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Sea ice cover in the Arctic and Antarctic is an important indicator of changes in the climate, with important environmental, economic and security consequences. The complexity of the spatio-temporal dynamics of sea ice makes it difficult to…

Dynamical Systems · Mathematics 2019-11-06 James Hogg , Maria Fonoberova , Igor Mezic

Arctic amplification has altered the climate patterns both regionally and globally, resulting in more frequent and more intense extreme weather events in the past few decades. The essential part of Arctic amplification is the unprecedented…

Atmospheric and Oceanic Physics · Physics 2023-08-10 Sahara Ali , Jianwu Wang

It has been widely debated whether Arctic sea-ice loss can reach a tipping point beyond which a large sea-ice area disappears abruptly. The theory of dynamical systems predicts a slowing down when a system destabilises towards a tipping…

Atmospheric and Oceanic Physics · Physics 2016-01-26 Sebastian Bathiany , Bregje van der Bolt , Mark S. Williamson , Timothy M. Lenton , Marten Scheffer , Egbert van Nes , Dirk Notz

Operational forecasting centers are investing in decadal (1-10 year) forecast systems to support long-term decision making for a more climate-resilient society. One method that has previously been employed is the Dynamic Mode Decomposition…

Machine Learning · Computer Science 2021-06-22 Eduardo Rodrigues , Bianca Zadrozny , Campbell Watson , David Gold

Variation of Arctic sea ice has significant impacts on polar ecosystems, transporting routes, coastal communities, and global climate. Tracing the change of sea ice at a finer scale is paramount for both operational applications and…

Atmospheric and Oceanic Physics · Physics 2024-10-15 Jingyi Xu , Siwei Tu , Weidong Yang , Shuhao Li , Keyi Liu , Yeqi Luo , Lipeng Ma , Ben Fei , Lei Bai

Observations indicate that the Arctic sea ice cover is rapidly retreating while the Antarctic sea ice cover is steadily expanding. State-of-the-art climate models, by contrast, typically simulate a moderate decrease in both the Arctic and…

Atmospheric and Oceanic Physics · Physics 2017-10-11 Erica Rosenblum , Ian Eisenman

There is ongoing debate over whether Arctic sea-ice has already passed a `tipping point', or whether it will do so in the future. Several recent studies argue that the loss of summer sea ice does not involve an irreversible bifurcation,…

Geophysics · Physics 2013-01-23 Valerie N. Livina , Timothy M. Lenton

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…

Machine Learning · Computer Science 2025-05-19 Wei Wang , Weidong Yang , Lei Wang , Guihua Wang , Ruibo Lei

Seasonal time series exhibit intricate long-term dependencies, posing a significant challenge for accurate future prediction. This paper introduces the Multi-scale Seasonal Decomposition Model (MSSD) for seasonal time-series forecasting.…

Machine Learning · Computer Science 2024-12-18 Yining Pang , Chenghan Li

Arctic sea ice performs a vital role in global climate and has paramount impacts on both polar ecosystems and coastal communities. In the last few years, multiple deep learning based pan-Arctic sea ice concentration (SIC) forecasting…

Machine Learning · Computer Science 2024-10-22 Jingyi Xu , Yeqi Luo , Weidong Yang , Keyi Liu , Shengnan Wang , Ben Fei , Lei Bai

Forecasting sea ice concentration (SIC) and sea ice velocity (SIV) in the Arctic Ocean is of great significance as the Arctic environment has been changed by the recent warming climate. Given that physical sea ice models require high…

Machine Learning · Computer Science 2024-11-22 Younghyun Koo , Maryam Rahnemoonfar

Arctic sea ice is rapidly retreating due to global warming, and emerging evidence suggests that the rate of decline may have been underestimated. A key factor contributing to this underestimation is the coarse resolution of current climate…

Atmospheric and Oceanic Physics · Physics 2025-11-10 Ruijian Gou , Gerrit Lohmann , Deliang Chen , Shiming Xu , Ruiqi Shu , Shaoqing Zhang , Lixin Wu

The persistent lack of spatially complete Antarctic sea ice thickness (SIT) data at sub-monthly resolution has fundamentally constrained the quantitative understanding of large-scale sea ice mass balance processes. In this study, a…

Geophysics · Physics 2025-05-13 Ziqi Ma , Qinghua Yang , Yue Xu , Wen Shi , Xiaoran Dong , Qian Shi , Hao Luo , Jiping Liu , Petteri Uotila , Yafei Nie

The fluctuation statistics of the observed sea ice extent during the satellite era are compared with model output from CMIP5 models using a multi-fractal time series method. The two robust features of the observations are that on annual to…

Atmospheric and Oceanic Physics · Physics 2019-09-02 Sahil Agarwal , John S. Wettlaufer

Arctic Sea Ice Concentration (SIC) is the ratio of ice-covered area to the total sea area of the Arctic Ocean, which is a key indicator for maritime activities. Nowadays, we often use passive microwave images to display SIC, but it has low…

Image and Video Processing · Electrical Eng. & Systems 2024-06-04 Zhaomin Fang , Wankun Chen , Feng Gao , Yanhai Gan , Junyu Dong , Yang Zhou

Sea ice, or frozen ocean water, freezes and melts every year in the Arctic. Forecasts of where sea ice will be located weeks to months in advance have become more important as the amount of sea ice declines due to climate change, for…

Applications · Statistics 2020-06-11 Hannah M. Director , Adrian E. Raftery , Cecilia M. Bitz

We present a new approach to forecasting North Pacific Sea Surface Temperatures (SST) by recognizing that interannual variability primarily reflects amplitude changes in four dominant seasonal cycles. Our multivariate linear model…

Atmospheric and Oceanic Physics · Physics 2026-01-06 Rameshan Kallummal

Arctic sea ice extent has drawn increasing interest and alarm from geoscientists, owing to its rapid decline. In this article, we propose a Bayesian spatio-temporal hierarchical statistical model for binary Arctic sea ice data over two…

Applications · Statistics 2020-03-17 Bohai Zhang , Noel Cressie

We introduce the optimized dynamic mode decomposition algorithm for constructing an adaptive and computationally efficient reduced order model and forecasting tool for global atmospheric chemistry dynamics. By exploiting a low-dimensional…

Machine Learning · Computer Science 2024-04-22 Meghana Velegar , Christoph Keller , J. Nathan Kutz

Perhaps the most iconic feature of melting Arctic sea ice is the formation of distinctive, complex ponds on its surface during late spring. The evolution of melt ponds and their geometrical characteristics determines the albedo of sea ice,…

Atmospheric and Oceanic Physics · Physics 2017-08-11 Yi-Ping Ma , Ivan Sudakov , Courtenay Strong , Kenneth M. Golden
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