Weather Modification

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weather modification

[′weth·ər ‚mäd·ə·fə′kā·shən]
The changing of natural weather phenomena by technical means; so far, only on the microscale of condensation and freezing nuclei has it been possible to exert modifying influences.

Weather Modification


a group of measures taken to change the climate in a way that is useful to humans (for example, to improve the living conditions of the population in a particular region or to develop particular sectors of agriculture). At the present level of science and technology, weather modification can only be carried out over comparatively small areas, involving primarily the layer of the atmosphere next to the ground.

Weather modification plans for significant areas envision either direct influence on the atmosphere by technical means or a change in the geographic factors that influence the processes of climate formation. Examples of such projects are dusting of the upper layers of the atmosphere to change the heat exchange between the earth and space, the use of atomic energy to affect the general circulation of the atmosphere, the construction of dams to change the behavior of ocean currents, and the breakup of polar ice. Some of these projects will be technically feasible in the near future. However, at the present level of development of science, all the possible consequences of the particular interventions in the processes of climate formation cannot be foreseen. Therefore, the existing climatic conditions on earth must be preserved, and the tendency of human intervention in natural processes to worsen them must be limited.


Budyko, M. I. Klimat i zhizn’. Leningrad, 1971.
Budyko, M. I. Vliianie cheloveka na klimat. Leningrad, 1972.
Berliand, M. E., and K. la. Kondrat’ev. Goroda i klimatplanety. Leningrad, 1972.


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