Name: History of Dredging and Filling of Lagoons in the San Juan, Puerto Rico: Usgs Water-Resources Investigations Report 76-38 (en Inglés)
Price: 32.49 USD
Availability: InStock
Author: Ellis, S. R.
ISBN: 9781288938445

portada History of Dredging and Filling of Lagoons in the San Juan, Puerto Rico: Usgs Water-Resources Investigations Report 76-38 (en Inglés)

Formato

Libro Físico

Autor

S. R. Ellis

Editorial

Bibliogov

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

24.6 x 18.9 x 0.2 cm

Peso

0.08 kg.

ISBN13

9781288938445

Categorías

Política y gobierno

History of Dredging and Filling of Lagoons in the San Juan, Puerto Rico: Usgs Water-Resources Investigations Report 76-38 (en Inglés)

S. R. Ellis (Autor) · Bibliogov · Tapa Blanda

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Reseña del libro "History of Dredging and Filling of Lagoons in the San Juan, Puerto Rico: Usgs Water-Resources Investigations Report 76-38 (en Inglés)"

Laguna La Torrecilla, Laguna de Pinones, Laguna San Jose, and Laguna del Condado, in the San Juan, Puerto Rico area, are located within a metropolitan area of more than 1 million people. Bathymetric maps made during the study, in 1973, showed that Lagunas La Torrecilla, San Jose, and del Condado have been modified by dredging and filling; whereas, Laguna de Pinones has remained in a near natural state. Laguna La Torrecilla has been dredged to a depth, in places, of about 18 meters, and Lagunas San Jose and del Condado, in places to about 11 meters. Dredging in the San Juan lagoons has been harmful, beneficial, and in a few instances has had little or no noticeable effect on the water quality. Usually, dredging in the connecting canals has been beneficial if the water entering the lagoons through the canals was of better quality than the water in the lagoon. Dredging in the mouths of lagoons has been beneficial; whereas, filling or blocking the mouths has been harmful. (Woodard-USGS)