Integrated water vapour content estimating using GPS receiver data
V. E. Kunitsyn 1,2, I. A. Nesterov
1, N. A. Tereshin 1
1 Lomonosov
Moscow State University
2 Schmidt
Institute of Physics of the Earth of the Russian Academy of Sciences
The paper is
received on June 8, 2015
Abstract.
GPS system has proved itself to be an excellent tool for ionosphere
sounding problems. This led to evaluating the feasibility of using
dual-frequency GPS-receivers for remote sensing of the troposphere. Sensing
water vapour content is of particular interest to research concerned with
improving numeric weather forecasts. This article describes a method of measuring
integrated water vapour content in the atmosphere by using signal phase delay
data from GPS receivers. Sample output is displayed, using SOPAC receiver array
data as input. Data from global and regional reanalyses is used to provide
comparison and perform error estimation.
Keywords:
remote sensing, satellite navigation systems, GPS, precipitable
water, troposphere.