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Accurate atmospheric 3D wind observations are a high priority in the science community. To address this requirement and to support researchers' needs to acquire and analyze wind data from multiple sources, the System for Analysis of Wind…

Atmospheric and Oceanic Physics · Physics 2023-12-04 Katherine E. Lukens , Kevin Garrett , Kayo Ide , David Santek , Brett Hoover , David Huber , Ross N. Hoffman , Hui Liu

Thanks to novel, powerful brain activity recording techniques, we can create data-driven models from thousands of recording channels and large portions of the cortex, which can improve our understanding of brain-states neuromodulation and…

Artificial intelligence has advanced global weather forecasting, outperforming traditional numerical models in both accuracy and computational efficiency. Nevertheless, extending predictions beyond subseasonal timescales requires the…

Atmospheric and Oceanic Physics · Physics 2025-08-18 Jeong-Hwan Kim , Daehyun Kang , Young-Min Yang , Jae-Heung Park , Yoo-Geun Ham

Maritime Autonomous Surface Ships (MASS) have emerged as a promising solution to enhance navigational safety, operational efficiency, and long-term cost effectiveness. However, their reliable deployment requires rigorous verification and…

Knowledge of ocean circulation is important for understanding and predicting weather and climate, and managing the blue economy. This circulation can be estimated through Sea Surface Height (SSH) observations, but requires decomposing the…

Atmospheric and Oceanic Physics · Physics 2024-09-27 Jingwen Lyu , Yue Wang , Christian Pedersen , Spencer Jones , Dhruv Balwada

Both Numerical Weather Prediction (NWP) models and Large-Eddy Simulation (LES) models are used to simulate convective systems, such as squall lines, but with different purposes. NWP models aim for the most accurate weather forecasts,…

Atmospheric and Oceanic Physics · Physics 2025-06-25 Mirjam Tijhuis , Axel Seifert , Alberto de Lozar , Bart J. H. van Stratum , Chiel C. van Heerwaarden

Freak waves are very large, rare events in a random ocean wave train. Here we study the numerical generation of freak waves in a random sea state characterized by the JONSWAP power spectrum. We assume, to cubic order in nonlinearity, that…

Chaotic Dynamics · Physics 2009-11-07 Miguel Onorato , Alfred R. Osborne , Marina Serio , Serena Bertone

Unmanned boats, while navigating at sea, utilize active compensation systems to mitigate wave disturbances experienced by onboard instruments and equipment. However, there exists a lag in the measurement of unmanned boat attitudes, thus…

Artificial Intelligence · Computer Science 2024-04-18 Zhuoya Geng , Jianmei Chen , Wanqiang Zhu

Due to the multitude of scales present in realistic oceanic conditions, resolving the surface stress is computationally intensive, motivating modeling approaches. In this work, a dynamic wave drag model is developed for Large Eddy…

Fluid Dynamics · Physics 2023-05-22 Aditya K. Aiyer , Luc Deike , Michael E. Mueller

Recent advancements in evaluating matrix-exponential functions have opened the doors to the practical use of exponential time-integration methods in numerical weather prediction (NWP). The success of exponential methods in shallow water…

Fluid Dynamics · Physics 2023-09-19 Greg Rainwater , Kevin C. Viner , P. Alex Reinecke

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…

Numerical weather prediction (NWP) has proven to be computationally challenging due to its inherent multiscale nature. Currently, the highest resolution NWP models use a horizontal resolution of about 10km. In order to increase the…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-09-09 Andreas Müller , Michal A. Kopera , Simone Marras , Lucas C. Wilcox , Tobin Isaac , Francis X. Giraldo

We propose to model physical effects at the sharp density interface between atmosphere and ocean with the help of diffuse interface approaches for multiphase flows with variable densities. We use the variable-density model proposed in…

Numerical Analysis · Mathematics 2016-07-28 Harald Garcke , Michael Hinze , Christian Kahle

We solve for the dynamics of a pair of spins, coupled to each other and also to an environmental sea of oscillators. The environment mediates an indirect interaction between the spins, causing both mutual coherence effects and dissipation.…

Condensed Matter · Physics 2015-06-25 M. Dube , P. C. E. Stamp

In 2022 and 2023 the hydrogen comae of two long period comets, C/2017 K2 (PanSTARRS) and C/2022 E3 (ZTF), were observed with the Solar Wind ANisotropies (SWAN) all-sky hydrogen Lyman-alpha camera on the SOlar and Heliosphere Observer (SOHO)…

Earth and Planetary Astrophysics · Physics 2025-05-20 Michael Combi , Terhi Mäkinen , Jean-Loup Bertaux , Eric Quemerais , Stéphane Ferron

The impact of boat traffic on the health of coastal ecosystems is a multi-scale process: from minutes (individual wakes) to days (tidal modulation of sediment transport), to seasons and years (traffic is seasonal). A considerable numerical…

Fluid Dynamics · Physics 2021-03-17 C. Forlini , R. Qayyum , M. Malej , M. -A. Y. -H. Lam , F. Shi , C. Angelini , A. Sheremet

In a water-air optical wireless communication (OWC) channel, dynamic ocean waves may significantly deflect the light beam from its original direction, thus deteriorating the communication performance. In this letter, a beam tracking system…

Signal Processing · Electrical Eng. & Systems 2022-01-12 Yujie Di , Yingjie Shao , Lian-Kuan Chen

Wind-wave interactions impose wind forcing on wave surface and wave effects on turbulent wind structures, which essentially influences the wind-wave loading on structures. Existing research treats the wind and wave loading separately and…

Fluid Dynamics · Physics 2023-10-06 Tianqi Ma , Chao Sun

Marine mammals are increasingly vulnerable to human disturbance and climate change. Their diving behavior leads to limited visual access during data collection, making studying the abundance and distribution of marine mammals challenging.…

While most spatial data can be modeled with the assumption that distant points are uncorrelated, some problems require dependence at both far and short distances. We introduce a model to directly incorporate dependence in phenomena that…

Methodology · Statistics 2018-07-04 Joshua Hewitt , Jennifer A. Hoeting , James Done , Erin Towler