Modeling of atmospheric effects on InSAR measurements by incorporating terrain elevation information

Details Modeling of atmospheric effects on InSAR measurements by incorporating terrain elevation information Modeling of atmospheric effects on InSAR measurements by incorporating terrain elevation information

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jastp..68.1189l&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 68, Issue 11, p. 1189-1194.

Physics

4

Scientific paper

We propose an elevation-dependent calibratory method to correct for the water vapour-induced delays over Mt. Etna that affect the interferometric syntheric aperture radar (InSAR) results. Water vapour delay fields are modelled from individual zenith delay estimates on a network of continuous GPS receivers. These are interpolated using simple kriging with varying local means over two domains, above and below 2 km in altitude. Test results with data from a meteorological station and 14 continuous GPS stations over Mt. Etna show that a reduction of the mean phase delay field of about 27% is achieved after the model is applied to a 35-day interferogram.

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