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Iceberg drift and decay and the associated freshwater release are increasingly seen as important processes in Earth's climate system, yet a detailed understanding of their dynamics has remained elusive. Here, an idealized model of iceberg…

Atmospheric and Oceanic Physics · Physics 2017-08-02 Till J. W. Wagner , Rebecca W. Dell , Ian Eisenman

Wave-sea ice interactions shape the transition zone between open ocean and pack ice in the polar regions. Most theoretical paradigms, implemented in coupled wave-sea ice models, predict exponential decay of the wave energy but some recent…

Atmospheric and Oceanic Physics · Physics 2026-03-09 Rhys Ransome , Davide Proment , Ian A. Renfrew , Alberto Alberello

Sea ice plays an important role in stabilising the Earth system. Yet, representing its dynamics remains a major challenge for models, as the underlying processes are scale-invariant and highly anisotropic. This poses a dilemma:…

Atmospheric and Oceanic Physics · Physics 2025-11-13 Tobias Sebastian Finn , Marc Bocquet , Pierre Rampal , Charlotte Durand , Flavia Porro , Alban Farchi , Alberto Carrassi

Variability in sea ice conditions, combined with strong couplings to the atmosphere and the ocean, lead to a broad range of complex sea ice dynamics. More in-situ measurements are needed to better identify the phenomena and mechanisms that…

We characterize the complete joint posterior distribution over spatially-varying basal traction and and ice softness parameters of an ice sheet model from observations of surface speed by using stochastic variational inference combined with…

Computational Physics · Physics 2022-04-13 Douglas J. Brinkerhoff

Numerical climate models are used to project future climate change due to both anthropogenic and natural causes. Differences between projections from different climate models are a major source of uncertainty about future climate. Emergent…

Applications · Statistics 2020-02-06 Philip G. Sansom , David B. Stephenson , Thomas J. Bracegirdle

The Earth's climate is rapidly changing and some of the most drastic changes can be seen in the Arctic, where sea ice extent has diminished considerably in recent years. As the Arctic climate continues to change, gathering in situ sea ice…

Computational Engineering, Finance, and Science · Computer Science 2021-04-07 Matthew Parno , Taylor Hodgdon , Brendan West , Devin O'Connor , Arnold Song

The velocity field and the height at the surface of a dynamic ice sheet are observed. The ice sheets are modeled by the full Stokes equations and shallow shelf/shelfy stream approximations. Time dependence is introduced by a kinematic free…

Computational Physics · Physics 2020-01-27 Gong Cheng , Per Lötstedt

The transport of sea ice over the polar oceans plays an important role in climate. This transport is driven predominantly by turbulent winds, leading to stochastic motion of ice floes. Observed diffusivities and velocity distributions of…

Geophysics · Physics 2025-02-26 Bryan Shaddy , P. Alex Greaney , Bhargav Rallabandi

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

Continuous observation of climate indicators, such as trends in lake freezing, is important to understand the dynamics of the local and global climate system. Consequently, lake ice has been included among the Essential Climate Variables…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Manu Tom , Rajanie Prabha , Tianyu Wu , Emmanuel Baltsavias , Laura Leal-Taixe , Konrad Schindler

Arctic sea ice plays a critical role in regulating Earth's climate system, significantly influencing polar ecological stability and human activities in coastal regions. Recent advances in artificial intelligence have facilitated the…

Machine Learning · Computer Science 2026-02-04 Jingyi Xu , Shengnan Wang , Weidong Yang , Siwei Tu , Lei Bai , Ben Fei

Sea-Ice drift affects various global processes including the air-sea-ice energy system, numerical ocean modelling, and maritime activity in the polar regions. Drift has been investigated via various technologies ranging from satellite based…

Signal Processing · Electrical Eng. & Systems 2023-07-21 James H. Hepworth , Amit Kumar Mishra

Sea ice motions play an important role in the polar climate system by transporting pollutants, heat, water and salt as well as changing the ice cover. Numerous physics-based models have been constructed to represent the sea ice dynamical…

Atmospheric and Oceanic Physics · Physics 2021-08-26 Jun Zhai , Cecilia M. Bitz

In recent decades, climate change has significantly affected glacier dynamics, resulting in mass loss and an increased risk of glacier-related hazards including supraglacial and proglacial lake development, as well as catastrophic outburst…

Image and Video Processing · Electrical Eng. & Systems 2022-08-02 Zhiyuan Xie , Umesh K. Haritashya , Vijayan K. Asari , Michael P. Bishop , Jeffrey S. Kargel , Theus H. Aspiras

Sea ice is a key component of the Earth's climate system, making its aging process an essential focus of current research. The age of sea ice is closely linked to its thermal and mechanical properties, which govern its interactions with the…

Fluid Dynamics · Physics 2025-09-09 Yihong Du , Feng Wang , Enrico Calzavarini , Chao Sun

The issue of ice accumulation at low-temperature circumstances causes multiple problems and serious damages in many civil infrastructures which substantially influence human daily life. However, despite the significant consideration in…

Chemical Physics · Physics 2020-11-24 Amir Afshar , Dong Meng

We study the seasonal changes in the thickness distribution of Arctic sea ice, $g(h)$, under climate forcing. Our analytical and numerical approach is based on a Fokker-Planck equation for $g(h)$ (Toppaladoddi \& Wettlaufer \emph{Phys. Rev.…

Atmospheric and Oceanic Physics · Physics 2016-12-26 Srikanth Toppaladoddi , John S. Wettlaufer

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

We present a new approach to modeling the future development of extreme temperatures globally and on a long time-scale by using non-stationary generalized extreme value distributions in combination with logistic functions. This approach is…

Atmospheric and Oceanic Physics · Physics 2022-07-28 Justus Contzen , Thorsten Dickhaus , Gerrit Lohmann