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Classifying the state of the atmosphere into a finite number of large-scale circulation regimes is a popular way of investigating teleconnections, the predictability of severe weather events, and climate change. Here, we investigate a…

机器学习 · 计算机科学 2022-05-02 Andreas Holm Nielsen , Alexandros Iosifidis , Henrik Karstoft

Advances in remote sensing technologies have made it possible to use high-resolution visual data for weather observation and forecasting tasks. We propose the use of multi-layer neural networks for understanding complex atmospheric dynamics…

神经与进化计算 · 计算机科学 2017-11-30 Seungkyun Hong , Seongchan Kim , Minsu Joh , Sa-kwang Song

Data assimilation is often viewed as a framework for correcting short-term error growth in dynamical climate model forecasts. When viewed on the time scales of climate however, these short-term corrections, or analysis increments, can…

大气与海洋物理 · 物理学 2023-10-02 William Gregory , Mitchell Bushuk , Alistair Adcroft , Yongfei Zhang , Laure Zanna

In large lakes, ice cover plays an important role in shipping and navigation, coastal erosion, regional weather and climate, and aquatic ecosystem function. In this study, a novel deep learning model for ice cover concentration prediction…

大气与海洋物理 · 物理学 2024-07-09 Hazem Abdelhady , Cary Troy

This paper introduces a novel approach to sea ice modeling using Graph Neural Networks (GNNs), utilizing the natural graph structure of sea ice, where nodes represent individual ice pieces, and edges model the physical interactions,…

机器学习 · 计算机科学 2026-04-21 Ruibiao Zhu

Integro-difference equation (IDE) models describe the conditional dependence between the spatial process at a future time point and the process at the present time point through an integral operator. Nonlinearity or temporal dependence in…

机器学习 · 统计学 2020-01-29 Andrew Zammit-Mangion , Christopher K. Wikle

Sea ice, crucial to the Arctic and Earth's climate, requires consistent monitoring and high-resolution mapping. Manual sea ice mapping, however, is time-consuming and subjective, prompting the need for automated deep learning-based…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Behzad Vahedi , Benjamin Lucas , Farnoush Banaei-Kashani , Andrew P. Barrett , Walter N. Meier , Siri Jodha Khalsa , Morteza Karimzadeh

Antarctic sea ice has undergone unprecedented changes in recent years, raising questions about how this key geophysical system is responding to climate change. Decades of slow expansion were replaced by a precipitous decline in 2014-2017, a…

大气与海洋物理 · 物理学 2026-05-28 Peter Yatsyshin , Karl Lapo , Oliver Strickson , Louisa van Zeeland , J. Scott Hosking , J. Nathan Kutz

The forecast of tropical cyclone trajectories is crucial for the protection of people and property. Although forecast dynamical models can provide high-precision short-term forecasts, they are computationally demanding, and current…

Sea ice is a crucial component of the Earth's climate system and is highly sensitive to changes in temperature and atmospheric conditions. Accurate and timely measurement of sea ice parameters is important for understanding and predicting…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Nicolae-Catalin Ristea , Andrei Anghel , Mihai Datcu

Though machine learning has achieved notable success in modeling sequential and spatial data for speech recognition and in computer vision, applications to remote sensing and climate science problems are seldom considered. In this paper, we…

机器学习 · 计算机科学 2019-10-22 Yimeng Min , S. Karthik Mukkavilli , Yoshua Bengio

The increase in Arctic marine activity due to rapid warming and significant sea ice loss necessitates highly reliable, short-term sea ice forecasts to ensure maritime safety and operational efficiency. In this work, we present a novel…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Stefan Maria Ailuro , Anna Nedorubova , Timofey Grigoryev , Evgeny Burnaev , Vladimir Vanovskiy

The representation of nonlinear sub-grid processes, especially clouds, has been a major source of uncertainty in climate models for decades. Cloud-resolving models better represent many of these processes and can now be run globally but…

大气与海洋物理 · 物理学 2022-06-08 Stephan Rasp , Michael S. Pritchard , Pierre Gentine

The rapid decline of Arctic sea ice resulting from anthropogenic climate change poses significant risks to indigenous communities, ecosystems, and the global climate system. This situation emphasizes the immediate necessity for precise…

机器学习 · 计算机科学 2025-05-19 Wei Wang , Weidong Yang , Lei Wang , Guihua Wang , Ruibo Lei

Sea ice plays a critical role in the global climate system and maritime operations, making timely and accurate classification essential. However, traditional manual methods are time-consuming, costly, and have inherent biases. Automating…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Samira Alkaee Taleghan , Andrew P. Barrett , Walter N. Meier , Farnoush Banaei-Kashani

Subseasonal forecasting of the weather two to six weeks in advance is critical for resource allocation and advance disaster notice but poses many challenges for the forecasting community. At this forecast horizon, physics-based dynamical…

Accurate, high-resolution ocean forecasting is crucial for maritime operations and environmental monitoring. While traditional numerical models are capable of producing sub-daily, eddy-resolving forecasts, they are computationally intensive…

机器学习 · 计算机科学 2025-10-27 Qiusheng Huang , Yuan Niu , Xiaohui Zhong , Anboyu Guo , Lei Chen , Dianjun Zhang , Xuefeng Zhang , Hao Li

Due to the growing volume of remote sensing data and the low latency required for safe marine navigation, machine learning (ML) algorithms are being developed to accelerate sea ice chart generation, currently a manual interpretation task.…

图像与视频处理 · 电气工程与系统科学 2023-10-27 Rafael Pires de Lima , Behzad Vahedi , Nick Hughes , Andrew P. Barrett , Walter Meier , Morteza Karimzadeh

This study presents OceanCastNet (OCN), a machine learning approach for wave forecasting that incorporates wind and wave fields to predict significant wave height, mean wave period, and mean wave direction.We evaluate OCN's performance…

大气与海洋物理 · 物理学 2025-11-04 Ziliang Zhang , Huaming Yu , Danqin Ren , Chenyu Zhang , Minghua Sun , Xin Qi

Inspired by the similarity of the atmosphere-ocean physical coupling mechanism, this study innovatively migrates meteorological large-model techniques to the ocean domain, constructing the KunPeng global ocean environmental prediction…

机器学习 · 计算机科学 2025-04-08 Yi Zhao , Jiaqi Li , Haitao Xia , Tianjiao Zhang , Zerong Zeng , Tianyu Ren , Yucheng Zhang , Chao Zhu , Shengtong Xu , Hongchun Yuan