Amazon River investigations, reconnaissance measurements of July 1963
Circular
486
By: Roy Edwin Oltman, H. O'R. Sternberg, F.C. Ames, and L.C. Davis
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Abstract
The first measurements of the flow of the Amazon River were made in July 1963 as a joint project of the University of Brazil, the Brazilian Navy, and the U.S. Geological Survey. The discharge of the Amazon River at Obidos was 7,640,000 cfs at an annual flood stage somewhat lower than the average. For comparison the maximum known discharge of the Mississippi River at Vicksburg is about 2,300,000 cfs. Dissolved-solids concentrations and sediment loads of the Amazon River and of several major tributaries were found to be low.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Amazon River investigations, reconnaissance measurements of July 1963 |
| Series title | Circular |
| Series number | 486 |
| DOI | 10.3133/cir486 |
| Year Published | 1964 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | iii, 15 p. :illus., maps. ;27 cm. |
| Google Analytic Metrics | Metrics page |