Streamflow and water-quality data for Lake Purdy and its tributaries, Jefferson and Shelby Counties, Alabama, water years 1987-91
Open-File Report
93-498
By: V.E. Stricklin
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Abstract
An investigation was begun in North Carolina in 1988 to: (1) quantify nutrient, sediment, and freshwater loadings in canals that collect drainage from cropland field ditches; (2) determine the effects of tide gates and flashboard risers on these loadings and on receiving-water quality; and (3) characterize the effects of drainage on the salinity regime of a tidal creek. Data were collected in three canals in Hyde County, three canals in Beaufort County, and in Campbell Creek, which receives drainage directly from two of the Beaufort County canals. Water-control structures were placed on two of the six canals near the beginning of the investigation. Following about 2 years of data collection, control structures were placed on the remaining four canals. Hydrologic and water-quality data are presented for each of the study sites for the period of October 1990 through May 1992. Data presented in this report cover the second phase of the investigation after the installation of water-control structures in the six drainage canals. Following a description of the study sites and data-collection methods, data are presented for five of the drainage canals and Campbell Creek. Data collection was discontinued at one of the Beaufort County sites after the first phase of the investigation. The data collected include: (1) daily values of accumulated precipitation; (2) water-level statistics; (3) daily mean values of discharge in the canals; (4) biweekly water-quality measurements and sample analyses; (5) storm-event water-quality measurements and sample analyses; (6) continuous records of specific conductance in the canals; (7) vertical profiles of salinity in Campbell Creek; and (8) daily mean values of salinity at five sites in Campbell Creek.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Streamflow and water-quality data for Lake Purdy and its tributaries, Jefferson and Shelby Counties, Alabama, water years 1987-91 |
| Series title | Open-File Report |
| Series number | 93-498 |
| DOI | 10.3133/ofr93498 |
| Edition | - |
| Year Published | 1993 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor], |
| Description | iv, 32 p. :ill., maps ;28 cm. |
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