USGS

Preliminary Assessment of Streamflow Requirements for Habitat Protection for Selected Sites on the Assabet and Charles Rivers, Eastern Massachusetts

U.S. Geological Survey Open-File Report 02-340

By Gene W. Parker and David S. Armstrong


This report is also available in pdf.

CONTENTS

Abstract

Introduction

Purpose and Scope

Description of Study Area

Acknowledgments

Methods for Determining Streamflow Requirements for Habitat Protection

R2Cross Method

Wetted-Perimeter Method

Water-Surface-Profile Modeling

Preliminary Streamflow Requirements for Habitat Protection

Danforth Brook at Hudson

Great Brook near Bolton

Elizabeth Brook near Stow

Mine Brook near Franklin

Charles River at Medway

Comparison of Streamflow Requirements and Methods

Summary and Conclusions

References Cited

 

FIGURES

  1. Map showing location of habitat-assessment riffle reaches in and five streamgaging stations near the Assabet River and Charles River Basins, Massachusetts
  2. Diagram showing (A) stream channel for River Station 173.65 and (B) relation between wetted perimeter and discharge at Mine Brook near Franklin

3-7. Photograph showing:

  1. Danforth Brook at Hudson, looking upstream
  2. Great Brook near Bolton, looking upstream
  3. Elizabeth Brook near Stow, looking downstream
  4. Mine Brook near Franklin, looking downstream
  5. Charles River at Medway, looking downstream. Photo (A) is of the upstream riffle and (B) is of the downstream riffle study reach
  6. Box plots showing distribution of streamflow requirements determined by R2Cross and Wetted-Perimeter methods
  7. Graph showing daily discharge for the streamgaging station at Nashoba Brook near Acton (01097300) for the period 1963 to 2001 compared to median streamflow requirements estimated by the R2Cross and Wetted-Perimeter methods, Assabet and Charles Rivers
  8. Box plots showing distribution of mean monthly discharges for the period 1969-98 for streamgaging stations 01096000, 01097300, 01105600, 01111500, and 01175670 compared with median streamflow requirements estimated by the R2Cross and Wetted-Perimeter methods for five riffles in the Assabet and Charles River Basins

TABLES

  1. Location and characteristics of riffle reaches, Assabet and Charles Rivers, Massachusetts
  2. R2Cross hydraulic criteria for protection of aquatic habitat
  3. Required streamflows for habitat protection determined by means of the R2Cross method
  4. Required streamflows for habitat protection determined by means of the Wetted-Perimeter method
  5. Summary of R2Cross and Wetted-Perimeter method streamflow requirements for five riffle sites, Assabet and Charles Rivers
  6. Indicators of Hydrologic Alteration for the 1969 to 1998 period for the streamgaging station at Nashoba Brook near Acton (01097300)
  7. Median streamflow requirements estimated by the Tennant technique from the combined records of streamgaging stations 01096000, 01097300, 01105600, 01111500, and 01175670
  8. Hydraulic variables simulated by the HEC-RAS model for Danforth Brook at Hudson
  9. Hydraulic variables simulated by the HEC-RAS model for Great Brook near Bolton
  10. Hydraulic variables simulated by the HEC-RAS model for Elizabeth Brook near Stow Table
  11. Hydraulic variables simulated by the HEC-RAS model for Mine Brook near Franklin
  12. Hydraulic variables simulated by the HEC-RAS model for Charles River at Medway

CONVERSION FACTORS AND VERTICAL DATUM

CONVERSION FACTORS

Multiply By To obtain
cubic foot per second (ft3/s) 0 .02832 cubic meter per second (m3/s)
cubic foot per second per square mile (ft3/s/mi2) 0 .01093 cubic meter per second per square kilometer (m3/s/km2)
foot (ft) 0 .3048 meter (m)
foot per second (ft/s) 0 .3048 meter per second (m/s)
mile (mi) 1 .609 kilometer (km)
square foot (ft2) 0 .09290 square meter (m2)
square mile (mi2) 259   hectare
square mile (mi2) 2 .590 square kilometer (km2)
VERTICAL DATUM

Datum: Local datums used in this report were arbitrarily set at the time of the fieldwork and are not referenced to any National Geodetic Vertical Datum.

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For additional information.

 

Chief, Massachusetts-Rhode Island District

U.S. Geological Survey
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Northborough, MA 01532

 

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