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weather modification |
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weather modificationDeliberate or inadvertent alteration of atmospheric conditions by human activity, sufficient to modify the weather on a local or regional scale. Deliberate alterations include covering plants to keep them warm at night, seeding clouds to induce or augment precipitation, and firing silver-iodide particles into clouds to suppress or mitigate hail and to reduce fog at airports. Inadvertent alterations are the result of industrialization and urbanization, which have added billions of tons of carbon dioxide and other gases to the atmosphere (see acid rain, global warming, greenhouse effect). weather modification [′weth·ər ‚mäd·ə·fə′kā·shən] (meteorology) 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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Others worry that such attempts at large-scale weather modification may be dangerously tinkering with poorly understood mechanisms. Handbook of Applied Weather Modification, Part 1, Cloud Mod Modification Subsystem, Vol. An element of chance has dominated the business of weather modification from the moment of its birth in 1946. |
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