Precipitable water vapour monitoring using ground based GPS system
DOI:
https://doi.org/10.54302/mausam.v61i2.802Keywords:
GPS, PWV, RSRW, Zenith total delay, Zenith Hydrostatic delay, Zenith wet delay, Mapping functionAbstract
The sensing of near real time Precipitable Water Vapour (PWV) using Global Positioning System (GPS) over Indian region were analyzed. GPS data collected from five stations at hourly interval were utilized to determine near real time PWV using GAMIT software. Sliding window technique was used to derive near real time PWV. The PWV determined from GPS observations of each site were compared with respective radiosonde measurements. The results shows that the derived GPS precipitable water well agree for some stations with the independent radiosonde measurements. We have also examined the variation of hourly GPS-PWV with hourly rainfall observation and found that PWV increases significantly before the event take place and decreases after the event.
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Published
01-04-2010
How to Cite
[1]
N. . PUVIARASAN, R. K. . GIRI, and M. . RANALKAR, “Precipitable water vapour monitoring using ground based GPS system”, MAUSAM, vol. 61, no. 2, pp. 203–212, Apr. 2010.
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Research Papers
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