Hydrologic and water-quality data for the lower Bradley River, Alaska, November through April 1995-98
Open-File Report
98-385
By: Ronlad L. Rickman
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Abstract
A dam constructed at the outlet of Bradley Lake near Homer, Alaska has blocked natural flows to the lower Bradley River. To protect salmon egg incubation habitat during the period of November 2 to April 30, a fish-water bypass was incorporated into the design of the dam to ensure a minimum discharge of 40 cubic feet per second in the lower river. This minimum flow determination was based on an open-water instream flow study that did not take into account effects of ice formation. A study was begun in March 1993 to determine winter flow conditions in the lower Bradley River. As a part of this study, data were collected at sites in the lower Bradley River to measure discharge, wetted perimeter, water depth, flow velocity, and specific conductance, as well as temperature and dissolved oxygen from both surface water and intragravel water. This report presents data collected between November 1995 and April 1998.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Hydrologic and water-quality data for the lower Bradley River, Alaska, November through April 1995-98 |
| Series title | Open-File Report |
| Series number | 98-385 |
| DOI | 10.3133/ofr98385 |
| Edition | - |
| Year Published | 1998 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey ; Branch of Information Services [distributor], |
| Description | iv, 38 p. :ill., maps ;28 cm.; 12 illus.; 2 plates; 2 tables |
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