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<br />(}Oil183 <br /> <br />completion an analysis of the feasibility of Basin-wide operations can be <br />made and, if warranted, an implementation plan for Basin-wide operations <br />can be prepared. At the end of CREST, a final comprehensive evaluation <br />and report will be prepared. <br /> <br />B. Equipment <br /> <br />In general, the required equipment can be categorized by its intended <br />use: <br /> <br />_ Recognition of seedable opportunities <br />_ Velivery ot seedlng material to clouds <br />- Analysis of results <br /> <br />1. Recognition of seedable opportunities. - Weather forecast data trom <br />the National Weather ~ervice and Reclamation's Environmental Data <br />Network via facsimile and computer equipment, and project upper air <br />data from rawinsondes will provide the initial information from which <br />estimates of expected weather conditions will be made. Radiometers, <br />Ka-band radars, icing rate meters, ground and airborne cloud micro- <br />physics measurements, and surveillance weather radars will be used to <br />determine when seedable conditions exist, as well as their vertical and <br />horizontal extents. <br /> <br />2. velivery of seedin material to clouds. - Remote, ground-based, <br />radio-con ro e seedlng generators an seeding aircraft will be used <br />to deliver the ice activation materials to the targeted clouds. <br /> <br />3. Analysis of results. - The primary sources of data, from which <br />seeding effect results will be analyzed, are precipitation gages, <br />ground and airborne cloud microphysics instrumentation, and environ- <br />mental monitoring equipment. <br /> <br />C. Management Philosophy <br /> <br />CREST will be conducted by a combination of Reclamation and contractor <br />personnel. There will be 39 Reclamation people involved with CREST. <br />Their primary activities will be program management, contract development <br />and monitoring, data management, and data analyses. Approximately <br />15 Reclamation people will be located at the field sites and will be <br />responsible for the conduct of the field operations. <br /> <br />Most of the equipment to be used in CREST will be provided by private <br />contractors. The installation, operation, and maintenance of this and <br />Government-furnished equipment will also be done under contract. <br /> <br />To the extent possible, logically related requirements will be grouped <br />together so that the number of contracts can be held to a manageable size. <br />As a general rule, if the requirements for services and equipment are <br />routine in nature, then they will be lumped together. If, they are unique <br /> <br />42 <br />