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<br />CONTENTS - Continued
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<br />2.3 Cloud and atmospheric characteristics . , . . . , . . , . . . . . , . . . . . . , . , , . , . . . 45
<br />2.3,1 General comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , , . . . . . . . . . 45
<br />2.3.2 Stability and verticle profiles of temperature,
<br />wind and relative humidity . . . . . . , . . . , . . . . . . . . . . . . . . , . . . . . . . . , 45
<br />2.3.3 Radar reflectivity . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
<br />2.3.4 Liquid water observations ..,..,............,....."......... 46
<br />2.3.4.1 General comments .........................,........ 46
<br />2.3.4.2 Analysis of radiometer data ,.....""..........,...... 47
<br />2.3.5 Analysis of ice particle measurements . . . . . . . , , . , . . . . . . . , , . . . . . . . 49
<br />2.3.5.1 General comments ...,....."....".........,....... 49
<br />2.3.5.2 The 2D data analysis ..............".........,.,.... 49
<br />2.3,6 Gauge precipitation data analysis. . . . , , . , . , , , , . . . . . . . . . . . . , . . . . 51
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<br />2.4 Ground seeding analysis ,.......,................"....,.,...... 51
<br />2.4.1 General comments . , , . . . . . . . . . . . . . . . . . . . . . . . , , , . . . . . , . . . . . . 51
<br />2.4.2 Essential data . . . . . . . . . , . . . . . . . . . , . . . . . , . . . . , , , . . . . , . . . . . . . 52
<br />2.4.3 Determination of seeding plumes , , , . . . . . . , , . , , , , , , , . . . . . . . , , . , 52
<br />2.4.4 Seeding effects on cloud microphysics ...,.......,.......,.,.,.. 53
<br />2.4.5 Seeding effects on precipitation ".......,........." . . . . . . , . . . 54
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<br />2.5 Aircraft seeding analysis ....,.........,........,.,...,.......... 55
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<br />2.6 Other studies . . . . , . . , . , . . . , . . . . , . . . . . , . . . . . , . , . . . . . . . . . . , . . . . . 56
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<br />2,7 Refinement of treatment strategies ....,.......,.."......"..,., . . 56
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<br />2.8 Contributions to randomized program design ..,.........".......... 57
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<br />3. Bibliography. . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . , . . . . . . . . , . . 65
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<br />J
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<br />TABLES
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<br />Table
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<br />1-1 Along-the-wind plume spreading (from Hill, 1980) ........,.........,. 24
<br />1-2 Distributions of hourly cloud liquid water fluxes and corresponding
<br />precipitation rates assuming all the flux is converted to uniformly
<br />deposited precipitation over a lO-km distance .................,.... 32
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<br />ix
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