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Eddy detection is a critical task for ocean scientists to understand and analyze ocean circulation. In this paper, we introduce a hybrid eddy detection approach that combines sea surface height (SSH) and velocity fields with geometric…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Weiping Hua , Karen Bemis , Dujuan Kang , Sedat Ozer , Deborah Silver

Global climate change plays an essential role in our daily life. Mesoscale ocean eddies have a significant impact on global warming, since they affect the ocean dynamics, the energy as well as the mass transports of ocean circulation. From…

Computer Vision and Pattern Recognition · Computer Science 2018-05-16 Katharina Franz , Ribana Roscher , Andres Milioto , Susanne Wenzel , Jürgen Kusche

Satellite-based remote sensing missions have revolutionized our understanding of the Ocean state and dynamics. Among them, space-borne altimetry provides valuable Sea Surface Height (SSH) measurements, used to estimate surface geostrophic…

Machine Learning · Computer Science 2024-05-07 Theo Archambault , Arthur Filoche , Anastase Charantonis , Dominique Bereziat , Sylvie Thiria

Mesoscale eddies are critical in ocean circulation and the global climate system. Standard eddy identification methods are usually based on deterministic optimal point estimates of the ocean flow field. However, uncertainty exists in…

Dynamical Systems · Mathematics 2024-09-24 Jeffrey Covington , Nan Chen , Stephen Wiggins , Evelyn Lunasin

Ocean mesoscale eddies can be thought of as the "weather" of the ocean and strongly influence the ocean's physics, chemistry, and biology; they influence other components of the Earth system via air-sea and sea-ice interactions, and are…

Atmospheric and Oceanic Physics · Physics 2026-05-19 Benjamin Lombardi , Ian Grooms , William Kleiber

The mesoscale eddy field plays a key role in the mixing and transport of physical and biological properties and redistribute energy budgets in the ocean. Eddy kinetic energy is commonly defined as the kinetic energy of the time-varying…

Atmospheric and Oceanic Physics · Physics 2019-11-27 Josué Martínez-Moreno , Andrew McC. Hogg , Andrew E. Kiss , Navid C. Constantinou , Adele K. Morrison

Oceanic eddy kinetic energy (EKE) is a key quantity for measuring the intensity of mesoscale eddies and for parameterizing eddy effects in ocean climate models. Three decades of satellite altimetry observations allow a global assessment of…

Atmospheric and Oceanic Physics · Physics 2024-12-17 Chenyue Xie , An-Kang Gao , Xiyun Lu

This work presents EddyNet, a deep learning based architecture for automated eddy detection and classification from Sea Surface Height (SSH) maps provided by the Copernicus Marine and Environment Monitoring Service (CMEMS). EddyNet is a…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Redouane Lguensat , Miao Sun , Ronan Fablet , Evan Mason , Pierre Tandeo , Ge Chen

The accurate detection of Mesoscale Convective Systems (MCS) is crucial for meteorological monitoring due to their potential to cause significant destruction through severe weather phenomena such as hail, thunderstorms, and heavy rainfall.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Jiajun Liang , Baoquan Zhang , Yunming Ye , Xutao Li , Chuyao Luo , Xukai Fu

The upcoming Surface Water Ocean Topography (SWOT) satellite altimetry mission is expected to yield two-dimensional high-resolution measurements of Sea Surface Height (SSH), thus allowing for a better characterization of the mesoscale and…

Atmospheric and Oceanic Physics · Physics 2020-05-05 Redouane Lguensat , Ronan Fablet , Julien Le Sommer , Sammy Metref , Emmanuel Cosme , Kaouther Ouenniche , Lucas Drumetz , Jonathan Gula

Mesoscale eddies are of utmost importance in understanding ocean dynamics and the transport of heat, salt, and nutrients. Accurate representation of these eddies in ocean models is essential for improving model predictions. However,…

Fluid Dynamics · Physics 2024-06-07 Guosong Wang , Min Hou , Xinrong Wu , Xidong Wang , Zhigang Gao , Hongli Fu , Bo Dan , Chunjian Sun , Xiaoshuang Zhang

Mesoscale eddies produce lateral (2D) fluxes that need to be parameterized in eddy-permitting (1/4-degree) global ocean models due to insufficient horizontal resolution. Here, we systematically apply methods from the 3D LES community to…

Atmospheric and Oceanic Physics · Physics 2025-01-10 Pavel Perezhogin , Arun Balakrishna , Rahul Agrawal

In recent years, monocular depth estimation is applied to understand the surrounding 3D environment and has made great progress. However, there is an ill-posed problem on how to gain depth information directly from a single image. With the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Meiqi Pei

Numerical prediction of the interactions between wind and ocean waves is essential for climate modeling and a wide range of offshore operations. Large Eddy Simulation (LES) of the marine atmospheric boundary layer is a practical numerical…

Results of regional climate modeling PRECIS with high spatial resolution (25 km) were used to investigate mesoscale features of atmospheric circulation in the Black Sea Region for 30-yr period. Method based on Ocubo-Weiss criterion was used…

Atmospheric and Oceanic Physics · Physics 2009-06-15 V. V. Efimov , M. V. Shokurov , D. A. Yarovaya , D. Hein

Fusing LiDAR and camera information is essential for achieving accurate and reliable 3D object detection in autonomous driving systems. This is challenging due to the difficulty of combining multi-granularity geometric and semantic features…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yang Jiao , Zequn Jie , Shaoxiang Chen , Jingjing Chen , Lin Ma , Yu-Gang Jiang

Traditional ship detection methods primarily rely on single-modal approaches, such as visible or infrared images, which limit their application in complex scenarios involving varying lighting conditions and heavy fog. To address this issue,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yanyin Guo , Runxuan An , Junwei Li , Zhiyuan Zhang

Cloud detection is an important preprocessing step for the precise application of optical satellite imagery. In this paper, we propose a deep learning based cloud detection method named multi-scale convolutional feature fusion (MSCFF) for…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Zhiwei Li , Huanfeng Shen , Qing Cheng , Yuhao Liu , Shucheng You , Zongyi He

Mesoscale eddies dominate the spatiotemporal multiscale variability of the ocean, and their impact on the energy cascade of the global ocean cannot be ignored. Eddy-resolving ocean forecasting is providing more reliable protection for…

Atmospheric and Oceanic Physics · Physics 2025-05-16 Qingyu Zheng , Qi Shao , Guijun Han , Wei Li , Hong Li , Xuan Wang

Site-specific flow and turbulence information are needed for various practical applications, ranging from aerodynamic/aeroelastic modeling for wind turbine design to optical diffraction calculations. Even though highly desirable, collecting…

Atmospheric and Oceanic Physics · Physics 2013-07-10 Yao Wang , Sukanta Basu , Lance Manuel
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