| LC control no. | sh2004007841 |
|---|---|
| Topical heading | Thermals (Meteorology) |
| Variant(s) | Isolated buoyant convections |
| See also | Buoyant convection Convection (Meteorology) |
| Found in | Work cat.: Cone, C.D. The design of sailplanes for optimum thermal soaring performance, 1964: p. 1, summary ("The meteorological aspects of isolated buoyant convections (thermals) are discussed in relation to efficient soaring design ...") McGraw-Hill dictionary of scientific and technical terms, 2003 ("thermal ... a relatively small-scale, rising current of air produced when the atmosphere is heated enough locally by the earth's surface to produce absolute instability in its lower layers") Chambers dictionary of science and technology, 1999 ("thermal --- (aero[nautics]), (meteor[ology]) --- an ascending current due to local heating of air ...") Academic Press dictionary of science and technology, 1992 ("thermal ... a localized air current that rises aloft when the lower atmosphere is heated by earth's surface enough to produce an absolute instability over a certain area; a common source of low-level clear-air turbulence") |
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