Loading...
Please wait, while we are loading the content...
Similar Documents
30+ WINTER SEASONS OF OPERATIONAL CLOUD SEEDING IN UTAH (2009)
| Content Provider | CiteSeerX |
|---|---|
| Author | Griffith, Don A. Solak, Mark E. Yorty, David P. |
| Abstract | Abstract. North American Weather Consultants (NAWC) has conducted operational winter cloud seed-ing programs in many of the mountainous areas of Utah since 1974. The goal of these programs has been to enhance winter snowpack accumulation in several mountainous target areas throughout the State. Studies have demonstrated that a large majority of the annual runoff in Utah streams and rivers is derived from melting snowpacks, which explains the focus on wintertime seeding. Augmented water supplies are typically used for irrigated agriculture or municipal water supplies. Programs are typically funded at the county level with cost-sharing grants from the Utah Division of Water Resources. Cloud seeding is accomplished using networks of ground-based, manually operated silver iodide gen-erators located in valley or foothill locations upwind of the intended target mountain barriers. As such, these programs are classified as orographic winter cloud seeding programs. Orographic winter cloud seeding programs are typically categorized as those with the highest level of scientific support based upon capability statements of such organizations as the American Meteorological Society, the World Meteorological Organization, and the Weather Modification Association. NAWC historical target/control evaluations of these Utah programs based upon high elevation precipita-tion and snow water content observations indicate a range of apparent increases in target area average |
| File Format | |
| Publisher Date | 2009-01-01 |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
