Size distribution of Amazon River bed sediment
Nature
By: C.F. Nordin, R.H. Meade, W. F. Curtis, N.J. Bosio, and P.M.B. Landim
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Abstract
The first recorded observations of bed material of the Amazon River were made in 1843 by Lt William Lewis Herndon of the US Navy, when he travelled the river from its headwaters to its mouth, sounding its depths, and noting the nature of particles caught in a heavy grease smeared to the bottom of his sounding weight1. He reported the bed material of the river to be mostly sand and fine gravel. Oltman and Ames took samples at a few locations in 1963 and 1964, and reported the bed material at O??bidos, Brazil, to be fine sands, with median diameters ranging from 0.15 to 0.25 mm (ref. 2). We present here a summary of particle-size analyses of samples of streambed material collected from the Amazon River and its major tributaries along a reach of the river from Iquitos in Peru, ???3,500 km above Macapa?? Brazil, to a point 220 km above Macapa??3. ?? 1980 Nature Publishing Group.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Size distribution of Amazon River bed sediment |
| Series title | Nature |
| DOI | 10.1038/286052a0 |
| Volume | 286 |
| Issue | 5768 |
| Year Published | 1980 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Nature |
| First page | 52 |
| Last page | 53 |
| Google Analytic Metrics | Metrics page |