Scientific Investigations Report 2005–5215

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2005–5215

Estimating Streambed Seepage Using Heat as a Tracer on the Lower Boise River, Canyon County, Idaho



By Kenneth D. Skinner

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Table of Contents

Conversion Factors and Datums

Abstract

Introduction

Modeling Procedure and Data

Seepage Modeling (VS2DI)

Modeling Results

Summary

References Cited

Figures

Figure 1. Location of study area in the Lower Boise River, Canyon County, Idaho.

Figure 2. Schematic of piezometer installation, viewing the stream cross-section upstream.

Figure 3. Stream stage and ground-water head measured in transects 1-4, Lower Boise River, Canyon County, Idaho, May to August 2003.

Figure 4. Upper and lower measured and simulated water temperatures for piezometer E (Instream),transect 2 and piezometer F (far bank),transect 3, lower Boise River, Canyon County, Idaho, April – August 2003.

Figure 5. Seepage rate estimates for each of the four modeling transects, lower Boise River, Canyon County, Idaho, April – August 2003.

Figure 6. Location of three studies conducted on the lower Boise River with seepage estimates in cubic foot per second per mile for each study, Canyon County, Idaho.

Tables

Table 1. Results of slug tests performed in near-bank piezometers in four transects of the lower Boise River, Canyon County, Idaho, 2003.

Table 2. Measured minus simulated ground-water head measurements in near-bank piezometers in four transects of the lower Boise River, Canyon County, Idaho, 2003.

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Send questions or comments about this report to the author, Kenneth D. Skinner, (208) 387-1343

For more information about USGS activities in Idaho, visit the USGS Idaho Water Science Center home page .

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