Comparison of bed form variance spectra within a meander bend during flood and average discharge
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Abstract
Time series analysis of streambed elevation in a meander bend along the Congaree River was used to determine the changes in bed form population succeeding a 16-year flood event. Bed forms observed during the flood event had a significantly greater total height variance than bed forms observed at the same location one week later. Variance spectra were computed for a 595 m longitudinal profile. The data indicate that: a) the bed form variance for the flood record is significantly greater for all wavelengths from 5 to 30 m; b) no well-demarcated bed form classes were present during the survey times, pointing to the possible existence of a continuum of bed form sizes rather than well-defined classes; and c) bed forms produced by the flood discharge were rapidly altered as the stage returned toward average level.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Comparison of bed form variance spectra within a meander bend during flood and average discharge |
| Series title | Journal of Sedimentary Petrology |
| DOI | 10.1306/212F798C-2B24-11D7-8648000102C1865D |
| Volume | 50 |
| Issue | 1 |
| Year Published | 1980 |
| Language | English |
| Publisher | SEPM |
| Description | 7 p. |
| First page | 149 |
| Last page | 155 |
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