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Show TABLE OF CONTENTS Section 1.0 SUMMARY OF PURPOSE, DESIGN, AND CONCLUSIONS 1 1. 1 1. 2 Objectives of the Project Experimental Design 1 1 1. 2. 1 1. 2. 2 1 3 1. 3 Development and Use of Special Equipment and Observing Techniques 1. 3. 1 1. 3. 2 1. 3. 3 1. 3. 4 1. 3. 5 1. 3. 6 1. 4 1. 5 1. 6 2. 0 Pulsed Seeding Design Randomized Seeding Design Precipitation Rate Measurements Ice Nucleus Measurements and Inert Tracers Snow Sample Collection and Analysis Replica Analysis and Identification of Silver Iodide Ice Nuclei Radar and Radiosonde Measurements Diffusion Tests Analysis Procedures Summary of Conclusions Report Outline INSTRUMENTATION, OPERATIONS, AND DATA COLLECTION 2. 1 2. 2 2. 3 2. 4 2. 5 Nuclei Generation FM/FM Tone Telemetry Controller Aircraft Operations Radiosonde Releases Radar Observations 2. 5. 1 2. 5. 2 2. 2. 2. 2. 6 7 8 9 Introduction Method of Obtaining Data Snow Crystal Replica Collection and Analysis Identification of Silver Iodide Particles as Ice Nuclei Silver Content of Snow Water Snow Sensor Network ii 3 3 3 3 4 4 4 4 5 5 7 7 18 18 19 19 19 21 22 22 23 26 4, 0 |