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<br />0025~6 <br /> <br />Aerometric analyzed seven factors that would have influenced the <br />CRBPP results and provided suggestions for eliminating or reducing <br />the effect of these limiting factors in future experimental work. <br />Four critical time intervals for a cloud seeding operation were also <br />presented: the randomization period, the operation period, the <br />evaluation period, and the buffer (purge) period. The final report <br />suggests eight questions that should be answered satisfactorily <br />before the experimental design of future weather modification pro- <br />jects is accepted. <br /> <br />CONTRACTOR: Division of Atmospheric Water Resources Management, <br />Bureau of Reclamation, Denver, Colorado <br />(Agreement with National Aeronautics and Space <br />Administration) <br />CONTRACT NO. 14-06-D-7635 <br />PRINCIPAL INVESTIGATOR: Archie M. Kahan <br />PERIOD: December 30, 1974, to September 30, 1976 <br />FUNDING: FY75 - $24,500 <br /> <br />. <br /> <br />The NASA (National Aeronautics and Space Administration), Goddard <br />Space Flight Center, Greenbelt, Maryland, provided funds to <br />Reclamation to evaluate the use of the LANDSAT DCS (Data Collection <br />System) in an operational mode in the CRBPP and future use of the <br />LANDSAT DCS from a user's viewpoint. Objectives of the study were: <br /> <br />(1) Use the LANDSAT DCP's (data collection platforms) interfaced <br />with existing hydrometeorological instruments to obtain reliable <br />and accurate dat a from remote mount ai n locat ions. <br /> <br />(2) Develop processing and applications procedures for typical <br />data user agencies and groups and develop operational calibration <br />and maintenance procedures for the DCP/sensor units. <br /> <br />(3) Develop cost-effectiveness comparisons between the LANDSAT <br />DCS and alternative systems. <br /> <br />(4) Develop and apply new technology to expand the LANDSAT <br />. system's data collection capabilities. <br /> <br />This investigation illustrated that many types of environmental <br />sensors can be i nterf aced to the LANDSAT DCP. The DCP' s are re 1 i- <br />able weather-resistant systems, and LANDSAT data are of high quality. <br />The DCS is a useful tool in providing near-real-time data for weather <br />forecasting, directing cloud seeding operations, and scheduling main- <br />tenance trips into remote areas. The system is cost effective for <br />programs of at least 5 years' duration, with only a similar system <br />which uses a GOES (Geostat ionary Operational Environmental Satellite) <br /> <br />II-ll <br />