| 释义 |
Stevenson Meteorol.|ˈstiːvənsən|
[The name of Thomas Stevenson (1818–87), Scottish engineer and meteorologist (and father of R. L. Stevenson), who devised it (Jrnl. Scottish Meteorol. Soc. (1864) I. 122).]
Stevenson (formerly Stevenson's) screen: a wooden box supported on a stand above the ground and made with doubly louvred sides and a double top with ventilation holes, so that thermometers or other instruments mounted inside it are sheltered from sunlight and precipitation and effectively register properties of the outside air.
1881W. Marriott Hints Meterol. Observers 10 The thermometers must be mounted in the Stevenson's screen. 1884Bull. Philos. Soc. Washington VI. 24 The Stevenson screen and the double louvre screens in general. 1923Glazebrook Dict. Appl. Physics III. 491/1 Owing to the intense solar radiation experienced in the tropics, it has been held..that the ordinary Stevenson screen is unsuitable for use in low latitudes. 1970J. P. Glasgow in H. W. Mulligan African Trypanosomiases xv. 355 Meanwhile maximum temperatures (in a Stevenson screen four feet above the ground) rose to 41°. |