| Abstract: | I??le de la Gona??ve is a 750-km2 island off the coast of Haiti. The depth to the water table ranges from less than 30 m in the Eocene and Upper Miocene limestones to over 60 m in the 300-m-thick Quaternary limestone. Annual precipitation ranges from 800-1,400 mm. Most precipitation is lost through evapotranspiration and there is virtually no surface water. Roughly estimated from chloride mass balance, about 4% of the precipitation recharges the karst aquifer. Cave pools and springs are a common source for water. Hand-dug wells provide water in coastal areas. Few productive wells have been drilled deeper than 60 m. Reconnaissance field analyses indicate that groundwater in the interior is a calcium-bicarbonate type, whereas water at the coast is a sodium-chloride type that exceeds World Health Organization recommended values for sodium and chloride. Tests for the presence of hydrogen sulfide-producing bacteria were negative in most drilled wells, but positive in cave pools, hand-dug wells, and most springs, indicating bacterial contamination of most water sources. Because of the difficulties in obtaining freshwater, the 110,000 inhabitants use an average of only 7 L per person per day. ?? Springer-Verlag 2004. |
| Genre: | Article |
| ProdID: | 70026890 |
| Citation Author: | Troester, J. W.; Turvey, M. D. |
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| Citation End Page: | 236 |
| Citation Issue: | 2 |
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| Citation Language: | English |
| Citation Larger Work Title: | Hydrogeology Journal |
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| Citation Number Of Pages: | 13 |
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| Citation Search Results Text: | Water-resources reconnaissance of I??le de la Gona??ve, Haiti; 2004; Article; Journal; Hydrogeology Journal; Troester, J. W.; Turvey, M. D. |
| Citation Start Page: | 224 |
| Citation Volume: | 12 |
| Citation Year: | 2004 |
| Type: | citation/reference |
| Text: | Water-resources reconnaissance of I??le de la Gona??ve, Haiti; 2004; Article; Journal; Hydrogeology Journal; Troester, J. W.; Turvey, M. D. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Thu, 1 Jan 2004 00:00 -0600 |
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