Frequency-duration analysis of dissolved-oxygen concentrations in two southwestern Wisconsin streams
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Abstract
Historically, dissolved-oxygen (DO) data have been collected in the same manner as other water-quality constituents, typically at infrequent intervals as a grab sample or an instantaneous meter reading. Recent years have seen an increase in continuous water-quality monitoring with electronic dataloggers. This new technique requires new approaches in the statistical analysis of the continuous record. This paper presents an application of frequency-duration analysis to the continuous DO records of a cold and a warm water stream in rural southwestern Wisconsin. This method offers a quick, concise way to summarize large time-series data bases in an easily interpretable manner. Even though the two streams had similar mean DO concentrations, frequency-duration analyses showed distinct differences in their DO-concentration regime. This type of analysis also may be useful in relating DO concentrations to biological effects and in predicting low DO occurrences.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Frequency-duration analysis of dissolved-oxygen concentrations in two southwestern Wisconsin streams |
| Series title | Water Resources Bulletin |
| DOI | 10.1111/j.1752-1688.1995.tb04031.x |
| Volume | 31 |
| Issue | 3 |
| Year Published | 2007 |
| Language | English |
| Publisher | American Water Resources Association |
| Description | 8 p. |
| First page | 431 |
| Last page | 438 |
| Country | United States |
| State | Wisconsin |
| County | Dane County, Grant County |
| Other Geospatial | Garfoot Creek, Rattlesnake Creek |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |