7344

• UCREFRP Catalog Number: 7344
• Author: Veenhuis, J. E. and D. E. Hillier.
• Title: Impact of Reservoir-Development Alternatives on Streamflow Quantity in the Yampa River Basin, Colorado and Wyoming.
• USFW Year: 1982.
• USFW - Doc Type: Lakewood, Colorado.
• Copyright Material: NO

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CONTENTS

Page

Abstract----------------------------------------______---------------------- 1

Introduction---------------------~--------------______---------------------- 1

Model description------------------------------~----------__------~--------- 3
Data availability-------------------------------------_____----------------- 4
Streamflow records----------------------------------------------------- 4
Precipitation records-------------------------------------------------- 4
Evaporation records--------------------------------------~------------- 4
Consumptive use and existing surface-water diversions------------------ 9
Reservoir geometry----------------------------------------------------- 9
Alternative reservoir configurations studied-------------------------------- 9
Proposed diversions used in the model--------------------------------------- 11
Agricultural diversions------------------------------------------------ 12
Industrial and municipal diversions------------------------------------ 12
Transmountain diversions----------------------------------------------- 12
Model verification---------------------------------------------------------- 14
Model simulations----------------------------------------------------------- 14

Model results-----------------------------------____________---------------- 18

Summary------------------------------------___________---------------------- 69

Selected references--------------------------------------------------------- 71

ILLUSTRATIONS

Figure 1. Map showing location of some representative proposed reservoirs
and control points used in multireservoir-model ing analysis---- 2
2. Map showing location of streamflow-gaging and climatological
stations having records used in multireservoir-modeling

analysis------------------------------------------------------- 5

3. Graph showing periods of record for streamflow data used in the
multireservoir-modeling analysis------------------------------- 6
4-6. Graphs showing simulated and measured mean annual streamflow at:
4. Control point 39, Yampa River at Steamboat Springs, Colo.,
1927-76 water years-------------------------------------- 15
5. Control point 18, Yampa River near Maybell, Colo., 1927-76

water years---------------------------------------------- 16

6. Control point 42, Little Snake River near Lily, Colo.,
1927-76 water years-------------------------------------- 17

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TABLES

Table 1. Monthly evaporation rates used for reservoirs in the Yampa River

basin----------------------------------------------------------- 8

2. Assumed monthly schedules for proposed and existing agricultural

diversions------------~----~------------------------------------ 10

3. Proposed reservoirs used in model analysis------------------------ 11

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