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Estimation of sea level variations with GPS/GLONASS-reflectometry technique
Author(s): A. M. Padokhin; G. A. Kurbatov; E. S. Andreeva; I. A. Nesterov; M. O. Nazarenko; N. A. Berbeneva; A. V. Karlysheva
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Paper Abstract

In the present paper we study GNSS - reflectometry methods for estimation of sea level variations using a single GNSSreceiver, which are based on the multipath propagation effects caused by the reflection of navigational signals from the sea surface. Such multipath propagation results in the appearance of the interference pattern in the Signal-to-Noise Ratio (SNR) of GNSS signals at small satellite elevation angles, which parameters are determined by the wavelength of the navigational signal and height of the antenna phase center above the reflecting sea surface. In current work we used GPS and GLONASS signals and measurements at two working frequencies of both systems to study sea level variations which almost doubles the amount of observations compared to GPS-only tide gauge. For UNAVCO sc02 station and collocated Friday Harbor NOAA tide gauge we show good agreement between GNSS-reflectometry and traditional mareograph sea level data.

Paper Details

Date Published: 30 November 2017
PDF: 4 pages
Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104667J (30 November 2017); doi: 10.1117/12.2288741
Show Author Affiliations
A. M. Padokhin, M.V. Lomonosov Moscow State Univ. (Russian Federation)
G. A. Kurbatov, M.V. Lomonosov Moscow State Univ. (Russian Federation)
E. S. Andreeva, M.V. Lomonosov Moscow State Univ. (Russian Federation)
I. A. Nesterov, M.V. Lomonosov Moscow State Univ. (Russian Federation)
M. O. Nazarenko, M.V. Lomonosov Moscow State Univ. (Russian Federation)
N. A. Berbeneva, M.V. Lomonosov Moscow State Univ. (Russian Federation)
A. V. Karlysheva, M.V. Lomonosov Moscow State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10466:
23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Oleg A. Romanovskii, Editor(s)

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