| Abstract: | This report provides equations for estimating mean annual streamflow, mean monthly streamflows, harmonic mean streamflow, and streamflow quartiles (the 25th-, 50th-, and 75th-percentile streamflows) as a function of selected basin characteristics for rural, unregulated streams in Ohio. The equations were developed from streamflow statistics and basin-characteristics data for as many as 219 active or discontinued streamflow-gaging stations on rural, unregulated streams in Ohio with 10 or more years of homogenous daily streamflow record. Streamflow statistics and basin-characteristics data for the 219 stations are presented in this report.
Simple equations (based on drainage area only) and best-fit equations (based on drainage area and at least two other basin characteristics) were developed by means of ordinary least-squares regression techniques. Application of the best-fit equations generally involves quantification of basin characteristics that require or are facilitated by use of a geographic information system. In contrast, the simple equations can be used with information that can be obtained without use of a geographic information system; however, the simple equations have larger prediction errors than the best-fit equations and exhibit geographic biases for most streamflow statistics. The best-fit equations should be used instead of the simple equations whenever possible. |
| Genre: | USGS Numbered Series |
| ProdID: | 33045 |
| Citation Author: | Koltun, G. F.; Whitehead, Matthew T. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 50 p. |
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| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 2002-4068 |
| Citation Search Results Text: | Techniques for estimating selected streamflow characteristics of rural unregulated streams in Ohio; 2002; WRI; 2002-4068; Koltun, G. F.; Whitehead, Matthew T. |
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| Citation Year: | 2002 |
| Type: | citation/reference |
| Text: | Techniques for estimating selected streamflow characteristics of rural unregulated streams in Ohio; 2002; WRI; 2002-4068; Koltun, G. F.; Whitehead, Matthew T. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| URL (INDEX PAGE): | http://oh.water.usgs.gov/reports/Abstracts/wrir02-4068.html |
| Date Other: | Wed, 1 May 2002 00:00 -0500 |
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