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Mapping Sea Surface Height Using New Concepts of Kinematic GNSS Instruments

Clémence Chupin, Valérie Ballu, Laurent Testut, Yann-Treden Tranchant, Michel Calzas, Etienne Poirier, Thibault Coulombier, Olivier Laurain, Pascal Bonnefond, Team FOAM Project
2020 Remote Sensing  
New kinematic systems based on Global Navigation Satellite Systems (GNSS) have been developed to map the sea surface height in motion.  ...  When moving at up to 7 knots, the instrument velocity does not affect the sea surface height accuracy, and the two instruments agree at a cm-level.  ...  We also thank the CNFC (Comission Nationale de la Flotte Côtière), Ifremer, IRD and the Government of New Caledonia for rapidly adjusting and obtaining permissions for the new cruise plan.  ... 
doi:10.3390/rs12162656 fatcat:fto4yhscgfgrzppbw3c7zwrwr4

Sea Surface Height Measurement Using a GNSS Wave Glider

Nigel T. Penna, Miguel A. Morales Maqueda, Ian Martin, Jing Guo, Peter R. Foden
2018 Geophysical Research Letters  
To overcome spatial and temporal limitations of sea surface height instruments such as tide gauges, satellite altimetry, and Global Navigation Satellite Systems (GNSS) buoys, we investigate the use of  ...  Ellipsoidal heights were estimated at 5 Hz using kinematic GNSS precise point positioning and, after correcting for tides using the Finite Element Solution 2014b model and for the geoid using the Earth  ...  This "GNSS WG" concept for precise water surface height determination was initially tested by Morales Maqueda et al. (2016) .  ... 
doi:10.1029/2018gl077950 fatcat:txat6lpzojanzcxh37h6cz4ugq

Altitude on Cartographic Materials and Its Correction According to New Measurement Techniques

Kamil Maciuk, Michał Apollo, Joanna Mostowska, Tomáš Lepeška, Mojca Poklar, Tomasz Noszczyk, Pawel Kroh, Artur Krawczyk, Łukasz Borowski, Polona Pavlovčič-Prešeren
2021 Remote Sensing  
Our findings indicate that the heights of the peaks presented in cartographic materials are inaccurate. The assumed heights should be corrected by direct measurements using modern techniques.  ...  suitability and opportunities for use in further research.  ...  Ellipsoid heights can be determined with several GNSS methods, namely relative static or kinematic GNSS processing, and the widely used method of precise point positioning (PPP), which was proposed by  ... 
doi:10.3390/rs13030444 fatcat:jwtepls6wbhodhi3zfdb7osavy

Efficiency of Using GNSS-PPP for Digital Elevation Model (DEM) Production

Ashraf Abdallah, Amgad Saifeldin, Abdelhamid Abomariam, Reda Ali
2020 Artificial Satellites  
For this purpose, a kinematic trajectory has been observed in New Aswan City in an open sky area using dual-frequency GNSS receivers.  ...  One of the most cost-effective techniques is Precise Point Positioning (PPP); it is a Global Navigation Satellite Systems (GNSS) positioning technique to compute precise positions using only a single GNSS  ...  Nahla Abdelkader) for providing the authors with the GNSS instruments (Topcon Hipper Ga) and funding the experimental work.  ... 
doi:10.2478/arsa-2020-0002 fatcat:zher2jjjizbh3kqnwcrzh4nlum

Feasibility Analysis of GNSS-Reflectometry for Monitoring Coastal Hazards

Su-Kyung Kim, Eunju Lee, Jihye Park, Sungwon Shin
2021 Remote Sensing  
of the water surface.  ...  These results are possibly used as an indicator of each event in terms of storm surge level and tsunami arrival time.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs13050976 fatcat:qzm4sy5fkracxe34hgrix3xb64

Calibration of an Airborne Interferometric Radar Altimeter over the Qingdao Coast Sea, China

