WMOD00453

• Project Name: Park Range Atmospheric Water Resources Program
• Title: Park Range Atmospheric Water Resources Program - Phase I
• Date: 1/1/1967
• Weather Modification - Doc Type: Report

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~ SLOP! I'OR AGREEMENT 01' RATE INTEGRAL I I
/'" ANO SNOWBOARD TOTAL, MARCH 18-17 STORM I
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C' C SLOP! FOR AGREEMENT OF RATE INTEGRAL AND I I
SNOWIOARD TOTAL, MARCH 23 LT, SNOW, STELLAR PLATES I I
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III. FACILITIES AND EQUIPMENT

{. SENSOR NO.1
MARCH 16-17 I:J
SENSOR NO.2

MARCH 22

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SLOPE FOR AGREEMENT OF RATE INTEGRAL
AND SNOW BOARD TOTAL. \\lARCH 22 STORM

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SNOW RATE - INCHES WATER I HOUR

NOTE: Ii'LOTTED POINTS WERE DETERMINED FROM 10 ft.2 PLASTIC SHEETS AT 2 min.
SAMPLING PERIODS.

Figure 29.-0ptical Snow-rate Sensor Calibration Curve.

large and variable diversions in these watersheds.
The U.S. Geological Survey will install gages during
the summer so that data can be collected in Phase
II. The streams to be gaged are:

Big Creek, Spring Creek, Fish Creek. Walton Creek. and
Service Creek,

Big Creek and Service Creek will be used as controls
on Spring, Fish and Walton Creeks which drain the
target watershed.

Artificial Nuclei Generators
The first test with an artificial nuclei generator
was conducted on 9 April 1965 from Emerald Moun-
tain using a generator loaned to us by Colorado
State University, figure 35. Its nominal output is
1015 particles/gram at _200 C using a 4 percent
AgI-acetone solution at 400 ml./hr. flow rate and
5 psi propane pressure.
We have constructed two other types of genera-
tors for test purposes and possible use in Phase II