Deep learning improves global satellite observations of ocean eddy dynamics

SA Martin, GE Manucharyan… - Geophysical Research …, 2024 - Wiley Online Library
Ocean eddies affect large‐scale circulation and induce a kinetic energy cascade through
their non‐linear interactions. However, since global observations of eddy dynamics come …

Diurnal variability of mixed layer overturning instabilities from glider array observations in the South China sea

R Zheng, Z **g - Geophysical Research Letters, 2024 - Wiley Online Library
The diurnal variability of mixed layer (ML) overturning instabilities remains poorly
understood due to the challenge in capturing their rapid evolutions across large …

Phytoplankton responses to mesoscale and submesoscale processes in a tropical meander

F Pereira, ICA da Silveira, A Tandon… - Journal of …, 2024 - Wiley Online Library
The mesoscale activity of western boundary currents can induce changes in the oligotrophic
conditions of the oceanic subtropical gyres. Off SE Brazil, recurrent meanders in the Brazil …

Four-dimensional temperature, salinity and mixed-layer depth in the Gulf Stream, reconstructed from remote-sensing and in situ observations with neural networks

E Pauthenet, L Bachelot, K Balem, G Maze… - Ocean …, 2022 - os.copernicus.org
Despite the ever-growing number of ocean data, the interior of the ocean remains
undersampled in regions of high variability such as the Gulf Stream. In this context, neural …

Submesoscale kinetic energy induced by vertical buoyancy fluxes during the tropical cyclone Haitang

Z Yi, C Qiu, D Wang, Z Cai, J Yu… - Journal of Geophysical …, 2024 - Wiley Online Library
Submesoscale process is an important part in the kinetic energy cascade from large‐scale
circulation to turbulent dissipation, and a key component of the global heat budget. Its …

Frontogenesis Elevates the Maximum Chlorophyll a Concentration at the Subsurface Near the Kuroshio During Well‐Stratified Seasons

D Ito, T Kodama, Y Shimizu, T Setou… - Journal of …, 2023 - Wiley Online Library
The contribution that fronts and frontogenesis make to subsurface chlorophyll a (CHL)
concentration was investigated near the Kuroshio using data from multiple surveys across …

Global submesoscale diagnosis using along-track satellite altimetry

O Vergara, R Morrow, MI Pujol, G Dibarboure… - Ocean …, 2023 - os.copernicus.org
The ocean's sea surface height (SSH) field is a complex mix of motions in geostrophic
balance and unbalanced motions including high-frequency tides, internal tides, and internal …

Spatial and seasonal controls on eddy subduction in the Southern Ocean

ML Chen, O Schofield - Geophysical Research Letters, 2024 - Wiley Online Library
Carbon export driven by submesoscale, eddy‐associated vertical velocities (“eddy
subduction”), and particularly its seasonality, remains understudied, leaving a gap in our …

Synthesizing sea surface temperature and satellite altimetry observations using deep learning improves the accuracy and resolution of gridded sea surface height …

SA Martin, GE Manucharyan… - Journal of Advances in …, 2023 - Wiley Online Library
Gridded sea surface height (SSH) maps estimated from satellite altimetry are widely used for
estimating surface ocean geostrophic currents. Satellite altimeters observe SSH along one …

Offshore plankton blooms via mesoscale and sub‐mesoscale interactions with a western boundary current

CC Chapman, BM Sloyan, A Schaeffer… - Journal of …, 2024 - Wiley Online Library
We investigate mesoscale circulations in an oligotrophic western boundary current, the East
Australian Current, during a sustained offshore plankton bloom. Using a series of high …