WSP04649

• File Number: 8276.150
• Description: Grand Valley Unit-Colorado River Basin Salinity Control Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 2/1/1990
• Title: Draft 1989 Annual Report: Grand Valley Salinity Control Project Monitoring and Evaluation Program
• Water Supply Pro - Doc Type: Annual Report

r-'j
C'-.l
""
o

--.I

.-#>_,

.

.

TABLE OF CONTENTS

1 nt roduc t i on ................................................
Object i ves ..................................................

Paqe
1
1

Part 1. Irrigation Monitoring and Evaluation
Background.......................................... 3
ObJect i ves .......................................... 3
Scope ............................................... 4
Methodo logy ......................................... 4
Measurements and Calculations ....................... 6
Irrigation Monitoring Sites ......................... 7
1989 Monitoring Sites ........................ 8
Equipment Changes and Problems ...................... 8
Atmometer.................................... 9
Results and Discussion .............................. 9
Alfalfa...................................... 16

Corn......................................... 19
Sma I I Gra in. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Orchard ...................................... 20
Grapes ....................................... 21
Beans ........................................ 22
Con c Ius ion s ......................................... 23

Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.

TABLES

Irrigation Monitoring Sites, 1985-1989 ............ 5
1989 Annual Summary............................... 10
Five-Year Summary of Irrigation Monitoring Data ... 12
Acceptable and Actual Deep Percolation for
Different Crops............................... 12
Comparison of Site Data, 1985-1989 ................ 14
Five-Year Summary of Irrigation Monitoring Data

by Crops...................................... 15
Mesa County Fact Sheet ............................ 17
1989 Deep Percolation for Surface Systems ......... 18

FI GURES

Figure 1. General Location of 1989 Irrigation Monitoring
Sites in the Grand Va I lev ...................... 2