CONTENTS -- LIST OF TABLES -- LIST OF FIGURES -- FOREWORD -- DEDICATION -- SECTION 1-EXECUTIVE SUMMARY -- 1.1 INTRODUCTION -- 1.2 WHY SEED CLOUDS? -- 1.3 APPROACHES AND RESTRICTIONS TO SEEDING CLOUDS -- 1.4 SCIENTIFIC BASIS FOR CLOUD SEEDING -- 1.5 THE CONDUCT OF CLOUD SEEDING OPERATIONS -- 1.6 HOW TO INITIATE A CLOUD SEEDING PROJECT -- 1.7 CONCLUSIONS -- 1.8 REFERENCES -- SECTION 2-SOCIETAL, ENVIRONMENTAL, AND ECONOMIC ASPECTS OF PRECIPITATION ENHANCEMENT BY CLOUD SEEDING -- 2.1 INTRODUCTION -- 2.2 SOCIETAL ASPECTS -- 2.2.1 Studies -- 2.2.2 The Diffusion of Innovations and Cloud Seeding -- 2.2.3 Assessing Public Attitudes -- 2.2.4 Assessing Community Dynamics -- 2.2.5 Decision Processes -- 2.2.6 Public Participation Procedures -- 2.3 ENVIRONMENTAL ASPECTS -- 2.3.1 Historical Perspective -- 2.3.2 The Concept of Cumulative Effects -- 2.3.3 Case Study-The Sierra Ecology Project -- 2.3.4 Case Study-Environmental Impact Statement for a Prototype Project -- 2.4 ECONOMIC ASPECTS -- 2.4.1 Deciding the Goal and Scale of Economic Analysis -- 2.4.2 Economic Aspects of Summer Cloud Seeding -- 2.4.3 Economic Aspects of Winter Cloud Seeding -- 2.5 CONCLUSIONS -- 2.6 REFERENCES -- SECTION 3-LEGAL ASPECTS OF WEATHER MODIFICATION OPERATIONS -- 3.1 INTRODUCTION -- 3.2 PRE-OPERATIONAL PLANNING -- 3.2.1 Role of Regulatory Entities in the States -- 3.2.2 Weather Modification Licenses -- 3.2.3 Weather Modification Permits -- 3.2.4 Impacts of Environmental Laws and Rules -- 3.2.5 Contractual Agreements among Sponsors and Operators -- 3.3 CONDUCTING OPERATIONS -- 3.3.1 Operational Control -- 3.3.2 Archival of Data and Information -- 3.3.3 Reporting Procedures -- 3.4 EVALUATING OPERATIONS -- 3.4.1 Legal Liabilities for Sponsors and Operators -- 3.4.2 Water Rights -- 3.5 CONCLUSIONS -- 3.6 REFERENCES -- SECTION 4-THE SCIENTIFIC BASIS -- 4.1 INTRODUCTION.

4.2 THE NATURAL PRODUCTION OF RAIN -- 4.2.1 Formation of Cloud Condensate -- 4.2.2 Cloud Initiation and Colloidal Stability -- 4.2.3 Initiation and Evolution of Precipitation -- 4.3 CLOUD SEEDING TO AUGUMENT RAINFALL -- 4.3.1 Seeding to Enhance the Warm Cloud Process (Hygroscopic Seeding) -- 4.3.2 Seeding to Enhance the Cold Cloud Process (Glaciogenic Seeding) -- 4.3.3 Seeding to Enhance Development of Individual Convective Clouds -- 4.3.4 Expansion of Glaciogenic Seeding Concepts to Larger Scales -- 4.4 THE NATURAL PRODUCTION OF SNOWFALL -- 4.4.1 Formation of Cloud Condensate -- 4.4.2 Cloud Initiation, Colloidal Stability, and Evolution of Precipitation -- 4.5 CLOUD SEEDING TO AUGMENT SNOWFALL -- 4.5.1 Snow Augmentation Methods -- 4.5.2 Expansion of Snow Augmentation Concepts to Larger Scales -- 4.6 TECHNOLOGICAL ADVANCES -- 4.7 CONCLUSIONS -- 4.8 REFERENCES -- SECTION 5-CLOUD SEEDING MODES, INSTRUMENTATION, AND STATUS OF PRECIPITATION ENHANCEMENT TECHNOLOGY -- 5.1 INTRODUCTION -- 5.2 CLOUD SEEDING MODES -- 5.2.1 Cloud Seeding Agents -- 5.2.2 Delivery Systems -- 5.2.3 Deployment of Cloud Seeding Systems -- 5.3 INSTRUMENTATION -- 5.3.1 Real-Time Decision Making and Monitoring Instrumentation -- 5.3.2 Measurements of Potential Value in Post-project Assessments -- 5.4 STATUS OF PRECIPITATION ENHANCEMENT TECHNOLOGY -- 5.4.1 American Society of Civil Engineers -- 5.4.2 Weather Modification Association -- 5.4.3 American Meteorological Society -- 5.4.4 World Meteorological Organization -- 5.5 CONCLUSIONS -- 5.6 REFERENCES -- SECTION 6-HOW TO IMPLEMENT A CLOUD SEEDING PROGRAM -- 6.1 INTRODUCTION -- 6.1.1 Initial Program Assessment (Feasibility Study) -- 6.1.2 The Factors Governing Implementation -- 6.2 NEEDS AND GOALS -- 6.2.1 Origin of Need and Program Justification (Program Sponsors) -- 6.2.2 Political and/or Institutional Mechanisms.

6.3 THE FEASIBILITY STUDY -- 6.3.1 Scientific Basis -- 6.3.2 Feasibility Study Objectives (Program Scope) -- 6.3.3 Statement of Program Expectations (Likelihood of Success) -- 6.4 PROGRAM DEFINITION -- 6.4.1 Seeding Modes and Agents (Design) -- 6.4.2 The Evaluation Plan -- 6.4.3 Quantification of Findings -- 6.5 PROGRAM CONTROL -- 6.5.1 Seeding Decisions -- 6.5.2 Data Collection and Access -- 6.5.3 Seeding Suspension Criteria -- 6.6 PROGRAM MANAGEMENT -- 6.7 REFERENCES -- GLOSSARY -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- R -- S -- T -- U -- W -- INDEX -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- R -- S -- T -- U -- V -- W -- Y -- Z.