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radiosonde |
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radiosonde (rā`dēōsŏnd), group of instruments for simultaneous measurement and radio transmission of meteorological data, including temperature, pressure, and humidity of the atmosphere. The instrument package is usually carried into the atmosphere by a balloon (see weather balloon weather balloon, balloon used in the measurement and evaluation of mostly upper atmospheric conditions (see atmosphere ). Information may be gathered during the vertical ascent of the balloon through the atmosphere or during its motions once it has reached a ..... Click the link for more information. ); balloon-borne radiosondes reach altitudes as great as 90,000 ft (27,400 m) above the earth's surface. A radiosonde may also be carried by a rocket, in which case it is known as a rocketsonde, or dropped by parachute (usually from an aircraft), in which case it is known as a dropsonde. Instruments included in a radiosonde are typically transducers for humidity, temperature, and pressure measurements; controls to improve return signals and determine which measurements are to be transmitted to data stations; and a radio transmitter. Radar also has been used to measure and transmit meteorological data from a radiosonde. These radiosonde observations are made as often as four times daily at some meteorological stations around the globe. radiosonde an airborne instrument to send meteorological information back to earth by radio How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In the summer of 1998, he also served as a radiosonde technician during the South China Sea Monsoon Experiment. The mesoscale model ingests upper air data provided by the balloon-borne radiosonde, surface observation data, terrain data, regional observations and large-scale weather data. The temperature observations of the atmosphere above the "boundary layer" (the first three to five thousand feet) by satellite and balloon-borne radiosonde show no rising trend in atmospheric temperature. |
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