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U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5323

Hydrology and Flood Profiles of Duck Creek and Jordan Creek Downstream from Egan Drive, Juneau, Alaska

Prepared in cooperation with the City and Borough of Juneau

By Janet H. Curran

Download the report (PDF, 2.66 MB)

Table of Contents

Conversion Factors, Datums, and Abbreviations and Acronyms

Abstract

Introduction

Description of Study Area

Hydrology of Duck and Jordan Creeks

Methods of Analysis

Flood Profiles

Summary

References Cited

Appendix A. Description of Temporary Benchmarks Placed for Survey, and Benchmarks Placed by Others and Used in Survey (Excel)

Appendix B. Coordinates and Elevations for Surveyed Points, Duck and Jordan Creeks, Alaska (Excel)

Figures

Figure 1. Location of Duck and Jordan Creeks, Juneau, Alaska.

Figure 2. Location of stream-gaging stations, bridges, and culverts along Duck and Jordan Creeks, Juneau, Alaska.

Figure 3. View of channel and structures along (A) Duck Creek at a private driveway upstream from Berners Avenue, (B) Unnamed Tributary to Duck Creek at North El Camino Street, and (C) Jordan Creek at a private driveway downstream from Jordan Avenue, Juneau, Alaska.

Figure 4. Annual maximum instantaneous peak streamflow for Duck and Jordan Creeks, Juneau, Alaska.

Figure 5. Modeled stream center lines and general elevation data for Duck and Jordan Creeks, Juneau, Alaska.

Figure 6. Locations of modeled and surveyed cross sections along (A-D) Duck Creek and (E-F) Jordan Creek, Juneau, Alaska.

Figure 7. Profile of simulated water-surface elevations and measured water-surface elevations for flow in Duck and Jordan Creeks, Juneau, Alaska, November 21, 2005.

Figure 8. Flood profiles for Duck and Jordan Creeks, and unnamed tributary to Duck Creek, Juneau, Alaska.

Figure 9. Modeled stream center lines, roads, general elevation data, and direction of inter-basin flow for Duck and Jordan Creeks between Egan Drive and Glacier Highway in Juneau, Alaska.

Tables

Table 1. Annual maximum instantaneous peak streamflow for Duck and Jordan Creeks, Juneau, Alaska.

Table 2. Peak streamflow estimated from streamflow data and regional equations for selected recurrence intervals, Duck and Jordan Creeks, Juneau, Alaska.

Table 3. Basin characteristics for Duck and Jordan Creeks, Juneau, Alaska.

Table 4. Measured streamflows and corresponding simulated streamflows using drainage-area ratios, Duck Creek, Juneau, Alaska.

Table 5. Streamflows used for hydraulic model, Duck and Jordan Creeks, Juneau, Alaska.

Table 6. Index to cross section identifiers, Duck and Jordan Creeks, Juneau, Alaska.

Table 7. Range of Manning’s n for Duck and Jordan Creeks, Alaska.

Table 8. Comparison of flood profiles at limits of study area to adjacent published profiles, Duck and Jordan Creeks, Juneau, Alaska.

This report is available online in Portable Document Format (PDF). If you do not have the Adobe Acrobat PDF Reader, it is available for free download from Adobe Systems Incorporated.

Download the report (PDF, 2.66 MB)

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Send questions or comments about this report to the author, Janet H. Curran, (907) 786-7128.

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