9317

• UCREFRP Catalog Number: 9317
• Author: Spahr, N. E., L. E. Apodaca, J. R. Deacon, J. B. Bails, N. C. Bauch, C. M. Smith and N. E. Driver.
• Title: Water Quality in the Upper Colorado River Basin, Colorado, 1996-98.
• USFW Year: 2000.
• USFW - Doc Type: Denver.
• Copyright Material: NO

CONTENTS

Page

Abstract ......................................................... 1

Introduction ..................................................... 1

Me thods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . 1
Debris flows from three tributaries.... .......... .......... .... ... 3

Discussion and cOl,clusions. . . . . . . . . . " . . . . . . . . . . . . . . . . . " . . . . . . . . . 5

References cited.................................................. 5

FIGURES

Figure 1. Kap showing areas of study in Grand Canyon
National Park, Arizona................................ 2
2. Schematic diagraa showing geomorphic features
of a typical rapid controlled by debris
flows on the Colorado River........................... 6

Page

CORVEllSIOR PACTOIlS

For readers who prefer to use the IHtric (International System)
units, the conversion factors for the inch-pound units used in this report
are listed below:

Kultiolv inch-oound unit

Ix

To obtain metric unit

foot (ft)
- ~aileu (..1.)-- . ._- _,_ ___,__, "_u
cubic foot (ftS)
cubic foot per second
(ft'/s)
ton

0.3048. ... ___~~e...teL(IIl)_.
-T~60"9----<------- kilometer (kill)
0.2832 cubic meter (m3)
0.02832 cubic meter per second
(m3/s)
0.9072 megagram (Kg)

Sea level: In this report "sea level" refers to the National Geodetic
Vertical Oaeu. of 1929 (NGVD of 1929)--A geodetic datum derived from a
leneral adjust.ent of the first-order level nets of both the United States
and Canada, fonerl)' called "Hean S,'a Level of 1929."

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