WMOD00295

• Title: Guidelines for Cloud Seeding to Augment Precipitation
• Date: 1/1/1995
• Weather Modification - Doc Type: Report

LIST OF FIGURES

Figure 2.1 Flow Chart of an Economic Model for Determining the
Economic Effects of Precipitation Enhancement in the Corn Belt
(Garcia et aI. 1990) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 2.2 Potential Augmentation to Monthly Streamflow at Hatch,
Utah, Assuming a 10% Increase in Snowfall Above the 2440 m
Elevation for Dry, Wet, and Normal Years (Super and Reynolds

1991) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 2.3 Hours per Employee Required to Remove Given
Amounts of Snow in Three Colorado Counties (Sherretz and
Loehr 1983) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 2.4 Pathways Linking Events at the Abnospheric Level
(precipitation) to Those Occurring at the Terrestrial and Aquatic
Levels. The Line Weight of the Arrows Shows How Well These
Interactions are Understood, not the Strength of the Linkages
(USDI 1977b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 2..5 A Population Categorized by How Quickly Individuals
Adopt Innovations (the mean and divisions for one and two
standard deviations from the mean are indicated). Adapted with
permission from Rogers and Shoemaker (1971) . . . . . . . . . . 33

Figure 2.6 Stages in the Cloud Seeding Project Decision Process.
Asterisks Indicate Most Influential Factors (Farhar and
Fitzpatrick 1990) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 5.1 Ranges of Effectiveness Values for Aerosols Produced by
Various Methods (Garrey 1975) .. ................. 91

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