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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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

机器学习 · 计算机科学 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…

动力系统 · 数学 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…

大气与海洋物理 · 物理学 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…

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…

大气与海洋物理 · 物理学 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…

计算机视觉与模式识别 · 计算机科学 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.…

计算机视觉与模式识别 · 计算机科学 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…

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,…

流体动力学 · 物理学 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…

大气与海洋物理 · 物理学 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…

计算机视觉与模式识别 · 计算机科学 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…

流体动力学 · 物理学 2024-09-06 Manuel Ayala , Zein Sadek , Ondřej Ferčák , Raúl Bayoán Cal , Dennice Gayme , Charles Meneveau

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…

大气与海洋物理 · 物理学 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…

计算机视觉与模式识别 · 计算机科学 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,…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

大气与海洋物理 · 物理学 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…

大气与海洋物理 · 物理学 2013-07-10 Yao Wang , Sukanta Basu , Lance Manuel
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