Multi-constellation GNSS interferometric reflectometry for tidal analysis: mitigations for K1 and K2 biases due to GPS geometrical errors Article Swipe
Dongju Peng
,
Yunung Nina Lin
,
Jui-Chi Lee
,
Hsuan-Han Su
,
Emma M. Hill
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1007/s00190-023-01812-3
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1007/s00190-023-01812-3
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 (K2) and the luni-solar diurnal (K1) constituents are biased due to geometrical errors in the reflection data, which result from their periods coinciding with the GPS orbital period and revisit period. In this work, we use 18 months of GNSS SNR data from multiple frequencies and multiple constellations at three sites to further investigate the biases and how to mitigate them. We first estimate sea levels using SNR data from the GPS, GLONASS, and Galileo signals, both individually and by combination. Secondly, we conduct tidal harmonic analysis using these sea-level estimates. By comparing the eight major tidal constituents estimated from SNR data with those estimated from the co-located tide-gauge records, we find that the biases in the K1 and K2 amplitudes from GPS S1C, S2X and S5X SNR data can reach 5 cm, and they can be mitigated by supplementing GLONASS- and Galileo-based sea-level estimates. With a proper combination of sea-level estimates from GPS, GLONASS, and Galileo, SNR-based tidal constituents can reach agreement at the millimeter level with those from tide gauges.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1007/s00190-023-01812-3
- https://link.springer.com/content/pdf/10.1007/s00190-023-01812-3.pdf
- OA Status
- hybrid
- Cited By
- 9
- References
- 44
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4390499966
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4390499966Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1007/s00190-023-01812-3Digital Object Identifier
- Title
-
Multi-constellation GNSS interferometric reflectometry for tidal analysis: mitigations for K1 and K2 biases due to GPS geometrical errorsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2024Year of publication
- Publication date
-
2024-01-01Full publication date if available
- Authors
-
Dongju Peng, Yunung Nina Lin, Jui-Chi Lee, Hsuan-Han Su, Emma M. HillList of authors in order
- Landing page
-
https://doi.org/10.1007/s00190-023-01812-3Publisher landing page
- PDF URL
-
https://link.springer.com/content/pdf/10.1007/s00190-023-01812-3.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
- OA URL
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https://link.springer.com/content/pdf/10.1007/s00190-023-01812-3.pdfDirect OA link when available
- Concepts
-
Tide gauge, Global Positioning System, GLONASS, Geodesy, GNSS applications, Geodetic datum, Remote sensing, Constellation, Galileo (satellite navigation), Geology, GPS signals, Sea level, Computer science, Assisted GPS, Physics, Telecommunications, Oceanography, AstronomyTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
9Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 4, 2024: 5Per-year citation counts (last 5 years)
- References (count)
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44Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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