Cover: Weather Modification Research

Weather Modification Research

A Desire and an Approach

Published 1969

by Stanley Marshall Greenfield

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A discussion emphasizing the importance of understanding the atmospheric environment in depth as a prime requisite for weather modification. Largely by the impetus of Langmuir's research on the use of ice crystals in precipitation studies, the public has shown interest in "rainmaking" and cloud seeding activities during the past two decades. In the early 1960s two major research documents pointed the way to the use of computers for numerically modeling the atmosphere. With the space age, essentially simultaneous observation of atmospheric parameters has been possible on a global level. More important, perhaps, is that these studies point out the danger that exists in attempts to modify large-scale weather phenomena without sufficient understanding of the possible results. The latter half of the report investigates the nature of the weather modification problem diagrammatically.

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