Lei Yang, Yongsheng Xu, Xinghua Zhou, Lin Zhu, Qiufu Jiang, Hanwei Sun, Ge Chen, Panlong Wang, Stelios P. Mertikas, Yanguang Fu, Qiuhua Tang, Fangjie Yu
2020 Remote Sensing  
In addition, the sea surface height (SSH) difference measured by the AIRAS was compared with that derived from the GNSS buoys at two sites.  ...  Here, we propose a new strategy for the evaluation of interferometric altimeters based on comparison of wave-induced sea surface elevation (WSSE) spectra from one- and two-dimensional measurements.  ...  Validation of Sea Surface Height Difference The AIRAS-measured SSH was referenced to the WGS-84 ellipsoid surface because of the GNSS used on the aircraft.  ... 
doi:10.3390/rs12101651 fatcat:gljpm2fr6zdk7calnwnvawc4tu

The Eddy Experiment: GNSS-R speculometry for directional sea-roughness retrieval from low altitude aircraft

O. Germain, G. Ruffini, F. Soulat, M. Caparrini, B. Chapron, P. Silvestrin
2004 Geophysical Research Letters  
We report on the retrieval of directional sea surface roughness, in terms of its full directional mean square slope (including direction and isotropy), from Global Navigation Satellite System Reflections  ...  (GNSS-R) Delay-Doppler-Map (DDM) data collected during an experimental flight at 1 km altitude.  ...  We thank the Institut Cartografic de Catalunya for flawless flight operations and aircraft GPS/INS kinematic processing.  ... 
doi:10.1029/2004gl020991 fatcat:nuwy5fa3hjcxvjfqgkzzjsf54a

Application of Integrated GNSS/Hydroacoustic Measurements and GIS Geodatabase Models for Bottom Analysis of Lake Hancza: the Deepest Inland Reservoir in Poland

Dariusz Popielarczyk, Tomasz Templin
2013 Pure and Applied Geophysics  
Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s)  ...  Special thanks to the community Przerosl for sponsoring the cost of third stage field measurements.  ...  Contemporary GNSS/hydroacoustic measurements were related to vertical map datum in Poland (normal heights above sea level, Kronsztadt'86).  ... 
doi:10.1007/s00024-013-0683-9 fatcat:f2ob3lm5xrbelbdtbrq76wfxoq

Validating a new GNSS-based sea level instrument (CalNaGeo) at Senetosa Cape

Pascal Bonnefond, Olivier Laurain, Pierre Exertier, Michel Calzas, Thierry Guinle, Nicolas Picot, the FOAM project Team
2021 Marine Geodesy  
The aim of the present study held in June 2015 is to validate a recently developed GNSS-based sea level instrument (called CalNaGeo) that is designed with the intention to map Sea Surface Heights (SSH)  ...  By comparing to the existing "geoid" map, it is also demonstrated that CalNaGeo can measure a sea surface slope with a precision better than 1 mm/km ($2.5% of the physical slope).  ...  Special thanks to Claude Gaillemin who takes care of all the instruments at Cape Senetosa since 1998 and performs the deployments of the GNSS-based systems for sea level measurements.  ... 
doi:10.1080/01490419.2021.2013355 fatcat:yzzgetsqfnba7m6qg7mw673hua

Precise Positioning of BDS, BDS/GPS: Implications for Tsunami Early Warning in South China Sea

Kejie Chen, Natalia Zamora, Andrey Babeyko, Xingxing Li, Maorong Ge
2015 Remote Sensing  
of near-field GPS arrays ("GPS-Shield" concept for Indonesia).  ...  To date, geo-hazard monitoring with GNSS is restricted to the oldest, largest and most-used GPS system.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs71215814 fatcat:vmuigb4ksjd7jmnz7vsbher3wy

