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Open access 2026

A New Approach to Estimate Ocean Surface Velocity from High-Resolution Surface Water and Ocean Topography (SWOT) Data

This study presents a novel cyclostrophic balance correction method for estimating submesoscale ocean surface currents in the Northern Arabian Sea using surface water and ocean topography (SWOT) mission altimetry. High-resolution Ocean Color Monitor (OCM-3) data from the EOS-06 satellite reveal fine-scale eddies and fi...

Neeraj Agarwal, Aditya Chaudhary, J. M. et al. · 0 citations
2026

Enhancing SWOT Geoid Resolution in Regions Characterized by Complex Oceanic Dynamics via the mrCOSTS Method

The advanced 2-D sea surface height (SSH) observations from the surface water and ocean topography (SWOT) satellite have achieved a global average geoid resolution better than 13 km, as estimated from spectral analysis of adjacent single-cycle observations. However, in regions with complex oceanic dynamics (the ocean o...

Si-Hai Zhao, Sheng-Jun Zhang, Xiang-Xue Kong et al. · 0 citations
Preprint Jul 2026

Borey: A High-Resolution Regional Atmosphere-Ocean-Sea Ice-Wave Forecasting System and Hindcast Dataset for the Barents and Kara Seas

Borey is a high-resolution regional modeling and operational forecasting system for the Barents and Kara Seas. It combines WRF for the atmosphere, NEMO-SI3 for the ocean and sea ice, and WW3 for waves on approximately 3--6\,km grids, and generates daily forecasts to 72 hours. We describe the model chain and production...

Vasily Ivanov, P. Verezemskaya, A. Gavrikov et al. · 0 citations
Open access Aug 2026

Fine-Scale Eddies Revealed by the Surface Water and Ocean Topography (SWOT) Mission

Utilizing two-dimensional sea level anomalies from the Surface Water and Ocean Topography (SWOT) wide-swath altimeter, we conduct a global census of fine-scale eddies (with equivalent radii < 30 km) that are beyond the resolution capacity of traditional altimeters. We find that these eddies are concentrated in regions...

Zhibin Yang, Zhao Jing, Xiao-Ming Zhai et al. · 0 citations
Open access Jul 2026

Quantifying Uncertainty in High-Resolution Near-Surface Wind Projections over Southeast Asian Seas

High-resolution projections of near-surface winds are crucial for ocean circulation and sea level studies in Southeast Asia, a region characterized by complex coastlines and monsoon variability. This study evaluates the added value of dynamical downscaling using the Weather Research and Forecasting (WRF) model at 9 km...

B. J. Ona, S. Raghavan, Boyaj Alugula et al. · 0 citations
Open access Aug 2026

Data Driven Reconstruction of Upper Ocean Profiles for Improved State Estimation in the Philippine Sea

Despite significant advances in observational systems such as the global Argo array of autonomous profiling floats, the spatiotemporal coverage of subsurface ocean observations remains limited compared to the dense data provided by satellite platforms. This study develops a data‐driven framework to reconstruct syntheti...

Guangpeng Liu, B. Powell · 0 citations

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