A reconnaissance of the effects of a forest fire on water quality in Kings Canyon National Park, California
Open-File Report
76-497
By: Ray J. Hoffman and Rodger F. Ferreira
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Abstract
Following two forest fires in the Roaring River drainage basin, Kings Canyon National Park, Calif., water samples were collected from May to July 1974 to determine water-quality changes resulting from the fires. Field measurements included alkalinity , pH, specific conductance, temperature, and discharge. Samples were analyzed in the laboratory for major dissolved chemical constituents, selected plant nutrients, trace metals, suspended sediment, total organic carbon, and seston. Periphytic algae and benthic invertebrate samples were collected. A noticeable increase in the concentration of nitrogen was found in Roaring River immediately downstream from the Moraine Creek fire. The increase in the concentration of inorganic nitrogen compounds, however, was not great enough to pose a serious threat to the aquatic ecosystem. High total organic nitrogen concentrations may have been due, in part, to factors other than the effect of fire. The results of other water-quality measurements were typical of dilute Sierra Nevada streams and indicate that Roaring River was not adversely affected by the fires. (Woodard-USGS)
Suggested Citation
Hoffman, R., Ferreira, R.F., 1976, A reconnaissance of the effects of a forest fire on water quality in Kings Canyon National Park, California: U.S. Geological Survey Open-File Report 76-497, iv, 17 p. :ill., maps ;27 cm.; (18 p. - PGS), https://doi.org/10.3133/ofr76497.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | A reconnaissance of the effects of a forest fire on water quality in Kings Canyon National Park, California |
| Series title | Open-File Report |
| Series number | 76-497 |
| DOI | 10.3133/ofr76497 |
| Year Published | 1976 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | iv, 17 p. :ill., maps ;27 cm.; (18 p. - PGS) |