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A dataset of sea surface temperature (SST) estimates is generated from the temperature observations of surface drifting buoys of NOAA's Global Drifter Program. Estimates of SST at regular hourly time steps along drifter trajectories are…

Atmospheric and Oceanic Physics · Physics 2022-09-01 Shane Elipot , Adam Sykulski , Rick Lumpkin , Luca Centurioni , Mayra Pazos

Due to the widespread deployment of Global Navigation Satellite Systems (GNSSs) for critical road or urban applications, one of the major challenges to be solved is the provision of integrity to terrestrial environments, so that GNSS may be…

Information Theory · Computer Science 2018-10-15 Daniel Egea-Roca , Gonzalo Seco-Granados , José A. López-Salcedo , H. Vincent Poor

Variations in sea-level, based on tide gauge data (GSLTG) and on combining tide gauges and satellite data (GSLl) are subjected to singular spectrum analysis (SSA), to determine their trends and periodic or quasi-periodic components. GLSTG…

Atmospheric and Oceanic Physics · Physics 2023-01-20 V. Courtillot , JL. Le Mouël , F. Lopes

We propose a Bayesian, noisy-input, spatial-temporal generalised additive model to examine regional relative sea-level (RSL) changes over time. The model provides probabilistic estimates of component drivers of regional RSL change via the…

Applications · Statistics 2025-09-26 Maeve Upton , Andrew Parnell , Andrew Kemp , Erica Ashe , Gerard McCarthy , Niamh Cahill

We analyze the effect of seismic activity on sealevel variations, by computing the time-dependent vertical crustal movement and geoid change due to coseismic deformations and postseismic relaxation effects. Seismic activity can affect both…

Geophysics · Physics 2015-06-26 D. Melini , A. Piersanti

Sea surface height observations provided by satellite altimetry since 1993 show a rising rate (3.4 mm/year) for global mean sea level. While on average, sea level has risen 10 cm over the last 30 years, there is considerable regional…

Machine Learning · Computer Science 2023-10-10 Saumya Sinha , John Fasullo , R. Steven Nerem , Claire Monteleoni

Seafloor deformation monitoring is now performed in the marine sector of the Campi Flegrei volcanic area. MEDUSA infrastructure consists of 4 buoys at depths of 40-96m equipped with cGPS receivers, accelerometers and magnetic compasses to…

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)…

Atmospheric and Oceanic Physics · Physics 2015-06-26 O. Germain , G. Ruffini , F. Soulat , M. Caparrini , B. Chapron , P. Silvestrin

We propose a novel technique for guidance of buoyancy-controlled vehicles in uncertain under-ice ocean flows. In-situ melt rate measurements collected at the grounding zone of Antarctic ice shelves, where the ice shelf meets the underlying…

Motivated by the goal of achieving long-term drift-free camera pose estimation in complex scenarios, we propose a global positioning framework fusing visual, inertial and Global Navigation Satellite System (GNSS) measurements in multiple…

Robotics · Computer Science 2022-01-06 Bing Han , Zhongyang Xiao , Shuai Huang , Tao Zhang

We perform Bayesian inference on historical and late Holocene (last 2000 years) rates of sea-level change. The input data to our model are tide-gauge measurements and proxy reconstructions from cores of coastal sediment. These data are…

Applications · Statistics 2015-09-14 Niamh Cahill , Andrew C. Kemp , Benjamin P. Horton , Andrew C. Parnell

We report on the retrieval of directional sea-roughness (the full directional mean square slope, including MSS, direction and isotropy) through inversion of Global Navigation Satellite System Reflections (GNSS-R) and SOlar REflectance…

Atmospheric and Oceanic Physics · Physics 2007-05-23 O. Germain , G. Ruffini , F. Soulat , M. Caparrini , B. Chapron , P. Silvestrin

In-situ ocean wave observations are critical to improve model skill and validate remote sensing wave measurements. Historically, such observations are extremely sparse due to the large costs and complexity of traditional wave buoys and…

Atmospheric and Oceanic Physics · Physics 2020-03-11 Pieter B. Smit , Isabel A. Houghton , Kalina Jordanova , Thomas Portwood , Evan Shapiro , David Clark , Michael Sosa , Tim T. Janssen

The Global Navigation Satellite System (GNSS) has been a very powerful and important contributor to all scientific questions related to precise positioning on Earth's surface, particularly as a mature technique in geodesy and geosciences.…

Geophysics · Physics 2015-10-27 Shuanggen Jin , Attila Komjathy

Lagrangian ocean drifters provide highly accurate approximations of ocean surface currents but are sparsely located across the globe. As drifters passively follow ocean currents, there is minimal control on where they will be making…

Dynamical Systems · Mathematics 2019-10-01 Nikolas O. Aksamit , Themistoklis P. Sapsis , George Haller

Irrotational and monochromatic surface gravity waves possess a mean Lagrangian drift which transports mass and enhances mixing in the upper ocean. In the ocean, where many surface waves are present, it is commonly assumed that the mean…

Fluid Dynamics · Physics 2026-05-20 Aidan Blaser , Luc Lenain , Nick Pizzo

Crustal deformation data obtained by geodetic observation networks are foundations in the fields of geodesy and seismology. These data are essential for understanding plate motion and earthquake sources and for simulating earthquake and…

Geophysics · Physics 2018-09-20 Yusuke Yokota , Tadashi Ishikawa , Shun-ichi Watanabe

Satellite altimeter observations retrieved since 1993 show that the global mean sea level is rising at an unprecedented rate (3.4mm/year). With almost three decades of observations, we can now investigate the contributions of anthropogenic…

Atmospheric and Oceanic Physics · Physics 2023-08-07 Saumya Sinha , John Fasullo , R. Steven Nerem , Claire Monteleoni

We propose statistical procedures for detecting changes in the mean of spatial random fields observed on regular grids. The proposed framework provides a general approach to change detection in spatial processes. Extending a block-based…

Methodology · Statistics 2025-12-15 Sheila T. Görz , Roland Fried

A novel dynamically varying search radius algorithm is developed that takes advantage of bathymetry information to choose satellite observations that represent coastal sea level variability better. The algorithm is successfully tested at…

Atmospheric and Oceanic Physics · Physics 2025-08-28 Vandana Sukumaran , Bramha Dutt Vishwakarma
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