: (1) a regression equation relating drainage area to sediment yield for all relevant sediment-yield data from northern Arizona, (2) an empirical relation developed by Renard (1972) selected from 8 potentially relevant methods, and (3) a new procedure that combines regional flood-frequency analysis with sediment-rating curves. Results based on techniques (1) and (2) are not significantly different. The third technique requires numerous assumptions, most notably that sediment yield on a decadal average can be described by several floods of recurrence intervals of 2 yr, 5 yr, and 10 yr described by regional flood-frequency relations. Using data collected at gaging stations, we develop a relation between peak discharge and total-event sediment yield derived from hydrographs and sediment-rating curves. This third technique produces sediment yield estimates comparable to those of the regional data regression and Renard (1972) relations and may be a more robust technique for estimating sediment yield when streamflow data are available.",
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"name": "Inter-agency Committee on Water Resources. Subcommittee on Sedimentation"
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"name": "Webb, Robert rhwebb@usgs.gov",
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"name": "Griffiths, Peter G. pggriffi@usgs.gov",
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"name": "Hartley, Daniel R.",
"givenName": "Daniel R.",
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"name": "Rocky Mountain Regional Office",
"url": "https://www.usgs.gov/regions/rocky-mountain"
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