Ångström pyrgeometer: Difference between revisions
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<div class="definition"><div class="short_definition">An instrument developed by K. Ångström for measuring the effective [[terrestrial radiation]].</div><br/> <div class="paragraph">It consists of four manganin strips, of which two are blackened and two are polished. The blackened strips are allowed to radiate to the [[atmosphere]] while the polished strips are shielded. The electrical [[power]] required to equalize the [[temperature]] of the four strips is taken as a measure of the upwelling terrestrial [[radiation]]. <br/>''See'' [[actinometer]], [[pyrheliometer]]; <br/>''compare'' [[Ångström compensation pyrheliometer]].</div><br/> </div> | <div class="definition"><div class="short_definition">An instrument developed by K. Ångström for measuring the effective [[terrestrial radiation|terrestrial radiation]].</div><br/> <div class="paragraph">It consists of four manganin strips, of which two are blackened and two are polished. The blackened strips are allowed to radiate to the [[atmosphere]] while the polished strips are shielded. The electrical [[power]] required to equalize the [[temperature]] of the four strips is taken as a measure of the upwelling terrestrial [[radiation]]. <br/>''See'' [[actinometer]], [[pyrheliometer]]; <br/>''compare'' [[Ångström compensation pyrheliometer|Ångström compensation pyrheliometer]].</div><br/> </div> | ||
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Latest revision as of 16:23, 25 April 2012
Ångström pyrgeometer
An instrument developed by K. Ångström for measuring the effective terrestrial radiation.
It consists of four manganin strips, of which two are blackened and two are polished. The blackened strips are allowed to radiate to the atmosphere while the polished strips are shielded. The electrical power required to equalize the temperature of the four strips is taken as a measure of the upwelling terrestrial radiation.
See actinometer, pyrheliometer;
compare Ångström compensation pyrheliometer.
See actinometer, pyrheliometer;
compare Ångström compensation pyrheliometer.
[[Category:Terms_[]]