The Management of Weather Resources: Proposals for a national policy and programDepartment of Commerce, Weather Modification Advisory Board, 1978 |
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Termeni și expresii frecvente
Agency agricultural aircraft American Meteorological Society assessment benefits Changnon Chapter climate cloud condensation nuclei cloud drops cloud seeding Colorado conducted costs crop cumulus clouds damage downwind drought dynamic seeding economic effects effort energy enhancement environment environmental evaluation experimental fication field experiments funding GRAUPELS hail suppression heat ice crystals impacts increase kilometers major ment million models modifica Modification Advisory Board national program national weather modification National Weather Resources NOAA North Dakota nuclei NWRMP operational projects orographic particles planning possible potential precipitation processes produce rain rainfall randomized recommended reduce regions Report research and development scientific silver iodide solar square kilometers statistical storm surge stratus clouds studies supercooled surface target area techniques temperature tion Tropical Cyclone unintended weather modification United urban weather changes weather modification activities Weather Modification Advisory weather modification research weather resources management World Meteorological Organization
Pasaje populare
Pagina 204 - State" means any of the several States, the District of Columbia, or any commonwealth, territory, or possession of the United States; and (3) the term "United States" means the several States, the District of Columbia, and any commonwealth, territory, or possession of the United States.
Pagina 219 - Gray code. cyclonic. Having a sense of rotation about the local vertical the same as that of the earth's rotation: that is, as viewed from above, counterclockwise in the Northern Hemisphere, clockwise in the Southern Hemisphere, undefined at the equator; the opposite of anticyclonic.
Pagina 16 - Agency, and the National Oceanic and Atmospheric Administration in the Department of Commerce.
Pagina 4 - ... benefits, especially to aviation, can come from dissipating fog on command. Population growth and migration are multiplying the people at risk from hurricanes and other severe storms; if the damage from the weather's occasional fury can be mitigated, the people at risk will insist that the effort be made. The public interest requires that deliberate changes in the atmosphere be designed and carried out with environmental prudence and after consultation with the people likely to be most affected....
Pagina 81 - ... even the casual observer is aware that visibility is more frequently restricted in a major urban complex than in rural areas, and that this has come from smoke, other contaminants, increased fog, and their additive, smog. Most Americans are now aware that the temperature within a medium-to-large city is generally higher at any given time of the day or season than it is in rural areas. This temperature effect has been recognized and measured for many years, since its measurement, at least at the...
Pagina 13 - The aim of the national program of action should therefore be to achieve a comprehensive understanding of those combinations of cloudenvironment conditions and seeding methods that lead to useful weather changes in a reliable and predictable manner.
Pagina 220 - Doppler Shift — The change in frequency with which energy reaches a receiver when the source of radiation or a reflector of the radiation and the receiver are in motion relative to each other. The Doppler shift is used in many tracking and navigation systems.
Pagina ii - Report is intended to help you fulfill, was to "conduct a comprehensive investigation and study of the state of scientific knowledge concerning weather modification, the present state of development of weather modification technology, the problems impeding effective implementation of weather modification technology, and other related matters.
Pagina 221 - A vertical temperature gradient in some layer of a body of water, which is appreciably greater than the gradients above and below it; also a layer in which such a gradient occurs.
Pagina 206 - If additional sums are needed to cover the full cost of the program, the Secretary shall impose fees upon the organizations applying for the award in amounts sufficient to provide such additional sums.