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<br />III. ORGANIZA TroN OF THE DESIGN STUDY <br /> <br />The design of the pilot program is <br />under the overall direction of Lewis O. Grant and Paul <br />W. Mielke, Jr., of the Atmospheric Science Depart- <br />ment and the Mathematics and Statistics Department, <br />respectively, of Colorado State University. Super- <br />vision of the work in progress and coordination with <br />the Bureau of Reclamation is being handled by <br />Charles F. Chappell also of the Department of <br />Atmospheric Science, Colorado State University. <br />Mr. Chappell is also primarily responsible for the <br />studies and reports related to the physical basis for <br />cloud seeding in the Color ado Rockies, the delineation <br />of meteorological criteria critical to weather modifica- <br />tion in this Basin, portions of the climatic studies, and <br />development of forecasting procedures for the signif- <br />icant criteria. The following additional professional <br />personnel are directly involved in overall program <br />planning and implementation. The specific aspects of <br />the program for which they accept primary responsi- <br />bility for work progress and reports are also shovm: <br />a. Mr. Loren Crow, Consulting Meteorologist, <br />basin geography, maps, climatology <br />b. Dr. James Rasmussen, CSU, atmospheric <br />water balance, utilization of satellites <br />c. Dr. William Marlatt, CSU, remote sensing <br /> <br />d. Mr. Homer Stockwell, CSU, hydrology <br />e. Dr. Ron Wykstra, CSU, economics <br />The efforts of Colorado State Univers ity are confined <br />to design studies. This does not include project <br />implementation or field observations. The following <br />consultants have reviewed the original work outline: <br />a. Mr. R. D. Elliott, North American Weather <br />Consultants <br />b. Dr. James McDonald, University of Arizona <br />c. Dr. Vincent J. Schaefer, State University of <br />New York <br />The program has also been discussed in detail with the <br />following experienced researchers in such weather <br />modification design problems: <br />a. Dr. A. M. Kahan, Pat Hurley, and other <br />Bureau of Reclamation personnel <br />b. Dr. Larry Davis, EG&G <br />c. Dr. Richard Schleusener, South Dakota <br />School of Mines & Technology <br />d. Dr. Donald Veal, University of Wyoming <br />Many constructive comments were received at the <br />February 11 and subsequent meetings at the Bureau <br />of Reclamation. The comments of Dr. Julian Bigelow <br />during March and April have been particularly <br />beneficial. <br /> <br />IV. PROCEDURES <br /> <br />A. Design Efforts <br /> <br />The design efforts can be classifi.ed <br />into four broad categories. The first is concerned <br />with the basic design of the overall program. The <br />second involves definition of operational opporiunities <br />since this is so critical to the design of such a <br />program. The Lhinl pertains to the operational pro- <br />cedures to be employed. The fourth includes control <br />procedures for actual field operations. <br />1. Program Design <br />This involves the development of a design, <br />incorporating both experimental and <br />applied aspects of precipitation management. <br />The design must provide for real time <br />interpretation of results and subsequent <br />detailed evaluations but still be flexible <br />enough to incorporate new concepts as they <br />become available. <br />2. Operational Definition <br />This phase of the program considers the <br />identification and definition of atmosp::leric <br />and climatological variations of conditions <br />which affect the control of the effectiveness <br />,of precipitation modification activities. It <br />also includes the development of criteria <br />and forecast procedures to predict suit- <br />ability for modifying various weather <br />situations and the definition of varying <br />seeding techniques which might be <br />employed. <br />3. Operational Design <br />This phase involves consideration of <br />procedures and techniques for carrying out <br /> <br />the designed field cloud seeding program <br />using present technology but with provisions <br />for the incorporation of new technology as <br />it develops, and for the systematic expan- <br />sion of the program. It also includes <br />con8ider~tion of RpeC'ific sensing and data <br />ac quisition system re quirements, definition <br />of seeding materials and delivery system <br />requirements, considering alternatives and <br />relative merits of each, and the develop- <br />ment of models that can serve as the basis <br />for making operational decisions. <br />4. Operational Control <br />The importance of the control of the field <br />operations once the pilot progra m is <br />initiated is of such importance that it is <br />included as the fourth phase of the planning <br />program. This incorporates procedures <br />and logic for handling information from <br />sensing systems, making operating decisions, <br />real time interpretations, and carrying out <br />analyses of the activities in progress. It is <br />envisioned that as the program develops a <br />large computer will be available to an <br />operations control center. Current field <br />information would be fed into the computer <br />system which, when combined with stored <br />information programs, could rapidly be <br />used to provide necessary analyses. It is <br />envisioned that the output from the computer <br />models would take the following general <br />sequence: <br /> <br />3 <br />