Weather and Climate Modification Problems and Prospects: Final Report of the Panel on Weather and Climate Modification, Volumes 1 à 2National Academy of Sciences-National Research Council, 1966 |
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Page 12
... percent , significant at about the 0.01 level , subsequent years were variable . The over - all 6 - year period exhibited about 4 percent more rain for seeded periods than for unseeded periods , when adjusted by the double - ratio ...
... percent , significant at about the 0.01 level , subsequent years were variable . The over - all 6 - year period exhibited about 4 percent more rain for seeded periods than for unseeded periods , when adjusted by the double - ratio ...
Page 25
... percent over the small amounts of natural precipitation observed in adjacent control areas in this semiarid region . Seventeen seeding experiments were conducted , using dry - ice seeding rates of up to 500 g / km , released at ...
... percent over the small amounts of natural precipitation observed in adjacent control areas in this semiarid region . Seventeen seeding experiments were conducted , using dry - ice seeding rates of up to 500 g / km , released at ...
Page 39
... percent due to seeding is significant at the 0.10 to 0.15 level . For the non - cold - front , or " air - mass , " category ( 69 control and 74 seeded days ) , the results show an increase of 100 percent in hail damage on seeded days ...
... percent due to seeding is significant at the 0.10 to 0.15 level . For the non - cold - front , or " air - mass , " category ( 69 control and 74 seeded days ) , the results show an increase of 100 percent in hail damage on seeded days ...
Autres éditions - Tout afficher
Weather and Climate Modification Problems and Prospects ..., Volumes 1 à 2 Affichage d'extraits - 1966 |
Expressions et termes fréquents
aircraft albedo analysis artificial atmo Atmospheric Sciences Braham carbon dioxide changes circulation climate modification cloud seeding cloud systems CO₂ concentration condensation convective cumulus clouds cyclonic dissipation distribution downwind dynamics eddy-diffusion energy Environmental Science Services estimate evaluation experimental extratropical cyclones field Geophys global hail heat hurricane ice crystals important increase indicate instability jet stream large-scale layer measurements mesosphere Meteorol meteorological models National natural nucleation nuclei observed ocean operational orographic Panel parameters particles percent physical pollution possible precipitation prediction present problem processes produce projects radiation rainfall randomized regions regression line release scale Science Services Administration scientific seeding effects significance level silver iodide silver iodide seeding statistical stimulation storm stratosphere supercooled surface target area techniques temperature thermal thermosphere tion tornado trials tropics troposphere types updraft variability variations water vapor weather and climate Weather Control weather modification wind