单词 | isallobar |
释义 | isallobarn. Meteorology. A line (imaginary or on a map) connecting points at which the barometric pressure has changed by an equal amount during a specified time. ΘΚΠ the world > the earth > weather and the atmosphere > weather > study or science of weather > diagrams, graphs, or lines > [noun] > barometric pressure profile1860 isobar1864 electrogram1877 barogram1884 isallobar1911 1911 W. N. Shaw Forecasting Weather xv. 337 Dr. Nils Ekholm, of Stockholm,..uses charts of isallobars. 1959 S. L. Hess Introd. Theoret. Meteorol. xiv. 226 This solution is for the case of isobars and isallobars (lines of constant pressure tendency) which are oriented east-west. Derivatives isalloˈbaric adj. ΘΚΠ the world > the earth > weather and the atmosphere > weather > study or science of weather > diagrams, graphs, or lines > [adjective] > barometric pressure isobarometric1864 isobaric1877 isallobaric1911 1911 W. N. Shaw Forecasting Weather xv. 337 Similar groups of isallobars appear on both maps, so that the isallobaric groups may be regarded as travelling as well as the isobaric groups. 1934 D. Brunt Physical & Dynamical Meteorol. ix. 189 Brunt and Douglas found that the isallobaric component of wind frequently amounted to as much as 5 metres/sec. 1962 Course Elem. Meteorol. (Meteorol. Office) ii. 25 By analogy with isobars we have isallobaric highs and lows, showing centres of rising and falling pressure respectively. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2021). < n.1911 |
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