Accession Number : AD0725174

Title :   The 1968 Grand River Project - A Trial Project in Precipitation Management,

Corporate Author : SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY RAPID CITY INST OF ATMOSPHERIC SCIENCES

Personal Author(s) : Schock,Martin R.

Report Date : MAR 1969

Pagination or Media Count : 59

Abstract : The report describes the 1968 Grand River Project, a trial program in precipitation management conducted in northwestern South Dakota. The project objectives included the gaining of experience in cloud seeding under operational conditions and the testing of effects of heavy silver iodide seeding upon rainfall and hailfall in and downwind of a designated target area. Randomization was not employed. Aircraft seeding was used exclusively, with three aircraft available. Approximately 210 hr of flight time were logged on seeding missions. Seeding devices included pyrotechnics and acetone generators. Analyses of rainfall and hailfall data collected in connection with the project are given. (Author)

Descriptors :   (*ARTIFICIAL PRECIPITATION, SOUTH DAKOTA), NUCLEATION, SILVER COMPOUNDS, IODIDES, CLOUDS, MANAGEMENT PLANNING AND CONTROL, HAIL, DAMAGE, STORMS, INTENSITY, FLIGHT PATHS, CORRELATION TECHNIQUES, EFFICIENCY, PYROTECHNICS, ACETONES

Subject Categories : Meteorology

Distribution Statement : APPROVED FOR PUBLIC RELEASE