Method of Precipitable Water Vapor Retrieval by Ground-based GPS with Missing Meteorological Data
Abstract Using interpolation and Z files, we study the precipitable water vapor (PWV) value, calculated by ground-based GPS with missing meteorological data. We compare the effects of different ways to select the appropriate method of PWV retrieval by ground-based GPS with missing meteorological data. The results show that interpolation of meteorological data in long periods using spline is appropriate; interpolation of meteorological data in short periods using singular spectrum analysis is appropriate. Using Z files is a good way to calculate PWV when the missing data accounts for a larger proportion of the original data.
Key words :
PWV
meteorological data
interpolation
GAMIT
Cite this article:
MAO Pengyu,CHEN Yi,MENG Xin. Method of Precipitable Water Vapor Retrieval by Ground-based GPS with Missing Meteorological Data[J]. jgg, 2017, 37(10): 1049-1052.
MAO Pengyu,CHEN Yi,MENG Xin. Method of Precipitable Water Vapor Retrieval by Ground-based GPS with Missing Meteorological Data[J]. jgg, 2017, 37(10): 1049-1052.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2017/V37/I10/1049
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