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<br />CONTENTS - CONTINUED <br /> <br />Page <br /> <br />3.10 Experimental procedures ............................................ 29 <br />3.10.1 Experimental unit declaration ................................. ;]:0 <br />3.10.2 Flight procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 <br />3.11 Projected duration of the experiment ................................... 80 <br />3.12 Statistical evaluation ............................................... :J:1 <br />3.12.1 Primary response variables .. 0 " " 0 0 . . 0 . .. . 0 . . . . .. .. .. .. .. .. .. .. .. D .. 0 0 .. .. .. .. .. 81 <br />3.12.2 Data stratifications ...................... D .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ~;1 <br />3.12.3 Statistical procedures.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ~;1 <br />3.13 Physical evaluation ..........................................;-.................................................... 32 <br />3.13.1 Evaluation of the cloud physics data base ........................ 32 <br />3.13.2 Processing the radar data .................................... 32 <br />3.13.3 Search for seeding effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 <br />4. Data collection, management, and reporting .................................... 35 <br /> <br />5. Bibliography ...................................................... 36 <br /> <br />TABLES <br /> <br />Table <br /> <br />2.1 Estimation of the number of cases (N) that will be required for the cold cloud <br />seeding demonstration project to reach a statistical significance level of 0.05 <br />at a power of 0.80 as function of possible seeding effect. . . . . . . . . . . . . .. . . . . . . .. .. 16 <br /> <br />2.2 Estimation of the number of cases (N) that will be required in Texas to reach a <br />statistical significance level of 0.05 at a power of 0.80 as function of possible <br /> <br />seeding effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ". . . . . . . . . . . . . . . . . . .. 16 <br /> <br />3.1 <br /> <br />Estimation of the number of samples that will be required in the warm cloud seeding <br />demonstration project to reach a statistical significance level of 0.05 for a power of <br />0.80 and 0.90, assuming an increase in rainfall caused by seeding of 10 percent <br /> <br />30 <br /> <br />FIGURES <br /> <br />Figure <br /> <br />1.1 Map of Thailand showing the area recommended for field studies and experimentation . . 2 <br />2.1 Map showing AARRP project area in northern Thailand ........................ 12 <br />2.2 The yield in ice crystals per gram of AgI as a function of temperature for two <br />pyrotechnic formulations produced by Atmospherics, Inc. of Fresno, California ....... 13 <br />2.3 The partition of the area into control area and seeding influenced area, and the <br />location of the three types of cells relative to the radar location and the <br />treatment coordinates .................................................. 19 <br />3.1 Map of northern Thailand showing the location of the radar and the two pairs of <br />target areas for the warm cloud seeding demonstration project . . . . . . . . . . . . . . . ., 28 <br /> <br />viii <br />