SNR-based GNSS reflectometry for coastal sea-level altimetry: results from the first IAG inter-comparison campaign

F Geremia-Nievinski, T Hobiger, R Haas, W Liu… - Journal of geodesy, 2020 - Springer
Abstract Ground-based Global Navigation Satellite System Reflectometry (GNSS-R) is
quickly maturing toward the objective of becoming a viable alternative for operational …

Accuracy analysis of ground-based GNSS-R sea level monitoring based on multi GNSS and multi SNR

N Zheng, P Chen, Z Li - Advances in space research, 2021 - Elsevier
With the expansion of GNSS applications, Global Navigation Satellite System Reflectometry
(GNSS-R) technology has become an essential means for sea level monitoring. The …

Demonstrating the potential of low-cost GPS units for the remote measurement of tides and water levels using interferometric reflectometry

SDP Williams, PS Bell, DL McCann… - … of atmospheric and …, 2020 - journals.ametsoc.org
Abstract A low-cost [$30 (US dollars)] consumer grade GPS receiver with a sideways-
mounted antenna has been applied to measure tidal water levels at a mesotidal coastal site …

Multi-constellation GNSS interferometric reflectometry for tidal analysis: mitigations for K1 and K2 biases due to GPS geometrical errors

D Peng, YN Lin, JC Lee, HH Su, EM Hill - Journal of Geodesy, 2024 - Springer
It has been observed that when using sea levels derived from GPS (Global Positioning
System) signal-to-noise ratio (SNR) data to perform tidal analysis, the luni-solar semidiurnal …

Quasi zenith satellite system-reflectometry for sea-level measurement and implication of machine learning methodology

K Ansari, HW Seok, P Jamjareegulgarn - Scientific Reports, 2022 - nature.com
The tide gauge measurements from global navigation satellite system reflectometry (GNSS-
R) observables are considered to be a promising alternative to the traditional tide gauges in …

Prediction of sea level with vertical land movement correction using deep learning

N Raj - Mathematics, 2022 - mdpi.com
Sea level rise (SLR) in small island countries such as Kiribati and Tuvalu have been a
significant issue for decades. There is an urgent need for more accurate and reliable …

Performance evaluation of different reflected signal extraction methods on GNSS-R derived sea level heights

CM Lee, CY Fu, WH Lan, CY Kuo - Advances in Space Research, 2024 - Elsevier
In order to obtain reliable GNSS-R derived sea level heights (SLHs), it is crucial to extract
accurate reflected signals from signal-to-noise ratio (SNR) data. In this study, Quadratic …

Determination of sea level variations in Turkish Mediterranean coast using GNSS reflectometry

C Beşel, ET Kayıkçı - Survey Review, 2022 - Taylor & Francis
Global Navigation Satellite System Reflectometry (GNSS-R) can be used to measure sea
level heights based on reflected signals recorded as oscillations in signal-to-noise ratio …

Quality control in GNSS reflectometry method for tide observations

A Syetiawan, DD Wijaya… - … Computing Electronics and …, 2021 - telkomnika.uad.ac.id
Recently, the reflected signals from global navigation satellite systems (GNSS) have been
utilized to observe coastal tides, and it has been found that this method provides promising …

Coastal tides measurement in Indonesia using GNSS-Reflectometry

A Syetiawan, DD Wijaya, I Meilano - Regional Studies in Marine Science, 2022 - Elsevier
The important role of coastal areas in human life and their vulnerability to natural hazards
such as sea level rise, make continuous monitoring of coastal ecosystem rehabilitation …