Sedimentation Survey of Lago El Guineo, Puerto Rico, October 2001
Water-Resources Investigations Report
2003-4093
By: Luis R. Soler-Lopez
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Abstract
Lago El Guineo has lost about 17.5 percent of its original storage capacity in 70 years because of sediment accumulation. The water volume has been reduced from 2.29 million cubic meters in 1931, to 2.03 million cubic meters in 1986, and to 1.89 million cubic meters in 2001. The average annual storage-capacity loss (equal to the sedimentation rate) of Lago El Guineo was 4,727 cubic meters for the period of 1931 to July 1986 (or 0.21 percent per year), increasing to 5,714 cubic meters for the period of 1931 to October 2001 (or 0.25 percent per year). Discrepancies that could lead to substantial errors in volume calculations in a small reservoir like Lago El Guineo, were found when transferring the field-collected data into the geographic information system data base 1:20,000 U.S. Geological Survey Jayuya, Puerto Rico quadrangle. After verification and validation of field data, the Lago El Guineo shoreline was rectified using digital aerial photographs and differential global positioning data.
Suggested Citation
Soler-Lopez, L.R., 2003, Sedimentation Survey of Lago El Guineo, Puerto Rico, October 2001: U.S. Geological Survey Water-Resources Investigations Report 2003-4093, 21 p., 2 pls, https://doi.org/10.3133/wri034093.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Sedimentation Survey of Lago El Guineo, Puerto Rico, October 2001 |
| Series title | Water-Resources Investigations Report |
| Series number | 2003-4093 |
| DOI | 10.3133/wri034093 |
| Year Published | 2003 |
| Language | ENGLISH |
| Description | 21 p., 2 pls |