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Development of a Traveltime Prediction Equation for Streams in Arkansas : Usgs Scientific Investigations Report 2004-5064 by Jaysson E. Funkhouser (2013, Trade Paperback)

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During 1971 and 1981 and 2001 and 2003, traveltime measurements were made at 33 sample sites on 18 streams throughout northern and western Arkansas using fluorescent dye. Most measurements were made during steady-state base-flow conditions with the exception of three measurements made during near steady-state medium-flow conditions (for the study described in this report, medium-flow is approximately 100-150 percent of the mean monthly streamflow during the month the dye trace was conducted). These traveltime data were compared to the U.S. Geological Surveys national traveltime prediction equation and used to develop a specific traveltime prediction equation for Arkansas streams. In general, the national traveltime prediction equation yielded results that over-predicted the velocity of the streams for 29 of the 33 sites measured. The standard error for the national traveltime prediction equation was 105 percent. The coefficient of determination was 0.78. The Arkansas prediction equation developed from a regression analysis of dye-tracing results was a significant improvement over the national prediction equation. This regression analysis yielded a standard error of 46 percent and a coefficient of determination of 0.74. The predicted velocities using this equation compared better to measured velocities. Using the variables in a regression analysis, the Arkansas prediction equation derived for the peak velocity in feet per second was: (Actual Equation Shown in report) In addition to knowing when the peak concentration will arrive at a site, it is of great interest to know when the leading edge of a contaminant plume will arrive. The traveltime of the leading edge of a contaminant plume indicates when a potential problem might first develop and also defines the overall shape of the concentration response function. Previous USGS reports have shown no significant relation between any of the variables and the time from injection to the arrival of the leading edge of the dye plume. For this report, the analysis of the dye-tracing data yielded a significant correlation between traveltime of the leading edge and traveltime of the peak concentration with an R2 value of 0.99. These data indicate that the traveltime of the leading edge can be estimated from: (Actual Equation Shown in Report)

Product Identifiers

Publisher
Creative Media Partners, LLC
ISBN-10
1288879822
ISBN-13
9781288879823
eBay Product ID (ePID)
159995987

Product Key Features

Book Title
Development of a Traveltime Prediction Equation for Streams in Arkansas : Usgs Scientific Investigations Report 2004-5064
Author
Jaysson E. Funkhouser
Format
Trade Paperback
Language
English
Topic
General
Publication Year
2013
Genre
Political Science
Number of Pages
28 Pages

Dimensions

Item Length
9.7in
Item Height
0.1in
Item Width
7.4in
Item Weight
2.6 Oz

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Development of a Traveltime Prediction Equation for Streams in Arkansas : Usgs Scientific Investigations Report 2004-5064 by Jaysson E. Funkhouser (2013, Trade Paperback)

About this product

Product Information

Product Identifiers

Product Key Features

Dimensions

Best Selling in Books

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The Empyrean Ser.: Iron Flame by Rebecca Yarros (2023, Hardcover)

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Save on Books

Sailor Moon Raisonne ART WORKS 1991 - 2023 Normal Edition 9784065309094

The 4Hour Body: An Uncommon Guide To Rapid By Timothy Ferriss.........

The Geneva Bible 1560 Edition with Apocrypha: Large Text Bible English Complete

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