Wave-Glider-Enhanced Vertical Seafloor Geodesy

J. H. Foster, T. L. Ericksen, B. Bingham
2020 Journal of Atmospheric and Oceanic Technology  
We correct the seafloor pressure measurements using sea surface kinematic GPS positioning and atmospheric pressure data collected by the Wave Glider payload.  ...  By combining the concurrent seafloor and sea surface observations, we demonstrate the capability to provide timely, continuous, and high-accuracy estimation and monitoring of cm-scale vertical seafloor  ...  We thank the captain and crew of the Huki Pau and Huki Pono boats for their expertise and assistance in the deployment and recovery of our Wave Glider and seafloor instrument.  ... 
doi:10.1175/jtech-d-19-0095.1 fatcat:wa6jyd5ilrab5bhmhcct6452ce

GEROS-ISS: GNSS REflectometry, Radio Occultation, and Scatterometry Onboard the International Space Station

Jens Wickert, Estel Cardellach, Manuel Martin-Neira, Jorge Bandeiras, Laurent Bertino, Ole Baltazar Andersen, Adriano Camps, Nuno Catarino, Bertrand Chapron, Fran Fabra, Nicolas Floury, Giuseppe Foti (+19 others)
2016 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
Prime mission objectives are the determination of the altimetric sea surface height of the oceans and of the ocean surface mean square slope, which is related to sea roughness and wind speed.  ...  Secondary mission goals include atmosphere/ionosphere sounding using refracted GNSS signals (radio occultation, GNSS-RO) and remote sensing of land surfaces using GNSS-R.  ...  Mission Goals The primary mission objectives of GEROS are [9] the following: 1) To measure and map altimetric sea surface height (SSH) of the ocean using reflected GNSS signals to allow methodology demonstration  ... 
doi:10.1109/jstars.2016.2614428 fatcat:7zfmpvdb2fhu3aj5wfcvwwghza

GNSS Transpolar Earth Reflectometry exploriNg System (G-TERN): Mission Concept

Estel Cardellach, Jens Wickert, Rens Baggen, Javier Benito, Adriano Camps, Nuno Catarino, Bertrand Chapron, Andreas Dielacher, Fran Fabra, Greg Flato, Heinrich Fragner, Carolina Gabarro (+24 others)
2018 IEEE Access  
The global navigation satellite system (GNSS) Transpolar Earth Reflectometry exploriNg system (G-TERN) was proposed in response to ESA's Earth Explorer 9 revised call by a team of 33 multi-disciplinary  ...  2) What are the impacts of extreme events and feedback mechanisms on sea ice evolution?  ...  ACKNOWLEDGMENTS The authors would like to thank SSTL for providing GNSS-R data acquired from the TDS-1 mission that have been used in this study.  ... 
doi:10.1109/access.2018.2814072 fatcat:mkvkjscl7rc37fk4pjmkz4ucb4

Determination of sea surface height from moving ships with dynamic corrections

J. Reinking, A. Härting, L. Bastos
2012 Journal of Geodetic Science  
Due to recent advances in kinematic GNSS (PPP) Precise Point Positioning analysis it is already possible to derive GNSS antenna heights with a quality of a few centimeters.  ...  With the growing global efforts to estimate the in uence of civilization on the climate change it would be desirable to survey sea surface heights (SSH) not only by remote sensing techniques like satellite  ...  Special thanks are due to Emilio Vélez (Instituto de Astronomía y Geodesia, University of Madrid) for providing GNSS and tide gauge data from the Canary Islands.  ... 
doi:10.2478/v10156-011-0038-3 fatcat:qqdutrunknhcvf2a4mdpjczmgu

A Review on Multi-GNSS for Earth Observation and Emerging Applications

Shuanggen Jin, Qisheng Wang, Gino Dardanelli
2022 Remote Sensing  
Recently, the refracted, reflected, and scattered signals from GNSS can remotely sense the Earth's surface and atmosphere with potential applications in environmental remote sensing.  ...  In this paper, a review of multi-GNSS for Earth Observation and emerging application progress is presented, including GNSS positioning and orbiting, GNSS meteorology, GNSS ionosphere and space weather,  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs14163930 fatcat:xdpepszkqbaj7idiiobaekmjr4
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