Sediment yield and spurious correlation-toward a better portrayal of the annual suspendend-sediment load of rivers
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Abstract
Bivariate relations between annual sediment yield (tons per year per unit drainage area) and drainage-basin area are spurious because drainage-basin area is common to both axes. Two alternative methods for portraying the annual suspended-sediment load of a river are suggested. One method consists of plotting suspended-sediment load (tons per year) against distance downstream. Such plots indicate that annual suspended-sediment load does not necessarily have a linear relationship with distance. The second method consists of plotting annual suspended-sediment load against drainage-basin area. Both methods more accurately portray fundamental relations between annual sediment load and drainage-basin characteristics than does the yield-area relation because spurious correlation is avoided. Plots were made of annual suspended-sediment load versus time for several stations along each of eight rivers for the 10–15 years of available data. The plots are in-phase with respect to relative magnitude of annual sediment loads.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sediment yield and spurious correlation-toward a better portrayal of the annual suspendend-sediment load of rivers |
| Series title | Geomorphology |
| DOI | 10.1016/0169-555X(88)90003-7 |
| Volume | 1 |
| Issue | 4 |
| Year Published | 1988 |
| Language | English |
| Publisher | Elsevier |
| Description | 8 p. |
| First page | 309 |
| Last page | 316 |
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