Statistics – Computation
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3616807n&link_type=abstract
Geophysical Research Letters, Volume 36, Issue 16, CiteID L16807
Statistics
Computation
3
Geodesy And Gravity: Atmosphere Monitoring With Geodetic Techniques (6952), Atmospheric Processes: Turbulence (4490), Computational Geophysics: Modeling (4255), Atmospheric Composition And Structure: Instruments And Techniques
Scientific paper
A new method for measuring and studying atmospheric turbulence is presented. The method uses data from a local network of GPS receivers. The GPS data are processed in a way that assures that the estimated zenith total delays (ZTD) contain the effects of atmospheric turbulence present in the GPS observations. The turbulence is characterized using the spatial structure function for the atmospheric zenith total delay. The structure function is modeled by an expression with unknown parameters which contains information about the turbulence. The unknown parameters are solved by a fit to the observed ZTD variations. We apply the method to GPS data from the Yucca Mountain network, Nevada, USA. The results show that the magnitude of the turbulent variations in that region have a strong seasonal dependence, with much larger variations in summer compared to winter.
Davis Joshua L.
Hill Matthew E.
Nilsson Thomas
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