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http://dx.doi.org/10.5140/JASS.2006.23.4.373

DEVELOPMENT OF A LOCAL MEAN TEMPERATURE EQUATION FOR GPS-BASED PRECIPITABLE WATER VAPOR OVER THE KOREAN PENINSULA  

Ha, Ji-Hyun (College of Forest Science, Kookmin University)
Park, Kwan-Dong (College of Forest Science, Kookmin University)
Heo, Bok-Haeng (Upper-air and Marine Meteorology Team, Korea Meterological Administration)
Publication Information
Journal of Astronomy and Space Sciences / v.23, no.4, 2006 , pp. 373-384 More about this Journal
Abstract
The Bevis' mean temperature equation (MTE) is generally used in estimating Precipitable Water Vapor (PWV) based on GPS measurements. Because the equation was derived from Worth American meteorological data, however, it may induce errors in PWV if the equation is applied to Korea which has different climate conditions. In this study, we developed a new MTE using local meteorological data. We compared PWVs from the new equation with those from the Bevis and two other local equations. The PWV differences from the four equations increase as a function of surface temperatures at the observation site, reaching up to $1{\sim}3mm$.
Keywords
mean temperature equation; precipitable water vapor; GPS;
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