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Last modified
7/28/2009 2:32:23 PM
Creation date
4/11/2008 3:38:50 PM
Metadata
Fields
Template:
Weather Modification
Contract/Permit #
14-06-D-6467
Title
An Operational Adaptation Program for the Colorado River Basin
Prepared By
Lewis O. Grant, Chappell, Crow, Mielke Jr., Rasmussen, Shobe, Stockwell, Wykstra
Date
10/1/1969
State
CO
Country
United States
Weather Modification - Doc Type
Report
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<br />Figure <br /> <br />1 <br /> <br />2 <br /> <br />3 <br /> <br />4 <br /> <br />5 <br /> <br />6 <br /> <br />7 <br /> <br />8 <br /> <br />9 <br /> <br />10 <br /> <br />11 <br /> <br />12 <br /> <br />13 <br /> <br />14 <br /> <br />15 <br /> <br />16 <br /> <br />17 <br /> <br />18 <br /> <br />19 <br /> <br />20 <br /> <br />LIST OF FIGURES <br /> <br />Relationship of ice crystal con.centration, ice crystal size, cloud top tem- <br />perature, and vertical motion which optimizes the efficiency of cloud water <br />utilization. <br /> <br />Concentration of effective ice nuclei as a function of temperature. <br /> <br />The deficit (below) and excess (above) in effective ice nuclei concentration <br />required to optimize the precipitation efficiency for various crystal sizes <br />and upward speeds as a function of the cloud top temperature. <br /> <br />Relationship between the ratio of ice crystal concentration to corresponding <br />ice nuclei concentration as a function of temperature. Crystal habitats <br />according to Magono and Lee (1966). <br /> <br />Mean daily snowfall related to cloud top temperatures (500 mb) at Climax <br />and Wolf Creek Pass, Colorado. Snowfall is computed using a running <br />mean over a two-degree temperature intervaL <br /> <br />Mass of a crystal after 50 to 130 seconds of growth as a function of environ- <br />mental temperature. <br /> <br />Observed terminal velocities of various crystal habits as a function of <br />crystal size. <br /> <br />Upper Colorado River Drainage Basin. <br /> <br />Dolores River drainage looking N.E. towards Mt. Wilson from 13,000 ft. <br /> <br />San Juan River drainage. Highway goes to pagosa Springs to the right. <br />Looking north from 13,500 ft. Piedra River Drainage. <br /> <br />From over Placerville looking east; San Miguel River Drainage from 13, 500 <br />ft., also showing Telluride, Colorado (circled). <br /> <br />Streamflow during 1968 snow..melt season measured on Vallecito Creek, <br />station 9-3529, elevation 7,906 feet sm1., indicating nearly all of snow- <br />melt runoff took place after aerial photographs made May 22, 1968. <br /> <br />Gunnison River drainage, Black Mesa in foreground, looking north from <br />13, 000 ft. <br /> <br />Yampa River drainage, Fish Creek. <br /> <br />Colorado State University mountain laboratory atop Chalk Mountain near <br />Climax, Colorado, 12,000 ft. msl (close-up during fall season). <br /> <br />Colorado State University mountain laboratory atop Chalk Mountain near <br />Climax, 12, 000 ft. msl (winter season). <br /> <br />Access road to Colorado State University mountain laboratory near Climax <br />(winter). <br /> <br />Access road to Colorado State University mountain laboratory near Climax <br />(summer). <br /> <br />Schaefer Hut atop Elk Mountain in Southern Wyoming, 11, 162 ft. ms1. Photo <br />courtesy of Bureau of Reclar:nation. <br /> <br />Radiosonde release from Nike-Ajak radar station on top of Mountain Harris. <br />Photo courtesy of Bureau of Reclamation. <br /> <br />.viii <br /> <br />Page Numbers <br /> <br />8 <br /> <br />8 <br /> <br />9 <br /> <br />9 <br /> <br />10 <br /> <br />12 <br /> <br />13 <br /> <br />28 <br /> <br />29 <br /> <br />29 <br /> <br />30 <br /> <br />30 <br /> <br />31 <br /> <br />31 <br /> <br />32 <br /> <br />32 <br /> <br />33 <br /> <br />33 <br /> <br />34 <br /> <br />34 <br />
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