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相关论文: Koopman Analysis of Sea Surface Temperature with a…

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Data-driven spectral analysis of Koopman operators is a powerful tool for understanding numerous real-world dynamical systems, from neuronal activity to variations in sea surface temperature. The Koopman operator acts on a function space…

数值分析 · 数学 2025-06-23 Nicolas Boullé , Matthew J. Colbrook , Gustav Conradie

We introduce a unified framework for learning the spatio-temporal dynamics of vector valued functions by combining operator valued reproducing kernel Hilbert spaces (OV-RKHS) with kernel based Koopman operator methods. The approach enables…

机器学习 · 计算机科学 2025-08-27 Mahishanka Withanachchi

Accurately predicting sea-surface temperature weeks to months into the future is an important step toward long term weather forecasting. Standard atmosphere-ocean coupled numerical models provide accurate sea-surface forecasts on the scale…

地球物理 · 物理学 2025-06-18 Julian Rice , Wenwei Xu , Andrew August

Sea surface temperature (SST) is a fundamental determinant of global climate dynamics and economic activity. Reliable projections of future SST patterns depend critically on a rigorous characterization of the underlying spatial random…

统计方法学 · 统计学 2026-05-07 Leonardo Marchesin , Alessandra Menafoglio , Piercesare Secchi

Sea surface temperature (SST) is an essential climate variable that can be measured via ground truth, remote sensing, or hybrid model methodologies. Here, we celebrate SST surveillance progress via the application of a few relevant…

大气与海洋物理 · 物理学 2023-06-19 Albert Larson , Ali Shafqat Akanda

We develop a comprehensive framework for spatio-temporal prediction of time-varying vector fields using operator-valued reproducing kernel Hilbert spaces (OV RKHS). By integrating Sobolev regularity with Koopman operator theory, we…

综合数学 · 数学 2026-05-12 Mahishanka Withanachchi

This letter adopts long short-term memory(LSTM) to predict sea surface temperature(SST), which is the first attempt, to our knowledge, to use recurrent neural network to solve the problem of SST prediction, and to make one week and one…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Qin Zhang , Hui Wang , Junyu Dong , Guoqiang Zhong , Xin Sun

The sea surface temperature (SST), a key environmental parameter, is crucial to optimizing production planning, making its accurate prediction a vital research topic. However, the inherent nonlinearity of the marine dynamic system presents…

机器学习 · 计算机科学 2025-04-25 Yin Wang , Chunlin Gong , Xiang Wu , Hanleran Zhang

In situ and remotely sensed observations have potential to facilitate data-driven predictive models for oceanography. A suite of machine learning models, including regression, decision tree and deep learning approaches were developed to…

大气与海洋物理 · 物理学 2020-06-24 Stefan Wolff , Fearghal O'Donncha , Bei Chen

Traditionally, numerical models have been deployed in oceanography studies to simulate ocean dynamics by representing physical equations. However, many factors pertaining to ocean dynamics seem to be ill-defined. We argue that transferring…

机器学习 · 计算机科学 2023-05-03 Yuxin Meng , Feng Gao , Eric Rigall , Ran Dong , Junyu Dong , Qian Du

Sea surface temperature (SST) is a fundamental physical parameter characterising the thermal state of sea surface. Due to the intricate thermal interactions between land, sea, and atmosphere, the spatial gradients of SST in coastal waters…

大气与海洋物理 · 物理学 2025-05-14 Yiqing Guo , Nagur Cherukuru , Eric Lehmann , Xiubin Qi , Mark Doubelld , S. L. Kesav Unnithan , Ming Feng

Sea surface temperature (SST) is uniquely important to the Earth's atmosphere since its dynamics are a major force in shaping local and global climate and profoundly affect our ecosystems. Accurate forecasting of SST brings significant…

机器学习 · 计算机科学 2023-04-20 Xiaohan Li , Gaowei Zhang , Kai Huang , Zhaofeng He

In this work, we estimate extreme sea surface temperature (SST) hotspots, i.e., high threshold exceedance regions, for the Red Sea, a vital region of high biodiversity. We analyze high-resolution satellite-derived SST data comprising daily…

应用统计 · 统计学 2020-10-20 Arnab Hazra , Raphaël Huser

For over 40 years, remote sensing observations of the Earth's oceans have yielded global measurements of sea surface temperature (SST). With a resolution of approximately 1km, these data trace physical processes like western boundary…

大气与海洋物理 · 物理学 2023-03-23 J. Xavier Prochaska , Erdong Guo , Peter C. Cornillon , Christian E. Buckingham

The growing adoption of machine learning (ML) in modelling atmospheric and oceanic processes offers a promising alternative to traditional numerical methods. It is essential to benchmark the performance of both ML and physics-informed ML…

大气与海洋物理 · 物理学 2024-12-02 Akshay Sunil , B Deepthi , Gaurav Ganjir , Muhammed Rashid , Rahul Sreedhar , Adarsh S

Many machine learning approaches for decision making, such as reinforcement learning, rely on simulators or predictive models to forecast the time-evolution of quantities of interest, e.g., the state of an agent or the reward of a policy.…

机器学习 · 计算机科学 2024-01-17 Petar Bevanda , Max Beier , Armin Lederer , Stefan Sosnowski , Eyke Hüllermeier , Sandra Hirche

This overview paper details the findings from the Diving Deep: Forecasting Sea Surface Temperatures and Anomalies Challenge at the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML…

机器学习 · 计算机科学 2025-01-13 Ding Ning , Varvara Vetrova , Karin R. Bryan , Yun Sing Koh , Andreas Voskou , N'Dah Jean Kouagou , Arnab Sharma

We are developing schemes that predict future hurricane numbers by first predicting future sea surface temperatures (SSTs), and then apply the observed statistical relationship between SST and hurricane numbers. As part of this overall…

大气与海洋物理 · 物理学 2007-05-23 Thomas Laepple , Stephen Jewson , Jonathan Meagher , Adam O'Shay , Jeremy Penzer

Spatial temporal reconstruction of dynamical system is indeed a crucial problem with diverse applications ranging from climate modeling to numerous chaotic and physical processes. These reconstructions are based on the harmonious…

动力系统 · 数学 2025-05-13 Nishant Panda , Himanshu Singh , J. Nathan Kutz

Koopman operator, as a fully linear representation of nonlinear dynamical systems, if well-defined on a reproducing kernel Hilbert space (RKHS), can be efficiently learned from data. For stability analysis and control-related problems, it…

系统与控制 · 电气工程与系统科学 2025-11-11 Wentao Tang , Xiuzhen Ye
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