Physics
Scientific paper
Sep 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.2953d&link_type=abstract
Geophysical Research Letters, Volume 27, Issue 18, p. 2953-2956
Physics
8
Geodesy And Gravity: Ocean/Earth/Atmosphere Interactions, Geodesy And Gravity: Space Geodetic Surveys, Geodesy And Gravity: Tides-Ocean
Scientific paper
For meteorology the precipitable water vapor becomes a more and more important product in the data analysis of the Global Positioning System (GPS). It is derived from the wet part of the tropospheric refraction obtained as zenith path delay in the data analysis. However, the estimates of the zenith path delay and of the station height are strongly correlated. The ocean loading effect has a periodic influence on station heights with major frequencies in the diurnal and semidiurnal band and with amplitudes up to several centimeters. If one ignores this effect it affects the estimates of the zenith path delay and thus the precipitable water vapor. This will be demonstrated by some examples.
Dach Rolf
Dietrich Reinhard
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